[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "1"]
[Board "1"]
[White "Kaga, Kazuyuki"]
[Black "Dryglas, Maciej"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B72"]
[WhiteElo "1465"]
[BlackElo "2142"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "60"]
[GameId "2293415352826993"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 17,60,52,11,23,15,16,16,8,10,-94,56,-1,62,-104,-91,-316,-310,-289,-300,-295,-280,-472,-438,-614,-607,-737,-739,-761,-730,-900,-654,-1099,-1025,-1083,-1007,-1299,-1157,-1257,-1133,-1565,-1522,-1423,-1410,-2007,-1767] B72: Sicilian Dragon: 6 Be3, lines with h3+Bc4 and sidelines} 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Be3 c5 5. Nc3 cxd4 6. Nxd4 Nf6 7. Be2 Nc6 8. Qd2 Ng4 9. Bxg4 Bxg4 10. h3 $146 (10. Nd5 O-O 11. c4 Rc8 12. Rc1 Bd7 13. O-O Ne5 14. b3 Ng4 15. Bg5 f6 16. Bf4 e6 17. h3 exd5 18. hxg4 dxc4 19. bxc4 Bxg4 20. f3 Bd7 21. Bxd6 Re8 22. c5 f5 23. exf5 Qf6 24. Rfd1 Ba4 {1-0 Rogic,D (2566)-Tuncer,U (2329) AUT-chT 1314 Austria 2013 (8.3)}) (10. Nxc6 bxc6 11. Bh6 Bf6 12. Bg5 Bg7 13. Bh6 Bf6 14. Bg5 Bg7 (14... Bxg5 15. Qxg5 Be6 16. O-O f6 17. Qd2 Qa5 18. Qd3 O-O 19. b3 Bf7 20. f4 Rad8 21. Na4 d5 22. Rae1 dxe4 23. Qxe4 Rd2 24. Re2 Rfd8 25. Rff2 Rd1+ 26. Rf1 Rxf1+ 27. Kxf1 Rd1+ 28. Kf2 Qh5 29. Kg3 {0-1 Kuklin,V (2382)-Schitco,I (2472) BL2-Sued 2122 Germany 2022 (10.1)}) 15. Bh6 {1/2 Riehle,M (2356)-Yankelevich,L (2459) Basel Swiss YM 2023 (5)}) 10... Bd7 11. f4 Qa5 12. O-O {The position is equal.} Rc8 13. f5 {[%eval -94,23] [#]} (13. Rf2 $11 {[%eval 10,22] keeps the balance.}) 13... Ne5 {[%eval 56,21]} (13... gxf5 $1 $17 {[%eval -94,23]} 14. Nxf5 (14. exf5 Bxd4 15. Bxd4 Rg8 $17) 14... Bxc3 15. bxc3 Rg8) 14. Nb3 {[%eval -1,22]} (14. Qf2 $14 {[%eval 56,21]}) 14... Qc7 {[%eval 62,22]} ({Black should play} 14... Qa6 $11 {[%eval -1,22]}) 15. Bh6 $2 {[%eval -104,23]} (15. f6 $1 $14 {[%eval 62,22]} exf6 (15... Bxf6 16. Rxf6 exf6 17. Nd5 $11) 16. Bh6 Bxh6 17. Qxh6 Qb6+ 18. Kh1) 15... Nc4 $17 16. Nd5 $2 {[%eval -316,25] White does not recover from this.} Nxd2 $19 {[%csl Oc2][%mdl 64] Discovered Attack} 17. Nxc7+ Rxc7 18. Bxg7 Nxf1 19. Rxf1 $2 {[%eval -472,25] [#]} (19. Bxh8 {[%eval -280,25]} Ng3 20. fxg6 hxg6 (20... fxg6 21. Kh2 $17) 21. Kh2 Nxe4 22. c3) 19... Rg8 {Black is clearly winning.} 20. f6 {[%eval -614,23]} (20. Bc3 $142 {[%eval -438,23]} gxf5 21. exf5) 20... Rxc2 21. Rf2 Rxf2 22. Kxf2 {[%mdl 4096] Endgame KRB-KBN} Be6 23. Ke3 Kd7 24. Kd4 Bxb3 25. axb3 {KR-KB} Ke6 26. fxe7 Kxe7 ({Weaker is} 26... Rxg7 27. e8=Q+ (27. e8=R+ Kd7 $15) 27... Kf6 28. e5+ Kg5 29. Qe7+ (29. exd6 f5 $18) 29... f6 30. Qxf6+ (30. Qxg7 dxe5+ 31. Kd5 Kf4 $18) 30... Kh5 31. g4+ Kh6 32. Qh4#) 27. Bh6 g5 {Threatens to win with ...Rg6.} 28. g4 Rg6 29. Bxg5+ Rxg5 30. Ke3 Rb5 {Weighted Error Value: White=1.55/Black=0.34  Loses game:     	White=1     	---        Mistake:       	White=5     	Black=2      OK:         	White=2     	Black=4      Best:        	White=1     	Black=1} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "1"]
[Board "2"]
[White "Kim, Changhyung"]
[Black "Denta, Seiichi"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "D02"]
[WhiteElo "1838"]
[BlackElo "1325"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "51"]
[GameId "2293415352855666"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,51,70,100,80,180,175,175,160,170,172,252,205,314,308,379,371,388,311,384,355,489,310,329,333,626,533,804,790,965,704,1034,992,1407,2423,29989,1219,1604,1445,2485,1705,29988,29986,29997,29998] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Ne4 (4... h6 5. Bd3 b6 6. Ne5 Bb7 7. Nd2 Bd6 8. Qf3 Nbd7 9. Qh3 Qe7 10. a4 a6 11. c3 Bxe5 12. dxe5 Nc5 13. Bc2 Nfe4 14. Nxe4 dxe4 15. Rd1 Bc6 16. Rd4 Rd8 17. O-O Rxd4 18. exd4 Nxa4 19. b3 {1-0 Troff,K (2490)-Dmitrenko,V (2395) Titled Tuesday intern op 15th Oct Late Chess.com INT blitz 2024 (11)}) 5. Nbd2 Bd6 6. Bd3 O-O $146 {[%eval 180,23]} (6... Bxf4 $16 {[%eval 80,21]} 7. exf4 Nd6) (6... f5 7. Ne5 O-O 8. h4 c5 9. Ndf3 Nc6 10. c3 Qc7 11. h5 Rb8 12. g3 b5 13. Nxc6 Qxc6 14. h6 g6 15. dxc5 Nxc5 16. Bc2 Rb7 17. Qd4 Re7 18. Ne5 Bxe5 19. Bxe5 Nd7 20. Qxa7 d4 21. O-O-O {1-0 Nadanian,A (2426)-Hayrapetyan,H (2390) Jermuk Asrian Memorial 4th 2011 (3)}) 7. Nxe4 $18 dxe4 8. Bxe4 {White is clearly better.} Bxf4 9. exf4 h6 {[%eval 252,22]} (9... Qd6 {[%eval 172,22] was necessary.} 10. Qd2 Nd7) 10. Qe2 Re8 {[%eval 314,21]} (10... Qd6 $142 {[%eval 205,21]} 11. g3 Nd7) 11. O-O-O f5 12. Bd3 Bd7 13. c3 Nc6 14. Rdg1 a6 15. h3 {[%cal Bh2h3,Bh3h4][%mdl 32]} b5 {[%cal Bb7b5,Bb5b4,Bb4c3,Bc3b2][%mdl 32]} 16. g4 g6 $2 {[%eval 626,18] [#]} (16... b4 {[%eval 333,21]} 17. Rg3 (17. Bxa6 bxc3 18. g5 cxb2+ 19. Kb1 h5 $17) 17... bxc3 18. bxc3 Kh8) 17. Rg3 Kf7 18. Rhg1 Rg8 19. h4 b4 20. gxf5 {[%cal Rg3g6]} exf5 21. Bc4+ Kf8 22. Bxg8 {[%eval 1219,21]} (22. Rxg6 $142 {[%eval 32746,24]} Rxg6 23. Rxg6 Ne7 24. Rf6+ (24. Rxh6 Kg7 $18) 24... Ke8 25. Rxh6 (25. Bxa6 Rxa6 26. Qxa6 Bc8 $18) 25... Kf8 26. Rh8+ {[%mdl 64] Skewer} (26. Rxa6 Rxa6 27. Bxa6 bxc3 $18) 26... Kg7 27. Qe5+ Kg6 28. h5#) 22... bxc3 23. Rxg6 {[#] Threatening mate with Bb3.} cxb2+ 24. Kb1 Nxd4 25. Nxd4 c5 26. Bd5 {Black did not feel at home in the position after the opening.   Weighted Error Value: White=1.23/Black=2.15  Mistake:       	---       	Black=4      Inaccurate:     	White=1     	Black=2      OK:         	White=3     	Black=2} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "1"]
[Board "3"]
[White "Yajima, Machiko"]
[Black "Honda, Yoshiki"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A08"]
[WhiteElo "1323"]
[BlackElo "1824"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "46"]
[GameId "2293415352855667"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,46,-27,20,-37,-4,-17,-10,-11,-14,-218,-231,-259,-267,-238,-252,-345,-341,-334,-295,-389,-385,-565,-567,-566,-563,-566,-560,-847,-801,-835,-546,-1423,-941,-29981,-29982,-29983,-3920,-29995,-3713] A08: King's Indian Attack} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O Nc6 5. d3 Bf5 {[%eval 20,21]} (5... e5 $142 {[%eval -27,21]}) 6. Be3 {[%eval -37,22]} (6. Bf4 $11 {[%eval 20,21]}) 6... e5 7. Bg5 Be7 8. Nc3 {The position is equal.} d4 9. Na4 {[%eval -218,21] [#]} (9. e4 $11 {[%eval -14,21] and White is okay.}) 9... b5 $1 $19 10. Bxf6 gxf6 11. Nh4 Bd7 12. c3 bxa4 13. Qxa4 Qb6 14. Qc2 f5 15. f4 {[%eval -565,21]} (15. Nf3 {[%eval -385,19] is a better defense.} Rb8 16. Rab1) 15... Bxh4 16. gxh4 Rg8 17. Kh1 O-O-O {[%cal Og8g2] And now ...Rxg2! would win.} 18. Qd2 Ne7 19. fxe5 Bc6 20. Rg1 Qb7 {[%cal Rc6g2]} 21. e3 dxe3 22. Qe2 {[#]} Rxd3 $3 {[%mdl 576] Deflection} 23. Qf3 (23. h3 Bxg2+) 23... Bxf3 {Black took control after the opening.   Weighted Error Value: White=1.47/Black=0.54  Loses game:     	White=1     	---        Mistake:       	White=1     	---        Inaccurate:     	White=4     	Black=1      OK:         	White=3     	Black=8      Best:        	White=1     	---        Strong:       	---       	Black=1} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "1"]
[Board "4"]
[White "Furuse, Mizuki"]
[Black "Ito, Katsuhide"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A13"]
[WhiteElo "1761"]
[BlackElo "1274"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "69"]
[GameId "2293415352855668"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 10,68,53,53,73,72,120,90,81,16,18,-197,35,45,68,20,35,0,8,8,28,-3,225,219,327,337,378,381,369,380,400,336,351,351,342,324,465,452,437,431,442,445,436,409,487,477,420,339,317,324,415,355,627,645,651,637,622,613,974,928,29999] A13: English Opening: 1...e6} 1. c4 b6 2. Nf3 Nf6 3. g3 Bb7 4. Bg2 e6 5. O-O d5 6. cxd5 Bxd5 (6... Nxd5 7. Nc3 Be7 8. Nxd5 Bxd5 9. Re1 c5 10. e4 Bb7 11. d4 cxd4 12. Nxd4 O-O 13. Be3 Nd7 14. Qe2 Nc5 15. Red1 Qe8 16. e5 {1/2 Portisch,L (2610)-Karpov,A (2750) Reggio Emilia-A 8990 32nd 1989 (6)}) (6... exd5 7. Nc3 Nbd7 8. d4 c6 9. Nh4 Be7 10. Nf5 O-O 11. Bf4 Re8 12. Rc1 Bf8 13. Re1 Nh5 14. Bd6 g6 15. Bxf8 Nxf8 16. Nh6+ Kg7 17. Ng4 Ne6 18. e3 Nf6 19. Ne5 c5 20. Qa4 a6 21. dxc5 {1-0 Ghosh,D (2568)-Rajesh,V (2331) Bhubaneswar SOA op 1st 2024 (5)}) 7. Nc3 Bc6 $146 {[%eval 120,21]} (7... Bb7 $142 {[%eval 72,21]} 8. d3 (8. d4 Nbd7 9. Bf4 Be7 10. Rc1 a6 11. e4 O-O 12. Qe2 h6 13. Rfd1 Rc8 14. Ne5 Re8 15. Nd3 Nf8 16. Be3 a5 17. d5 exd5 18. Nxd5 Nxd5 19. exd5 Ba6 20. Qg4 Bxd3 21. Rxd3 Bd6 22. Bxh6 Qf6 {1-0 Socko,B (2619)-Jedynak,R (2341) Opole Termika Blitz op 2021 (9)}) 8... Be7 9. a3 O-O 10. b4 a5 11. Rb1 axb4 12. axb4 Nbd7 13. Qc2 Nd5 14. Nxd5 Bxd5 15. Bf4 c5 16. bxc5 Nxc5 17. Ra1 {1/2 Klimchuk,A (2411)-Grekh,A (2395) Lutsk Nebesna Sotnya Memorial blitz 2017 (6)}) 8. d3 Be7 {White is better.} 9. Ne5 {[%eval 16,22]} (9. e4 $16 {[%eval 81,22]}) 9... Bxg2 $11 10. Qa4+ $2 {[%eval -197,24] [#]} (10. Kxg2 $11 {[%eval 18,23] and White stays safe.} O-O 11. d4) 10... Nfd7 $2 {[%eval 35,20]} ({Black should play} 10... b5 $1 $19 {[%eval -197,24][%cal Rb5a4]} 11. Qxb5+ c6) 11. Kxg2 $14 O-O 12. Nxd7 {[%eval 20,24]} (12. Qe4 $14 {[%eval 68,25]} Na6 13. Nc6) 12... Nxd7 13. Ne4 h6 14. Be3 f5 15. Nd2 {[#]} c6 $2 {[%eval 225,22] Black is now going downhill.} 16. Qxc6 $18 Nc5 {[%eval 327,23]} (16... Kf7 $142 {[%eval 219,21]} 17. Rfc1 Nf6) 17. Bxc5 Bxc5 {Black is weak on the light squares} 18. Qxe6+ Kh8 19. Nf3 Rf6 20. Qe5 Qd7 21. Qc3 Re8 22. e3 Rg6 {[%eval 465,23]} (22... f4 $142 {[%eval 324,20]} 23. d4 (23. gxf4 $2 {is a self mate.} Qg4+ {[%mdl 64] Deflection} 24. Kh1 Qxf3+ 25. Kg1 Rg6#) (23. exf4 Rxf4 24. d4 Bb4 $18) 23... fxg3 24. fxg3 (24. dxc5 gxf2 25. Qd4 Qf5 $16) 24... Bf8) 23. d4 Bd6 24. Rfe1 Qb7 25. Qd3 Rf6 26. d5 Be5 27. Rab1 Rd8 28. e4 ({Less strong is} 28. Nxe5 Rxd5 29. Qe2 Rxe5+ 30. Qf3 Qxf3+ 31. Kxf3 Rc6 $16) 28... fxe4 29. Qxe4 Bb8 30. Rbd1 Rfd6 $2 {[%eval 627,25]} (30... Rdf8 {[%eval 355,25]}) 31. Ne5 {[%cal Bf3e5,Be5g6,Bg6e7,Be7c6][%mdl 32]} Rf6 32. Ng6+ Kg8 33. Ne7+ Kf7 34. Nc6 Rdd6 35. Qe8# {Weighted Error Value: White=0.29 (precise) /Black=0.88  Loses game:     	White=1     	Black=1      Missed win:     	---       	Black=1      Mistake:       	White=2     	Black=4      Inaccurate:     	White=2     	---        OK:         	White=8     	Black=6      Best:        	White=1     	Black=1} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "1"]
[Board "5"]
[White "Hisaeda, Heron Masaru"]
[Black "Yoshii, Yukihiko"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "D02"]
[BlackElo "1760"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "66"]
[GameId "2293415352855669"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 11,65,-1,-1,-14,-12,-14,21,16,109,-142,-173,-178,-170,-167,-87,-78,-78,-158,-20,-76,-54,-212,-237,-231,-236,-197,-198,-236,-96,-245,-135,-191,-173,-238,-208,-243,-1,-1,-21,-135,-130,-274,-135,-843,-815,-843,-815,-887,-891,-888,-866,-1050,-1018,-29998,-29999,-29999] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 1. Nf3 d5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. Nc3 (6. a4 a5 7. Nc3 c6 8. Bf4 (8. b3 Bf5 9. Ba3 Re8 10. Nh4 Qd7 11. Nxf5 Qxf5 12. Qd3 Qxd3 13. cxd3 Nfd7 14. e3 Na6 15. Na2 e5 16. dxe5 Nxe5 17. d4 Nd3 18. Rfd1 Ndb4 19. Rd2 Nxa2 20. Raxa2 Bf8 21. Bb2 Bb4 22. Re2 f5 {1-0 Szpar,M (2462)-Pham,L (2388) Titled Tuesday intern op 04th Feb Late Chess.com INT blitz 2025 (11)}) 8... Bf5 9. Nd2 Nh5 10. Be5 Bxe5 11. dxe5 Nd7 12. e4 Bxe4 13. Ndxe4 dxe4 14. e6 fxe6 15. Nxe4 Ng7 16. Ra3 Qc7 17. Qe2 Rad8 18. h4 Qe5 19. c3 Nf6 20. Nxf6+ exf6 {1-0 Gukesh,D (2776)-Kushko,D (2454) Titled Tuesday intern op 22nd Jul Early Chess.com INT blitz 2025 (7)}) 6... c6 7. Be3 $146 (7. b3 Bf5 8. Bb2 Ne4 9. Nh4 (9. Nxe4 Bxe4 10. e3 c5 11. Bh3 Bxf3 12. Qxf3 cxd4 13. exd4 Nc6 14. c3 e6 15. Qd3 Qa5 16. a4 Rfd8 17. Qb5 Rab8 18. Rfd1 a6 19. Qe2 Qb6 20. b4 a5 21. Qb5 Qa7 22. Qc5 Bf8 23. Qxa7 Nxa7 {0-1 Bellon Lopez,J (2430)-Day,L (2385) Olympiad-24 Valetta 1980 (6)}) 9... Nxc3 10. Bxc3 Be6 11. Qd2 Nd7 12. Rad1 Nf6 13. f3 Rc8 14. e4 dxe4 15. fxe4 Bg4 16. Rde1 e5 17. h3 Be6 18. Nf3 exd4 19. Nxd4 Qd7 20. Nxe6 Qxe6 21. Re3 Nd7 {0-1 Kholmov,R (2550)-Vasiukov,E (2570) URS-chT Cup 07th final A Rostov on Don 1971 (2)}) (7. Ne5 Nfd7 8. f4 f5 9. Be3 Nf6 10. b4 Nbd7 11. Rb1 e6 12. Qc1 a5 13. b5 Nxe5 14. dxe5 Nd7 15. Na4 Rf7 16. c4 Bf8 17. Rb3 Bb4 18. a3 cxb5 19. cxb5 {1/2 Ranola,Y (2455)-Salvador,R (2397) Milan Crespi op 26th 2005 (7)}) 7... Re8 8. Qd2 Ng4 9. Bf4 {The position is equal.} e5 {[%eval 109,22]} (9... Nf6 $11 {[%eval 16,21]}) 10. Bg5 $2 {[%eval -142,23][%mdl 8192]} (10. Nxe5 $16 {[%eval 109,22] and life is bright. Threatens to win with e4.} Nf6 11. a4) 10... f6 $17 11. Be3 Nxe3 12. Qxe3 exd4 {[%eval -87,23]} (12... e4 $19 {[%eval -167,23]} 13. Nd2 a5) 13. Qxd4 f5 14. Qh4 {[%eval -158,23]} (14. Qd2 $142 {[%eval -78,22]}) 14... Qc7 {[%eval -20,24]} (14... Qxh4 $17 {[%eval -158,23]} 15. Nxh4 d4) 15. Rad1 {[%eval -76,20]} (15. Nxd5 $1 $11 {[%eval -20,24] remains equal.} cxd5 16. Ng5) 15... Nd7 16. Qf4 $2 {[%eval -212,25]} ({Better is} 16. Ng5 $15 {[%eval -54,29]} Nf6 17. Nxd5 cxd5 18. Bxd5+ Kh8 19. Nf7+ Kg8 20. Ng5+) 16... Qxf4 $19 17. gxf4 Bxc3 18. bxc3 Rxe2 19. Nd4 Re8 {[%eval -96,22]} (19... Re7 $19 {[%eval -236,25]} 20. Rfe1 Rxe1+ 21. Rxe1 Nf6) 20. Rde1 {[%eval -245,23]} (20. c4 $17 {[%eval -96,22]}) 20... Nf6 {[%eval -135,25]} (20... Rxe1 $19 {[%eval -245,23]} 21. Rxe1 Nf6) 21. Rxe8+ $17 Nxe8 22. Re1 {[%eval -238,23]} (22. c4 {[%eval -173,24] is a better defense.}) 22... Kf7 23. Nf3 h6 {[%eval -1,27] Inhibits Ng5+.} ({Black should play} 23... Kf8 $19 {[%eval -243,22] ...Ng7 is the strong threat.} 24. Bf1 Nf6) 24. Ne5+ $1 $11 Kf6 {[#]} 25. c4 {[%eval -135,25]} (25. Ng4+ $11 {[%eval -21,25]} fxg4 26. Rxe8) 25... Nc7 $17 26. Rd1 {[%eval -274,24]} (26. cxd5 $17 {[%eval -130,22] only move.} cxd5 27. h4) 26... Be6 {[%eval -135,24]} (26... g5 $19 {[%eval -274,24]} 27. cxd5 Nxd5) 27. Nd7+ $2 {[%eval -843,21][%mdl 8192]} (27. Rb1 $17 {[%eval -135,24]} b6 (27... dxc4 28. Rxb7 Nd5 29. Bxd5 $11) 28. Rd1) 27... Bxd7 $19 28. cxd5 Nxd5 29. Bxd5 cxd5 30. Rxd5 {KRB-KR} Bc6 31. Re5 Rd8 {[#] ( -> ...Rd1+)} 32. c4 Rd1+ 33. Re1 Rxe1# {Weighted Error Value: White=1.21/Black=0.60  Loses game:     	White=1     	---        Missed win:     	---       	Black=1      Mistake:       	White=8     	Black=6      Inaccurate:     	---       	Black=1      OK:         	White=2     	Black=5      Best:        	White=1     	Black=4      Strong:       	White=1     	---} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "1"]
[Board "6"]
[White "Miyatani, Ryouhei"]
[Black "Hisaeda, Masaru"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B00"]
[WhiteElo "1697"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "41"]
[GameId "2293415352855670"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,40,104,191,173,226,217,253,245,587,545,600,525,693,683,683,601,588,604,877,874,888,866,969,938,987,927,1053,1050,1705,2224,29998,29999,29999] B00: Queen's Fianchetto Defence, Nimzowitsch Defence} 1. e4 Nc6 (1... Nf6 2. Ke2 Ng8 3. Ke1 Nc6 4. d4 Nb8 5. c4 c5 6. d5 d6 7. Nc3 g6 8. f4 Bg7 9. Nf3 Nf6 10. Bd3 O-O 11. e5 dxe5 12. fxe5 Ng4 13. Bf4 Nd7 14. Qe2 Qc7 15. d6 exd6 16. exd6 {0-1 Bortnyk,O (2608)-Msellek,I (2406) Titled Tuesday intern op 02nd Jan Late Chess.com INT blitz 2024 (11)}) 2. d4 b6 $146 (2... g6 3. d5 (3. f4 d5 4. e5 Nh6 5. c3 Bg7 6. Be2 O-O 7. Be3 f6 8. Nf3 Bg4 9. h3 Bxf3 10. Bxf3 Nf5 11. Bf2 fxe5 12. fxe5 e6 13. O-O Bh6 14. Qe1 Qg5 15. Bg4 Rae8 16. Na3 Ne3 17. Bxe3 Qxe3+ {0-1 Valle Luis,L (2354)-Costachi,M (2476) Titled Tuesday intern op 09th May Early Chess.com INT blitz 2023 (2)}) 3... Nb8 4. Qd4 (4. h4 d6 5. h5 Bg7 6. Nc3 c6 7. Be2 Nd7 8. h6 Bxc3+ 9. bxc3 Ngf6 10. Bf3 Qa5 11. Bd2 Ne5 12. dxc6 bxc6 13. Be2 Nxe4 14. Nf3 Nxc3 15. Qc1 Nxf3+ 16. Bxf3 Ba6 17. Bxc6+ Kd8 18. Bxa8 Kc7 {1/2 Dauner,B (2321)-Boros,D (2430) Titled Tuesday intern op 22nd Feb Early Chess.com INT blitz 2022 (1)}) 4... f6 5. Bc4 e5 6. dxe6 dxe6 7. Qxd8+ Kxd8 8. Nc3 a6 9. a4 Nc6 10. Be3 Bd6 11. f4 Nh6 12. h3 Nf7 13. Nf3 Ke7 14. O-O Bd7 15. Rad1 Rhf8 16. Rfe1 Rae8 17. Bf1 {1-0 Darini,P (2432)-Pour Agha Bala,A (2432) IRI-ch Online Chess.com INT rapid 2021 (8)}) 3. c4 Bb7 4. Nc3 e6 5. Nf3 Qe7 {[%eval 191,20]} (5... Bb4 $16 {[%eval 104,20] was called for.}) 6. Bd3 Nf6 {[%eval 226,20]} (6... g6 $142 {[%eval 173,20]} 7. d5 Nb4) 7. e5 Ng4 8. h3 {[%cal Bh2h3,Bh3g4][%mdl 32] White has a decisive advantage.} g6 $2 {[%eval 587,19] [#]} (8... Nxf2 {[%eval 245,20] is tougher.} 9. Kxf2 Nxd4) 9. hxg4 $18 Bg7 10. Ne4 a5 11. Bg5 Qb4+ 12. Qd2 Qxd2+ 13. Kxd2 Nb4 14. Nf6+ Bxf6 15. Bxf6 Rg8 16. Rxh7 Nxd3 17. Kxd3 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 18. Rah1 {[#] Threatens to win with Rh8.} a3 19. Rh8 {[%cal Rh8g8]} Kf8 20. Rxg8+ Kxg8 21. Rh8# {White took control after the opening.   Weighted Error Value: White=0.20 (precise) /Black=1.10  Mistake:       	---       	Black=2      Inaccurate:     	---       	Black=1      OK:         	White=3     	Black=2} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "1"]
[Board "7"]
[White "Hong, Joon Young"]
[Black "Nakamura, Mitsuru"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "D00"]
[BlackElo "1563"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "57"]
[GameId "2293415352855671"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,57,-7,34,-16,31,-17,-22,-19,-7,-47,-10,-29,-24,-41,-37,-48,-50,-155,-20,-40,-26,-16,65,65,54,59,58,76,120,100,194,191,607,637,629,629,816,800,800,768,888,687,868,849,871,859,893,822,1918,2106] D00: 1 d4 d5: Unusual lines} 1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 c5 5. Nf3 Bg4 {[%eval 34,22]} (5... Nbd7 $11 {[%eval -7,21]}) 6. Be2 {[%eval -16,22]} (6. dxc5 $14 {[%eval 34,22]} Nc6 7. Be2) 6... Nc6 {[%eval 31,23]} (6... e6 $11 {[%eval -16,22]}) 7. O-O {[%eval -17,22]} (7. dxc5 $14 {[%eval 31,23]} e6 8. Na4) 7... e6 $11 8. h3 $146 {The position is equal.} (8. dxc5 Bxc5 9. Ne5 Bxe2 10. Qxe2 O-O 11. Rad1 Qa5 12. a3 Be7 13. h3 Rac8 14. Nb1 Ne4 15. Nd2 Nxe5 16. Bxe5 Rxc2 17. Qg4 Nf6 18. Qg3 g6 19. Nb3 Qa4 20. Nd4 Ne4 21. Qg4 h5 22. Qf4 Bg5 {0-1 Haug,H (2341)-Ritviz,P (2346) Titled Tuesday intern op 19th Mar Early Chess.com INT blitz 2024 (2)}) (8. Ne5 Bxe2 9. Qxe2 Rc8 10. Rad1 cxd4 11. exd4 Be7 12. Rfe1 O-O 13. Nb1 Qa5 14. a3 Qb6 15. c3 Nxe5 16. Bxe5 Ne4 17. Bf4 Qb3 18. Bc1 b5 19. Nd2 Nxd2 20. Rxd2 a5 21. Rd3 Qc4 22. Red1 b4 {1-0 Henriquez Villagra,C (2591)-Andreikin,D (2729) Chessable Masters Play In Chess.com INT rapid 2024 (1)}) 8... Bh5 9. b3 {[%eval -47,21]} (9. Ne5 $11 {[%eval -7,23] deserves consideration.} Bxe2 10. Nxe2) 9... Bd6 {[%eval -10,22]} (9... Rc8 $15 {[%eval -47,21]}) 10. Bxd6 Qxd6 11. Na4 cxd4 12. exd4 O-O 13. Nc5 {[%eval -155,23]} (13. c3 $15 {[%eval -50,22]}) 13... Qc7 {[%eval -20,21]} (13... b6 $17 {[%eval -155,23]} 14. Na4 b5) 14. Re1 Rad8 15. c3 Ne4 {[%eval 65,25]} (15... Bxf3 $11 {[%eval -16,22]} 16. Bxf3 e5) 16. Nxe4 $1 $14 dxe4 17. Ng5 {[%csl LRe4,LRh5][%mdl 64] [#] Discovered Attack} Bg6 {Threatens to win with ...h6.} 18. Bh5 {and Bxg6 should not be overlooked} Qf4 {[%eval 120,26]} (18... Rd5 $142 {[%eval 76,23]} 19. Bxg6 hxg6 20. Nxe4 Rfd8 (20... e5 21. Qf3 $14)) 19. Bxg6 $16 Qxg5 {[%eval 194,24]} (19... hxg6 $16 {[%eval 100,24]} 20. Nxe4 (20. Rxe4 $2 {is the wrong capture.} Qxg5 21. Qf3 Qa5 $19) 20... Qc7) 20. Bxe4 $18 f5 $2 {[%eval 607,23] [#]} (20... Rd6 {[%eval 191,22]} 21. Qf3 Rc8) 21. Bxc6 {White is clearly winning.} bxc6 22. Rxe6 Rf6 23. Qe2 f4 {[%cal Bf5f4,Bf4f3][%mdl 32]} 24. Re8+ Rxe8 25. Qxe8+ Rf8 26. Qxc6 f3 27. g3 (27. Qxa6 $2 Qxg2#) 27... h5 28. Qe4 Rf4 29. Qxf4 {Weighted Error Value: White=0.21 (precise) /Black=0.88  Mistake:       	White=3     	Black=7      OK:         	White=5     	Black=4      Best:        	White=2     	---        Strong:       	White=1     	---} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "1"]
[Board "8"]
[White "Shishido, Kenta"]
[Black "Suzuki, Tsukumo"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B92"]
[WhiteElo "1523"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "140"]
[GameId "2293415352855672"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 16,140,26,13,17,-8,-19,-25,-5,-21,12,-38,-2,-41,-53,-99,-91,-96,-90,-81,-86,-84,-98,-345,-366,-522,-518,-518,-494,-557,-546,-562,-540,-545,-555,-602,-573,-565,-367,-359,-373,-562,-374,-517,-465,-406,-429,-292,-400,-412,-352,-366,-68,-321,-256,-450,-371,-489,-520,-502,-142,-122,-47,-47,-47,-52,-54,-81,-76,-76,-68,-75,-79,-86,-81,-94,-79,-116,-62,-616,-599,-624,-633,-607,-575,-598,-588,-872,-874,-872,-804,-931,-836,-929,-877,-956,-697,-975,-940,-999,-689,-684,-680,-647,-648,-649,-646,-29976,-1183,-29978,-1634,-29979,-29980,-29993,-29994,-29994,-29995,-29995,-1608,-29996,-1488,-29989,-29990,-29989,-29990,-29990,-29991] B92: Sicilian Najdorf: 6 Be2} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. O-O h6 9. Re1 Be6 (9... O-O 10. Bf1 Be6 11. g3 Qc8 12. Bg2 Bg4 13. Qd3 Nbd7 14. a4 Re8 15. a5 Bf8 16. Nd2 Be6 17. Nd5 Nxd5 18. exd5 Bg4 19. Bf1 Nc5 20. Qc3 Bf5 21. b4 Nd7 22. Bb2 Qd8 23. Rac1 Rc8 24. Qf3 {0-1 Dvoirys,S (2552)-Agrest,E (2591) EU-ch 4th Istanbul 2003 (12)}) 10. b3 $146 (10. Bf1 Nbd7 11. Nd5 Nxd5 12. exd5 Bf5 13. Bd3 Bxd3 14. Qxd3 O-O 15. c4 f5 16. Qe2 Rc8 17. Nd4 Nc5 18. b4 exd4 19. bxc5 Re8 20. Qe6+ Kh8 21. Qxf5 Rxc5 22. Bxh6 Bf6 23. Qh5 Rf8 24. Re4 Kg8 {1-0 Postny,E (2544)-Movahed,S (2340) Titled Tuesday intern op 21st Mar Early Chess.com INT blitz 2023 (6)}) (10. h3 O-O 11. Bf1 Nbd7 12. Nd5 Nc5 13. Nxf6+ Bxf6 14. c4 b5 15. cxb5 axb5 16. Bxb5 Nb3 17. Rb1 Nxc1 18. Qxc1 Bxa2 19. Ra1 Qb6 20. Bc4 Bxc4 21. Qxc4 Rxa1 22. Rxa1 Qxb2 23. Ra6 Rd8 24. Qd5 Qc1+ {1/2 Pasiev,R (2384)-Gundavaa,B (2516) Wch Rapid Khanty-Mansiysk 2013 (5)}) 10... Nbd7 11. Bb2 Rc8 {Black has an edge.} 12. Bf1 b5 13. a3 {[%eval -38,23]} (13. Nd5 $11 {[%eval 12,23]}) 13... Qc7 {[%eval -2,23]} (13... O-O $15 {[%eval -38,23] deserves consideration.}) 14. b4 {[%eval -41,21]} (14. Nd5 $11 {[%eval -2,23]} Bxd5 15. exd5) 14... Nb6 $15 15. Rc1 {[%eval -99,23]} (15. a4 $15 {[%eval -53,22]}) 15... Nc4 {Black is more active.} 16. Bxc4 Bxc4 17. Nd2 O-O 18. Nxc4 Qxc4 19. Nd5 $2 {[%eval -345,24]} (19. Qd3 $17 {[%eval -98,22]}) 19... Nxd5 $19 20. Qxd5 {[%eval -522,27]} (20. exd5 $142 {[%eval -366,28]} Bg5 21. Ra1) 20... Qxd5 21. exd5 Bg5 {[%mdl 64] [#] Deflection} 22. Rb1 Rxc2 23. Bc1 Rfc8 24. Bxg5 hxg5 {[%mdl 4096] Endgame KRR-KRR. Black is a pawn up.} 25. Ra1 Rd2 {[%cal Oc8c2]} 26. Rec1 Rcc2 27. Rxc2 Rxc2 {KR-KR. Black is a pawn up.} 28. g3 {[%eval -562,25]} (28. a4 $142 {[%eval -373,25]} Rd2 (28... bxa4 $2 29. h3 $19) 29. axb5 axb5 30. Ra8+ Kh7 31. f3) 28... Rc3 29. Kg2 Rd3 30. Rc1 Rxd5 (30... Rxa3 31. Rc8+ Kh7 32. Rc6 $17) 31. Rc8+ Kh7 32. Ra8 Rd3 33. Rxa6 e4 $2 {[%eval -68,23]} (33... Kg6 $19 {[%eval -366,25] Threatens to win with ...g4.} 34. h3 Kf6) 34. Kf1 $2 {[%eval -321,25][%mdl 8192]} ({Only move:} 34. g4 $1 $15 {[%eval -68,23]}) 34... Kg6 35. Ke2 $2 {[%eval -450,25]} (35. g4 {[%eval -256,25] was worth a try.}) 35... Kf5 36. a4 bxa4 37. Rxa4 Ke6 $2 {[%eval -142,23]} (37... g6 $19 {[%eval -502,25] has better winning chances.} 38. Ra2 Rb3 39. Ra5+ Ke6) 38. b5 $17 Rb3 {[%eval -47,22]} (38... f5 $17 {[%eval -122,27]} 39. Rb4 Kd7) 39. Rxe4+ $15 Kd7 40. h4 Rxb5 41. hxg5 Rxg5 {[#]} 42. Ra4 g6 43. Ra3 Re5+ 44. Kd2 g5 45. Ra7+ Ke6 46. Ra8 {[%eval -116,25]} ({White should play} 46. f3 {[%eval -79,26]}) 46... f5 {[%eval -62,24]} (46... Rf5 $17 {[%eval -116,25]} 47. Ke3 Re5+ 48. Kf3 Kf5) 47. f4 {[%eval -616,32][%mdl 8192]} (47. f3 $15 {[%eval -62,24]}) 47... gxf4 $19 48. gxf4 Re4 49. Re8+ Kd5 50. Rf8 Rxf4 51. Re8 Re4 52. Rf8 f4 53. Kd3 Re3+ 54. Kd2 Ke4 55. Rf6 d5 56. Rb6 Rd3+ 57. Ke2 f3+ 58. Kf2 Rd2+ 59. Kf1 d4 60. Re6+ Kf5 61. Ra6 Rb2 62. Ra3 Ke4 {( -> ...d3)} 63. Ke1 d3 64. Ra1 f2+ 65. Kf1 Kf3 66. Rd1 d2 {( -> ...Rc2)} 67. Ra1 Rc2 {[%eval -1488,5]} (67... Rb3 $142 {[%eval -32759,10]} 68. Rd1 Re3 69. Rb1 Re1+ {[%mdl 64] Back Rank} 70. Rxe1 fxe1=Q#) 68. Ra3+ Ke4 {Black mates.} 69. Ra4+ Kd3 70. Ra3+ Rc3 {Weighted Error Value: White=0.72/Black=0.52  Loses game:     	White=3     	---        Missed win:     	---       	Black=2      Mistake:       	White=7     	Black=3      Inaccurate:     	White=4     	Black=2      OK:         	White=10    	Black=11     Best:        	White=2     	Black=2} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "2"]
[Board "1"]
[White "Dryglas, Maciej"]
[Black "Miyatani, Ryouhei"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "C28"]
[WhiteElo "2142"]
[BlackElo "1697"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "75"]
[GameId "2293415352855673"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 11,75,7,37,2,42,42,37,47,41,35,36,40,54,-13,-1,-1,-4,-22,-1,-16,1,-1,-15,-16,10,-1,33,17,24,-1,-1,-68,-60,-185,-215,-166,-83,-94,16,-1,85,58,902,890,900,896,887,882,862,679,666,696,704,692,644,648,666,622,625,571,778,595,880,855,880,832] C28: Vienna Game: 2...Nf6 3 Bc4 Nc6} 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 d6 5. Nge2 Be7 6. O-O O-O 7. f4 $146 (7. a3 Be6 8. Nd5 Qd7 9. Ng3 Nd8 10. f4 exf4 11. Rxf4 Bxd5 12. exd5 c6 13. Qf3 cxd5 14. Bxd5 Ne6 15. Rb4 Nxd5 16. Qxd5 b6 17. Be3 Nc7 18. Qf5 Rfd8 19. Rg4 Bf6 20. Bd4 Bxd4+ 21. Rxd4 d5 {1/2 Arnason,J (2515)-Barle,J (2430) EU-chT (Men) 10th Debrecen 1992 (1.2)}) (7. h3 Na5 8. a4 (8. Ng3 c6 9. Bb3 Nxb3 10. axb3 d5 11. Qf3 d4 12. Nb1 g6 13. Qe2 h5 14. Bg5 Nh7 15. Bxe7 Qxe7 16. f4 exf4 17. Rxf4 Qe5 18. Qd2 g5 19. Rf3 g4 20. hxg4 Bxg4 21. Qf4 Qxf4 22. Rxf4 Ng5 {1/2 Miljanic,B (2385)-Barle,J (2430) YUG-Cup 33rd Pula 1990 (1)}) 8... Nxc4 9. dxc4 c6 10. b3 Nh5 11. g4 Nf6 12. Ng3 Ne8 13. Nf5 Bxf5 14. gxf5 Bg5 15. Ba3 Bh6 16. Qf3 Qf6 17. Rad1 g6 18. Rd3 Kh8 19. Kh1 Rg8 20. Rg1 Rd8 21. fxg6 Qxf3+ {1/2 Lagno,K (2532)-Khotenashvili,B (2514) Tashkent FIDE GP (Women) 2013 (10)}) 7... Bg4 {[%eval 42,21]} (7... Na5 $11 {[%eval 2,22]}) 8. h3 $14 Bxe2 9. Qxe2 {White is slightly better.} Na5 10. Bb3 Nxb3 11. axb3 c6 12. g4 {[%eval -13,21]} (12. Kh1 $14 {[%eval 54,21]}) 12... exf4 $11 13. Bxf4 h6 14. Kh2 a6 15. Qd2 d5 16. e5 Nh7 17. Ne2 Bg5 18. Ng3 g6 19. Rae1 Bxf4 20. Rxf4 Qh4 21. Qg2 {[%eval -68,24]} (21. g5 $11 {[%eval -1,25]} Qxg5 22. Nf5) 21... Rae8 $15 22. Ref1 {[%eval -185,26] [#]} (22. Rff1 $15 {[%eval -60,23]}) 22... Ng5 $1 $19 (22... Rxe5 23. Nf5 Qg5 (23... gxf5 $2 24. gxf5+ Qg5 25. Rg4 $16 {[%mdl 64] Pin}) 24. h4 $11) 23. d4 {[%cal Og3f5] [#]} Ne6 {[%eval -83,23]} (23... c5 $1 $19 {[%eval -166,26][%cal Rc5d4]} 24. c3 cxd4 25. cxd4 Rc8) 24. Rf6 $17 Ng5 {[%eval 16,26]} ({Better is} 24... Nxd4 $17 {[%eval -94,27][%cal Od4e6] Hoping for ...Ne6!.} 25. Qf2 Ne6 26. Rxf7 Qg5) 25. c3 Re6 {[%eval 85,26]} (25... c5 $11 {[%eval -1,23]}) 26. R6f4 $16 {[%cal Og3f5] aiming for Nf5!.} Kg7 $2 {[%eval 902,25][%mdl 8192] [#]} (26... Re7 $14 {[%eval 58,25]}) 27. Nf5+ $1 $18 {[%mdl 512] White is clearly winning.} gxf5 28. gxf5 {[%csl Og5,Oh4][%mdl 64] Discovered Attack} Qxh3+ 29. Qxh3 Nxh3 30. Rg4+ Ng5 31. fxe6 fxe6 32. Rxf8 Kxf8 {[%mdl 4096] Endgame KR-KN} 33. Kg3 Kg7 34. Kh4 Kg6 35. Rf4 Nh7 {Prevents Rf6+.} 36. Rf1 Kg7 37. Kh5 Nf8 38. Rf6 {Weighted Error Value: White=0.32/Black=0.49  Loses game:     	---       	Black=1      Mistake:       	White=3     	Black=4      Inaccurate:     	---       	Black=3      OK:         	White=6     	Black=9      Best:        	White=2     	Black=1      Strong:       	---       	Black=1} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "2"]
[Board "2"]
[White "Yoshii, Yukihiko"]
[Black "Kim, Changhyung"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A85"]
[WhiteElo "1760"]
[BlackElo "1838"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "94"]
[GameId "2293415352855674"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,94,58,66,28,30,49,63,69,63,69,84,87,101,93,124,80,112,78,96,68,65,62,151,113,129,105,105,108,110,106,108,73,128,80,143,111,299,223,333,263,245,162,207,196,179,179,381,133,163,49,54,1,1,-62,-1,-33,-44,-43,-32,-56,-36,-167,-184,-188,-1,-788,-795,-785,-786,-836,-840,-839,-838,-949,-892,-928,-658,-1026,-1008,-990,-914,-1008,-967,-970,-948,-1363,-1267] A85: Dutch Defence: 2 c4 Nf6 3 Nc3} 1. c4 f5 2. Nc3 Nf6 3. d4 e6 4. e3 Bb4 5. Bd2 b6 6. Nge2 $146 {[%eval 28,21]} (6. Nh3 $14 {[%eval 66,21]}) (6. Bd3 Bb7 7. f3 O-O (7... Nh5 8. Qe2 O-O 9. Nh3 d6 10. O-O e5 11. a3 Bxc3 12. Bxc3 Nd7 13. Rad1 Qh4 14. Qf2 Qe7 15. Bc2 Rae8 16. d5 a5 17. Rde1 Ba6 18. Bd3 Nc5 19. Be2 Na4 20. Rc1 f4 21. Rfe1 Bc8 22. e4 {1/2 Samadov,R (2332)-Amin,B (2686) Titled Tuesday intern op 21st July Chess.com INT blitz 2020 (4)}) 8. Nge2 Na6 9. a3 Be7 10. O-O c5 11. d5 Nc7 12. e4 fxe4 13. fxe4 Bd6 14. Bf4 Bxf4 15. Nxf4 e5 16. Nfe2 d6 17. Ng3 g6 18. Qd2 Qd7 19. b4 Rf7 20. bxc5 bxc5 {1-0 Shimanov,A (2578)-Klukin,K (2401) Titled Tuesday intern op 19th Aug Early Chess.com INT blitz 2025 (9)}) (6. f3 Bb7 7. Qb3 a5 8. a3 Be7 9. Nh3 Qc8 10. Be2 O-O 11. O-O Nc6 12. Rad1 Kh8 13. Bc1 Nd8 14. d5 e5 15. f4 e4 16. Nf2 h5 17. Na4 Nf7 18. Bd2 b5 19. cxb5 Bxd5 20. Qc2 d6 {1-0 Giffard,N (2345)-Roos,L (2340) FRA-ch 57 Championnat Schiltigheim 1982 (7)}) 6... O-O $11 7. a3 Bxc3 8. Nxc3 {White is slightly better.} Bb7 9. f3 d6 10. Bd3 Nbd7 11. O-O Qe8 12. Qe2 {[%eval 80,21]} (12. b4 $142 {[%eval 124,21]}) 12... a6 13. b4 Qh5 14. e4 fxe4 15. Nxe4 Rae8 {[%eval 151,24]} (15... Nxe4 $14 {[%eval 62,25]} 16. Bxe4 Bxe4 17. Qxe4 Rae8) 16. Ng5 {[%eval 113,24]} (16. g4 {[%eval 151,24]} Qh4 17. Be1) 16... Re7 17. Rae1 {[%cal Og2g4]} (17. Nxe6 $6 b5 $11) 17... Rfe8 18. Qf2 {And now h3 would win.} h6 19. Nh3 e5 {Inhibits Nf4.} 20. d5 (20. Qg3 {with more complications.} Nf8 21. dxe5 Rxe5 22. Rc1) 20... g5 {[%eval 128,21]} (20... Qf7 $142 {[%eval 73,23]}) 21. Qg3 {[%eval 80,23]} (21. Qe3 $142 {[%eval 128,21]}) 21... Kh8 {[%eval 143,24]} (21... Qf7 {[%eval 80,23]}) 22. Nf2 $16 Qf7 $2 {[%eval 299,23]} (22... b5 $16 {[%eval 111,23]}) 23. Ng4 Nxg4 {[%eval 333,25]} (23... Qh5 {[%eval 223,20]} 24. a4 Rf7) 24. fxg4 $18 (24. Qxg4 Nf6 25. Qf5 Rf8 $14) 24... Qg7 {Black is weak on the light squares} 25. Bc3 Rf8 {[%eval 207,24]} (25... Nf6 {[%eval 162,24]} 26. a4 Rf7) 26. Rxf8+ Nxf8 27. Bf5 Ng6 $2 {[%eval 381,22] [#]} (27... Nh7 {[%eval 179,24] might work better.} 28. a4 Re8) 28. Qe3 $2 {[%eval 133,22]} (28. Qd3 $1 $18 {[%eval 381,22] and the rest is easy.}) 28... Rf7 29. g3 {[%eval 49,23]} (29. h3 $18 {[%eval 163,23]}) 29... Ne7 $1 $14 30. Bd3 {[%eval 1,23] This pair of bishops is nice.} (30. Be4 $1 $14 {[%eval 54,22]}) 30... b5 $11 31. Qe4 {[%eval -62,24]} (31. cxb5 Nxd5 (31... Bxd5 $2 32. bxa6 Ba8 33. Rf1 $18) 32. Qd2 axb5) ({White should try} 31. Qa7 $11 {[%eval 1,25]} bxc4 32. Bxc4 Bxd5 33. Bxa6 (33. Qxa6 Rf3 $11) (33. Qxc7 $2 Ng6 $19)) 31... Rf8 {[%eval -1,22]} (31... bxc4 $1 $15 {[%eval -62,24]} 32. Bxc4 Qf8) 32. Rf1 Rxf1+ 33. Bxf1 bxc4 34. Bxc4 Qf7 {[%cal Rb7d5]} 35. Bxe5+ {[%eval -167,26]} dxe5 $19 36. Qxe5+ Kg8 $2 {[%eval -1,23]} ({Black should play} 36... Qg7 $19 {[%eval -188,26]} 37. Qxc7 Qd4+ (37... Bxd5 38. Bxa6 Qd4+ 39. Kf1 $17) (37... Nxd5 $2 38. Qb8+ Qg8 39. Qxb7 $18) 38. Kf1 Qf6+ (38... Bxd5 $2 39. Qd8+ Ng8 40. Qxd5 $18) (38... Qxg4 39. Be2 $11) 39. Kg1 Bxd5 (39... Qd4+ 40. Kf1 $17) 40. Qd8+ Bg8) 37. Qxe7 {[%eval -788,27][%mdl 8192]} Qxe7 {Black is clearly winning.} 38. d6+ {[#]} Qf7 $3 39. d7 (39. Bxf7+ Kxf7) 39... Qxc4 40. d8=Q+ Kg7 41. Qe7+ Qf7 42. Qe5+ Kg8 43. Qf5 Qxf5 44. gxf5 Kf7 45. g4 Bf3 46. h3 h5 47. Kf2 hxg4 {What a bad dream for White.   Weighted Error Value: White=0.71/Black=0.45  Loses game:     	White=1     	Black=1      Missed win:     	White=1     	Black=1      Mistake:       	White=7     	Black=7      Inaccurate:     	White=4     	Black=2      OK:         	White=5     	Black=9      Best:        	White=1     	---        Strong:       	---       	Black=1} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "2"]
[Board "3"]
[White "Honda, Yoshiki"]
[Black "Hong, Joon Young"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B13"]
[WhiteElo "1824"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "41"]
[GameId "2293415352855675"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 14,41,68,50,81,80,71,84,76,80,92,56,101,51,72,45,36,16,54,-20,1,-62,-15,-17,6,-26,263,228,1009,951] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 e6 7. Nf3 Be7 8. O-O {White is more active.} Ne4 9. Nbd2 f5 10. Ne5 Nxe5 {White is better.} 11. Bxe5 O-O 12. c4 {[%eval 56,21]} ({White should try} 12. a4 $16 {[%eval 92,21]}) 12... Qa5 {[%eval 101,21]} (12... b6 $14 {[%eval 56,21]}) 13. Nxe4 {[%eval 51,24]} (13. Nb3 $16 {[%eval 101,21]} Qb6 14. c5) 13... dxe4 14. Bc2 Bd7 15. Bb3 Rad8 {[%eval 54,23]} (15... Bf6 $11 {[%eval 16,24]}) 16. d5 {[%eval -20,23]} (16. c5 $14 {[%eval 54,23]}) 16... Bc5 17. Qe1 {[%eval -62,22]} (17. a3 $11 {[%eval 1,22]}) 17... Qb6 {[%eval -15,23]} (17... Qxe1 $15 {[%eval -62,22]} 18. Rfxe1 b6) 18. Rd1 $11 a5 19. Bc3 {[%cal Be5c3,Bc3a5,Ba5b6][%mdl 32]} exd5 $2 {[%eval 263,26][%mdl 8192] [#]} (19... Ra8 $1 $11 {[%eval -26,23] and Black has nothing to worry.}) 20. Bxa5 $18 e3 $2 {[%eval 1009,24]} (20... Qf6 {[%eval 228,24]}) 21. Bxb6 {Weighted Error Value: White=0.31/Black=0.80  Loses game:     	---       	Black=1      Mistake:       	White=4     	Black=4      Inaccurate:     	White=2     	---        OK:         	White=5     	Black=3} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "2"]
[Board "4"]
[White "Suzuki, Tsukumo"]
[Black "Furuse, Mizuki"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A58"]
[BlackElo "1761"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "76"]
[GameId "2293415352855676"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 20,76,32,23,25,12,9,-23,1,1,27,-1,1,-118,-108,-434,-416,-422,-427,-478,-505,-705,-522,-532,-535,-539,-527,-800,-797,-844,-751,-919,-697,-831,-832,-929,-827,-826,-773,-804,-706,-966,-880,-888,-865,-1139,-1107,-1524,-1517,-3310,-2813,-3530,-1161,-3456,-3513,-3162,-3377,-3617,-3497] A58: Benko/Volga Gambit: Lines with 5 bxa6} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 Bg7 8. Bg2 d6 9. Nh3 Nbd7 10. O-O O-O 11. Re1 Qc7 $146 (11... Ng4 12. Qc2 Nge5 13. b3 Qa5 14. Bd2 Rfc8 15. Rab1 Rab8 16. Nf4 Qa3 17. Qc1 Qa5 18. Rb2 c4 19. b4 Rxb4 20. Rc2 Nd3 21. exd3 cxd3 22. Rb2 Rxb2 23. Qxb2 Bxc3 24. Bxc3 Qxc3 25. Qxc3 Rxc3 26. Rd1 {0-1 Almeida Saenz,A (2419)-Sebag,M (2491) Aguascalientes 2007 (4)}) (11... Qb6 12. Nf4 Rfb8 13. h4 Ne5 14. h5 Ra7 15. hxg6 hxg6 16. Rb1 Qa5 17. Nd3 Nxd3 18. exd3 Bc8 19. Bg5 Bf5 20. Be4 Nxe4 21. dxe4 Bc8 22. Qd2 Rab7 23. Qc2 Bg4 24. Bd2 Qa6 25. Kg2 Rb4 26. f3 {1/2 Stepak,Y (2355)-Afek,Y (2450) Israel1 1988}) 12. Bf4 Rfb8 13. Qd2 Nb6 {[%mdl 1024] Black has compensation. Black has an edge.} (13... Ng4 {is interesting.} 14. Qc2 c4 15. Ng5 Qb6) 14. b3 {[%cal Bb2b3,Bb3b4][%mdl 32] Prevents Nc4.} c4 15. b4 Qd7 16. Rab1 {[%eval -118,22]} (16. Bh6 $11 {[%eval 1,24] keeps the balance.} Bh8 17. Ng5) 16... Na4 $17 17. Red1 $2 {[%eval -434,22][%mdl 8192]} (17. Nd1 $17 {[%eval -108,21]}) 17... Nxc3 $19 18. Qxc3 {[#]} Nxd5 $1 {[%csl Oc3][%mdl 576] Discovered Attack. Black is clearly winning.} 19. Qd2 {[#]} (19. Qc2 Nc3) 19... Nc3 20. Ng5 (20. Bh6 Nxb1) 20... Nxb1 21. Rxb1 Bb7 22. Bxb7 Qxb7 23. h4 h6 24. Nxf7 Kxf7 25. Bxh6 Bf6 {Strongly threatening ...Qe4.} 26. Qf4 Qd5 (26... Rxa2 $2 {is the wrong capture.} 27. Qxc4+ e6 28. Qxa2 $18) 27. g4 e5 28. Qg3 Rh8 29. g5 Bg7 30. h5 Qe4 31. Rd1 Rad8 32. Qa3 Bxh6 33. Qa7+ Ke6 34. hxg6 Qxg6 35. Qa5 Qxg5+ 36. Kf1 Rhg8 {[%csl Gg8][%cal Rg5g1]} 37. Qd5+ Ke7 {[%csl Gg8][%cal Rg5g1]} 38. Qb7+ Rd7 {Black took control after the opening.   Weighted Error Value: White=1.05/Black=0.55  Loses game:     	White=1     	---        Mistake:       	White=1     	---        Inaccurate:     	White=4     	Black=1      OK:         	White=1     	Black=5      Best:        	---       	Black=2} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "2"]
[Board "5"]
[White "Sugimoto, Koichi"]
[Black "Nishimori, Toshiyuki"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "D00"]
[WhiteElo "1864"]
[BlackElo "1656"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "41"]
[GameId "2293415352855677"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,40,1,285,308,350,333,474,382,371,395,403,390,445,432,512,501,526,516,755,730,1038,981,972,971,964,951,970,965,1005,1018,1021,1011,29999] D00: 1 d4 d5: Unusual lines} 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. e3 Nbd7 $146 (4... Bd6 5. Bd3 (5. Nf3 O-O 6. Bd3 c5 7. dxc5 Bxc5 8. O-O Nc6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Qf6 12. Bg5 Qxb2 13. Rb1 Qa3 14. Bc1 Qa4 15. Bxh7+ Kxh7 16. Ng5+ Kg8 17. Qh5 Qxc2 18. Rb3 Qg6 19. Qh4 e5 {0-1 Jobava,B (2705)-Malakhov,V (2716) EU-ch rapid Warsaw 2013 (9)}) (5. Bg3 O-O 6. Bd3 a6 7. Nf3 Nc6 8. a3 Qe7 9. Ne5 Nd7 10. f4 f5 11. Nb1 Nd8 12. O-O Nf7 13. c4 Bxe5 14. fxe5 dxc4 15. Bxc4 b5 16. Ba2 Bb7 17. Nc3 Nb6 18. Qe2 Ng5 19. Rac1 Rad8 {1/2 Colovic,D (2380)-Kostic,V (2430) SRB-chT2 West Serbia 2009 (6.2)}) 5... O-O 6. Bg5 h6 7. Bh4 c5 8. dxc5 Bxc5 9. Qf3 Nbd7 10. O-O-O Be7 11. Qe2 Qa5 12. f4 b5 13. e4 b4 14. Nb1 dxe4 15. Bxe4 Rb8 16. Nf3 Nc5 17. Ne5 Ba6 18. Qf3 Ncxe4 19. Nc6 {0-1 Labuckas,A (2338)-Sakalauskas,V (2418) Klaipeda 750 jub 2002 (4)}) (4... a6 5. Nf3 c5 6. dxc5 Bxc5 7. Bd3 Nc6 8. O-O Bb4 9. Qd2 O-O 10. a3 Bd6 11. e4 d4 12. Bxd6 Qxd6 13. Ne2 e5 14. Nh4 Be6 15. Ng3 Ne7 16. Rae1 Nd7 17. Nhf5 Bxf5 18. exf5 Nd5 19. Ne4 {1-0 Kovalev,V (2562)-Lutsko,I (2343) BLR-ch 80th Minsk 2014 (8)}) (4... Bb4 5. Nge2 O-O 6. a3 Be7 7. Rg1 c5 8. g4 Nc6 9. h4 Nd7 10. g5 Re8 11. Bg2 Nb6 12. b3 Bd7 13. Nb5 cxd4 14. exd4 e5 15. dxe5 Nxe5 16. Nbc3 Bc5 17. b4 Bd6 18. Kf1 Rc8 19. Nxd5 {0-1 Reddmann,H (2331)-Berelowitsch,A (2571) Hamburg-ch int 09th 2006 (7)}) 5. Nf3 c5 $2 {[%eval 285,23][%mdl 8192] [#]} (5... a6 $11 {[%eval 1,21]}) 6. Nb5 $18 e5 (6... Qa5+ 7. c3 e5 8. Nxe5 $18 (8. dxe5 c4 $18) (8. Bxe5 Nxe5 9. dxe5 a6 $18)) 7. dxe5 Nh5 {[%eval 474,23]} (7... a6 {[%eval 333,22] was necessary.} 8. Nc3 (8. exf6 axb5 9. Qxd5 Qa5+ 10. Qd2 Qa6 $18) 8... Ne4 9. Nxe4 (9. Nxd5 Nb6 $16) (9. Qxd5 Nxc3 10. bxc3 Qa5 $18) 9... dxe4) 8. e6 {White is clearly winning.} Nxf4 9. exd7+ ({Weaker is} 9. exf4 fxe6 10. Qe2 Be7 $11) 9... Bxd7 10. exf4 Qa5+ 11. Qd2 Qb6 12. Qe2+ Be7 13. O-O-O c4 14. Nc3 Kf8 15. Nxd5 Qc5 16. Qxe7+ Qxe7 17. Nxe7 Kxe7 18. Bxc4 Rhd8 19. Rhe1+ Kf8 20. Ng5 {[%csl LRf7,LRh7]} f6 21. Nxh7# {Black got outplayed after the opening.   Weighted Error Value: White=0.15 (very precise) /Black=1.38  Mistake:       	---       	Black=1      Inaccurate:     	---       	Black=2      OK:         	White=6     	Black=2} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "2"]
[Board "6"]
[White "Nakamura, Mitsuru"]
[Black "Yajima, Machiko"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B06"]
[WhiteElo "1563"]
[BlackElo "1323"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "77"]
[GameId "2293415352855678"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,77,0,-3,-2,27,29,32,6,31,34,78,21,102,58,120,55,108,54,97,98,94,92,508,485,632,437,430,386,443,396,585,567,604,588,567,421,614,506,545,233,536,181,700,645,786,710,977,926,1121,1208,1950,1521,2340,1356,3371,1987,3231,2393,29985,29986,29992,2073,29994,29995,29995,29996,29996,29997,29997,29998] B07: Pirc Defence: Miscellaneous Systems} 1. e4 Nf6 2. Nc3 g6 3. Bc4 d6 4. d3 Bg7 5. Nf3 O-O 6. h3 $146 (6. Be3 c5 7. Qd2 Ng4 8. Bf4 Nc6 9. h3 Nge5 10. Nxe5 dxe5 11. Bh6 e6 12. h4 Nd4 13. O-O-O Bxh6 14. Qxh6 Qf6 15. h5 Qf4+ 16. Qxf4 exf4 17. hxg6 fxg6 18. f3 Bd7 19. a3 b5 20. Ba2 b4 {0-1 Qashashvili,A (2505)-Krysa,L (2524) Titled Tuesday intern op 18th Oct Early Chess.com INT blitz 2022 (3)}) 6... Nc6 7. a3 a6 8. O-O {White is slightly better.} Na5 9. Ba2 b6 {[%eval 78,20]} (9... c5 $14 {[%eval 34,21]}) 10. Bd2 {[%eval 21,21]} ({White should try} 10. d4 $16 {[%eval 78,20]}) 10... Bd7 {[%eval 102,23]} (10... c5 $11 {[%eval 21,21] keeps the balance.}) 11. b4 {[%eval 58,24]} (11. d4 $16 {[%eval 102,23]}) 11... Nb7 {[%eval 120,21]} (11... Nc6 $14 {[%eval 58,24]}) 12. Rb1 {[%eval 55,21]} (12. d4 $16 {[%eval 120,21]}) 12... Qc8 {[%eval 108,20]} (12... c5 $14 {[%eval 55,21]}) 13. Kh2 {[%eval 54,20]} (13. d4 $16 {[%eval 108,20]}) 13... Nh5 {[%eval 97,21]} (13... e5 $14 {[%eval 54,20]}) 14. Nd5 $36 {[%mdl 2048] White is in control.} Qd8 15. Bg5 {White is more active.} h6 $2 {[%eval 508,23][%mdl 8192]} (15... Nf6 $16 {[%eval 92,20]}) 16. Bxe7 $18 ({Weaker is} 16. Nxe7+ Kh7 17. Nxg6 hxg5 18. Nxf8+ Bxf8 $18) 16... Qc8 17. Bxf8 Kxf8 18. c4 {[%cal Bc2c4,Bc4d5][%mdl 32]} Be6 19. Qd2 Bxd5 {[%eval 585,22]} (19... Qd8 $142 {[%eval 396,19]} 20. Qe3 Kg8) 20. cxd5 Qd7 21. Rfe1 a5 22. e5 axb4 {[%eval 614,22]} (22... dxe5 $142 {[%eval 421,19]} 23. Nxe5 Qf5) 23. Qxb4 Nc5 24. Rbd1 {[%eval 233,23]} (24. e6 $142 {[%eval 545,23]} Qe7 25. Bc4) 24... Ra4 $2 {[%eval 536,23]} (24... dxe5 {[%eval 233,23]} 25. Bc4 (25. Nxe5 Bxe5+ 26. Rxe5 Qd6 $16) 25... Ra4) 25. Qb1 $2 {[%eval 181,22]} (25. e6 {[%eval 536,23]} Qe7 (25... Rxb4 $2 26. exd7 Nxd7 27. axb4 $18) 26. Qd2) 25... Qf5 {[%eval 700,23]} (25... dxe5 {[%eval 181,22]} 26. Qc1 (26. Nxe5 Bxe5+ 27. Rxe5 Qd6 $11) 26... Qd6) 26. d4 {[%cal Bd3d4,Bd4c5][%mdl 32]} Qf4+ 27. Kg1 Nd7 28. Qb5 {[%csl LRa4,LRd7]} Nc5 29. dxc5 {[#] And now exd6 would win.} Re4 30. Rxe4 Qxe4 31. Re1 Qc2 {[#]} 32. Qd7 $1 {[%cal Rd7d8]} Kg8 {[%cal Bf8g8,Bg8h7,Bh7h8][%mdl 32]} 33. Bb1 Qxc5 34. e6 Nf6 35. Qxf7+ Kh7 36. Bxg6+ {White mates.} Kh8 37. e7 Qb5 38. e8=Q+ Nxe8 39. Rxe8+ {Black did not feel at home in the position after the opening.   Weighted Error Value: White=0.97/Black=1.22  Loses game:     	---       	Black=1      Mistake:       	White=5     	Black=9      Inaccurate:     	White=2     	Black=2      OK:         	White=5     	Black=3      Best:        	White=1     	---} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "2"]
[Board "7"]
[White "Ito, Katsuhide"]
[Black "Shishido, Kenta"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B95"]
[WhiteElo "1274"]
[BlackElo "1523"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "113"]
[GameId "2293415352855679"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 15,113,-2,10,-40,-2,-2,5,-46,-20,-87,-37,-113,-13,-212,15,32,103,95,269,40,43,38,226,228,253,83,149,156,561,39,-1,-28,-21,-29,-1,-1,-1,-65,1,-28,3,1,48,-21,50,18,53,-1,85,15,46,60,95,1,221,-1,1,-1,323,222,229,-14,1,6,7,7,9,6,7,8,9,9,11,15,10,14,12,16,46,42,791,599,792,778,1493,1385,1079,1028,1065,887,29988,863,29985,29985,29985,29986,29989,29988,29988,29988] B95: Sicilian Najdorf: 6 Bg5 e6, unusual White 7th moves} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. Bg5 Nbd7 9. Kh1 {[%eval -40,22]} (9. a4 $11 {[%eval 10,22]}) 9... O-O {[%eval -2,22]} (9... Nc5 $1 $15 {[%eval -40,22]}) 10. f4 $11 Qc7 11. Qd2 $146 {[%eval -46,21]} (11. Bf3 $11 {[%eval 5,21]} h6 12. Bh4 Rb8 13. Qe2 Re8 14. Bg3 e5 15. Nf5 exf4 16. Bxf4 Ne5 17. Nxe7+ Rxe7 18. Qf2 Bd7 19. Rad1 Rbe8 20. Qg3 Kh8 21. Be2 Re6 22. h3 b5 23. a3 Qb7 24. Bf3 Nxf3 25. Qxf3 Bc6 26. Rxd6 {0-1 Azarov,S (2604)-Dominguez Perez,L (2758) Titled Tuesday intern op 01st Dec Chess.com INT blitz 2020 (5)}) 11... b6 12. Bh4 {[%eval -87,25]} (12. a4 $11 {[%eval -20,21]}) 12... Bb7 {[%eval -37,20]} (12... Nxe4 $1 $17 {[%eval -87,25]} 13. Nxe4 Bxh4) 13. Bf3 {[%eval -113,21]} (13. Qe1 $15 {[%eval -37,20]}) 13... Rfe8 {[%eval -13,21]} (13... Nxe4 $1 $17 {[%eval -113,21]} 14. Nxe4 Bxh4 15. Nxd6 Bxf3 16. Nxf3 Bf6) 14. Rae1 $2 {[%eval -212,23]} (14. Bg3 $11 {[%eval -13,21] and White is okay.}) 14... Nc5 $2 {[%eval 15,21]} (14... Nxe4 $1 $19 {[%eval -212,23]} 15. Nxe4 Bxh4) 15. Bg3 Rac8 {[%eval 103,23] [#]} (15... Bf8 $14 {[%eval 32,21]}) 16. e5 $1 $16 Bxf3 $2 {[%eval 269,25]} (16... Nd5 $16 {[%eval 95,24] was worth a try.}) 17. Rxf3 $2 {[%eval 40,24]} (17. exf6 $18 {[%eval 269,25]} Bxg2+ 18. Qxg2 Bxf6 19. Bf2) 17... dxe5 18. fxe5 Nfd7 {[%eval 226,23]} (18... Nh5 $1 $14 {[%eval 38,23]}) 19. b4 $18 Nb7 20. b5 {[%eval 83,22]} (20. Nd5 $18 {[%eval 253,22]} Qd8 (20... exd5 $2 21. e6 $18) 21. Qf4) 20... axb5 {[%eval 149,25]} (20... Bb4 $142 {[%eval 83,22]} 21. Nc6 Bxc3 22. Rxc3 Nbc5) 21. Ndxb5 $16 Qb8 {[%eval 561,23]} (21... Qc6 22. Na7 Qc7 23. Ncb5 Qxc2 24. Qxd7 $18) (21... Qd8 $16 {[%eval 156,25]}) 22. Ne4 $2 {[%eval 39,23]} (22. Qxd7 $18 {[%eval 561,23]} Nc5 23. Qd4) 22... Nxe5 $14 23. Bxe5 Qxe5 24. Nf6+ $1 {[%csl Oe5][%mdl 64] Discovered Attack} Qxf6 25. Rxf6 Bxf6 26. Qf2 {[%eval -65,25]} (26. Qe2 $11 {[%eval -1,24]}) 26... Rc6 {[%eval 1,24]} (26... Rc5 $15 {[%eval -65,25]} 27. a4 h5) 27. Nd4 $11 Bxd4 28. Qxd4 Rd6 {[%eval 48,26]} (28... Rec8 $11 {[%eval 1,27] was preferable.}) 29. Qf2 {[%eval -21,24]} (29. Qc4 $14 {[%eval 48,26]} Nc5 30. h3) 29... Red8 {[%eval 50,27]} ({Black should play} 29... e5 $11 {[%eval -21,24]}) 30. Rf1 {[%mdl 1024] White has compensation.} R8d7 31. Qf3 {[%eval -1,25]} (31. h3 $14 {[%eval 53,23]}) 31... Rd2 {[%eval 85,26]} (31... h6 $11 {[%eval -1,25] remains equal.}) 32. Rc1 {[%eval 15,26]} (32. Qc6 $16 {[%eval 85,26]}) 32... e5 {[%cal Oe5e4]} 33. h3 {Rb1 would now be deadly.} Re7 34. Re1 {[%eval 1,24]} (34. Qa3 $16 {[%eval 95,24]} Re6 35. Re1) 34... Rxc2 $2 {[%eval 221,27]} (34... h6 $11 {[%eval 1,24]}) 35. Qe4 $2 {[%eval -1,23]} ({Better is} 35. Qa3 $18 {[%eval 221,27]} Re8 36. Rxe5) 35... Rxa2 36. Rc1 Nd6 {[%eval 323,30][%mdl 8192] Dodges Rc8+} (36... Ra8 $11 {[%eval -1,27] and Black has nothing to worry.}) 37. Qb4 Re6 {[#]} 38. Qxb6 $2 {[%eval -14,25]} (38. Qxd6 $1 $18 {[%eval 229,30] Qd8+ would kill now.} Ra8 39. Qd7) 38... Ra8 39. Rc6 Ne8 40. Rxe6 fxe6 41. Qxe6+ {[%mdl 4096] Endgame KQ-KRN} Kh8 42. Qxe5 h6 43. Qe4 Rb8 44. g4 Nf6 45. Qf4 Rb1+ 46. Kg2 Rb2+ 47. Kf1 Nd5 $2 {[%eval 791,29][%mdl 8192]} (47... Rb1+ $14 {[%eval 42,25]} 48. Ke2 Rb2+ 49. Kd1 Rb1+ 50. Kc2 Re1) 48. Qf8+ $18 Kh7 49. Qf5+ g6 50. Qxd5 {KQ-KR} Rb1+ 51. Ke2 Rb2+ 52. Kd3 Rh2 53. Qf7+ {[%eval 863,5]} (53. Qb7+ $142 {[%eval 32744,28]} Kg8 54. Qb8+ Kf7 55. Qxh2 Ke6 56. Kd4 Ke7 57. Qc7+ Kf6 58. Qd6+ Kf7 59. Ke5) 53... Kh8 54. Qf6+ {White mates.} Kh7 55. Qe7+ Kh8 56. Qe5+ Kh7 57. Qxh2 {Weighted Error Value: White=0.75/Black=0.95  Loses game:     	White=1     	Black=6      Missed win:     	White=5     	Black=1      Mistake:       	White=8     	Black=9      Inaccurate:     	White=3     	Black=8      OK:         	White=11    	Black=5      Best:        	---       	Black=1      Strong:       	White=2     	---} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "2"]
[Board "8"]
[White "Hisaeda, Masaru"]
[Black "Kaga, Kazuyuki"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A07"]
[BlackElo "1465"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "42"]
[GameId "2293415352863872"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,41,-33,-20,-121,-52,-121,-121,-264,-261,-248,-192,-468,-469,-608,-601,-750,-703,-778,-775,-839,-825,-883,-780,-937,-945,-930,-911,-916,-887,-1111,-1073,-29998,-29999,-29999] A07: Réti Opening: New York and Capablanca Systems} 1. g3 e5 2. Nf3 Nc6 3. Bg2 d5 4. O-O Nf6 5. c3 (5. d4 exd4 6. Nxd4 Nxd4 7. Qxd4 c6 8. c4 dxc4 9. Qxc4 Be6 10. Qc2 Be7 11. Rd1 Qc8 12. Nc3 Bh3 13. Bg5 Bxg2 14. Kxg2 O-O 15. Ne4 Nd5 16. Bxe7 Nxe7 17. Nd6 Qc7 18. Rd3 Ng6 19. Rad1 a6 {1-0 Nihal,S (2693)-Szpar,M (2499) Titled Tuesday intern op 30th Sep Chess.com INT blitz 2025 (10)}) 5... Bd6 $146 (5... e4 6. Nd4 Ne5 7. d3 c5 8. Nb3 c4 9. dxc4 Nxc4 10. Nd4 Be7 11. b3 Ne5 12. Bf4 Ng6 13. Be3 O-O 14. h3 Bd7 15. Nd2 Qc8 16. c4 Bxh3 17. cxd5 Bxg2 18. Kxg2 Nh4+ 19. Kh2 Ng4+ 20. Kg1 {1/2 Lewicki,M (2340)-Vidit,S (2723) Titled Tuesday intern op 12th Apr Early Chess.com INT blitz 2022 (1)}) 6. b3 {[%eval -121,22]} (6. d3 $11 {[%eval -20,20] keeps the balance.}) 6... O-O {[%eval -52,22] Black is more active.} (6... e4 $17 {[%eval -121,22]} 7. Nd4 Nxd4 8. cxd4 Bf5) 7. Qc2 {[%eval -121,23]} (7. d3 $15 {[%eval -52,22]}) 7... e4 $17 8. Ng5 {[%eval -264,23]} (8. Nd4 $17 {[%eval -121,21]}) 8... h6 $19 9. Nh3 Be6 {White is weak on the light squares} 10. Bb2 $2 {[%eval -468,23] [#]} (10. Ba3 {[%eval -192,21] was called for.}) 10... Qd7 11. a4 Bxh3 12. a5 Rfe8 13. c4 d4 14. a6 b6 15. b4 Nxb4 16. Qb3 c5 17. Na3 Bxg2 18. Kxg2 Re5 {[%cal Oe5h5] [#] and ...Rh5! should not be overlooked} 19. Rae1 Rh5 {( -> ...Qh3+)} 20. Rg1 Qh3+ 21. Kh1 Qxh2# {White did not feel at home in the position after the opening.   Weighted Error Value: White=1.14/Black=0.19 (very precise)   Mistake:       	White=3     	Black=1      OK:         	White=1     	Black=4} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "2"]
[Board "9"]
[White "Denta, Seiichi"]
[Black "Hisaeda, Heron Masaru"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A34"]
[WhiteElo "1325"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "63"]
[GameId "2293415352863873"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,62,1,2,-11,-5,-11,-5,-22,1,-1,8,-3,15,0,93,23,160,171,201,198,204,195,261,257,314,137,371,384,366,285,358,340,344,347,355,358,556,532,564,544,657,613,29997,29983,29994,29995,29994,29994,29996,29992,29992,29991,29998,29999,29999] A34: Symmetrical English: 2 Nc3, lines with ...d5} 1. e4 c5 2. c4 d6 3. Nc3 Nf6 4. h3 $146 (4. f4 Nc6 5. d3 g6 6. h3 Bg7 7. Be3 a6 8. Qd2 Rb8 9. g4 b5 10. Bg2 Nd4 11. Nge2 Nd7 12. O-O O-O 13. Ng3 Bb7 14. Rac1 Re8 15. g5 Bc6 16. h4 bxc4 17. dxc4 Rb4 18. h5 Rxc4 {0-1 Dimakiling,O (2447)-Pham,L (2351) Ho Chi Minh City HD Bank op 2nd 2012 (8)}) 4... g6 5. d3 Bg7 6. Nf3 O-O 7. Be2 Nc6 8. O-O {The position is equal.} e5 9. a3 Be6 10. Ng5 Qd7 11. Nb5 Nd4 {[%eval 93,24]} (11... a6 $11 {[%eval 0,21] keeps the balance.} 12. Nxe6 fxe6) 12. Nxe6 {[%eval 23,24]} (12. Nxd4 $16 {[%eval 93,24]} cxd4 13. b4) 12... Qxe6 {[%eval 160,24]} (12... Nxe6 $11 {[%eval 23,24]} 13. Nc3 a6) 13. Nc7 $1 $16 {[%csl LRa8,LRe6]} Qc8 14. Nxa8 Qxa8 15. Be3 Nd7 {[%eval 261,25]} (15... h5 {[%eval 195,21]} 16. b4 Ne6) 16. Bg4 $18 f5 17. Bf3 {[%eval 137,24]} (17. Bxd4 $18 {[%eval 314,24] and White stays clearly on top.} cxd4 18. exf5) 17... fxe4 {[%eval 371,22] [#] Black cannot hold the game after this.} (17... Nxf3+ $16 {[%eval 137,24]} 18. Qxf3 f4) 18. Bxe4 Nf6 19. Bd5+ Kh8 20. a4 Nxd5 21. cxd5 b6 22. Bxd4 cxd4 {[%eval 556,24]} (22... exd4 {[%eval 358,25] was worth a try.} 23. Qb3 Qd8) 23. Rc1 Qxd5 24. Rc7 {Dodges Qb7} Qa5 25. Qg4 Rxf2 26. Kxf2 {White mates.} Qd2+ 27. Kg1 Qe3+ 28. Kh2 h5 29. Qd7 {[%csl Gc7][%cal Rd7g7]} Qh6 30. Rf7 Kg8 31. Rxg7+ Kh8 32. Rc8# {Weighted Error Value: White=0.23 (precise) /Black=0.64  Loses game:     	---       	Black=1      Missed win:     	White=1     	---        Mistake:       	White=1     	Black=4      Inaccurate:     	---       	Black=1      OK:         	White=8     	Black=2      Best:        	White=1     	---} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "3"]
[Board "1"]
[White "Furuse, Mizuki"]
[Black "Dryglas, Maciej"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A10"]
[WhiteElo "1761"]
[BlackElo "2142"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "82"]
[GameId "2293415352863874"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,82,22,45,62,72,43,49,41,42,33,30,18,14,-49,-2,-13,-3,-68,-47,-36,-65,-83,-108,-54,-72,-200,-175,-212,-241,-249,-201,-182,-177,-196,-180,-167,-164,-177,-167,-201,-156,-183,-140,-179,-166,-178,-181,-198,-144,-268,-264,-237,-244,-191,-256,-748,-774,-778,-736,-759,-764,-763,-561,-587,-582,-556,-542,-666,-665,-657,-654,-796,-793,-748,-769] A10: English Opening: Unusual Replies for Black} 1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nf3 Nc6 (4... Bd7 5. h4 (5. O-O Qc8 6. Re1 Bh3 7. Bh1 h5 8. d4 Nc6 9. Nc3 h4 10. Ne4 hxg3 11. fxg3 Nf6 12. Nf2 Bg4 13. Bg5 Bxf3 14. exf3 Qf5 15. Qd2 Nxd4 16. Qxd4 Qxg5 17. f4 Qh6 18. h4 c6 19. Qxd6 O-O {0-1 Domingo Nunez,R (2414)-Maksimovic,B (2505) Titled Tuesday intern op 01st Apr Early Chess.com INT blitz 2025 (11)}) 5... h6 6. Nc3 c5 7. d4 cxd4 8. Nxd4 Nc6 9. Be3 Nf6 10. Nb3 Ng4 11. Bd2 a5 12. O-O a4 13. Nc1 Nce5 14. c5 dxc5 15. Bxb7 Rb8 16. Bg2 Rxb2 17. Ne4 O-O 18. Bc3 a3 19. Nxc5 {0-1 Aravindh,C (2718)-Nakamura,H (2802) Titled Tuesday intern op 03rd Dec Early Chess.com INT blitz 2024 (8)}) 5. O-O Bd7 6. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} Qc8 7. d5 $146 (7. Nc3 Bh3 8. e4 h5 9. Bxh3 Qxh3 10. Nd5 Qd7 11. h4 Nf6 12. Re1 Ng4 13. Bg5 O-O 14. Rc1 e6 15. Nc3 e5 16. dxe5 Ncxe5 17. Nxe5 Nxe5 18. Nd5 Qh3 19. Rc2 f6 20. Bc1 Rf7 21. Nf4 Qg4 {1-0 Shankland,S (2671)-Rozman,L (2322) Titled Tuesday intern op 28th May Early Chess.com INT blitz 2024 (8)}) 7... Ne5 8. Nxe5 {White is slightly better.} Bxe5 9. Qc2 Bh3 10. Bd2 h5 11. Bc3 {[%eval -49,23]} (11. f3 $1 $11 {[%eval 14,22]}) 11... Bxc3 {[%eval -2,23]} (11... h4 $15 {[%eval -49,23] should be considered.} 12. Bxe5 dxe5 13. Qa4+ Kf8) 12. Qxc3 $11 Nf6 13. Nd2 {[%eval -68,24]} (13. f3 $1 $11 {[%eval -3,24]}) 13... Bxg2 14. Kxg2 h4 15. Ne4 hxg3 16. Nxf6+ exf6 17. Qxg3 {[%eval -200,23] This costs White the game.} (17. hxg3 $17 {[%eval -72,27]} Qh3+ 18. Kf3) 17... Qf5 18. Rae1 {[%eval -212,23]} (18. Rfe1 {[%eval -175,22] was called for.}) 18... Qe4+ $19 19. Qf3 Qe5 (19... Qxc4 20. Rc1 Qh4 (20... Qxa2 21. Rxc7 Qxb2 22. Qe3+ Qe5 23. Qxe5+ fxe5 24. Rxb7 $17) 21. h3) 20. h3 O-O-O (20... Qxb2 21. Rb1 Qxa2 22. Qxf6 $17) 21. b3 Rh4 22. Qg3 Rdh8 23. Qxe5 fxe5 {[%mdl 4096] Endgame KRR-KRR} ({Don't take} 23... dxe5 24. Rh1 $17) 24. Rh1 f5 25. e3 g5 26. f3 Kd7 27. e4 Ke7 28. b4 Kf6 {[%eval -144,22]} (28... a5 $19 {[%eval -198,24]} 29. bxa5 Ra8 30. exf5 Kf6 (30... Rxa5 31. Re4 $17) (30... Rxc4 31. Rc1 $15)) 29. Kg3 {[%eval -268,26] [#]} (29. c5 $17 {[%eval -144,22]}) 29... g4 $1 {[%mdl 512]} 30. fxg4 fxg4 {Threatens to win with ...Kg5.} 31. Rhf1+ {[#]} Kg6 $1 32. Rh1 {[%eval -748,25]} (32. hxg4 {[%eval -256,27]} Rh3+ 33. Kf2) 32... Kg5 {Black is clearly winning.} (32... Rxh3+ 33. Rxh3 Rxh3+ (33... gxh3 34. Kh2 $11) 34. Kxg4 $17) (32... gxh3 $2 33. Kh2 $19) 33. Ref1 Rxh3+ 34. Rxh3 Rxh3+ {KR-KR. Black is a pawn up.} (34... gxh3 35. Kh2 $15) 35. Kg2 Rc3 36. c5 dxc5 (36... Rc2+ 37. Kg3 $17) 37. bxc5 Rxc5 (37... Rc2+ 38. Kg3 $17) 38. Rf5+ Kh4 39. Rxe5 Rc2+ 40. Kg1 Kg3 {[%cal Rc2c1]} 41. Kf1 Kf3 {Weighted Error Value: White=0.46/Black=0.18 (very precise)   Mistake:       	White=6     	Black=2      Inaccurate:     	White=1     	---        OK:         	White=6     	Black=8      Best:        	White=4     	Black=2      Strong:       	---       	Black=1} ({Less strong is} 41... Rxa2 42. Re7 $17) 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "3"]
[Board "2"]
[White "Kim, Changhyung"]
[Black "Honda, Yoshiki"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "D02"]
[WhiteElo "1838"]
[BlackElo "1824"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "79"]
[GameId "2293415352863875"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,79,2,32,23,21,1,-5,-21,-13,-42,-6,7,-4,15,7,5,-6,-24,-22,-51,-42,-65,-39,-68,81,-89,1,-35,-22,-58,-64,-140,-50,-89,-91,-92,-85,-239,-214,-191,-106,-84,-106,-182,-152,-244,-252,-303,-246,-582,-575,-650,-285,-654,-625,-912,541,278,719,700,929,939,1578,1402,2274,1164,1370,1122,1815,1078,1585,1126] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 1. d4 Nf6 2. Bf4 d5 3. Nf3 c5 4. e3 Nc6 5. Nbd2 Bf5 6. dxc5 e6 7. Bb5 $146 {and Nd4 would now be decisive} (7. Nb3 Nd7 8. Nfd4 Bg6 9. c4 (9. Nb5 e5 10. Bg3 Nb4 11. Na3 f6 12. c3 Nc6 13. Qxd5 Nxc5 14. Qxd8+ Rxd8 15. Nxc5 Bxc5 16. Nc4 h5 17. h4 O-O 18. Be2 b5 19. Na3 Bxa3 20. bxa3 Na5 21. Bxb5 Bd3 22. Ba4 Rb8 23. Rd1 Rfd8 {0-1 Grischuk,A (2732)-Karjakin,S (2750) Moscow Region Group Cup rapid 2023 (2)}) 9... Nxc5 10. cxd5 Qxd5 11. Nxc6 bxc6 12. Qxd5 exd5 13. Nd4 Nd3+ 14. Bxd3 Bxd3 15. Nxc6 Rc8 16. Rc1 Bb4+ 17. Kd1 Be7 18. Be5 a6 19. Kd2 Bb5 20. Na7 Bb4+ 21. Bc3 Bxc3+ {1-0 Barp,A (2449)-Ljukin,S (2362) Titled Tuesday intern op 08th Oct Early Chess.com INT blitz 2024 (6)}) (7. Nd4 Bxc5 8. Nxf5 exf5 9. Bd3 (9. c3 O-O 10. Be2 Ne4 11. O-O Qe7 12. Nxe4 dxe4 13. Qd5 g6 14. Rfd1 Rfd8 15. Qb3 Bb6 16. Rxd8+ Rxd8 17. Rd1 h5 18. h3 Rd7 19. Kf1 Qd8 20. Ke1 Rxd1+ 21. Qxd1 Qxd1+ 22. Kxd1 Kf8 23. Bb5 Ke7 {1/2 Darini,P (2399)-Bochnicka,V (2376) Titled Tuesday intern op 30th Jul Early Chess.com INT blitz 2024 (1)}) 9... g6 10. O-O O-O 11. c3 Ne4 12. Nf3 Rc8 13. Bc2 Bd6 14. Bb3 Bxf4 15. exf4 Qd6 16. g3 Rcd8 17. Nd4 Qf6 18. f3 Nc5 19. Nxc6 Qxc6 20. Qd4 Ne6 21. Qf2 a5 {0-1 Rosen,E (2377)-Rustamov,R (2323) Titled Tuesday intern op 20th May Early Chess.com INT blitz 2025 (9)}) 7... Bxc5 8. c4 {The position is equal.} O-O 9. a3 {Repels Nb4} a6 {[%eval -6,21]} (9... e5 $15 {[%eval -42,21]} 10. Bg3 d4) 10. Bxc6 $11 bxc6 11. b4 Bd6 12. Bxd6 Qxd6 13. c5 Qc7 14. Nb3 e5 15. h3 Bg6 16. Qc1 Bd3 {[%eval 81,24]} (16... Ne4 $15 {[%eval -68,22] keeps the upper hand.}) 17. Qd1 $2 {[%eval -89,23]} (17. Qc3 $16 {[%eval 81,24] is necessary to keep the advantage.}) 17... Bg6 {[%eval 1,23]} (17... e4 $17 {[%eval -89,23]} 18. Nfd4 a5 19. Nxa5 Rxa5 20. bxa5 Qxa5+ 21. Qd2 Qc7) 18. Nh4 {[%eval -35,23]} (18. Qc1 $1 $11 {[%eval 1,23]}) 18... Bh5 $36 {[%mdl 2048] Black has the initiative.} 19. g4 {[%eval -58,23]} (19. f3 $1 $11 {[%eval -22,23]}) 19... Bg6 20. O-O {[%eval -140,22]} ({White should play} 20. f3 $15 {[%eval -64,21]}) 20... Rfd8 {[%eval -50,21]} ({Black should try} 20... Ne4 $17 {[%eval -140,22]} 21. Kg2 Ng5) 21. Nxg6 {[%eval -89,21]} (21. f3 $15 {[%eval -50,21] should be considered.}) 21... hxg6 $17 22. Qf3 Ne4 {[%cal Oa6a5]} 23. Rfc1 $2 {[%eval -239,25] [#]} (23. Qg2 $17 {[%eval -85,23]}) 23... f5 $1 {[%mdl 512]} 24. Qg2 (24. gxf5 $2 Rf8 25. Qg4 Rxf5 $19 (25... gxf5 $2 26. Qg2 $19)) 24... fxg4 {[%eval -106,24]} (24... Rf8 $19 {[%eval -191,21] ...fxg4 would now be deadly.} 25. f3 Ng5) 25. Qxg4 {[%cal Of2f3]} Qf7 26. f3 {[%eval -182,22]} (26. Rf1 $17 {[%eval -106,23] keeps fighting.}) 26... Nf6 $19 27. Qg2 {[%eval -244,22]} (27. Qg5 $17 {[%eval -152,21]}) 27... d4 28. Na5 dxe3 29. Qe2 {[%eval -582,23]} (29. Qa2 {[%eval -246,22] nothing else works.} Rd5 (29... Nd5 30. Nxc6 Qxf3 31. Nxd8 $11) 30. Nc4) 29... e4 30. fxe4 Rd4 {[%eval -285,23]} ({Not} 30... Nxe4 31. Qxe3 Nd2 32. Rd1 (32. Nxc6 Nf3+ 33. Kg2 Rd2+ 34. Kg3 Qc7+ $19) 32... Nf3+ 33. Kg2 Nh4+ 34. Kh1 $19) (30... Rd2 $142 {[%eval -650,22]} 31. Qxe3 Qd7) 31. Qxe3 {[%eval -654,25]} (31. Qa2 {[%eval -285,23]} Qxa2 32. Rxa2) 31... Qd7 {[%cal Od4d3]} (31... Rxe4 $2 32. Qb3 Nd5 33. Rf1 $19) 32. e5 Ne4 {[%eval 541,26][%mdl 8192]} (32... Rd3 $19 {[%eval -912,23] avoids the disaster.} 33. e6 Qd5 (33... Rxe3 34. exd7 Nxd7 35. Re1 $16) 34. Nxc6 Re8 (34... Rxe3 $2 35. Ne7+ Kf8 36. Nxd5 $19)) 33. Nxc6 {[%mdl 64] [#] Deflection} Qxc6 {[%eval 719,24]} (33... Rd2 {[%eval 278,26]}) 34. Qxd4 $18 {White is clearly winning.} Rf8 35. Rf1 Rxf1+ 36. Rxf1 g5 37. Qd8+ Kh7 38. Rf8 Qa4 39. Rh8+ Kg6 40. Qe8+ {Weighted Error Value: White=1.07/Black=1.29  Mistake:       	White=10    	Black=6      Inaccurate:     	White=4     	Black=2      OK:         	White=5     	Black=9      Best:        	White=1     	Black=3} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "3"]
[Board "3"]
[White "Yoshii, Yukihiko"]
[Black "Sugimoto, Koichi"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A16"]
[WhiteElo "1760"]
[BlackElo "1864"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "92"]
[GameId "2293415352863876"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 14,92,-34,-69,-63,-73,-74,-82,-73,-70,-76,-63,-42,-57,-16,-24,9,20,26,29,83,84,107,89,236,176,229,218,425,376,508,237,250,201,244,245,370,287,357,344,333,132,100,-6,-8,16,236,222,176,242,228,226,225,179,442,442,432,142,153,156,158,91,89,46,224,118,314,8,519,437,433,325,314,-1,-1,-687,-669,-875,-851,-818,-819] A16: English Opening: 1...Nf6 with ...d5} 1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nf6 5. g3 Nc6 6. Bg2 Bf5 7. a3 e6 8. e3 Bd6 9. Nge2 O-O 10. O-O Qb6 {Black is better.} 11. b4 Rac8 {Black is much more active. The white rooks are passive.} 12. Bb2 a6 13. Rc1 Na7 {[%eval -16,23]} (13... Qa7 $15 {[%eval -57,21]}) 14. Qd2 a5 15. Na4 {[%csl LRa5,LRb6]} Qb5 16. Nec3 Qe8 {[%eval 83,23]} (16... Qd3 $11 {[%eval 29,25]} 17. Qxd3 Bxd3) 17. bxa5 $16 Nc6 18. Nb5 Bb8 {[%eval 236,23]} (18... Be7 $16 {[%eval 89,22]}) 19. Nc5 $18 Qe7 {[%eval 229,21]} (19... Ne4 $142 {[%eval 176,23]} 20. Bxe4 dxe4 21. Nxb7 Qd7) 20. a4 Ne8 $2 {[%eval 425,24]} (20... Rfd8 {[%eval 218,21]} 21. Ba3 Na7) 21. Ba3 Nd6 22. Nb3 {[%eval 237,23]} (22. a6 $142 {[%eval 508,25]}) 22... Rfd8 23. Bc5 Qd7 24. Bb6 Nc4 {[%eval 370,22]} (24... Re8 $142 {[%eval 245,23]} 25. Nc5 Qe7) 25. Qc3 Re8 26. Nc5 Qe7 27. f3 $2 {[%eval 132,22]} (27. e4 $18 {[%eval 333,21]} Bxe4 28. Nxe4 Nxb6 29. axb6 dxe4 30. Bxe4) 27... e5 28. e4 {[%eval -6,26]} (28. f4 $16 {[%eval 100,22]} exf4 29. exf4) 28... exd4 29. Nxd4 Bg6 {[%eval 236,24]} (29... Nxd4 $11 {[%eval 16,23]} 30. Qxd4 Nxb6 31. axb6 dxe4 32. fxe4 Red8) 30. Nxc6 $1 (30. exd5 N6xa5 31. Rfe1 Be5 $11) 30... bxc6 (30... Rxc6 $6 31. exd5 Rxb6 (31... Rxc5 $2 32. Rfe1 $18 {[%mdl 64] Skewer}) 32. axb6 $16 (32. Qxc4 Rb2 $11)) 31. Rfe1 Be5 32. Qb4 Bd4+ 33. Kh1 Qd6 {[%eval 442,23]} (33... Bf2 {[%eval 179,23]}) 34. Red1 Bxc5 35. Qxc5 {[%eval 142,24]} (35. Bxc5 $18 {[%eval 432,24] is more deadly.} Qc7 36. a6 (36. exd5 cxd5 37. Bb6 Qc6 $16)) 35... Qxc5 $16 36. Bxc5 Nxa5 37. exd5 {[%eval 91,23]} (37. Bh3 $1 {[%eval 158,24][%cal Rh3c8]} Bh5 38. g4 (38. exd5 Bxf3+ 39. Kg1 Rcd8 $11)) 37... cxd5 {[#] And now ...Nb3 would win.} 38. Bb4 {[%eval 46,25] This pair of bishops is nice.} (38. Rxd5 Nb3 39. Rc3 Nxc5 (39... Re1+ $2 40. Bg1 $18) 40. Rcxc5 Re1+) (38. Bh3 $1 $16 {[%eval 89,24][%cal Rh3c8]} f5 39. Rxd5) 38... Nc6 $2 {[%eval 224,21] [#]} (38... Nc4 $14 {[%eval 46,25]}) 39. Bd2 {[%eval 118,25]} (39. Be1 $1 $18 {[%eval 224,21]}) 39... f6 $2 {[%eval 314,22]} (39... Nd4 $16 {[%eval 118,25] was worth a try.}) 40. Bf1 $2 {[%eval 8,25]} ({Better is} 40. Bh3 $18 {[%eval 314,22]} f5 41. a5) 40... Bf7 $2 {[%eval 519,25][%mdl 8192]} (40... Nd4 $11 {[%eval 8,25] and Black is okay.}) 41. Bb5 Re6 42. Re1 Rxe1+ 43. Rxe1 $2 {[%eval -1,23]} (43. Bxe1 $18 {[%eval 314,26]} Be8 44. a5) 43... Nd4 $11 44. Kg2 $2 {[%eval -687,24][%mdl 8192]} (44. Rc1 $11 {[%eval -1,25]} Rxc1+ 45. Bxc1) 44... Rc2 $19 {Black is clearly winning.} 45. Rc1 {Hoping for Rxc2.} Rxd2+ 46. Kf1 Be6 {Black used his chance.   Weighted Error Value: White=0.72/Black=0.77  Loses game:     	White=1     	Black=4      Missed win:     	White=4     	---        Mistake:       	White=5     	Black=7      Inaccurate:     	White=1     	Black=2      OK:         	White=10    	Black=8      Best:        	White=3     	Black=1      Strong:       	White=1     	---} ({Weaker is} 46... Nxf3 47. Rc8+ $11) 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "3"]
[Board "4"]
[White "Miyatani, Ryouhei"]
[Black "Ito, Katsuhide"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B22"]
[WhiteElo "1697"]
[BlackElo "1274"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "81"]
[GameId "2293415352863877"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,81,116,121,120,134,139,152,141,134,94,132,40,49,52,52,47,207,22,76,81,373,129,260,271,254,243,657,643,700,668,1411,1391,29986,29986,29986,29987,29986,29985,29988,831,1471,1002,29991,1001,986,979,1010,990,970,956,3537,29977,29978,3595,3597,29977,29980,3537,29976,3597,3583,29977,3597,3597,29978,29979,29979,29980,29980,29980,29988,29985,29985,29986] B22: Sicilian: 2 c3} 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 $146 (4. Qc2 e5 5. Bc4 (5. d3 Be7 6. Be2 O-O 7. O-O d5 8. a3 Be6 9. b4 a6 10. Nbd2 Rc8 11. Qb1 cxb4 12. axb4 d4 13. cxd4 Nxd4 14. Nxd4 Qxd4 15. Nf3 Qxb4 16. Nxe5 Rfd8 17. Be3 h6 18. d4 Rxd4 19. Bxd4 Qxd4 {1-0 Santos Ruiz,M (2596)-Zhigalko,S (2572) Titled Tuesday intern op 01st Feb-A Chess.com INT blitz 2022 (11)}) 5... Be7 (5... d6 6. a4 Be6 7. d3 d5 8. exd5 Nxd5 9. O-O f6 10. d4 cxd4 11. cxd4 Ndb4 12. Qb3 Bxc4 13. Qxc4 Nxd4 14. Nxd4 Qxd4 15. Qe6+ Be7 16. Nc3 Qd7 17. Qb3 O-O-O 18. Be3 Kb8 19. a5 Rc8 20. Rfd1 {1-0 Klyashtorny,V (2403)-Fawzy,A (2477) Titled Tuesday intern op 02nd Nov Chess.com INT blitz 2021 (3)}) 6. d3 O-O 7. Bg5 d5 8. Bxf6 dxc4 9. Bxe7 cxd3 10. Bxd8 dxc2 11. Bg5 cxb1=Q+ 12. Rxb1 Be6 13. b3 f6 14. Be3 Rfd8 15. Bxc5 a5 16. O-O a4 17. Rfc1 axb3 18. axb3 Ra2 {1/2 Firouzja,A (2759)-Zhigalko,S (2572) Titled Arena Apr 3rd Lichess.org INT blitz 2021}) (4. d4 Nxe4 5. d5 Nb8 6. Bd3 Nf6 7. c4 d6 8. O-O Bg4 9. Re1 Nbd7 10. Bf4 Qc7 11. Nc3 a6 12. h3 Bh5 13. g4 Bg6 14. Bxg6 hxg6 15. Ng5 Nh7 16. Nce4 Ne5 17. Nxh7 Rxh7 18. Ng5 Rh8 {1-0 Duda,J (2725)-Bharath,S (2561) Titled Tuesday intern op 22nd Jul Early Chess.com INT blitz 2025 (7)}) 4... Ng4 5. d4 cxd4 6. cxd4 e6 7. h3 Nh6 8. Bxh6 {White is clearly better.} gxh6 9. Bc4 {[%eval 94,24]} ({Better is} 9. Bd3 {[%eval 134,22]}) 9... d5 {[%eval 132,22] [#]} (9... d6 $142 {[%eval 94,24]}) 10. exd6 {[%eval 40,25]} (10. Bb5 $1 $16 {[%eval 132,22]}) 10... Qxd6 $14 11. O-O {Nc3 would now be deadly.} Bg7 {[%cal Oe8g8]} 12. d5 $36 {[%mdl 2048] White is more active.} Qc5 {[%eval 207,24]} (12... Bxb2 $14 {[%eval 47,25]} 13. Nbd2 exd5) 13. Bb3 $2 {[%eval 22,24]} ({White must play} 13. Qe2 $18 {[%eval 207,24]}) 13... Nd4 {[%eval 76,23]} (13... exd5 $1 $11 {[%eval 22,24]} 14. Nc3 (14. Bxd5 O-O $15) 14... O-O) 14. Nxd4 $16 {Black is on the road to losing.} Bxd4 {[%eval 373,24][%mdl 8192]} (14... Qxd4 $16 {[%eval 81,24]} 15. Nc3 O-O) 15. dxe6 $2 {[%eval 129,25]} (15. Nc3 $18 {[%eval 373,24] is the precise move to win.}) 15... fxe6 {[%eval 260,23]} (15... Bxe6 $16 {[%eval 129,25]} 16. Bxe6 fxe6) 16. Nd2 $18 O-O {[%cal Og8h8] [#]} 17. Rc1 $1 Bxf2+ {[%eval 657,26]} (17... Qb6 {[%eval 243,23]} 18. Nc4 Qd8) 18. Kh1 Qe5 19. Nf3 Rxf3 20. Qxf3 Qxb2 21. Rxc8+ {[%mdl 64] Remove Defender, Decoy} Rxc8 22. Bxe6+ Kh8 23. Bxc8 {[%cal Rf3f8]} Bc5 24. Qb3 {[%eval 831,22]} (24. Qf7 $142 {[%eval 32744,26]} Qd4 25. Qe8+ (25. Bxb7 Qd8 26. Re1 Be7 27. Rxe7 Qd1+ 28. Kh2 Qd6+ 29. g3 Qxe7 30. Qxe7 Kg8 31. Bd5+ {[%csl Oa7][%mdl 64] Discovered Attack} Kh8 32. Qf8#) 25... Kg7 26. Rf7+ (26. Bxb7 Qf6 27. Rxf6 Kxf6 28. Qc6+ {[%csl Oc5,Of6][%mdl 64] Skewer, Double Attack} Kf7 29. Qxc5 Ke6 30. Bd5+ Kd7 31. Qc6+ Ke7) 26... Kg6 27. Rf8+ (27. Bxb7 $2 Qg1#) (27. Rd7+ Kf6 28. Qh8+ Kg5 29. Rxd4 Bxd4 30. h4+ Kg6 31. Qf8 Bc5 32. h5+ {[%mdl 64] Decoy} Kxh5 33. Qf5+ Kh4 34. Qg4#) 27... Kg5 28. Rf5+ (28. Rg8+ Qg7 29. Qe5+ {[%csl Oc5,Og5,Og7][%mdl 64] Pin, Double Attack} Kh4 30. Qxg7 h5 31. Qg5#) 28... Kh4 29. Qh5+ Kg3 30. Rf3#) 24... Qg7 25. Bxb7 Bb6 26. Qf7 {[%eval 1001,32]} (26. Qb4 $142 {[%eval 32750,20]} Qg5 27. Qb2+ Kg8 28. Qb3+ Kg7 29. Qf7+ Kh8 30. Qe8+ Kg7 31. Qf8+ Kg6 32. Qf7#) 26... Qxf7 27. Rxf7 Bd4 28. Be4 Kg8 29. Rxh7 ({Stronger than} 29. Bxh7+ Kxf7 30. g3 Bf2 $11) 29... Bg7 {[#]} 30. Rxg7+ $1 Kxg7 {KB-KPP} 31. g4 Kf6 32. Kg2 Kg5 33. Kg3 Kf6 34. Kf4 Ke6 35. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Kf6 36. h5 {White threatens Bd5 and mate.} a6 {[%cal Ba7a6,Ba6a5][%mdl 32]} 37. Bd3 {White mates.} a5 38. a4 Ke6 39. g5 Kf7 40. gxh6 Kg8 41. Ke5 {Weighted Error Value: White=0.84/Black=1.58  Loses game:     	---       	Black=1      Missed win:     	White=2     	---        Mistake:       	White=2     	Black=5      OK:         	White=4     	Black=1      Best:        	White=1     	Black=2      Strong:       	White=1     	---} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "3"]
[Board "5"]
[White "Kaga, Kazuyuki"]
[Black "Nakamura, Mitsuru"]
[Result "1/2-1/2"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A08"]
[WhiteElo "1465"]
[BlackElo "1563"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "113"]
[GameId "2293415352863878"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,113,9,14,9,8,-1,54,54,71,60,68,0,105,105,90,88,92,64,81,74,133,130,150,88,136,125,191,168,182,124,209,196,211,70,72,74,348,323,384,296,275,273,326,294,469,477,463,426,557,560,508,-1,-5,-52,-50,-62,-60,-45,-47,-47,-41,-85,-140,-139,-136,-159,-131,-135,-132,-866,-857,-975,-968,-996,-894,-961,-1,0,-1,-1,-1,-1,-1,-1,-1,1,1,-1,-1,-1,-1,-1,1,-1,-1,-1,-1,-1,1,1,1,-1,-1,-1,-1,-16] A08: King's Indian Attack} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O e6 5. d3 h6 $146 (5... Bd6 6. Nbd2 d4 7. e4 dxe3 8. fxe3 Nc6 9. b3 O-O 10. Bb2 e5 11. Qe2 Bc7 12. Nh4 Bg4 13. Qf2 Nd5 14. a3 f5 15. h3 Bh5 16. Nxf5 g6 17. Nh6+ Kg7 18. Qxf8+ Qxf8 19. Rxf8 Rxf8 20. Bxd5 {1-0 Mortazavi,A (2333)-Lewicki,M (2348) Titled Tuesday intern op 09th Mar Chess.com INT blitz 2021 (9)}) (5... g6 6. e4 (6. c4 Bg7 7. cxd5 Nxd5 8. Qc2 Nd7 9. a3 O-O 10. e4 Ne7 11. Bg5 h6 12. Be3 Nc6 13. Rc1 b6 14. Qd2 Na5 15. Qc2 Bb7 16. Nbd2 Rc8 17. Rab1 Nc6 18. Nc4 Qe7 19. Qd2 Kh7 20. h4 Ba8 {1/2 Khotenashvili,B (2512)-Theissl Pokorna,R (2355) EU-chT (Women) 20th Reykjavik 2015 (9.1)}) 6... dxe4 7. dxe4 Qxd1 8. Rxd1 Nxe4 9. Ne5 Nf6 10. Na3 Nfd7 11. Nxd7 Nxd7 12. Nb5 Rb8 13. Nxa7 Bg7 14. Nxc8 Rxc8 15. Bxb7 Rc7 16. Bg2 Ke7 17. a4 Ra7 18. c3 Rb8 19. Ra2 h6 20. Bf4 {1-0 Grischuk,A (2736)-Nigalidze,G (2421) Titled Tuesday intern op 22nd Aug Early Chess.com INT blitz 2023 (4)}) 6. Nbd2 Nc6 7. e4 dxe4 {[%eval 54,23]} (7... Be7 $11 {[%eval -1,21]}) 8. dxe4 $14 {White is slightly better.} Be7 9. c3 O-O 10. a4 {[%eval 0,22]} (10. e5 $14 {[%eval 68,21]} Nd5 11. a3) 10... a5 {[%eval 105,24]} (10... e5 $11 {[%eval 0,22]}) 11. Qe2 e5 12. Nc4 Qc7 13. Nh4 {White is more active.} Be6 14. Nf5 Bxf5 {[%eval 133,21]} (14... Rfe8 $142 {[%eval 74,22]}) 15. exf5 $16 Rad8 16. Bxc6 {[%eval 88,26]} (16. Be3 {[%eval 150,24]}) 16... bxc6 {[%eval 136,25]} (16... Qxc6 $142 {[%eval 88,26]} 17. Nxe5 (17. Nxa5 Qc8 $14) 17... Qc8) 17. Nxe5 Bd6 {[%eval 191,24]} (17... Rd5 $16 {[%eval 125,24]} 18. Re1 Bd6) 18. Nc4 $18 Rfe8 19. Qf3 {[%eval 124,23]} ({White should play} 19. Be3 $18 {[%eval 182,24]}) 19... Bf8 {[%eval 209,24]} (19... Qb7 $16 {[%eval 124,23] was necessary.}) 20. Bf4 Qb7 21. Rab1 {[%eval 70,24]} (21. Nxa5 $18 {[%eval 211,24]} Qa6 22. Nxc6) 21... Qb3 $14 {[%csl LRa4,LRc4]} 22. Nxa5 {[%cal Bc4a5,Ba5c6,Bc6e5,Be5d7,Bd7b6][%mdl 32]} Qd5 {[%eval 348,24][%mdl 8192]} (22... Qxa4 $16 {[%eval 74,25]} 23. Qxc6 Qc2 (23... Qxa5 $2 24. Ra1 $18)) 23. Qxd5 $18 cxd5 24. Nc6 Rc8 25. Ne5 Bd6 26. Rfe1 Ne4 {[%eval 469,25]} (26... Ra8 $142 {[%eval 294,24]} 27. Ra1 c4) 27. Nd7 Bxf4 28. gxf4 Rc7 29. Nb6 Rd8 30. a5 $2 {[%eval -1,22]} (30. Nxd5 $18 {[%eval 508,22]} Rxd5 31. Rxe4) 30... Nd2 $11 31. Ra1 {[%eval -52,27]} (31. Rbd1 $11 {[%eval -5,27]} Nf3+ 32. Kf1 Nxe1 33. Rxe1) 31... Nf3+ $15 32. Kf1 Nxe1 33. Kxe1 {[%mdl 4096] Endgame KRR-KRN} Re8+ $1 34. Kf1 $1 d4 35. a6 {[%eval -85,27]} (35. Nc4 $15 {[%eval -41,23]}) 35... Ra7 $17 36. cxd4 cxd4 37. b4 {[#] Hoping for Nc4.} d3 38. Nc4 Re4 {[%csl LRc4,LRf4]} 39. b5 $2 {[%eval -866,25][%mdl 8192]} (39. Ne5 $17 {[%eval -132,25]} Rxb4 (39... Rxf4 $2 {is the wrong capture.} 40. b5 $18) 40. Nxd3 (40. Nc6 $2 Rxa6 {[%mdl 64] Deflection} 41. Rxa6 Rb1+ 42. Kg2 d2 $19)) 39... Rxc4 $19 40. b6 {[#]} Rxa6 $3 {[%mdl 512]} 41. Rxa6 {KR-KR. White is a pawn up.} (41. Rd1 Rd4) 41... Rc1+ 42. Kg2 Rb1 $2 {[%eval -1,30]} ({Better is} 42... d2 $19 {[%eval -961,27]} 43. b7 Rg1+ {[%mdl 64] Decoy, Promotion} (43... d1=B 44. Ra8+ Kh7 45. b8=Q) (43... d1=Q $2 44. b8=Q+ Kh7 45. Ra3 $19) 44. Kxg1 d1=Q+ (44... d1=B 45. Ra8+ Kh7 46. b8=Q h5 47. Qh8#) 45. Kg2 Qd5+ 46. Kg3 Qxb7) 43. Ra8+ {The position is equal.} Kh7 {[%cal Od3d2] And now ...d2! would win.} 44. Rd8 Rxb6 45. Rxd3 Rf6 46. Rd5 h5 47. Kf3 Kh6 48. Ke4 Ra6 49. Rd8 {[%cal Rd8h8]} Ra4+ 50. Rd4 Ra2 51. Kf3 Ra3+ 52. Kg2 Ra5 53. Rd6+ f6 54. Kf3 Rxf5 55. Ke4 Ra5 56. h4 Ra2 57. Ke3 {Never resign too early!   Weighted Error Value: White=0.39/Black=0.39  Loses game:     	White=1     	Black=1      Missed win:     	White=1     	---        Mistake:       	White=6     	Black=7      Inaccurate:     	White=1     	Black=1      OK:         	White=17    	Black=20     Best:        	White=1     	Black=1      Strong:       	White=1     	Black=1} 1/2-1/2

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "3"]
[Board "6"]
[White "Hong, Joon Young"]
[Black "Denta, Seiichi"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "D00"]
[BlackElo "1325"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "32"]
[GameId "2293415352863879"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,32,74,76,81,83,88,270,-97,-72,-96,-59,-319,-328,-327,-218,-213,361,363,364,318,399,429,440,449,458] D00: 1 d4 d5: Unusual lines} 1. d4 {[%cal Bd2d4,Bd4e5][%mdl 32]} d5 2. Nc3 Nf6 3. Bf4 Nc6 4. Nb5 e5 5. Bxe5 $146 (5. dxe5 Nh5 6. e3 Nxf4 7. exf4 g5 8. Qxd5 Be7 9. Qxd8+ Bxd8 10. fxg5 Nxe5 11. O-O-O a6 12. Re1 Bxg5+ 13. Kb1 axb5 14. Rxe5+ Be7 15. Bxb5+ Kf8 16. Bc4 Rg8 17. g3 Bf6 18. Re1 b5 19. Bd5 Ra6 {0-1 Fiorito,J (2376)-Korchmar,V (2438) Titled Tuesday intern op 03rd Jan Early Chess.com INT blitz 2023 (9)}) 5... Nxe5 6. dxe5 a6 {[#]} 7. Nc3 {White is more active.} Bb4 $2 {[%eval 270,21]} 8. a3 $2 {[%eval -97,20]} ({White has to play} 8. exf6 $18 {[%eval 270,21]} Qxf6 9. Qd3 (9. Qxd5 $2 {perishes.} Bxc3+ 10. bxc3 Qxc3+ 11. Qd2 Qxa1+ 12. Qd1 Qxa2 $19)) 8... Bxc3+ $17 9. bxc3 Ne4 {[%cal Oc7c5]} 10. Qd4 $2 {[%eval -319,23][%mdl 8192]} (10. e3 $15 {[%eval -59,22]}) 10... c5 $19 11. Qe3 O-O {and ...Qb6 would now be decisive} 12. f3 d4 $4 {[%eval 361,22][%mdl 8192] [#]} (12... Qh4+ $19 {[%eval -213,22] avoids the disaster.} 13. g3 Nxg3 14. hxg3 Qxh1) 13. Qxe4 $18 Qa5 14. Qd3 Be6 {[%cal Oa8d8]} 15. e4 Rad8 16. Ne2 b5 {Weighted Error Value: White=0.96/Black=1.03  Loses game:     	White=1     	Black=1      Missed win:     	White=1     	Black=1      Inaccurate:     	---       	Black=1      OK:         	White=6     	Black=4      Best:        	---       	Black=1} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "3"]
[Board "7"]
[White "Nishimori, Toshiyuki"]
[Black "Suzuki, Tsukumo"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B23"]
[WhiteElo "1656"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "75"]
[GameId "2293415352863880"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 12,75,-4,-6,51,30,44,37,71,57,64,46,69,67,57,45,44,46,244,-203,-219,-382,-392,-425,-408,-435,7,17,340,354,574,570,857,811,896,912,911,906,900,892,908,752,910,750,931,774,906,704,932,911,948,943,957,962,1143,1119,1275,1155,1250,1118,2086,1631,3390,3405,29983,29984] B23: Closed Sicilian: Lines without g3} 1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 Nc6 5. d3 e6 6. Nge2 Be7 7. O-O g6 $146 {[%eval 51,22]} (7... O-O $11 {[%eval -6,19]}) (7... a6 8. f4 Qc7 9. f5 Bd7 10. Nf4 Ne5 11. fxe6 fxe6 12. Bh3 Qc8 13. b3 b5 14. Bb2 O-O 15. Qe2 g5 16. Nh5 Qe8 17. Nxf6+ Bxf6 18. Nd1 Qg6 19. Rb1 Qg7 20. Kh1 a5 21. Ne3 a4 22. Rxf6 {1/2 Radulski,J (2470)-Poluljahov,A (2480) YUG-chT Vrnjacka Banja 1996}) (7... Rb8 8. f4 Nd7 (8... Bd7 9. h3 (9. f5 e5 10. h3 h6 11. g4 Nh7 12. Nd5 Bg5 13. c3 Ne7 14. Bxg5 hxg5 15. f6 Nxf6 16. Nxf6+ gxf6 17. Rxf6 Ng6 18. Rf2 Qb6 19. Qd2 Nf4 20. Nxf4 gxf4 21. d4 cxd4 22. cxd4 Rc8 23. Rd1 Be6 {0-1 Szuk,B (2415)-Sarkozy,L (2370) SVK-chT2E 9900 Slovakia 1999}) 9... b5 10. Qe1 Qc7 11. Nd1 d5 12. g4 Nb4 13. Ne3 d4 14. a3 Nc6 15. Nd1 h6 16. c3 dxc3 17. bxc3 b4 18. c4 O-O 19. Ne3 Rfd8 20. Bb2 Be8 21. Nc1 Nd4 22. Qf2 bxa3 23. Rxa3 {1-0 Gusain,H (2371)-Karthik,V (2515) New Delhi Parsvnath op-A 17th 2019 (4)}) 9. Be3 O-O 10. d4 cxd4 11. Nxd4 a6 12. a4 Qc7 13. Qd2 Nxd4 14. Bxd4 b6 15. f5 Ne5 16. f6 Bxf6 17. Rxf6 gxf6 18. Rf1 Qe7 19. Qh6 Bb7 20. Rxf6 Ng6 21. Qg5 Rfe8 22. h4 {1-0 Sutovsky,E (2651)-Ehlvest,J (2600) Reykjavik Edda rapid 2003 (4)}) 8. a3 h5 9. h3 e5 {White is slightly better.} 10. f4 {[%cal Ob2b4]} Bd7 11. Be3 Nd4 12. Qd2 $1 Qc8 13. fxe5 dxe5 14. Bg5 Ng8 {[%eval 244,24]} (14... Qd8 $14 {[%eval 46,22]}) 15. Nd5 $4 {[%eval -203,24][%mdl 8192]} (15. Nxd4 $18 {[%eval 244,24] and all is fine.} cxd4 16. Nd5) 15... Nxe2+ $19 {[%mdl 64] [#] Deflection} 16. Qxe2 $2 {[%eval -382,21]} (16. Kf2 {[%eval -219,23]} Nd4 (16... Bxh3 17. Bxe7 Bxg2 18. Kxg2 $15) 17. Bxe7 Nxe7 18. Qg5) 16... Bxg5 17. Qf2 Be6 {[%cal Oh5h4]} (17... Bxh3 18. Qxf7+ Kd8 19. Qf8+ (19. Qxg6 Be7 $18) 19... Kd7 20. Bxh3+ Kc6 21. Bxc8) 18. c4 Ne7 $2 {[%eval 7,21]} ({Worse is} 18... Bxh3 19. Qxf7+ Kd8 20. Qf8+ (20. Qxg6 Be7 $18) 20... Kd7 21. Bxh3+ Kc6 22. Bxc8 Rxc8 23. Qxc8+ Kd6 24. Rf7 (24. Qxb7 Ne7 25. Nxe7 Bxe7 26. Rf7 Re8 27. Raf1 h4 28. R1f6+ Bxf6 29. Qd7#) (24. Qc7+ Ke6 25. Rf7 Be3+ 26. Nxe3 Rh6 27. Qd7#) 24... Ne7 25. Qc7+ (25. Qxh8 Kd7 26. Rxe7+ {[%mdl 64] Back Rank} Bxe7 27. Qg7 Kc8 28. Qxe7 Kb8 29. Qf8#) 25... Ke6 26. Rxe7+ Bxe7 27. Qxe7#) ({Black should play} 18... h4 $19 {[%eval -435,21]} 19. g4 Ne7) 19. h4 $11 Bh6 {[%eval 340,18][%mdl 8192]} (19... Nxd5 $1 $11 {[%eval 17,22] and Black stays safe.} 20. exd5 Be7 21. dxe6 f5) 20. Qf6 $1 $18 {[%csl Gd5,LRe5,LRe7,LRh8][%cal Rf6e7] [#]} Bxd5 $2 {[%eval 574,23]} (20... Nxd5 {[%eval 354,22]} 21. Qxh8+ Ke7 22. Qxh6 Nb6 23. Qg5+ Kd6) 21. Qxh8+ Bf8 22. exd5 Qg4 23. Qxe5 Qd4+ 24. Qxd4 cxd4 25. Rae1 Rd8 26. Re4 Bh6 27. Kh2 (27. Rxd4 Be3+ 28. Kh2 Bxd4 $17) 27... Be3 28. Bh3 f5 29. Re6 {and d6 should not be overlooked} Kd7 30. b4 Rf8 31. Bg2 g5 32. c5 f4 33. hxg5 fxg3+ 34. Kxg3 Rxf1 35. Bxf1 Nf5+ 36. Kf3 h4 37. Bh3 Ng3 38. Rxe3+ {What a bad dream for Black.   Weighted Error Value: White=0.82/Black=1.24  Loses game:     	---       	Black=2      Missed win:     	White=1     	Black=1      Mistake:       	White=1     	Black=1      Inaccurate:     	---       	Black=2      OK:         	White=1     	Black=3      Best:        	White=3     	Black=1} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "3"]
[Board "8"]
[White "Shishido, Kenta"]
[Black "Hisaeda, Heron Masaru"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B01"]
[WhiteElo "1523"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "67"]
[GameId "2293415352863881"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,66,223,216,198,236,229,425,397,408,365,806,792,803,784,851,758,788,750,821,794,789,791,787,767,882,874,903,833,982,946,1026,993,1025,951,1109,1044,1327,1091,1500,1251,29987,29988,29989,3586,3183,2006,29990,29989,29992,29984,29996,29997,29997,29998,29998,29999,29999,29999,29999] B01: Scandinavian Defence} 1. e4 d5 2. exd5 c6 3. dxc6 bxc6 $146 (3... e5 4. Bc4 (4. Nc3 Nxc6 5. Nf3 f5 6. d3 Nf6 7. Bg5 Be7 8. Be2 O-O 9. O-O h6 10. Bxf6 Bxf6 11. Re1 b6 12. Bf1 Bb7 13. g3 Qc7 14. Bg2 Rad8 15. Nd2 g5 16. Nd5 Qf7 17. Nxf6+ Qxf6 18. Nc4 g4 {1/2 Aitbayev,A (2475)-Zakaryan,D (2335) Titled Arena 2nd Jan Lichess.org INT blitz 2021}) 4... Nxc6 5. Nc3 Bc5 6. Nf3 Bg4 7. O-O Nf6 8. Be2 O-O 9. d3 h6 10. Ne4 Nxe4 11. dxe4 Qb6 12. c3 a6 13. Qb3 Qa7 14. h3 Bh5 15. Qc2 Rad8 16. b4 Bb6 17. a4 a5 18. b5 {1-0 Martin Fuentes,A (2376)-Moroni,L (2546) Titled Tuesday intern op 27th May Late Chess.com INT blitz 2025 (9)}) 4. Nf3 Ba6 5. Bxa6 Nxa6 6. c3 Qc7 7. O-O O-O-O $2 {[%eval 425,21] [#]} (7... e6 {[%eval 229,23]} 8. d4 Nb8) 8. b4 {White is clearly winning.} Nf6 9. Qa4 Ng4 $2 {[%eval 806,21]} (9... Nb8 {[%eval 365,20]} 10. d4 Kd7) 10. Qxa6+ $18 Kb8 11. d4 f6 12. g3 e5 {[%cal Be7e5,Be5e4][%mdl 32]} 13. h3 {[%cal Bh2h3,Bh3g4][%mdl 32]} e4 14. hxg4 exf3 15. Bf4 Bd6 16. Bxd6 Qxd6 17. Nd2 Qd7 18. Nxf3 Qxg4 19. Qxc6 Rc8 20. Qb5+ Ka8 21. Qd3 Rhe8 22. Rfe1 h6 {[%cal Bh7h6,Bh6h5][%mdl 32]} 23. d5 h5 24. d6 {[#]} Rcd8 25. Rxe8 Rxe8 26. d7 {[%eval 3586,25]} (26. Qd5+ $142 {[%eval 32746,24]} Kb8 27. Qb5+ Kc8 28. Qxe8+ Kb7 29. d7 Qf4 30. Qc8+ (30. gxf4 f5 31. Qc8+ Kb6 32. d8=Q+ {[%csl Of5][%mdl 64] Discovered Attack} Kb5 33. Qa5#) 30... Kb6 31. d8=Q+ (31. gxf4 g6 32. d8=Q+ Kb5 33. Qa5#) 31... Qc7 32. Qdxc7+ Kb5 33. Qc6#) 26... Rd8 27. Rd1 {Intending Qd5+ and mate.} Kb8 28. Qd6+ {White mates.} Ka8 {[%cal Bb8a8,Ba8b7,Bb7b6,Bb6b5,Bb5a4][%mdl 32]} 29. Qe7 Qxf3 30. Qxd8+ Kb7 31. Qc8+ Kb6 32. Rd6+ Kb5 33. Qc5+ Ka4 34. Ra6# {Black got outplayed after the opening.   Weighted Error Value: White=0.23 (precise) /Black=0.85  Mistake:       	---       	Black=2      OK:         	White=1     	---} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.21"]
[Round "3"]
[Board "9"]
[White "Yajima, Machiko"]
[Black "Hisaeda, Masaru"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A05"]
[WhiteElo "1323"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "42"]
[GameId "2293415352863882"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,42,-2,26,9,32,3,5,-12,60,8,50,45,168,-215,227,-65,252,-617,-600,-748,-606,-753,-732,-940,-683,-691,-584,-866,-721,-914,-826,-969,-842,-884,-279] A05: Réti Opening: 1 Nf3 Nf6} 1. Nf3 Nf6 2. d3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O e6 $146 (5... c6 6. c3 d5 7. Bg5 Bg4 8. Bxf6 Bxf6 9. Nbd2 Nd7 10. Qc2 Bxf3 11. Nxf3 Qc7 12. e4 dxe4 13. dxe4 Rad8 14. Rad1 e5 15. h4 h5 16. Bh3 Nb6 17. Kg2 Kg7 18. b3 Qe7 19. Rxd8 Rxd8 20. Rd1 {1/2 Megaranto,S (2540)-Muhammad,L (2342) Golden Sands Europe op 3rd 2014 (2)}) (5... b6 6. Nbd2 Bb7 7. e4 d6 8. Re1 (8. a4 a6 9. Nc4 Nbd7 10. h3 c5 11. Bd2 Qc7 12. Re1 Rfe8 13. Qc1 e5 14. Bh6 d5 15. exd5 Nxd5 16. h4 b5 17. Bxg7 Kxg7 18. Ne3 N7f6 19. b3 Nxe3 20. Rxe3 h6 21. axb5 axb5 22. Rxa8 Bxa8 {0-1 Aravindh,C (2731)-Vardanyan,A (2333) Titled Tuesday intern op 01st Apr Early Chess.com INT blitz 2025 (4)}) 8... c5 9. e5 dxe5 10. Nxe5 Bxg2 11. Kxg2 Qd5+ 12. Qf3 Rd8 13. a4 Qxf3+ 14. Ndxf3 Nd5 15. a5 b5 16. a6 Nb4 17. Re2 N4xa6 18. h4 Nb4 19. h5 N4c6 20. h6 {1-0 Hansen,E (2606)-Dubov,D (2710) Titled Arena Apr 3rd Lichess.org INT blitz 2021}) (5... Re8 6. e4 e5 7. Nc3 c6 8. d4 exd4 9. Nxd4 d6 10. Nb3 a5 11. a4 Bg4 12. Qd3 Na6 13. Bf4 d5 14. h3 Be6 15. Rad1 Qc8 16. exd5 Nb4 17. Qd2 Nfxd5 18. Ne4 Rd8 19. Nbc5 Nxf4 20. Qxf4 {1-0 Turner,M (2545)-Zhou,Y (2461) BCF-chT1b 1718 (4NCL) England 2017 (1.61)}) (5... Nc6 6. e4 d5 7. Qe2 dxe4 8. dxe4 e5 9. Rd1 Qe7 10. h3 Rd8 11. Bg5 Be6 12. Nc3 Nd4 13. Nxd4 exd4 14. Nb5 Qc5 15. e5 Bc4 16. Qe1 Re8 17. Bxf6 Bxf6 18. Nxd4 Bxe5 19. Qd2 Rad8 20. c3 {0-1 Espinosa Veloz,E (2485)-Korobov,A (2692) Titled Tuesday intern op 12th Jan Chess.com INT blitz 2021 (3)}) 6. c3 Nc6 7. Bf4 d6 8. Qc1 {The position is equal.} b5 {[%eval 60,22]} (8... e5 $11 {[%eval -12,22]} 9. Bg5 Bg4) 9. Bg5 {[%eval 8,18]} (9. a4 $14 {[%eval 60,22]}) 9... Ba6 {[%eval 50,24]} (9... Rb8 $11 {[%eval 8,18]}) 10. b4 h6 {[%eval 168,22]} 11. Nh4 $4 {[%eval -215,21][%mdl 8192] [#]} (11. Bxh6 $18 {[%eval 168,22] and all is fine. Hoping for a4.} Bb7 12. a4) 11... Ne5 $4 {[%eval 227,23][%mdl 8192]} 12. Bxa8 $2 {[%eval -65,25]} ({Much less strong is} 12. Bxh6 d5 13. Bxg7 Kxg7) ({Better is} 12. Bxf6 $18 {[%eval 227,23]} Bxf6 (12... Qxf6 $2 13. Qa3 $18) 13. Qa3 (13. Qxh6 $2 Bg5 $19)) 12... Qxa8 {[%eval 252,22][%mdl 8192] [#]} (12... hxg5 $15 {[%eval -65,25] stays ahead.} 13. Nxg6 Nxg6) 13. e4 $4 {[%eval -617,23][%mdl 8192]} hxg5 $19 {Black is clearly winning.} 14. Ng2 d5 15. Qe3 dxe4 16. d4 Nc4 17. Qc1 {[#]} e3 $1 {Dodges Nd2} 18. fxe3 (18. Nxe3 Nxe3) 18... Ng4 {White must now prevent ...Bb7.} 19. Re1 Bb7 20. Qc2 f5 21. h3 {[#]} Nb6 $2 {[%eval -279,24][%mdl 32768] Weighted Error Value: White=1.60/Black=1.15 Loss on time!?  Loses game:     	---       	Black=1      Missed win:     	White=3     	Black=1      Mistake:       	White=1     	Black=3      Inaccurate:     	White=1     	---        OK:         	---       	Black=2} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "4"]
[Board "1"]
[White "Dryglas, Maciej"]
[Black "Kim, Changhyung"]
[Result "1/2-1/2"]
[Annotator "Tactical Analysis 7.0"]
[ECO "C11"]
[WhiteElo "2142"]
[BlackElo "1838"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "39"]
[GameId "2293415352863883"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,39,16,6,38,33,25,67,18,40,23,81,84,85,-1,1,1,1,1,11,13,38,-1,-1,-381,-405,-440,-445,-416,-437,-435,-407,-531] C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} 1. Nc3 e6 2. e4 d5 3. d4 Be7 4. Nf3 Nf6 5. e5 Nfd7 6. Ne2 (6. h4 c5 7. dxc5 Nc6 8. Bf4 Nxc5 9. a3 f6 10. Bd3 fxe5 11. Nxe5 O-O 12. Bg3 Nxe5 13. Bxe5 Qb6 14. Qe2 Qxb2 15. Bxh7+ Kxh7 16. Nxd5 Qxe5 17. Qxe5 Rf5 18. Qc7 Rxd5 19. Qxe7 Bd7 20. h5 Re5+ {1-0 Cornette,M (2573)-Narciso Dublan,M (2534) Montcada op 17th 2009 (5)}) 6... c5 7. c3 Qa5 {[%eval 67,22]} (7... Nc6 $11 {[%eval 25,21]}) 8. dxc5 $146 {[%eval 18,23]} (8. a3 $1 $14 {[%eval 67,22] was preferable.}) (8. Bd2 Qb6 9. Qc2 Nc6 10. g3 O-O 11. Bg2 Re8 12. O-O Nf8 13. Rfe1 Bd7 14. Rad1 a5 15. Be3 Qc7 16. Nf4 cxd4 17. cxd4 Rec8 18. Qb1 a4 19. Rc1 Qb6 20. a3 Na5 21. Nd2 Bb5 22. h4 Ng6 {1-0 Aryan,C (2627)-Rahman,Z (2427) Abu Dhabi op 28th 2022 (7)}) 8... Qxc5 $11 9. Ned4 a6 {[%eval 81,23]} (9... Nc6 $11 {[%eval 23,22] remains equal.}) 10. Bd3 $16 Qc7 11. O-O {[%eval -1,21] White is more active.} (11. Bf4 $16 {[%eval 85,24]}) 11... Nxe5 $11 12. Nxe5 Qxe5 13. Re1 Qd6 14. Qg4 g6 (14... O-O {with more complications.} 15. Bh6 Bf6 16. Qh5 g6) 15. Bf4 {[%eval -1,21]} (15. Bh6 $1 $14 {[%eval 38,24]}) 15... Qd8 16. Nxe6 $2 {[%eval -381,21][%mdl 8192] [#] White does not recover from this.} Bxe6 $19 ({Inferior is} 16... fxe6 17. Bxg6+ hxg6 18. Qxg6+ Kf8 19. Re3 $16) 17. Rxe6 fxe6 18. Re1 {[%cal Od3g6]} Qd7 19. Rxe6 {[%cal Od3g6]} Nc6 {Strongly threatening ...Rf8.} 20. Qe2 {[%mdl 32768] Weighted Error Value: White=0.65/Black=0.12 (very precise)  An unexpected result.  Loses game:     	White=1     	---        Mistake:       	White=3     	Black=2      Inaccurate:     	White=1     	---        OK:         	White=5     	Black=4      Best:        	White=1     	Black=2} 1/2-1/2

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "4"]
[Board "2"]
[White "Sugimoto, Koichi"]
[Black "Furuse, Mizuki"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A58"]
[WhiteElo "1864"]
[BlackElo "1761"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "68"]
[GameId "2293415352863884"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 24,68,59,50,87,25,66,58,61,56,84,59,103,1,1,1,34,-307,-285,-270,-206,-481,-444,-637,-507,-999,-982,-1008,-982,-999,-982,-986,-937,-1043,-1032,-1041,-981,-1333,-1181,-2649,-2361,-29989,-29990,-29989,-1323,-2691,-1782] A58: Benko/Volga Gambit: Lines with 5 bxa6} 1. d4 c5 2. d5 Nf6 3. c4 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 d6 8. Bg2 Bg7 9. Nf3 O-O 10. O-O Nbd7 11. Rb1 Qa5 12. Bd2 Rfb8 13. b3 Qc7 {[%eval 87,20]} (13... Ne8 $14 {[%eval 50,22]} 14. Na4 Qd8) (13... Qa3 14. Qc2 Nb6 15. Bc1 Qa5 16. Rd1 Ne8 17. Bd2 Qa3 18. e4 Bc8 19. h3 Bd7 20. Bc1 Qa5 21. Bd2 Qa3 22. Bc1 Qa5 23. Bb2 Nc7 24. a3 Qa6 25. Bf1 Qc8 26. Kh2 f5 27. Ra1 Qf8 28. Rd2 {0-1 Avrukh,B (2588)-Ponomariov,R (2616) EU-chT (Men) 12th Batumi 1999 (6.3)}) (13... Ng4 14. Qc2 c4 15. Na4 cxb3 16. axb3 Qb5 17. h3 Rc8 18. Qd1 Nh6 19. Bxh6 Bxh6 20. Nd4 Qb7 21. Nc6 Nb8 22. Nc3 Bg7 23. Rc1 Kf8 24. Re1 Qb6 25. Na4 Qb7 26. Nc3 Qb6 27. Qc2 Bb7 28. Na4 {1-0 Garv,G (2388)-Spasic,P (2354) Pozarevac Rudar GM 11 2024 (7)}) 14. a4 {[%eval 25,22]} (14. Re1 $16 {[%eval 87,20]}) 14... Nb6 $146 {[%eval 66,22]} (14... Rb6 $11 {[%eval 25,22] was preferable.}) (14... Ra7 15. Re1 Rab7 16. Bf1 Ne8 17. e4 Bxf1 18. Rxf1 Qc8 19. Nb5 Nc7 20. Na3 Nf6 21. Re1 Qg4 22. Bf4 Nh5 23. Bg5 f6 24. Bd2 f5 25. h3 Qxh3 26. Ng5 Qg4 27. Qxg4 fxg4 28. Ba5 Na6 29. Nb5 {1/2 Antic,D (2435)-Milanovic,V (2350) YUG-chT Niksic 1996}) 15. Nh4 Bb7 {White is slightly better.} 16. e4 Ba6 {[%cal Oa6d3]} 17. Re1 Nbd7 {[%eval 103,23]} (17... Nfd7 $14 {[%eval 59,22]}) 18. f4 {[%eval 1,23]} (18. Nf3 $16 {[%eval 103,23]}) 18... c4 $11 {Threatens to win with ...Rxb3.} 19. b4 Rxb4 $1 {[%mdl 64] [#] Remove Defender, Decoy} 20. e5 $2 {[%eval -307,26][%mdl 8192] White does not recover from this.} (20. Rxb4 $14 {[%eval 34,21] was the only good move.} Qc5+ 21. Kh1 Qxb4 22. e5) 20... Rxb1 $19 21. Qxb1 Rb8 22. Qc2 {[%eval -481,22]} (22. Nb5 {[%eval -206,20]} Bxb5 (22... dxe5 $2 {is the wrong capture.} 23. Nxc7 Rxb1 24. Rxb1 $18) 23. exf6) 22... dxe5 23. fxe5 {[%eval -637,22]} (23. Kh1 $142 {[%eval -444,19]} Ng4 24. Nd1) 23... Ng4 24. Bf4 {[%eval -999,21]} (24. h3 $142 {[%eval -507,20]} Ngxe5 25. Kh2) 24... Qc5+ 25. Kh1 Nf2+ 26. Kg1 Nd3+ {[%csl Og1][%mdl 64] [#] Discovered Attack (Check), Double Attack} 27. Be3 Nxe1 28. Qe2 Qa5 29. Qxe1 Nxe5 30. Bd2 Nd3 31. Qxe7 Bxc3 32. Bh6 Bd4+ 33. Be3 Bxe3+ {[%eval -1323,5]} (33... Qe1+ $142 {[%eval -32745,24]} 34. Bf1 Bxe3+ 35. Qxe3 Qxe3+ 36. Kh1 Qf2 (36... Rb1 {is a self mate.} 37. Kg2 Qf2+ 38. Kh3 Bc8+ 39. Nf5 Qxf5+ 40. Kh4 Qh5#) 37. h3 Qxf1+ 38. Kh2 Rb2+ 39. Ng2 Rxg2#) 34. Qxe3 Qe1+ {Weighted Error Value: White=1.53/Black=0.37  Loses game:     	White=1     	---        Mistake:       	White=5     	Black=2      OK:         	White=2     	Black=3      Best:        	White=1     	Black=1      Strong:       	---       	Black=1} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "4"]
[Board "3"]
[White "Honda, Yoshiki"]
[Black "Miyatani, Ryouhei"]
[Result "1/2-1/2"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B40"]
[WhiteElo "1824"]
[BlackElo "1697"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "61"]
[GameId "2293415352863885"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,61,11,12,-19,-16,-17,36,-14,59,66,60,0,73,63,63,-51,-39,-182,-199,-180,-102,-92,-111,-139,-109,-226,-118,-148,-122,-245,-222,-283,-216,-217,-83,-101,1,15,17,1,38,-1,44,-106,-2,-161,-1,-1,1,-129,1,1,1,-134] B40: Sicilian: 2...e6, Unusual lines} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d5 6. e5 Nd7 7. Bf4 g6 {[%eval 36,22]} (7... Be7 $11 {[%eval -17,21]}) 8. O-O {[%eval -14,23]} (8. Qe2 $14 {[%eval 36,22]}) 8... Bg7 {[%eval 59,20]} (8... Be7 $11 {[%eval -14,23]}) 9. Re1 $14 O-O 10. h4 $146 {[%eval 0,20]} (10. c3 $14 {[%eval 60,19]}) (10. Nbd2 f6 11. exf6 Nxf6 12. Ne5 Nxe5 13. Bxe5 Bh6 14. h4 Rf7 15. Bh3 Bd7 16. f4 Qb6 17. Nf3 Re8 18. Qd2 Nh5 19. Kh2 Bc8 20. a3 Ng7 21. b4 Nf5 22. Bxf5 Rxf5 23. Qf2 Bf8 24. c3 Qc6 {1/2 Pap,M (2422)-Todorov,O (2381) Belgrade TS10 GM 2001 (1)}) 10... h6 {[%eval 73,21]} (10... f6 $11 {[%eval 0,20] keeps the balance.}) 11. c4 $16 dxc4 12. Qc1 {[%eval -51,25]} (12. dxc4 Ndxe5 13. Nxe5 Qxd1 14. Rxd1 Nxe5 $16 (14... Bxe5 15. Bxe5 Nxe5 16. b3 $11)) (12. Nc3 $14 {[%eval 63,23]}) 12... Nb4 $15 (12... cxd3 {is more complex.} 13. Bxh6 Ndxe5 14. Nxe5 d2) 13. Bf1 {[%eval -182,22]} (13. Bxh6 $2 Nxd3 14. Qe3 Nxe1 15. Nxe1 Bxh6 (15... Nxe5 $2 16. Bxg7 Ng4 17. Qe2 $18) 16. Qxh6 Nxe5 $19) ({Better is} 13. dxc4 $15 {[%eval -39,21]} Nd3 14. Qe3 Nxe1 15. Qxe1) 13... cxd3 $19 (13... Nxd3 14. Bxd3 cxd3 15. Bxh6 $17) 14. Bxh6 b6 {[%eval -102,23]} (14... b5 $19 {[%eval -180,23]} 15. Bxg7 Kxg7) 15. Bxg7 $17 Kxg7 16. Na3 Bb7 17. Bg2 {[%eval -226,21]} (17. Qf4 $17 {[%eval -109,22]}) 17... Nb8 {[%eval -118,22]} (17... b5 $19 {[%eval -226,21]} 18. Qd2 Bxf3 19. Bxf3 Rb8) 18. Qd2 Bd5 {[%cal Od8e7] Dodges Nc4} 19. b3 {[%eval -245,21]} (19. Ng5 $17 {[%eval -122,21] was called for.}) 19... N8c6 20. Re3 Rc8 21. Rd1 a6 {[%eval -83,22] Against Nb5} (21... Nd4 $1 $19 {[%eval -217,21] And now ...Bxf3 would win.} 22. Nc4 Bxf3 23. Bxf3 Nf5) 22. Nc4 Bxf3 {[%eval 1,25]} (22... b5 $17 {[%eval -101,21]} 23. Nd6 c4 24. bxc4 bxc4 25. Nxc8 Qxc8) 23. Bxf3 $11 Nd4 24. Nd6 {[%mdl 1024] Repels Nf5. White has compensation.} Rc7 {[%eval 38,25]} (24... Nf5 $11 {[%eval 1,23]}) 25. Bg2 {[%eval -1,23]} (25. Be4 f5 26. exf6+ Rxf6 $15 (26... Qxf6 27. Bg2 $11)) (25. a3 $1 $14 {[%eval 38,25] might be stronger.} Nbc6 (25... Nxb3 26. Qb2 $16) 26. Bxc6 (26. Rxd3 $2 Nxe5 27. Be4 Qxd6 $19) 26... Rxc6 27. Qxd3 (27. Rxd3 Rxd6 28. exd6 Qxd6 $14)) 25... Rd7 {[%eval 44,22]} (25... Nf5 $11 {[%eval -1,23]}) 26. f4 {[%eval -106,24]} (26. a3 $1 $14 {[%eval 44,22]} Nbc2 (26... Nxb3 $2 {loses.} 27. Qb2 $18) 27. Rxd3 Nxa3 28. Rxd4 cxd4 29. Qxd4) 26... a5 {[%eval -2,22]} (26... Nf5 $1 $17 {[%eval -106,24][%cal Rf5d6]} 27. Nxf5+ gxf5 (27... exf5 28. a3 $11)) 27. Bf1 $2 {[%eval -161,25] [#]} (27. Be4 Rxd6 28. exd6 Qxd6 $15) (27. a3 $1 $11 {[%eval -2,22]} Nbc2 (27... Nxb3 28. Qb2 $18) 28. Rxd3 Nxa3 29. Rxd4 cxd4 30. Qxd4) 27... Qa8 $2 {[%eval -1,24]} (27... Nf5 $1 $19 {[%eval -161,25][%cal Rf5d6]} 28. Nxf5+ gxf5) 28. Bg2 $1 Qd8 29. Bf1 {[%cal Od2f2] [#]} (29. Be4 Rxd6 30. exd6 Qxd6 $15) 29... Qa8 {[%eval 1,24]} ({Black should try} 29... Nf5 $1 $17 {[%eval -129,24][%cal Rf5d6]} 30. Nxf5+ gxf5) 30. Bg2 Qd8 31. Bf1 {And White is the lucky defender.   Weighted Error Value: White=0.46/Black=0.54  Mistake:       	White=9     	Black=12     OK:         	White=7     	Black=7      Best:        	White=1     	Black=1      Strong:       	White=1     	---} (31. Be4 Rxd6 32. exd6 Qxd6 $15) 1/2-1/2

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "4"]
[Board "4"]
[White "Kaga, Kazuyuki"]
[Black "Hong, Joon Young"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A07"]
[WhiteElo "1465"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "57"]
[GameId "2293415352863886"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,56,-10,-6,-9,-8,-12,154,75,101,-37,-27,-1,107,98,104,100,116,90,101,97,101,97,159,175,171,194,179,183,200,220,229,218,188,49,82,98,88,77,3470,2214,29994,29995,29996,1197,29997,1182,29998,29999,29999] A07: Réti Opening: New York and Capablanca Systems} 1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Be6 5. O-O Qd7 6. c3 (6. Ng5 Bg4 7. h3 Bh5 8. Nc3 d4 9. Nb1 h6 10. Nf3 f5 11. c3 dxc3 12. Nxc3 Nf6 13. Qb3 Rb8 14. Be3 Bd6 15. d4 Bf7 16. Qa4 e4 17. Nd2 O-O 18. Nc4 a6 19. Nxd6 cxd6 20. Rfc1 b5 {1-0 Duda,J (2739)-Durarbayli,V (2612) Titled Tuesday intern op 04th Mar Late Chess.com INT blitz 2025 (4)}) 6... Bh3 7. e4 $146 {[#]} (7. b4 f6 8. e4 Bxg2 9. Kxg2 Nge7 10. Nbd2 dxe4 11. dxe4 a5 12. b5 Nd8 13. a4 Nc8 14. Nb3 Qxd1 15. Rxd1 Nb6 16. Nfd2 Ne6 17. Nf1 Nc5 18. Nxc5 Bxc5 19. Be3 Bxe3 20. Nxe3 Rd8 21. c4 Rxd1 {0-1 Movsziszian,K (2474)-Sosa,T (2541) Valencia Cuna op 2021 (5)}) 7... d4 {[%eval 154,23]} (7... Bxg2 $11 {[%eval -12,21]} 8. Kxg2 O-O-O) 8. cxd4 {[%eval 75,22]} (8. Nxe5 $142 {[%eval 154,23]} Nxe5 9. Qh5) 8... exd4 9. Bf4 {[%eval -37,22]} (9. Bxh3 $16 {[%eval 101,21]} Qxh3 10. Qb3) 9... Bxg2 $15 10. Kxg2 Bd6 {[%eval 107,20]} (10... Nge7 $11 {[%eval -1,23]}) 11. Bxd6 $16 Qxd6 12. Qb3 b6 13. Nbd2 Nge7 14. Rac1 O-O 15. Rfe1 {White is more active.} Ne5 {[%eval 159,26]} (15... Ng6 $142 {[%eval 97,21]}) 16. Nxe5 Qxe5 17. Nf3 {Repels c5} Qd6 18. e5 Qd7 19. e6 fxe6 20. Rxe6 (20. Qxe6+ Qxe6 21. Rxe6 Nd5 22. Nxd4 Rf7) 20... Nd5 21. Rce1 {[%eval 49,25]} ({Don't do} 21. Nxd4 $6 Kh8 $16) ({Better is} 21. Rcc6 $18 {[%eval 188,23]}) 21... c5 22. R6e5 Rad8 23. Ng5 $36 {[%cal Bf3g5,Bg5f7,Bf7h6][%mdl 2080] [#] Against Qf7. Black must now prevent Ne6. White is in control.} Qg4 {[%eval 3470,28][%mdl 8192] This costs Black the game.} 24. Rxd5 $18 Rxd5 25. Qxd5+ Kh8 26. Nf7+ Kg8 27. Nh6+ Kh8 28. Qg8+ Rxg8 29. Nf7# {Weighted Error Value: White=0.28 (precise) /Black=0.87  Loses game:     	---       	Black=1      Mistake:       	White=3     	Black=3      Inaccurate:     	---       	Black=3      OK:         	White=7     	Black=6      Best:        	White=3     	Black=2} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "4"]
[Board "5"]
[White "Nakamura, Mitsuru"]
[Black "Nishimori, Toshiyuki"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "D30"]
[WhiteElo "1563"]
[BlackElo "1656"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "70"]
[GameId "2293415352863887"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,69,21,107,107,105,103,103,106,125,131,133,89,131,103,138,136,143,138,160,142,259,-509,-502,-523,-401,-782,-517,-611,-642,-789,-648,-784,-778,-768,-746,-706,-603,-595,-600,-991,-1009,-1316,-1201,-1777,-944,-1365,-962,-1840,-681,-1332,-761,-738,-743,-725,-592,-746,-608,-29986,-29987,-29987,-29988,-29999] D30: Queen's Gambit Declined: Systems without Nc3} 1. d4 Nf6 2. c4 d5 3. Nf3 e6 4. e3 c5 5. cxd5 $146 (5. b3 cxd4 6. exd4 Nc6 7. Be2 Bb4+ 8. Bd2 Bd6 9. O-O O-O 10. Nc3 Bc7 11. Bg5 dxc4 12. bxc4 h6 13. Bh4 g5 14. Bg3 Bxg3 15. hxg3 g4 16. Ne5 Qxd4 17. Nxc6 Qxc3 18. Rc1 Qa3 19. Qd4 Kg7 {1/2 Lashkin,J (2517)-Sahib,S (2438) Titled Tuesday intern op 31st Dec Early Chess.com INT blitz 2024 (11)}) (5. Nbd2 cxd4 6. exd4 Be7 7. a3 b6 8. Bd3 dxc4 9. Nxc4 Bb7 10. Nce5 O-O 11. O-O Nc6 12. Re1 h6 13. Bc2 Nxe5 14. dxe5 Qxd1 15. Rxd1 Nd5 16. Bd2 Rac8 17. Rac1 Rfd8 18. Be4 Bc5 19. h4 Bc6 {1-0 Danielian,E (2417)-Gunina,V (2506) Chess.com Speed (Women) Chess.com INT blitz 2019 (3.2)}) 5... cxd4 {[%eval 107,21]} (5... exd5 $11 {[%eval 21,21]} 6. Be2 cxd4) 6. dxe6 $16 (6. Nxd4 $6 Nxd5 7. Bc4 Be7 $11) (6. Qxd4 $6 exd5 7. Be2 Nc6 $11) (6. exd4 $6 Nxd5 7. Nc3 Be7 $11) 6... Bxe6 7. Nxd4 Bd7 8. Be2 {White is better.} Be7 9. O-O O-O 10. h3 {[%eval 89,21]} (10. b3 $142 {[%eval 133,21]}) 10... Qb6 {[%eval 131,23]} (10... Nc6 $142 {[%eval 89,21]}) 11. Nd2 Rd8 12. b3 Nc6 13. Bb2 Rac8 14. Rc1 h6 {[%eval 259,22] [#]} (14... Qa5 $16 {[%eval 142,20] is a better defense.}) 15. Nf5 $4 {[%eval -509,24][%mdl 8192]} Bxf5 $19 16. Qe1 Nb4 17. Ba3 {[%eval -782,23]} (17. Rxc8 $142 {[%eval -401,21]} Rxc8 18. Nc4) 17... a5 18. Nc4 Qe6 19. Qc3 Ne4 20. Qa1 Bf6 21. Bb2 Bxb2 22. Qxb2 Nd3 23. Bxd3 Rxd3 24. Kh1 b5 25. Nxa5 Rxc1 26. Qxc1 Rd2 {[%cal Of5h3]} 27. Kg1 Rxa2 {[%cal Of5h3]} 28. b4 Qd6 {[%eval -681,22]} (28... Bxh3 $142 {[%eval -1840,28]} 29. Qc6 Qg4 30. Qa8+ Kh7 31. Qxe4+ Qxe4 32. gxh3 Qxb4) 29. Nc6 Be6 {[%cal Oe6h3] ...Bxh3! is the strong threat.} 30. Rd1 Rd2 31. Rxd2 Qxd2 32. Ne7+ Kh7 33. Qa3 Qxf2+ {Black mates.} 34. Kh2 {[#]} Bxh3 $1 35. Kxh3 (35. Qa2 Qxa2) 35... Qg3# {Weighted Error Value: White=0.88/Black=0.61  Missed win:     	White=1     	---        Mistake:       	White=2     	Black=2      Inaccurate:     	White=1     	Black=2      OK:         	White=4     	Black=3      Best:        	---       	Black=1} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "4"]
[Board "6"]
[White "Ito, Katsuhide"]
[Black "Yoshii, Yukihiko"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B84"]
[WhiteElo "1274"]
[BlackElo "1760"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "70"]
[GameId "2293415352863888"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 14,70,31,21,22,17,15,-26,-5,-28,-19,-40,-40,-91,5,-75,-2,-112,13,-75,0,-325,-181,-171,-204,-194,-179,-231,-216,-227,-222,-207,-170,-206,-185,-284,-250,-308,-221,-446,-394,-823,-385,-781,-733,-821,-716,-29993,-29993,-29995,-29996,-29996,-3653,-29991,-29990,-29990,-3435,-29990,-29988] B84: Sicilian Scheveningen: 6 Be2 a6, lines without early Be3} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. Be3 Bd7 9. Kh1 O-O 10. Bg5 {[%eval -26,21]} (10. f4 {[%eval 15,21] feels stronger.}) 10... h6 {Black has an edge.} 11. Bh4 Nc6 12. Nxc6 Bxc6 13. Bf3 {[%eval -91,19]} (13. Qd4 $15 {[%eval -40,23]}) 13... e5 {[%eval 5,20]} (13... Qb6 $17 {[%eval -91,19]} 14. Qd3 Rad8 (14... Qxb2 $2 15. Rab1 $18)) 14. Qe2 {[%eval -75,22]} (14. Bxf6 $11 {[%eval 5,20]} Bxf6 15. Nd5) 14... Rc8 {[%eval -2,21]} ({Black should play} 14... Nxe4 $1 $17 {[%eval -75,22]} 15. Bxe7 Nxc3 16. Bxd8 Nxe2 17. Bxc6 bxc6 (17... Raxd8 18. Bxb7 a5 19. Rab1 $11)) 15. a4 {[%eval -112,22]} (15. Bxf6 $11 {[%eval -2,21]} Bxf6 16. Bg4) 15... Qc7 {[%eval 13,22]} (15... Nxe4 $17 {[%eval -112,22]} 16. Bxe4 Bxh4) 16. Rad1 {[%eval -75,23]} (16. Bxf6 $11 {[%eval 13,22] keeps the balance.} Bxf6 17. Bg4) 16... Rfd8 {[%eval 0,22]} (16... g5 $17 {[%eval -75,23]} 17. Bg3 b5 18. axb5 axb5) 17. Nd5 $2 {[%eval -325,25][%mdl 8192] [#] Black keeps a firm grip on the game.} (17. Bxf6 $11 {[%eval 0,22] and White stays safe.} Bxf6 18. Rd3) 17... Nxd5 {[%eval -181,21]} (17... Bxd5 $142 {[%eval -325,25]} 18. exd5 Qxc2 19. Qxc2 Rxc2) 18. exd5 $19 Bxa4 19. Bxe7 Qxe7 20. Rc1 {[%eval -231,21]} (20. b3 {[%eval -179,23]} Bd7 21. c4) 20... Rc5 21. b3 Bd7 22. c4 Rdc8 23. Be4 {[%eval -206,22]} (23. Qb2 {[%eval -170,22]}) 23... Qg5 24. Rc3 {[%eval -284,22]} (24. b4 {[%eval -185,23] might work better.} R5c7 25. f4 exf4 26. h3) 24... b5 25. Rg3 Qh4 {[%cal Rb5c4]} 26. Qe3 $2 {[%eval -446,24]} (26. Bd3 {[%eval -221,22] only move.}) 26... bxc4 27. f4 $2 {[%eval -823,23]} (27. b4 {[%eval -394,23]} R5c7 28. f4 exf4 29. Rxf4) 27... f5 {[%eval -385,22]} (27... cxb3 $142 {[%eval -823,23]} 28. fxe5 dxe5) 28. Bxf5 $2 {[%eval -781,27]} (28. b4 {[%eval -385,22]} R5c7 29. Bc2) 28... Bxf5 29. fxe5 cxb3 {[%cal Ob3b2] [#] White must now prevent ...b2!.} 30. Rxf5 Rc1+ (30... Rxd5 $2 31. Rf1 Qc4 (31... Rxe5 $2 32. Qxb3+ Qc4 33. Qxc4+ Rxc4 34. Rgf3 $19) (31... dxe5 32. Qa7 $11) 32. Qf3 Rxe5 (32... dxe5 33. Qf7+ Kh8 34. Qxg7#) 33. Qxb3 $19) 31. Qg1 Rxg1+ 32. Kxg1 Rc1+ {[%eval -3653,5]} (32... Qd4+ $142 {[%eval -32759,10]} 33. Kf1 Rc1+ (33... dxe5 34. Rxb3 Rc1+ 35. Ke2 Rc2+ 36. Kf3 Qf2+ 37. Ke4 Re2+ 38. Kd3 Qe3+ 39. Kc4 Qd4#) 34. Ke2 Rc2+ 35. Kf3 Rf2#) 33. Kf2 Qd4+ 34. Re3 Qxd5 {[%eval -3435,23]} (34... b2 $142 {[%eval -32747,22]} 35. Kg3 Qxe3+ (35... b1=B $2 36. Rff3 $19) 36. Rf3 Qg5+ (36... b1=Q {gets mated.} 37. Rxe3 Qg6+ 38. Kf2 Qg5 39. Kf3 Qf5+ 40. Kg3 Rc4 41. Re4 Rxe4 42. exd6 Qf4+ 43. Kh3 Qh4#) 37. Kh3 b1=Q (37... b1=B 38. g4 h5 39. Kg2 Rc2+ 40. Kg1 Qxg4+ 41. Kf1 Qxf3+ 42. Kg1 Qg2#) (37... Qh5+ 38. Kg3 b1=Q 39. Rf4 Qbg6+ 40. Kf2 Rc2+ {[%mdl 64] Skewer} 41. Ke3 Qxe5+ 42. Kf3 Qxg2#) 38. g4 Rg1 (38... Qxe5 39. Rg3 Rc2 40. Rg2 Qb3+ 41. Rg3 g5 42. Rxb3 Rxh2#) 39. Rf8+ Kxf8 40. exd6 Qxg4#) 35. Rxb3 Qxb3 {Weighted Error Value: White=1.38/Black=0.88  Loses game:     	White=1     	---        Mistake:       	White=11    	Black=6      OK:         	White=2     	Black=4} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "4"]
[Board "7"]
[White "Denta, Seiichi"]
[Black "Shishido, Kenta"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A34"]
[WhiteElo "1325"]
[BlackElo "1523"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "90"]
[GameId "2293415352863889"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,90,33,34,35,46,-9,18,-51,-33,-54,-55,-96,8,1,6,1,10,16,58,11,41,43,45,42,35,31,49,6,40,-8,1,1,1,-7,116,4,86,-1,69,67,250,-21,373,-4,286,-49,204,9,189,-20,39,-320,-83,-69,-39,-96,-1,-102,1,1,1,-1,155,-238,-103,-195,-1,-314,-266,-854,-858,-1060,-1040,-1043,-840,-1097,-1052,-1099,-1021,-29985,-1048,-1284,-778] A34: Symmetrical English: 2 Nc3, lines with ...d5} 1. e4 c5 2. c4 d6 3. Nc3 e6 4. g3 b6 $146 (4... a6 5. Bg2 Nc6 6. Nge2 Rb8 7. O-O b5 8. cxb5 axb5 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 b4 12. Nb1 Nf6 13. Rd1 e5 14. Qd3 Be7 15. a3 O-O 16. axb4 Rxb4 17. Nc3 Be6 18. h3 Qb8 19. Bg5 {1/2 Veiga,J (2389)-Devaev,A (2325) Titled Tuesday intern op 15th Aug Early Chess.com INT blitz 2023 (11)}) 5. d3 Bb7 6. Bg2 Nf6 7. h4 {[%eval -9,21]} (7. Nge2 $14 {[%eval 46,21]}) 7... Be7 8. Rh2 {[%eval -51,20]} (8. Nge2 $11 {[%eval 18,21]}) 8... Qc7 9. Nb5 Qd7 10. Bf4 {[%eval -96,20]} (10. Nc3 $15 {[%eval -55,20] was preferable.}) 10... e5 {[%eval 8,24]} (10... a6 $17 {[%eval -96,20]} 11. Nc3 b5) 11. Bd2 $11 a6 12. Nc3 Nc6 {[%cal Bb8c6,Bc6d4,Bd4f3][%mdl 32]} 13. Bh3 Qc7 {[%eval 58,21]} (13... Qd8 $11 {[%eval 16,22]}) 14. Nd5 {[%eval 11,24]} (14. g4 $14 {[%eval 58,21]}) 14... Nxd5 15. cxd5 Nd4 16. Nf3 Nxf3+ 17. Qxf3 Bc8 18. Rc1 {[%eval 6,22]} (18. g4 $14 {[%eval 49,23]}) 18... b5 19. Qh5 {[%eval -8,25]} (19. g4 $14 {[%eval 40,23]}) 19... g6 20. Qh6 Bf8 {Wards off Qg7} 21. Qe3 Bg7 {[%eval 116,24]} (21... Bxh3 $11 {[%eval -7,23]} 22. Rxh3 h5) 22. Qf3 {[%eval 4,25]} (22. b4 $16 {[%eval 116,24]}) 22... O-O {[%eval 86,24]} (22... Bxh3 $11 {[%eval 4,25]} 23. Rxh3 Qd7) 23. g4 {[%eval -1,25]} (23. Bxc8 $16 {[%eval 86,24]} Rfxc8 24. h5) 23... a5 {[%eval 69,24]} (23... h6 $11 {[%eval -1,25]}) 24. h5 $14 g5 $2 {[%eval 250,23]} 25. Ke2 $2 {[%eval -21,25]} (25. Bxg5 $6 f6 26. Bd2 h6) (25. h6 $18 {[%eval 250,23]}) 25... Ba6 $2 {[%eval 373,23][%mdl 8192]} (25... Qd8 $11 {[%eval -21,25]}) 26. b3 $2 {[%eval -4,23]} (26. Bxg5 f6 27. Be3 h6 $16) (26. h6 $18 {[%eval 373,23]}) 26... b4 $2 {[%eval 286,24][%mdl 8192]} (26... h6 $11 {[%eval -4,23]}) 27. Rhh1 $2 {[%eval -49,24]} (27. Bxg5 f6 28. Bd2 h6 $16) ({Only move:} 27. h6 $1 $18 {[%eval 286,24][%cal Rh6g7]} Bxh6 28. Rch1 (28. Qf6 Bg7 $16)) 27... Qb7 $2 {[%eval 204,24][%mdl 8192]} (27... h6 $15 {[%eval -49,24]}) 28. Ra1 $2 {[%eval 9,27]} (28. h6 $18 {[%eval 204,24]} Bxh6 29. Qf6) 28... Qb5 $2 {[%eval 189,26]} (28... h6 $11 {[%eval 9,27] and Black is okay.}) 29. Qg3 $2 {[%eval -20,28]} ({Better is} 29. Bxg5 $18 {[%eval 189,26] aiming for Bd2.} f6 30. Bd2) 29... a4 {[%eval 39,22]} (29... h6 $11 {[%eval -20,28]}) 30. Bf1 $2 {[%eval -320,22][%mdl 8192] [#]} (30. Bxg5 $14 {[%eval 39,22]} f6 31. Bd2) 30... Bb7 $2 {[%eval -83,23]} (30... axb3 $1 $19 {[%eval -320,22]} 31. axb3 Qxd3+ 32. Qxd3 Bxd3+ {[%csl Oa1][%mdl 64] Discovered Attack} 33. Kxd3 Rxa1 34. Bxg5 Rfa8) 31. Bg2 $17 axb3 32. axb3 Ra3 {[%eval -1,24]} (32... h6 $17 {[%eval -96,26]} 33. Rhc1 Ra3) 33. h6 {[%eval -102,27] [#]} (33. Bxg5 $11 {[%eval -1,24]} Rxb3 34. h6) 33... Bh8 {[%eval 1,24]} (33... Bf6 $1 $17 {[%eval -102,27]} 34. Rab1 (34. Qf3 Be7 $17) 34... Bc8) 34. Rab1 Ra2 35. Rh5 Rfa8 $2 {[%eval 155,24]} (35... f6 $11 {[%eval -1,25]}) 36. Ke3 $2 {[%eval -238,23]} (36. Rxg5+ $16 {[%eval 155,24] is necessary to keep the advantage.} Kf8 37. Kd1) 36... Ba6 {[%eval -103,24]} (36... Bf6 $19 {[%eval -238,23] is more deadly.} 37. Qf3 Bd8 (37... Ba6 38. Bf1 $17)) 37. Ke2 {[%eval -195,24]} (37. Rxg5+ $17 {[%eval -103,24] is a better defense.} Kf8 38. Ke2) 37... Rc2 $2 {[%eval -1,23]} ({Black should try} 37... Bf6 $19 {[%eval -195,24] Strongly threatening ...Bc8.} 38. Qe3 Bd8) 38. Rc1 $2 {[%eval -314,24][%mdl 8192]} (38. Rxg5+ $11 {[%eval -1,23]} Kf8 39. Rf5) 38... Rb2 $19 (38... Rxd2+ 39. Kxd2 Qa5 (39... Bf6 40. Qe3 $14) 40. Qe3 $16 (40. Rxg5+ Kf8 $16)) 39. Rc4 $2 {[%eval -854,22]} (39. Rxg5+ {[%eval -266,21]} Kf8 40. Rf5) 39... Rxb3 (39... Bf6 $2 40. Qf3 Be7 41. Qf5 $17) 40. Qf3 Qxc4 41. dxc4 Rxf3 42. Bxf3 Bxc4+ 43. Kd1 b3 {( -> ...Ra1+)} 44. Kc1 Ra2 {[%eval -1048,22]} (44... Ra1+ $142 {[%eval -32737,27]} 45. Kb2 Ra2+ 46. Kc1 b2+ 47. Kc2 Bd3+ {[%mdl 64] Decoy, Promotion} 48. Kxd3 b1=Q+ (48... b1=R $2 49. Rh1 $19) 49. Ke3 Qc2 50. Rxg5+ Kf8 51. Rg8+ Kxg8 52. Be2 Ra3+ (52... Qxd2+ {gets mated.} 53. Kf3 Qxe2+ 54. Kg3 Qxf2+ 55. Kh3 Qh2#) 53. Bc3 Rxc3+ 54. Bd3 Rxd3#) 45. Bc3 Rxf2 {Black used his chance.   Weighted Error Value: White=1.42/Black=1.11  Loses game:     	White=3     	Black=5      Missed win:     	White=5     	Black=2      Mistake:       	White=11    	Black=10     Inaccurate:     	White=1     	Black=4      OK:         	White=8     	Black=6} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "4"]
[Board "8"]
[White "Suzuki, Tsukumo"]
[Black "Yajima, Machiko"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "E71"]
[BlackElo "1323"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "75"]
[GameId "2293415352863890"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,75,52,52,38,85,53,77,24,85,62,94,89,280,290,329,332,321,289,363,348,444,447,531,462,526,530,640,572,706,694,833,809,833,835,987,907,1036,1010,1011,1017,1096,1060,1229,1136,1180,1161,1379,1252,1969,1972,2155,1934,2136,1525,2021,1440,1956,2021,2119,1770,2012,1927,2079,2174,29982,3545,29982,29983] E71: King's Indian: 4 e4 d6 5 h3} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 Nc6 6. Nf3 (6. d5 Nb8 7. Be3 O-O 8. Nf3 a5 9. Be2 Na6 10. O-O e5 11. Nd2 b6 12. a3 Bd7 13. Qc2 h6 14. Rab1 Nh7 15. b4 axb4 16. axb4 f5 17. Nf3 f4 18. Bd2 g5 19. Nh2 Nf6 20. Ng4 Nxg4 {1-0 Maghsoodloo,P (2703)-Mardov,D (2504) Titled Tuesday intern op 24th Dec Late Chess.com INT blitz 2024 (5)}) (6. Nge2 e5 7. d5 Nd4 8. Be3 O-O 9. f3 c5 10. dxc6 Nxc6 11. g4 Be6 12. b3 Qa5 13. Bg2 a6 14. O-O b5 15. Nd5 bxc4 16. bxc4 Rab8 17. Kh1 Qa3 18. Bc1 Qa5 19. Bd2 Qa3 20. Bc1 Qa5 {1/2 Seo,J (2491)-Grutter,T (2379) Hastings Masters op 98th 2024 (8)}) 6... a6 $146 {[%eval 85,19]} (6... e5 $14 {[%eval 38,23]} 7. d5 Ne7 8. g4 h5 9. g5 Nd7 (9... Nh7 10. Be3 c5 11. a3 O-O 12. Rg1 Kh8 13. Rb1 Bd7 14. Qd2 a6 15. b4 b6 16. Qb2 Rb8 17. Kd2 f6 18. gxf6 Bxf6 19. bxc5 bxc5 20. Qxb8 Qxb8 21. Rxb8 Rxb8 22. Kc2 Kg7 23. Ne1 Nc8 24. f4 {0-1 Maiorov,N (2495)-Kamsky,G (2665) Titled Tuesday intern op 16th Feb Chess.com INT blitz 2021 (8)}) 10. Be3 a5 11. b3 Nc5 12. Rb1 f5 13. gxf6 Bxf6 14. Rg1 O-O 15. Ng5 Kh8 16. Be2 Qe8 17. Nb5 Na6 18. Qd2 Ng8 19. Qxa5 Bxg5 20. Rxg5 Bxh3 21. Qc3 Nf6 {1-0 Gordievsky,D (2559)-Osmak,I (2438) PNWCC Online blitz JP 12th Lichess.org INT 2020 (5)}) 7. a3 O-O {[#]} 8. Bd3 {[%eval 24,22]} (8. d5 $1 $16 {[%eval 77,20][%cal Rd5c6]}) 8... b6 {[%eval 85,20]} (8... Nd7 $11 {[%eval 24,22] keeps the balance.}) 9. O-O Bb7 10. d5 Na5 {[%eval 280,22]} (10... Nb8 $16 {[%eval 89,20]}) 11. b4 $18 Nc6 12. dxc6 Bxc6 13. Qc2 e5 14. Nd5 Nxd5 15. cxd5 ({Less strong is} 15. exd5 Bd7 16. Bb2 c6 17. dxc6 Bxc6 $18) 15... Bb5 16. Be3 Bxd3 17. Qxd3 b5 18. Qc2 Qc8 19. Rfc1 f5 {[%cal Bf7f5,Bf5e4][%mdl 32]} 20. Qxc7 Qxc7 21. Rxc7 fxe4 22. Ng5 Rfc8 23. Rac1 {[%cal Ba1c1,Bc1c7,Bc7c6][%mdl 32]} Rxc7 24. Rxc7 h6 25. Nxe4 Rd8 26. Rc6 {[%csl LRa6,LRd6]} Bf8 27. Rxa6 g5 28. Rb6 Kf7 29. Rxb5 Kg6 30. g4 h5 31. Bxg5 Rd7 32. Rb6 Rc7 33. gxh5+ Kxh5 34. h4 {[%cal Og1g2] [#] and Kg2! should not be overlooked} Rc4 35. f3 Rd4 36. a4 Rxd5 37. Nf6+ Kg6 38. Nxd5 {White took control after the opening.   Weighted Error Value: White=0.17 (very precise) /Black=0.88  Loses game:     	---       	Black=1      Mistake:       	White=1     	Black=2      Inaccurate:     	White=1     	Black=1      OK:         	White=2     	---        Best:        	White=1     	---} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "4"]
[Board "9"]
[White "Hisaeda, Heron Masaru"]
[Black "Hisaeda, Masaru"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "D00"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "109"]
[GameId "2293415352863891"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,109,17,22,4,10,5,59,24,52,-30,95,18,414,418,493,478,546,484,656,525,818,777,896,884,876,858,879,870,968,961,965,842,813,636,633,642,638,619,676,662,890,884,894,825,909,887,1053,372,316,303,270,292,29999,31,36,1,179,35,55,66,981,983,967,937,1030,870,930,906,1852,1886,2367,1124,2290,1601,1901,800,949,948,1001,935,3343,3308,2532,1971,1838,3216,29981,29982,29983,29978,29980,1347,1899,1880,29988,29988,29988,29985,29989,29990,29990,29989] D00: 1 d4 d5: Unusual lines} 1. d4 Nf6 2. Bf4 d5 3. e3 Nc6 4. Nd2 $146 (4. Be2 Bf5 5. a3 e6 6. Nf3 h6 7. c4 Bd6 8. Bg3 dxc4 9. Bxc4 O-O 10. Nc3 a6 11. O-O b5 12. Be2 Re8 13. Rc1 Na5 14. Ne5 Bxe5 15. Bxe5 Nc4 16. Bxf6 Qxf6 17. Bxc4 bxc4 18. e4 Bg6 {1/2 Cebalo,M (2512)-Fercec,N (2512) Reggio Emilia 0506 48th 2005 (1)}) (4. c4 e6 (4... e5 5. dxe5 Ne4 6. a3 Be6 7. cxd5 Bxd5 8. Nd2 Be7 9. Nxe4 Bxe4 10. f3 Bg6 11. Bc4 O-O 12. Ne2 Qc8 13. O-O Rd8 14. Qe1 Bd3 15. Bxd3 Rxd3 16. Rd1 Qd7 17. Nc1 Rxd1 18. Qxd1 Qe6 19. Qb3 {0-1 Ostrovskiy,A (2425)-Gadimbayli,A (2470) Titled Tuesday intern op 23rd June Chess.com INT blitz 2020 (6)}) 5. Nc3 Bd6 6. Bg3 O-O 7. Nf3 Ne4 8. Bd3 Nxc3 9. bxc3 dxc4 10. Bxc4 b6 11. Bd3 Bb7 12. O-O Na5 13. Ne5 c5 14. Qh5 f5 15. Rfd1 Qe7 16. dxc5 Bxc5 17. Bb5 a6 18. Rd7 Qf6 {0-1 Grachev,B (2612)-Gadimbayli,A (2470) EU-ch Online 2300+ Final Chess.com INT 2020 (7)}) (4. h3 Bf5 5. a3 e6 6. c4 a6 7. Nc3 Bd6 8. Bg5 Be7 9. Bxf6 Bxf6 10. cxd5 exd5 11. Qb3 O-O 12. Nf3 Be6 13. Bd3 b5 14. O-O Na5 15. Qc2 g6 16. Ne2 Rc8 17. a4 c5 18. dxc5 b4 {1-0 Kamsky,G (2634)-Goldsztejn,G (2407) Titled Tuesday intern op 28th Nov Early Chess.com INT blitz 2023 (2)}) 4... g6 5. Bd3 Bg7 {[%cal Oe7e5]} 6. c3 O-O 7. Ngf3 b6 {[%eval 59,21]} ({Black should try} 7... Nh5 $11 {[%eval 5,20]}) 8. Qc2 {White is slightly better.} a5 9. O-O-O {[%eval -30,20]} (9. Bg3 $14 {[%eval 52,21]}) 9... Bb7 {[%eval 95,20] [#]} (9... a4 $11 {[%eval -30,20]}) 10. Ne5 {[%eval 18,22] White is more active.} (10. h4 $1 $16 {[%eval 95,20]}) 10... Qd6 $2 {[%eval 414,23][%mdl 8192] [#]} (10... Nxe5 $11 {[%eval 18,22]} 11. dxe5 Nd7) 11. Nxg6 $1 $18 {[%csl Od6][%mdl 576] Discovered Attack} Qd7 (11... hxg6 12. Bxd6) 12. Nxf8 Rxf8 13. Rhg1 Qd8 14. Be5 Nxd4 15. Bxd4 Bh6 16. Bxf6 exf6 17. Bxh7+ Kg7 {[#]} 18. Ne4 $1 {[%cal Bd2e4,Be4g3,Bg3f5][%mdl 32]} Qe7 (18... Rh8 19. Bf5) 19. Ng3 Qe6 20. Nf5+ Kxh7 21. Nd4+ Qe4 22. Qxe4+ dxe4 23. g4 Ba6 24. Nf5 Bg5 25. Rd7 Bc4 26. a3 Ba2 27. h4 Rg8 {[#]} 28. Rxf7+ $2 {[%eval 372,32]} Bxf7 29. hxg5 Rxg5 {[%mdl 4096] Endgame KRB-KRN. White is a pawn up.} 30. Rh1+ Kg6 $2 {[%eval 32766,6]} (30... Kg8 $18 {[%eval 292,24]} 31. Rh4 Be6) 31. Ne7+ $2 {[%eval 31,5]} (31. Rh6# {[%eval 32766,6] mates}) 31... Kg7 $14 32. Nf5+ Kf8 $2 {[%eval 179,24]} (32... Kg6 $1 $11 {[%eval 1,24] and Black stays safe.}) 33. Rg1 {[%eval 35,22]} (33. Rh8+ $18 {[%eval 179,24]} Bg8 34. Rh4) 33... Be6 34. Nd4 Rd5 $2 {[%eval 981,24][%mdl 8192] White leaves nothing to chance now.} 35. Nxe6+ $18 {KRN-KR} Kf7 36. Nxc7 Re5 37. Na6 Ke7 38. b4 {[%cal Bb2b4,Bb4a5,Ba5a6][%mdl 32]} b5 39. bxa5 Kd6 40. Nb8 Re7 41. a6 {aiming for Rd1+.} Kc7 42. f4 Kxb8 {KR-KR. White is 3 pawns up.} 43. g5 Rg7 44. Kc2 Ka7 45. gxf6 Rxg1 {KR-KP} 46. f7 Rg2+ 47. Kb3 Re2 48. f8=Q ({Less strong is} 48. f8=R Kxa6 49. Kb4 Rxe3 $16) 48... Kxa6 {KQ-KR} 49. Qf6+ Ka5 50. Qd8+ Ka6 51. a4 Rxe3 52. axb5+ {White mates.} Kxb5 53. Qb8+ Kc5 54. Qa7+ Kd5 55. Qxe3 {Weighted Error Value: White=0.44/Black=1.07  Loses game:     	---       	Black=3      Missed win:     	White=1     	---        Mistake:       	White=3     	Black=3      Inaccurate:     	White=1     	Black=3      OK:         	White=5     	Black=3      Best:        	White=1     	---} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "5"]
[Board "1"]
[White "Kim, Changhyung"]
[Black "Furuse, Mizuki"]
[Result "1/2-1/2"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A45"]
[WhiteElo "1838"]
[BlackElo "1761"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "45"]
[GameId "2293415352863892"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,45,20,18,16,7,11,23,9,4,-29,20,14,54,7,32,-7,34,18,37,15,36,41,75,44,72,53,76,71,74,74,100,76,84,80,115,-1,74,1] A45: Trompowsky Attack} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 a6 5. h4 h5 6. Be2 Bf5 7. Nf3 Bg7 8. Ne5 {White has an edge.} Nbd7 $146 (8... c6 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. f3 Nb6 12. O-O-O Nfd7 13. e4 dxe4 14. Qxe4 Nf6 15. Qe2 Nfd5 16. Nxd5 Nxd5 17. Bd2 Qb6 18. c4 Qxd4 19. cxd5 Qxe5 20. Qxe5 Bxe5 21. dxc6 Rc8 22. Kb1 Rxc6 23. Rhe1 {0-1 Kozak,A (2356)-Kashlinskaya,A (2493) Warsaw Szansa Blitz op 2021 (9)}) 9. a3 Nxe5 {[%eval 20,23]} (9... Rc8 {[%eval -29,20]}) 10. Bxe5 $11 Qd7 {[%eval 54,21]} (10... c6 $11 {[%eval 14,23]}) 11. Bd3 {[%eval 7,22]} (11. f3 $14 {[%eval 54,21] is more appropriate.}) 11... Bxd3 12. cxd3 {[%eval -7,22]} (12. Qxd3 $14 {[%eval 32,23]} b5 13. f3) 12... b5 {[%eval 34,25]} (12... O-O $11 {[%eval -7,22]}) 13. Qf3 {[#] Strongly threatening Bxf6.} c6 14. O-O O-O {[%cal Be8g8,Bg8g7,Bg7h7][%mdl 32]} 15. Rfc1 Ne8 16. Bxg7 Kxg7 17. Rc2 Rc8 18. Ne2 {White is more active.} Nd6 19. Rac1 Rc7 20. Nf4 Rfc8 21. Qg3 Kh7 22. Qf3 {[%eval -1,22]} (22. Qg5 $16 {[%eval 115,21]}) 22... Kg7 $1 23. Qg3 {[%eval 1,34] Weighted Error Value: White=0.27 (precise) /Black=0.17 (very precise)   Mistake:       	White=4     	Black=3      Inaccurate:     	White=2     	Black=4      OK:         	White=5     	Black=4      Best:        	---       	Black=1      Strong:       	---       	Black=1} (23. Rc5 $16 {[%eval 74,22]}) 1/2-1/2

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "5"]
[Board "2"]
[White "Dryglas, Maciej"]
[Black "Sugimoto, Koichi"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A00"]
[WhiteElo "2142"]
[BlackElo "1864"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "67"]
[GameId "2293415352863893"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,67,-2,39,7,44,35,82,1,22,17,21,19,12,-73,-33,-92,12,-94,447,492,522,526,491,524,491,255,218,188,185,206,222,223,179,-162,197,183,181,46,67,-494,-446,-454,-488,-451,-1,-1,57,-1,873,778,1097,1105,1193,1001,1459,1802,1584,1436,3495,3584] A00: Irregular Openings} 1. e4 d5 2. Nc3 d4 3. Nce2 c5 4. Ng3 g6 5. f4 $146 (5. Bc4 Bg7 6. d3 Nc6 7. Nf3 Nf6 8. h3 O-O 9. O-O Na5 10. Bb3 Nxb3 11. axb3 Nd7 12. Nd2 Qc7 13. f4 f5 14. exf5 gxf5 15. Nh5 Bh8 16. Nf3 Nf6 17. Ne5 Nxh5 18. Qxh5 Bxe5 19. fxe5 Qxe5 {1-0 Seo,J (2494)-Pasti,A (2361) Titled Tuesday intern op 16th May Early Chess.com INT blitz 2023 (2)}) (5. Nf3 Bg7 6. Bc4 Nc6 7. O-O Na5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. d3 e5 11. h4 h5 12. c3 Nc6 13. cxd4 cxd4 14. b4 a6 15. Bd2 Nf6 16. a4 Ng4 17. b5 Ne7 18. Qb3 O-O 19. Ng5 axb5 {1-0 Mestrovic,Z (2450)-Levin,F (2510) Ljubljana op 4th 1993}) 5... Bg7 {[%eval 39,20]} (5... a6 $11 {[%eval -2,21]}) 6. Nf3 Nc6 {[%eval 44,22]} (6... a6 $11 {[%eval 7,20] might be stronger.}) 7. Bc4 $14 e6 {[%eval 82,20] [#]} (7... h5 $14 {[%eval 35,21]}) 8. f5 {[%eval 1,24]} Nge7 9. fxe6 Bxe6 10. Bxe6 fxe6 11. Ng5 {[%eval -73,23]} (11. d3 $11 {[%eval 12,23] remains equal.}) 11... Qd7 {[%eval -33,23]} (11... Qd6 $1 $17 {[%eval -73,23] ...d3 would now be deadly.} 12. Qg4 d3) 12. Qg4 {[%eval -92,22]} (12. d3 $1 $15 {[%eval -33,23]}) 12... Nd8 {[%eval 12,20]} (12... d3 $17 {[%eval -92,22]} 13. Qxe6 Ne5) 13. O-O {[%eval -94,23] [#]} (13. d3 $1 $11 {[%eval 12,20]}) 13... h6 $2 {[%eval 447,24][%mdl 8192] [#]} (13... d3 $1 $17 {[%eval -94,23][%cal Rd3c2] and life is bright.} 14. cxd3 h6) 14. Nh5 $1 $18 {[%mdl 512]} Be5 (14... Nf5 15. Nxg7+) 15. Nf3 Ndc6 16. Nxe5 Nxe5 17. Ng7+ {[%eval 255,5]} (17. Nf6+ $142 {[%eval 491,24]} Kd8 18. Nxd7 Nxg4 19. Nxc5) 17... Kd8 {[%cal Be8d8,Bd8c7,Bc7b6,Bb6a6][%mdl 32]} 18. Qxe6 N7c6 19. Qf6+ Kc7 20. Ne6+ Kb6 21. Nf4 $4 {[%eval -162,26][%mdl 8192]} (21. d3 $18 {[%eval 179,24] and all is fine.}) 21... g5 $4 {[%eval 197,25][%mdl 8192]} (21... Rhf8 $19 {[%eval -162,26] avoids the disaster.} 22. Nd5+ Ka6) 22. Nd5+ Ka6 {[%cal Oh8f8]} 23. Qf2 {[%eval 46,23]} (23. Qf5 $18 {[%eval 181,24]}) 23... Raf8 24. Qe2+ {[%eval -494,26][%mdl 8192] [#]} (24. Qe1 $14 {[%eval 67,23] stays ahead.}) 24... d3 $1 $19 {[%mdl 512]} 25. cxd3 Nd4 26. Qd1 Nxd3 {[%eval -1,24] A dynamic duo of knights.} (26... Rxf1+ $19 {[%eval -451,23]} 27. Qxf1 Qd6) 27. b4 {and bxc5 should not be overlooked. Dancing on a razor blade.} b5 {[%eval 57,26]} ({But not} 27... cxb4 $6 28. a3 b6 (28... Rxf1+ $2 29. Qxf1 b6 30. Qxd3+ $18) 29. Nxb4+ (29. axb4+ Kb7 $16) 29... Nxb4 30. axb4+ Kb7 31. Bb2 $16) (27... Nxb4 28. Nxb4+ cxb4 29. Bb2) ({Black should try} 27... c4 $1 $11 {[%eval -1,23]}) 28. a4 {[%eval -1,27]} ({Better is} 28. bxc5 $14 {[%eval 57,26]} Qh7 29. e5) 28... Rxf1+ $4 {[%eval 873,23][%mdl 8192]} (28... cxb4 $11 {[%eval -1,27]} 29. Rb1 (29. axb5+ Kb7 $17) 29... Qc8 (29... bxa4 30. Nxb4+ Nxb4 31. Rxb4 $16)) 29. Qxf1 $18 {White is clearly winning.} c4 30. Qf6+ Kb7 31. Qxd4 Rf8 32. axb5 {[%cal Ba4b5,Bb5b6,Bb6a7][%mdl 32]} Kb8 33. b6 {[%cal Rb6a7]} Qf7 34. bxa7+ {Quite a comeback for White.   Weighted Error Value: White=0.81/Black=1.62  Loses game:     	White=1     	Black=2      Missed win:     	White=1     	Black=2      Mistake:       	White=7     	Black=5      Inaccurate:     	---       	Black=1      OK:         	White=7     	Black=3      Best:        	White=1     	Black=1      Brilliant:      	White=1     	Black=1} (34. Qxc4 $2 Qf1#) 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "5"]
[Board "3"]
[White "Nishimori, Toshiyuki"]
[Black "Honda, Yoshiki"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "C54"]
[WhiteElo "1656"]
[BlackElo "1824"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "84"]
[GameId "2293415352863894"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 13,84,-20,-24,-118,335,349,330,352,357,346,355,361,352,353,362,361,473,418,522,473,596,532,586,561,637,548,624,1,622,476,591,511,513,461,459,428,625,483,503,424,596,488,566,453,511,453,487,478,809,761,1400,1693,1542,1,20,1,1,1,1,30,215,207,277,60,188,-570,1,1,980,-650,-630,-639,-553] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 (7... Bxc3+ 8. bxc3 Nxe4 9. d5 $14) (7... Bxc3+ {simplifies} 8. bxc3 Nxe4 9. d5 Ne7) 8. Qe2 $146 {[%eval -118,21] [#]} (8. O-O $11 {[%eval -24,22] keeps the balance.} Bxc3 9. bxc3) (8. d5 Nxc3 9. bxc3 Bxc3+ 10. Bd2 Qe7+ 11. Kf1 (11. Be2 Bxd2+ 12. Qxd2 Ne5 13. O-O d6 14. Nxe5 dxe5 15. f4 exf4 16. Bb5+ Kf8 17. Qd4 {1-0 Alapin,S-Tarrasch,S Match Alapin-Tarrasch +4-1=0 Marseille  1902}) 11... Bxa1 (11... Bxd2 12. Qxd2 Qc5 13. Re1+ Ne7 14. Bb3 O-O 15. d6 Nc6 16. dxc7 d6 17. h3 Bf5 18. g4 Bg6 19. Kg2 Rac8 20. Rc1 Qb6 21. Qxd6 Be4 22. Rhe1 Bxf3+ 23. Kxf3 Nd4+ {0-1 Brodowski,P (2455)-Borges Feria,Y (2439) Titled Tuesday intern op 07th Feb Early Chess.com INT blitz 2023 (2)}) 12. Qxa1 O-O 13. dxc6 dxc6 14. Bc3 Be6 15. Bxe6 fxe6 16. h4 Rad8 17. Rh3 Rf7 18. Rg3 Rd3 19. Kg1 g6 20. h5 Qd6 21. hxg6 Rd1+ 22. Kh2 Rxa1 {1-0 Van Foreest,J (2671)-Lazavik,D (2436) Titled Tuesday intern op 10th Nov Chess.com INT blitz 2020 (11)}) 8... O-O $2 {[%eval 335,19][%cal Bh8f8,Bf8e8,Be8e5,Be5f5][%mdl 8224]} 9. Qxe4 $18 Re8 10. Ne5 {White has a decisive advantage.} Nxe5 11. dxe5 Bxc3+ 12. bxc3 d6 13. O-O Rxe5 14. Qf3 Qe7 15. Be3 c6 16. Bd4 Rf5 17. Qg3 {[%csl Gd4][%cal Rg3g7]} g6 18. Rae1 Be6 19. Bd3 Ra5 20. Bc4 $2 {[%eval 1,18]} (20. f4 $18 {[%eval 624,23]} Qd7 21. Bf6) 20... Rf5 $1 $11 21. Bb3 a5 22. Bxe6 fxe6 23. h3 b5 24. Qd3 e5 {[%eval 625,20]} (24... c5 $142 {[%eval 428,17]} 25. Be3 c4) 25. Be3 d5 26. f4 {[%cal Bf2f4,Bf4f5,Bf5g6][%mdl 32]} Re8 {[%eval 596,21]} (26... e4 $142 {[%eval 424,20]} 27. Qd4 Qd6) 27. g4 Rf7 28. f5 e4 29. Qd4 Qh4 30. Kh2 {Prevents Qg3+.} h5 {[%eval 809,20]} (30... Qe7 $142 {[%eval 478,20]} 31. Rg1 Qa3) 31. fxg6 $18 Rxf1 32. Rxf1 hxg4 33. Bf4 $2 {[%eval 1,24]} (33. Rf7 $18 {[%eval 1542,23][%csl Gf7][%cal Rd4g7]} Qxh3+ 34. Kg1 Qg3+ 35. Kf1 Qh3+ 36. Ke1 Qh1+ 37. Kd2 Qh2+ 38. Kd1 Qh1+ 39. Bg1) 33... Qxh3+ $11 34. Kg1 g3 $40 {[%mdl 128] Black has some attack.} 35. Qd2 {Dodges Qh2+} Rf8 {Chess con chili.} 36. Qg2 {[%mdl 64] Deflection} Qe6 {[%eval 215,24]} (36... Qh4 $11 {[%eval 30,23] and Black stays safe.} 37. Bxg3 (37. Qxg3 Qxg3+ 38. Bxg3 Rxf1+ 39. Kxf1 Kg7 $14) 37... Rxf1+ 38. Kxf1 Qf6+ 39. Qf2 Qxg6) 37. Qxg3 $18 Rf6 {[%cal Oe6f5] [#]} 38. Kf2 $2 {[%eval 60,21]} ({White must play} 38. Bh6 $1 $18 {[%eval 277,21] Threatening mate with Qb8+.} Rxg6 {[%mdl 64] Pin} 39. Rf8+ Kh7 40. Bg5) 38... d4 {[%eval 188,21]} (38... Rxg6 $14 {[%eval 60,21]} 39. Qh4 Qf6 40. Qxf6 Rxf6) 39. Rd1 $4 {[%eval -570,27][%mdl 8192]} (39. cxd4 $18 {[%eval 188,21] was the only winning move.} Qxa2+ 40. Kg1) 39... Qe5 {[%eval 1,22] Inhibits Qg5.} (39... Qxa2+ 40. Kg1 Qe6 41. Rxd4 Rxg6 42. Bg5 $14 (42. Rd8+ Kf7 $17)) (39... Rxg6 $19 {[%eval -570,27]} 40. Bg5 Qf5+ (40... Qxa2+ 41. Kg1 $11) 41. Ke1 Rxg5 (41... Qxg5 $2 42. Qxg5 Rxg5 43. Rxd4 $19) 42. Qb8+ Kg7 (42... Qf8 $2 43. Qxf8+ Kxf8 44. Rxd4 $19) 43. Qc7+ Qf7 44. Qxf7+ Kxf7 45. Rxd4 Rg1+ 46. Kd2 Rg2+ 47. Kc1 e3 (47... Rxa2 $2 48. Rxe4 Kf6 49. Re8 $19)) 40. cxd4 $11 Rxf4+ $4 {[%eval 980,24][%mdl 8192]} (40... Qxf4+ $11 {[%eval 1,25]} 41. Qxf4 Rxf4+ 42. Ke3 Rg4) 41. Kg2 $4 {[%eval -650,27][%mdl 8192]} (41. Ke3 $18 {[%eval 980,24]} Qh5 42. Qxf4 (42. Kxf4 Qxd1 43. Qh4 Kf8 $18) 42... Qh3+ 43. Kf2 (43. Kxe4 Qe6+ 44. Kf3 Qxg6 $18) 43... e3+ 44. Ke2 (44. Qxe3 Qh2+ 45. Kf1 Kg7 $18) 44... Qh5+ 45. Qf3 (45. Kxe3 Qxg6 46. Rh1 Qe6+ 47. Kf2 Qxa2+ 48. Kg3 Qb3+ 49. Kh4 Qf7 50. Rg1+ Kf8 $18) 45... Qh2+ 46. Kxe3 Qh6+ 47. Qf4 Qxg6 48. Rh1 (48. Qb8+ Kf7 $18) 48... Qe6+ 49. Kf2 (49. Qe5 Qxe5+ 50. dxe5 Kf7 $18)) 41... Qf5 42. Qb3+ Kg7 {Weighted Error Value: White=0.97/Black=1.23  Loses game:     	---       	Black=3      Missed win:     	White=3     	Black=1      Mistake:       	---       	Black=4      Inaccurate:     	---       	Black=2      OK:         	White=8     	Black=7      Best:        	White=4     	Black=1      Strong:       	---       	Black=1} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "5"]
[Board "4"]
[White "Miyatani, Ryouhei"]
[Black "Kaga, Kazuyuki"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "E87"]
[WhiteElo "1697"]
[BlackElo "1465"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "109"]
[GameId "2293415352863895"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 15,109,62,51,40,54,40,43,55,89,39,58,30,56,26,48,-16,-17,-24,117,112,154,146,221,120,139,88,135,87,778,786,791,767,783,782,801,739,876,817,847,630,931,907,950,931,938,925,1083,1046,1061,1046,1027,852,989,1042,964,850,1037,1005,1124,1080,1318,1281,1203,1168,1499,1582,1695,1046,2599,1540,3392,1706,3058,1541,1545,1276,1329,1307,1364,1452,1947,1665,1592,1478,1961,1705,2070,2111,2323,1661,3028,879,29996,29997,29998,29999] E87: King's Indian: Sämisch: 6...e5 7 d5} 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. f3 O-O 6. Be3 Nbd7 7. Bd3 e5 8. d5 Nc5 9. Bc2 c6 {[%cal Bc7c6,Bc6c5][%mdl 32]} 10. b4 Na6 11. Rb1 {White is slightly better.} c5 12. b5 {[%eval 39,20]} (12. a3 $16 {[%eval 89,18]}) 12... Nb8 13. g4 a6 14. a4 axb5 15. axb5 {[%eval -16,21]} (15. Nxb5 $14 {[%eval 48,19]} Na6 16. Bg5) 15... h5 $11 16. h3 h4 {[%eval 117,22]} (16... Nh7 $11 {[%eval -24,18] remains equal.}) 17. Bg5 $16 Ra3 {[%eval 154,21]} ({Black should try} 17... Qc7 {[%eval 112,20]} 18. Nge2 (18. Bxh4 Nbd7 $16) 18... Nbd7 19. Bxh4 Nb6) 18. Nge2 {[%cal Od1c1]} Qa5 {[%eval 221,21]} (18... Nbd7 $16 {[%eval 146,21]} 19. Qd3 (19. Bxh4 Bh6 $18) 19... Qe8 20. Bxh4 Nh7) 19. Qd2 {[%eval 120,21]} ({Not} 19. Bxh4 Rxc3 20. Nxc3 Qxc3+ 21. Kf1 Nbd7 $11 (21... Qxc4+ 22. Bd3 $11)) (19. O-O $18 {[%eval 221,21]}) 19... Nbd7 20. O-O {[%eval 88,21]} (20. Bxh4 $142 {[%eval 139,19]} Nb6 21. Qd3) 20... Nb6 {[%eval 135,21]} (20... Nh7 $142 {[%eval 88,21]} 21. Be7 (21. Bxh4 Bf6 $16) 21... Bf6 22. Bxf8 (22. Bxd6 Rd8 $11) 22... Kxf8) 21. Bd3 {[%eval 87,20]} (21. Bxh4 Nxc4 22. Qd3 Nb6 $11) (21. Bb3 $142 {[%eval 135,21]}) 21... Ra2 $2 {[%eval 778,21][%mdl 8192] [#] A mistake that costs the game.} 22. Qxa2 $18 Qxa2 23. Nxa2 Nh7 24. Be7 Re8 25. Bxh4 f5 26. gxf5 gxf5 27. Kh2 Rf8 {[%cal Be8f8,Bf8f7,Bf7f6,Bf6h6][%mdl 32]} 28. Nac3 f4 29. Be7 {[%csl LRd6,LRf8][%cal Bh4e7,Be7d6,Bd6c7][%mdl 32]} Rf7 30. Bxd6 Nd7 31. b6 Rf6 32. Bc7 Rh6 33. Ra1 Ndf8 34. Ng1 Ng5 35. Ra8 Bd7 36. Kg2 {[%cal Bh2g2,Bg2f2,Bf2e1][%mdl 32]} Rg6 37. Kf2 Bxh3 38. Nxh3 Nxh3+ 39. Ke1 Ng1 40. Ne2 Nh3 41. d6 Kh7 42. Rb8 {[%cal Ba8b8,Bb8b7,Bb7a7][%mdl 32]} Rg3 43. Rxb7 Ng5 44. Ng1 Rg2 45. Be2 Nge6 {[%cal Bg5e6,Be6d4,Bd4c2,Bc2e3,Be3f1][%mdl 32]} 46. Ra7 {[#] aiming for b7.} Nd4 47. b7 Nc2+ 48. Kd2 Ne3 49. b8=Q Nxf1+ 50. Ke1 Ne3 51. Nh3 Ne6 52. Qe8 Nd4 53. Qh5+ Bh6 54. Bd8+ Kg8 55. Qf7+ {Weighted Error Value: White=0.33/Black=0.76  Loses game:     	---       	Black=1      Mistake:       	White=5     	Black=4      Inaccurate:     	White=2     	Black=2      OK:         	White=4     	Black=4} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "5"]
[Board "5"]
[White "Yoshii, Yukihiko"]
[Black "Suzuki, Tsukumo"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A40"]
[WhiteElo "1760"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "75"]
[GameId "2293415352863896"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,75,8,11,11,38,11,32,8,75,-6,-5,-14,-2,-21,-16,-32,-22,-39,-11,-19,-29,-13,-7,-6,4,-12,-12,-38,-35,-58,-3,6,-1,-16,-1,1,66,62,178,152,229,26,305,236,314,58,413,248,665,669,818,769,840,668,820,806,835,816,814,673,884,624,1042,903,998,964,980,964] A40: Unusual replies to 1 d4} 1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. e3 (4. dxc5 Na6 (4... Bxc3+ 5. bxc3 Nf6 6. Nf3 Qa5 7. Bd2 Qxc5 8. g3 d6 9. Bg2 Qxc4 10. O-O O-O 11. Nd4 Nc6 12. Bh6 Rd8 13. Bg5 Nxd4 14. cxd4 d5 15. Rc1 Qxa2 16. Rc7 Rd7 17. Rc2 Qa6 18. Qc1 Rd8 19. Rc7 {1-0 Vetokhin,S (2570)-Plichta,K (2361) Titled Tuesday intern op 01st Jul Late Chess.com INT blitz 2025 (11)}) 5. Bd2 Nf6 6. g3 Nxc5 7. Bg2 d6 8. b4 Ncd7 9. Rc1 O-O 10. Qb3 a5 11. a3 axb4 12. axb4 Nb6 13. Nh3 Be6 14. Nd5 Nxc4 15. Qxc4 Nxd5 16. Bxd5 Bxh3 17. Bxb7 Ra7 18. Bc6 Rc7 {0-1 Lima,D (2475)-Gurevich,D (2575) Interzonal-16 Biel 1993 (3)}) 4... e6 $146 (4... d6 5. dxc5 Bxc3+ 6. bxc3 dxc5 7. Qxd8+ Kxd8 8. a4 b6 9. a5 Bb7 10. Nf3 Nc6 11. axb6 axb6 12. Rb1 Kc7 13. e4 e5 14. Ng5 h6 15. Nh3 Nf6 16. f3 Ra2 17. Nf2 Na5 18. Nd1 Rd8 19. Bxh6 {1/2 Tartakower,S-Steiner,L HUN-Kongress Maroczy Debrecen 1925 (5)}) 5. g3 d5 6. cxd5 exd5 7. Bg2 Ne7 8. Nge2 {White is slightly better.} Bg4 {[%eval 75,18]} (8... cxd4 $11 {[%eval 8,18] keeps the balance.} 9. exd4 Nbc6) 9. f3 {[%eval -6,19]} (9. dxc5 $16 {[%eval 75,18]} O-O 10. h3 (10. Nxd5 Nxd5 11. Qxd5 Na6 $14)) 9... Be6 $11 10. O-O Nd7 11. dxc5 Nxc5 12. Nd4 O-O 13. Nxe6 fxe6 14. Nb5 Qb6 15. Nd4 Rae8 16. Kh1 Nc6 17. Nxc6 bxc6 18. Rb1 {[%cal Ba1b1,Bb1b3,Bb3d3][%mdl 32]} Qa6 19. a3 Rb8 {[%eval -3,19]} (19... Na4 $15 {[%eval -58,22]}) 20. b4 Na4 {[#] ...Nc3 is the strong threat.} 21. Qc2 Nc3 (21... c5 $5) 22. Rb3 Nb5 {[%eval 66,19]} (22... Na4 $11 {[%eval 1,20]}) 23. Bb2 $14 d4 {[%eval 178,17]} (23... Bxb2 $14 {[%eval 62,17]} 24. Qxb2 Nd6) 24. Rd3 Rbd8 {[%eval 229,18]} (24... Rfd8 $16 {[%eval 152,18]} 25. f4 Nd6) 25. Qb3 $2 {[%eval 26,21] [#]} (25. Rfd1 $18 {[%eval 229,18]}) 25... Rd5 $2 {[%eval 305,19][%mdl 8192]} (25... Nc3 $1 $11 {[%eval 26,21] and Black stays safe.} 26. Qc2 (26. Qxe6+ Kh8 $11) 26... c5) 26. f4 Rd6 27. a4 $2 {[%eval 58,20]} ({White should try} 27. Qc4 $18 {[%eval 314,19]}) 27... Nc7 $2 {[%eval 413,20][%mdl 8192]} (27... Nc3 $14 {[%eval 58,20]} 28. Qc2 Nd5 29. Bxd5 (29. Bxd4 Bxd4 30. exd4 Nxb4 $16) (29. exd4 $2 {loses.} Nxb4 30. Qc5 Nxd3 $19) 29... Rxd5) 28. Bxd4 Rxd4 $2 {[%eval 665,22]} (28... Bxd4 {[%eval 248,21]} 29. Rxd4 Rxd4 30. exd4 Rd8) 29. exd4 $18 {White is clearly winning.} Nd5 30. Re1 Rf6 31. Bh3 Kf7 32. Rd2 Bf8 33. b5 cxb5 34. axb5 Qb6 35. Rde2 Bb4 36. Rxe6 Rxe6 37. Rxe6 Qb7 38. Rc6 {Weighted Error Value: White=0.66/Black=0.97  Loses game:     	---       	Black=2      Missed win:     	White=2     	---        Mistake:       	White=1     	Black=6      Inaccurate:     	White=3     	Black=3      OK:         	White=5     	Black=4      Best:        	White=1     	Black=1} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "5"]
[Board "6"]
[White "Shishido, Kenta"]
[Black "Hong, Joon Young"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B19"]
[WhiteElo "1523"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "105"]
[GameId "2293415352863897"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 20,104,21,20,62,53,56,53,73,68,63,29,59,51,59,51,108,89,110,87,111,-46,-67,-72,12,7,-1,-132,-31,-30,50,65,140,116,140,-123,-157,-133,475,529,509,-56,425,439,409,421,395,151,518,517,514,408,696,706,689,669,690,693,781,738,791,766,808,773,935,857,870,861,846,787,802,802,996,877,1122,1060,1092,1056,1093,1105,1099,840,869,830,2047,1469,29999] B19: Classical Caro-Kann: 4...Bf5 main line} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} h6 7. h5 Bh7 8. Nf3 Nf6 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Bd6 $146 {[%eval 62,19]} (11... Be7 $11 {[%eval 20,18] might be stronger.} 12. Qe2 (12. O-O-O c5 13. Ne4 (13. Be3 Nc6 14. dxc5 Qa5 15. Kb1 Bxc5 16. Ne4 Nxe4 17. Qxe4 Bxe3 18. Qxe3 O-O 19. Rd7 Nb4 20. a3 Nd5 21. Qb3 b5 22. Ne5 Rac8 23. Rd1 Rc7 24. Rxc7 Qxc7 25. Nf3 Rc8 26. Rd2 a6 27. g3 Nf6 {0-1 Hayrapetyan,E (2343)-Samunenkov,I (2539) Titled Tuesday intern op 13th Feb Early Chess.com INT blitz 2024 (6)}) (13. Bc3 O-O 14. dxc5 Qxd3 15. Rxd3 Ng4 16. Rf1 Bxc5 17. Rh1 Bb6 18. Ne1 {1/2 Stepovaia,T (2385)-Chiburdanidze,M (2515) YUG-ch1 (Women) Vrnjacka Banja 1996}) 13... cxd4 14. Nxd4 Nbd7 15. Nxe6 fxe6 16. Nxf6+ Nxf6 17. Qg6+ Kf8 18. Bxh6 Qxd1+ 19. Rxd1 Rxh6 20. Qg3 Rxh5 21. Qb3 Rc8 22. Qxe6 Rc6 23. Qe2 Rhc5 24. c3 b5 25. Kb1 a5 26. a3 Kf7 {1/2 Nguyen,T (2569)-Movsesian,S (2649) Prague Summer m 7th 2020 (3)}) 12... O-O 13. c4 b5 14. cxb5 Qd5 15. a4 cxb5 16. Qxb5 Nbd7 17. Qxd5 Nxd5 18. b3 Rab8 19. Rb1 Rb7 20. Kd1 Rc8 21. Ne2 N7f6 22. Rh4 Rcb8 23. Kc2 Rc8+ 24. Kd1 Rcb8 25. Kc2 Rc8+ 26. Kd1 Rcb8 {1/2 Kolev,A (2505)-Khenkin,I (2530) Zaragoza op-A 1995 (6)}) (11... Qc7 12. O-O-O Nbd7 {1/2 Mirkovic,S (2380)-Martinovic,S (2470) Novak Nikolic Memorial 1st Belgrade 1998 (5)}) 12. Ne4 $14 Nxe4 13. Qxe4 Qf6 {White is slightly better.} 14. O-O-O Nd7 {[%cal Bb8d7,Bd7f6,Bf6d5][%mdl 32]} 15. Bc3 Qe7 16. Kb1 Nf6 17. Qe2 a5 {[%eval 108,19]} (17... O-O-O $14 {[%eval 51,17]}) 18. Ne5 $16 a4 19. a3 {White is more active.} Nd5 20. Qc4 {[%eval -46,19]} (20. Bd2 $16 {[%eval 111,19]}) 20... O-O $15 21. Bd2 Rfc8 {[%eval 12,18]} (21... c5 $17 {[%eval -72,18]}) 22. Qd3 {Strongly threatening g4.} (22. Qe2 {simplifies} Bxe5 23. Qxe5 b5 24. Rh3) 22... b5 23. Qg3 {[%eval -132,19]} (23. g4 $1 $11 {[%eval -1,18]}) 23... Kh7 {[%eval -31,18]} (23... f6 $17 {[%eval -132,19]} 24. Ng6 Bxg3 25. Nxe7+ Nxe7 26. fxg3 Rd8) 24. Qf3 b4 {[%eval 50,23]} ({Better is} 24... Bxe5 $11 {[%eval -30,19]} 25. dxe5 c5) 25. Nxf7 $14 Rf8 {[%eval 140,21]} (25... bxa3 $14 {[%eval 65,18]} 26. Qd3+ Kg8 27. Nxd6 Qxd6) 26. Qd3+ $16 Kg8 {[#]} 27. Nxh6+ {[%eval -123,21][%mdl 8704]} gxh6 $17 28. Qg6+ Qg7 $2 {[%eval 475,21][%mdl 8192]} (28... Kh8 $17 {[%eval -133,21] keeps the pressure on. Threatens to win with ...Rf6.} 29. Qxh6+ Qh7 30. Qxe6 Rf6) 29. Qxe6+ $18 (29. Qxh6 $2 Qxh6 (29... Rxf2 $2 30. Qxe6+ Kh8 31. Qxd6 $18) 30. Bxh6 Rxf2 $19) 29... Kh8 30. Bxh6 $2 {[%eval -56,22]} (30. Qxd6 $18 {[%eval 509,21]} Rf6 31. Qc5) 30... Qe7 $2 {[%eval 425,21][%mdl 8192]} (30... Qf6 $15 {[%eval -56,22] keeps the upper hand.} 31. Rhe1 Nc7 32. Bxf8 (32. Qxf6+ Rxf6 33. Bg5 Rxf2 $17) 32... Nxe6 33. Bxd6 Kg8 (33... Nxd4 $2 {loses.} 34. Be5 $18 {[%csl Od4,Of6][%mdl 64] Pin, Double Attack}) 34. Bxb4 Nc7 (34... Nxd4 35. Re4 $11)) 31. Qxe7 Bxe7 32. Bxf8 Rxf8 33. Rde1 $2 {[%eval 151,20]} (33. axb4 $18 {[%eval 395,19] is more deadly.} Bxb4 34. Rdf1) 33... Rxf2 $2 {[%eval 518,22]} (33... Rb8 $16 {[%eval 151,20]}) 34. axb4 Bxb4 35. Re8+ Rf8 {[%eval 696,24]} (35... Kh7 $142 {[%eval 408,20]} 36. Rc8 Rxg2) 36. Rxf8+ Bxf8 37. g4 {[%cal Bg2g4,Bg4g5,Bg5g6][%mdl 32]} Bg7 38. c3 Kh7 39. Ka2 Bf8 {[%cal Bg7f8,Bf8e7,Be7g5,Bg5d2,Bd2e3,Be3d4][%mdl 32]} 40. Rf1 Kg8 41. Rf3 Nb6 42. g5 Be7 43. g6 Bg5 44. b3 axb3+ 45. Kxb3 Bd2 46. c4 Nd7 47. Rf7 Nf8 48. Rf6 Be3 49. Rxc6 Bxd4 50. Rc7 Ne6 51. Re7 Ng7 52. h6 Nf5 53. Re8# {Weighted Error Value: White=0.55/Black=1.11  Loses game:     	---       	Black=3      Missed win:     	White=2     	---        Mistake:       	White=3     	Black=6      Inaccurate:     	White=1     	Black=1      OK:         	White=13    	Black=6      Best:        	White=1     	Black=1} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "5"]
[Board "7"]
[White "Denta, Seiichi"]
[Black "Nakamura, Mitsuru"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "C26"]
[WhiteElo "1325"]
[BlackElo "1563"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "68"]
[GameId "2293415352863898"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,68,-193,-101,-263,-93,-358,-363,-390,-338,-522,-513,-535,-494,-560,-543,-578,-586,-593,-591,-644,-614,-683,-627,-739,-726,-750,-599,-813,-753,-816,-782,-941,-931,-943,-923,-1078,-1105,-1070,-1066,-1091,-1114,-1082,-1091,-1771,-1878,-3442,-2035,-29986,-29987,-29991,-29992,-29995,-29996,-29998,-29998,-29998,-29996,-29996,-29996,-29998,-29999] C26: Vienna Game: 2...Nf6, sidelines} 1. e4 e5 2. Nc3 Nf6 3. g3 g6 $146 (3... c6 4. Qe2 (4. Nf3 d6 5. Bg2 Be7 6. O-O O-O 7. d4 Nbd7 8. b3 Re8 9. a4 Bf8 10. Bb2 a5 11. Re1 Qc7 12. Qd2 g6 13. Rad1 Bg7 14. h3 exd4 15. Nxd4 Nc5 16. f4 Bd7 17. Qf2 Rad8 18. g4 Bc8 {0-1 Ozer,O (2360)-Matlakov,M (2662) Titled Tuesday intern op 21st Mar Late Chess.com INT blitz 2023 (5)}) 4... Bb4 5. a3 Bxc3 6. dxc3 O-O 7. Bg5 d6 8. O-O-O h6 9. Bxf6 Qxf6 10. Qd2 Rd8 11. f4 exf4 12. Qxf4 Qe7 13. Nf3 Be6 14. g4 Nd7 15. g5 Ne5 16. gxh6 Nxf3 17. Qxf3 Qg5+ 18. Kb1 {1-0 Dmitriev,I (2455)-Kiselev,G (2490) Polanica Zdroj op 1994}) (3... Nc6 4. Bg2 Nd4 5. Nge2 Bc5 6. O-O d6 7. h3 a6 8. Kh2 h5 9. Nxd4 Bxd4 10. d3 Be6 11. Nd5 Bxd5 12. exd5 Qd7 13. c3 Bb6 14. a4 a5 15. Qe2 Kf8 16. Qf3 Re8 17. Bg5 e4 18. Qd1 {1/2 Kuijf,M (2460)-Smagin,S (2575) BL2-West 9798 Germany 1997 [3]}) (3... h5 4. Nf3 Bc5 5. Nxe5 Qe7 6. d4 d6 7. Nxf7 Nxe4 8. Qe2 O-O 9. Nxe4 Bg4 10. f3 Nc6 11. c3 {1-0 Ivanov,A (2544)-Blatny,P (2451) Vermont CCA/ICC op Stratton Mountain 2004 (6)}) 4. Bc4 Bg7 5. Nh3 h6 {[%eval -101,18]} (5... d5 $19 {[%eval -193,17]} 6. Bf1 Nxe4 (6... dxe4 $2 7. Ng1 $19)) 6. d3 {[%eval -263,17]} (6. f3 $17 {[%eval -101,18]}) 6... d6 $2 {[%eval -93,17]} (6... d5 $1 $19 {[%eval -263,17][%cal Rd5c4]} 7. Nxd5 Bxh3) 7. a3 $2 {[%eval -358,17][%mdl 8192]} Bxh3 $19 8. Nd5 {Black is winning.} Nxd5 9. exd5 {[%eval -522,20]} (9. Bxd5 $142 {[%eval -338,18]} c6 10. Bb3) 9... O-O 10. Be3 Nd7 11. Qf3 h5 12. O-O-O Bg4 13. Qg2 Bxd1 14. Kxd1 Nf6 15. Bg5 Qd7 {[#] Hoping for ...Qg4+.} 16. h3 b5 17. Ba2 Rab8 18. b4 {[#]} a5 $1 19. Qf3 (19. Bd2 axb4) 19... Nh7 20. h4 axb4 21. axb4 Ra8 22. Bb3 Nxg5 23. hxg5 Ra1+ 24. Kd2 Rxh1 25. Qxh1 Qg4 {[%csl LRb4,LRg5]} 26. Qh4 Qf3 27. Qh2 Ra8 {( -> ...Ra1)} 28. c4 bxc4 {Black mates.} 29. Bxc4 Ra1 30. Bb3 e4 {[%csl Ge4][%cal Rf3d3]} 31. Bc4 exd3 32. Bxd3 Ra2+ 33. Bc2 Qc3+ 34. Kd1 Qxc2+ {White got outplayed after the opening.   Weighted Error Value: White=0.91/Black=0.46  Loses game:     	White=1     	---        Missed win:     	---       	Black=1      Mistake:       	White=1     	---        OK:         	White=1     	Black=5} 0-1

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "5"]
[Board "8"]
[White "Yajima, Machiko"]
[Black "Hisaeda, Heron Masaru"]
[Result "1-0"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A00"]
[WhiteElo "1323"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "71"]
[GameId "2293415352863899"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,70,-111,-70,-155,-26,-70,-38,-158,-149,-355,-313,-421,54,-346,-227,-324,11,-286,126,-56,-52,-344,148,-319,383,356,558,543,586,589,526,229,233,-577,728,737,1090,1100,1023,1016,1603,886,1777,1394,3364,2829,29987,3596,29987,29987,29986,3563,29991,29992,29990,29991,29997,29998,29998,29998,29998,29999,29999] A00: Irregular Openings} 1. g3 e5 2. Bg2 Nc6 3. Nh3 $146 (3. a3 g6 (3... Bc5 4. e3 Nf6 5. Ne2 Bb6 6. d4 d5 7. Nbc3 O-O 8. h3 exd4 9. exd4 h6 10. Be3 Ne7 11. g4 c6 12. Qd2 Ba5 13. Ng3 Ng6 14. O-O-O Nh4 15. Rhg1 Nxg2 16. Rxg2 Ne4 17. Ngxe4 dxe4 18. g5 {0-1 Ten Hertog,H (2517)-Grandelius,N (2670) Titled Tuesday intern op 13th Apr Chess.com INT blitz 2021 (11)}) 4. b4 Bg7 5. Bb2 d6 6. e3 Nf6 7. Ne2 O-O 8. O-O a6 9. c4 e4 10. Nbc3 Bf5 11. Qb3 Re8 12. f3 exf3 13. Rxf3 Ne5 14. Rxf5 gxf5 15. Nd4 Ne4 16. Nxe4 fxe4 17. Bxe4 Nxc4 {1-0 Anton Guijarro,D (2570)-Recuero Guerra,D (2454) ESP-ch rapid Linares 2013 (7)}) (3. Nc3 f5 4. e3 Nf6 5. d4 Bb4 (5... e4 6. Nh3 d5 7. Nf4 Bb4 8. Bd2 Ne7 9. Nxe4 fxe4 10. Bxb4 Bg4 11. f3 exf3 12. Bxf3 Bxf3 13. Qxf3 Qd7 14. Bxe7 Qxe7 15. O-O-O c6 16. Rhf1 O-O 17. Rde1 Rae8 18. Nd3 Nd7 19. Qe2 Rxf1 20. Qxf1 {1-0 Belyakov,B (2488)-Sanders,I (2352) Pardubice Czech op-A 27th 2016 (2)}) 6. Nge2 O-O 7. O-O e4 8. a3 Bxc3 9. Nxc3 d5 10. f3 Be6 11. Bd2 Bf7 12. Ne2 exf3 13. Rxf3 Bh5 14. Rxf5 Qd7 15. Rxh5 Nxh5 16. c4 dxc4 17. Qc2 Kh8 {1/2 Fries Nielsen,J (2424)-Lyrberg,P (2473) SWE-chT 1516 Sweden 2015 (1)}) 3... Nf6 4. d3 d5 5. O-O Bc5 {[%eval -70,18]} (5... h5 $17 {[%eval -111,17]} 6. f3 d4) 6. Bg5 {[%eval -155,18]} ({White should play} 6. Nd2 $15 {[%eval -70,18]}) 6... O-O {[%eval -26,19]} (6... Be6 $17 {[%eval -155,18] Threatens to win with ...Qd7.} 7. c3 Bb6) 7. e3 {[%eval -70,17]} (7. Nc3 $11 {[%eval -26,19] deserves consideration.}) 7... Be6 8. f4 {[%eval -158,21]} (8. Nc3 $15 {[%eval -38,19]}) 8... Bxe3+ $17 9. Nf2 $2 {[%eval -355,20]} (9. Kh1 $17 {[%eval -149,21]}) 9... h6 {[%mdl 64] Deflection} 10. Bh4 Bg4 {[%eval 54,20]} (10... exf4 11. gxf4 Nd4 (11... Bxf4 $2 12. d4 $19) 12. Kh1 $19) (10... g5 $19 {[%eval -421,20]} 11. f5 Bc8 (11... Bxf5 $2 12. Kh1 $19)) 11. Qe1 $2 {[%eval -346,19][%mdl 8192]} (11. Bxf6 $14 {[%eval 54,20] keeps the upper hand.} Qd7 (11... Bxd1 12. Bxd8 Raxd8 13. Rxd1 $14) 12. Bf3 Bxf3 (12... gxf6 $2 13. Bxg4 f5 14. Bh3 $18) 13. Qxf3) 11... d4 12. Kh1 {[%eval -324,18]} (12. Bxf6 {[%eval -227,18]} Qxf6 13. Kh1) 12... Qd7 $2 {[%eval 11,19]} (12... exf4 $2 13. Nxg4 g5 14. Nxh6+ Kh8 15. Bxg5 $18) (12... g5 $19 {[%eval -324,18]} 13. fxg5 hxg5 14. Bxg5 Bxg5) 13. Nxg4 $4 {[%eval -286,22][%mdl 8192]} (13. Bxf6 $11 {[%eval 11,19] and White is okay.} gxf6 (13... Bxf2 14. Qxf2 gxf6 15. Nd2 $16) 14. Nd2 (14. Nxg4 Qxg4 15. Nc3 dxc3 $11)) 13... Qxg4 $2 {[%eval 126,24]} (13... Nxg4 $19 {[%eval -286,22]} 14. h3 g5) 14. h3 $2 {[%eval -56,23]} (14. Bxf6 $6 exf4 15. gxf4 gxf6 $11) (14. f5 $1 $16 {[%eval 126,24]}) 14... Qe6 $15 15. Nd2 $2 {[%eval -344,20][%mdl 8192]} (15. f5 $15 {[%eval -52,22]} Qe7 16. c3) 15... Nh5 $2 {[%eval 148,20]} ({Better is} 15... g5 $19 {[%eval -344,20]} 16. fxg5 hxg5) 16. Ne4 $2 {[%eval -319,18][%mdl 8192] [#]} (16. f5 $1 $16 {[%eval 148,20][%cal Rf5e6] is forced if you want to stay better.} Qe8 17. Bf3) 16... Nb4 $4 {[%eval 383,21][%mdl 8192]} 17. Qxb4 $18 {Hoping for f5.} f5 {[%eval 558,22]} (17... exf4 {[%eval 356,19] was called for.} 18. g4 (18. Qxb7 Rab8 $14) 18... g5 19. gxh5 gxh4) 18. Nc5 Qg6 19. Bd5+ Kh7 20. Rf3 {[%eval 229,22]} (20. Nxb7 exf4 21. Nc5 Rae8 $14 (21... Nxg3+ 22. Bxg3 fxg3 23. Bxa8 $16)) (20. Nd7 $142 {[%eval 526,20]} Nxg3+ 21. Bxg3) 20... exf4 {[#]} 21. Ne4 $4 {[%eval -577,23][%mdl 8192]} fxe4 $4 {[%eval 728,21][%mdl 8192]} (21... c6 $19 {[%eval -577,23]} 22. gxf4 cxd5) 22. Bxe4 {[%mdl 64] Pin} Rf7 23. Bxg6+ Kxg6 24. Qxb7 Raf8 25. Qe4+ Rf5 26. g4 Ng3+ 27. Bxg3 fxg3 28. gxf5+ {[%eval 3596,5]} (28. Rxf5 $142 {[%eval 32742,28]} Rf6 29. Rc5+ {[%csl Og6][%mdl 64] Discovered Attack (Check)} Kf7 30. Rxc7+ Kg8 31. Rc8+ (31. Rxa7 g2+ {[%mdl 64] Decoy} 32. Kxg2 Rf2+ 33. Kh1 Bg5 34. Qg6 Bf6 35. Ra8+ Bd8 36. Rxd8+ Rf8 37. Rxf8+ {[%mdl 64] Back Rank} Kxf8 38. Re1 Kg8 39. Re8#) 31... Rf8 32. Qe6+ {[%mdl 64] Deflection} Kh7 33. Rxf8 (33. Qe4+ Kg8 34. Qd5+ Kh7 35. Rxf8 g2+ 36. Kxg2 h5 37. Qf5+ g6 38. Qf6 hxg4 39. Rh8#) 33... g2+ 34. Kxg2 a5 35. Qe4+ g6 36. Qe7#) 28... Kh7 29. f6+ Kg8 30. Qg6 {[%eval 3563,23]} (30. f7+ $142 {[%eval 32740,25]} Kh8 31. Qe7 (31. Rxg3 g5 32. Qg6 Rxf7 33. Qxf7 Bf4 34. Re1 Be3 35. Qg6 h5 36. Rf3 h4 37. Rf8#) 31... Kh7 32. Qxf8 Kg6 33. Qe8 (33. Rxg3+ Bg5 34. Qe8 Kh5 35. f8=Q+ {[%csl Oh5][%mdl 64] Discovered Attack (Check)} Kh4 36. Rg4+ Kxh3 37. Qf3#) 33... g2+ 34. Kxg2 Kh5 35. f8=Q+ {[%csl Oh5][%mdl 64] Discovered Attack (Check)} (35. f8=B+ Kh4 36. Qe4+ Bf4 37. Qxf4+ Kh5 38. Qg4#) 35... Kh4 36. Rf4+ Bxf4 37. Qxf4#) 30... Rxf6 31. Rxf6 {[%cal Bf3f6,Bf6e6,Be6e8,Be8f8][%mdl 32] White mates.} g2+ 32. Kxg2 Bg5 33. Re6 {[%cal Re6e8]} Be7 34. Rf1 Bc5 35. Re8+ Bf8 36. Rexf8# {Weighted Error Value: White=1.82/Black=2.13  Loses game:     	White=5     	---        Missed win:     	White=1     	Black=6      Mistake:       	White=5     	Black=2      Inaccurate:     	White=1     	Black=3      OK:         	---       	Black=4      Best:        	White=2     	---} 1-0

[Event "Hokkaido Chess Championship 2026"]
[Site "Kaderu 2.7,Domin Katsudo Center BLD, Kita 2-jo Nishi 7-chome, Chuo-ku, Sapporo"]
[Date "2026.03.22"]
[Round "5"]
[Board "9"]
[White "Hisaeda, Masaru"]
[Black "Ito, Katsuhide"]
[Result "0-1"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A06"]
[BlackElo "1274"]
[WhiteFideId "-1"]
[BlackFideId "-1"]
[PlyCount "70"]
[GameId "2293415352863900"]
[EventDate "2026.03.21"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%evp 9,69,-195,-47,-290,-78,-303,-309,-347,-347,-340,-350,-344,-349,-411,-357,-393,-380,-421,-326,-684,-674,-769,-674,-773,-762,-936,-917,-916,-919,-1183,-949,-1067,-1013,-1304,-1182,-1495,-1211,-1604,-1671,-1648,-1478,-1697,-1546,-2144,-1632,-3450,-1807,-3397,-2924,-3240,-2141,-3624,-3604,-3661,-3623,-29994,-29994,-29996,-29997,-29998,-29999,-29999] A06: Réti Opening: 1 Nf3 d5} 1. Nf3 d5 2. e3 g6 3. Bd3 $146 (3. c4 Bg7 (3... c6 4. cxd5 cxd5 5. Qa4+ Nc6 6. Ne5 Bd7 7. Nxd7 Qxd7 8. d4 e6 9. Nd2 Bd6 10. Nf3 Nf6 11. Be2 O-O 12. O-O Ne4 13. Nd2 Nf6 14. a3 a6 15. Bd3 Qe7 16. f4 Rfc8 17. Qd1 Rc7 18. b3 {1-0 Nakamura,H (2785)-Topalov,V (2749) Paris GCT Blitz 2017 (15)}) (3... Nf6 4. Qa4+ Nbd7 5. Nc3 c6 6. cxd5 Nxd5 7. Qb3 Bg7 8. Nxd5 Nc5 9. Qc2 Qxd5 10. d4 Ne4 11. Bd3 Bf5 12. O-O Bf6 13. b3 Nc5 14. Bxf5 gxf5 15. Bb2 Rg8 16. Ne1 Ne6 17. f4 c5 18. Nf3 {1/2 Ehlvest,J (2600)-Ganguly,S (2531) FIDE World Cup-D Hyderabad 2002 (3)}) (3... e6 4. Nc3 Bg7 5. b3 Ne7 6. Bb2 c5 7. cxd5 Nxd5 8. Qc2 Nb4 9. Qb1 O-O 10. Ne4 b6 11. a3 N4c6 12. Bxg7 Kxg7 13. Qb2+ f6 14. b4 cxb4 15. axb4 Bb7 16. Be2 Qe7 17. b5 Nb4 18. Ra4 {1/2 Medak,B (2398)-Dabo Peranic,R (2322) Osijek op 2013 (7.2)}) 4. cxd5 Nf6 5. e4 O-O 6. Nc3 c6 7. dxc6 (7. d4 cxd5 8. e5 Ne4 9. Be2 Nc6 10. O-O Nxc3 11. bxc3 Bg4 12. h3 Bxf3 13. Bxf3 Na5 14. Qd3 Rc8 15. Bg5 f6 16. exf6 exf6 17. Bf4 a6 18. Rab1 Rf7 19. h4 Bf8 20. Rfe1 Bd6 21. Bh6 Bb8 {1-0 Arutinian,D (2552)-Lopez,J (2388) Amsterdam Batavia Grolsch blitz 11th 2019 (5.1)}) 7... Qa5 8. cxb7 Bxb7 9. d3 Rd8 10. Qa4 Qb6 11. Be2 Nbd7 12. O-O Nc5 13. Qc2 Rac8 14. h3 Nh5 15. Be3 Qf6 16. Rfd1 Nf4 17. Bxf4 Qxf4 {1-0 Hasangatin,R (2463)-Nevostrujev,V (2438) RUS-chT 08th final B Tomsk 2001 (3)}) 3... Bg7 4. O-O e5 5. Nc3 Ne7 {[%eval -47,20]} ({Better is} 5... e4 $19 {[%eval -195,20]} 6. Nxe4 dxe4 7. Bxe4 Nf6) 6. b4 $2 {[%eval -290,19]} (6. e4 $15 {[%eval -47,20]}) 6... O-O $2 {[%eval -78,19]} (6... e4 $19 {[%eval -290,19]} 7. Be2 exf3 8. Bxf3 O-O) 7. Bb2 $2 {[%eval -303,19]} (7. Be2 $17 {[%eval -78,19] might work better.}) 7... e4 $19 8. Bb5 {Black has a decisive advantage.} c6 9. Be2 exf3 10. Bxf3 Nd7 11. Qe2 Nb6 12. d3 Re8 13. Rad1 Qc7 14. Bc1 $2 {[%eval -684,22]} (14. Qd2 {[%eval -326,17]}) 14... Bxc3 15. h3 Bxb4 16. Bg4 Nf5 17. e4 Nd4 18. Qe3 Nxc2 19. Qg3 Bd6 20. f4 Bc5+ 21. d4 Bxd4+ 22. Kh2 Rxe4 {[#] Hoping for ...Bxg4.} 23. Rd2 Bxg4 24. Rxc2 Bf5 25. Rd2 Rae8 26. Qh4 Bg7 27. g4 Bc8 28. Bb2 Bxb2 29. Rxb2 Nc4 30. Rc2 Ne3 {[%cal Oe4f4] [#] ( -> ...Rxf4!)} 31. Rff2 Nxc2 32. Rxc2 Qxf4+ {Black mates.} 33. Kg2 Re2+ 34. Kg1 Qh2+ 35. Kf1 Qh1# {Black took control after the opening.   Weighted Error Value: White=1.76/Black=0.89  Loses game:     	White=1     	---        Missed win:     	---       	Black=1      Mistake:       	White=1     	---        OK:         	White=1     	Black=4} 0-1

