[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "1.1"]
[White "Kawamura, Takuto"]
[Black "Akai, Kiyataka"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "1462"]
[BlackElo "1786"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "71"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7} 1. d4 d5 2. c4 e6 3.
Nc3 c5 4. cxd5 exd5 5. g3 Nc6 6. Nf3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Re1 (9. a3 c4
10. Bg5 h6 11. Bxf6 Bxf6 12. e3 Be6 13. Nd2 Qd7 14. b3 cxb3 15. Nxb3 b6 16. Qe2
Rac8 17. Rfc1 Ne7 18. Qa6 Rfd8 19. Bf1 Nc6 20. Qa4 Rc7 21. Nd2 Na5 22. Qxd7
Rcxd7 23. Nb5 Be7 {Ikonnikov,V (2560)-Feygin,M (2529) Belgium 2010 1-0 (44)}) (
9. Na4 c4 10. b3 b5 11. Nc5 Bf5 12. Nh4 Bg4 13. Re1 Rc8 14. bxc4 dxc4 15. Bb2
Bxc5 16. dxc5 Qxd1 17. Rexd1 b4 18. Rd6 Ne7 19. Bd4 Ne8 20. Ra6 g5 21. Nf3 Nc7
22. Rf6 Ne6 23. Be3 Nd5 {Akdag,D (2218)-Kristensen,K (2296) Denmark 2011 0-1 
(38)}) 9... h6 $146 {Covers g5} (9... Re8 10. Bg5 cxd4 11. Nxd4 h6 12. Bf4 Bb4
13. Rc1 Bg4 14. a3 Ba5 15. Nxc6 bxc6 16. b4 Bb6 17. Na4 Qd7 18. Nc5 Bxc5 19.
Rxc5 Bh3 20. Qc2 Bxg2 21. Kxg2 Re6 22. b5 cxb5 23. Rc7 Qe8 24. Qd3 {Szoen,D 
(2450)-Zolnierowicz,K (2287) Warsaw 2005 1-0 (40)}) 10. Bf4 a6 {Prevents
intrusion on b5} 11. Rc1 c4 {Black has a very active position} 12. Ne5 Be6 13.
e4 Re8 14. h3 {Controls g4} (14. exd5 Nxd5 15. Bxd5 Bxd5 $16) 14... Bb4 (14...
Nxe5 $5 {is worth consideration} 15. dxe5 Nxe4 16. Nxe4 dxe4 17. Bxe4 Qb6 $11)
15. exd5 $14 {White forks: c6+e6} Nxd5 {A sound move.} 16. Nxc6 (16. Nxf7 Bxf7
17. Rxe8+ Qxe8 18. Nxd5 Rd8 19. Nxb4 Nxb4 20. Bxb7 Nxa2 $14) 16... bxc6 $11 17.
Bd2 Qa5 18. Re5 Rad8 19. Qh5 Bxc3 {Black forks: b2, d2+d4} 20. Rxc3 (20. bxc3
$5 {should be examined more closely} f6 21. Re4 $11) 20... Qxa2 $17 21. Rf3 $4
{another bit of territory lost} (21. Rc1 f6 (21... Qxb2 $143 22. Bxh6 f6 23.
Re4 $11) 22. Re4 Bf7 $17 (22... Qxb2 $6 23. Bxh6 Qb7 24. Bd2 $15)) 21... Qb1+ (
21... f6 $142 {seems even better} 22. Rxe6 Rxe6 23. Bc3 $19) 22. Kh2 (22. Re1
$142 Qc2 23. Ba5 $17) 22... Qg6 $4 {releasing the pressure on the opponent} (
22... f6 $142 {the advantage is on the side of Black} 23. Re1 Qxb2 24. Bxh6 Qc2
$19 (24... gxh6 $6 25. Qg6+ Kh8 26. Qxh6+ Kg8 27. Qg6+ Kf8 28. Rxf6+ Nxf6 29.
Qxf6+ Bf7 30. Qh8+ Bg8 31. Qf6+ Bf7 32. Qh8+ Bg8 33. Qf6+ Bf7 $11)) 23. Qxg6
$11 fxg6 {Black has new doubled pawns: g6+g7} 24. Ra3 Bc8 25. Rxe8+ Rxe8 26.
Bf1 {White threatens to win material: Bf1xc4} Re4 27. Bc3 Nxc3 28. bxc3 {
Black has a new passed pawn: a6.} Be6 29. h4 Bd5 30. Rxa6 Re1 31. Bg2 Rc1 {
Black threatens to win material: Rc1xc3} 32. Ra3 Kf7 33. Bxd5+ cxd5 {A rook
endgame occured} 34. Kg2 Rb1 35. Ra2 Rc1 36. Ra3 1/2-1/2

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "1.2"]
[White "Yoshii, Yukihiko"]
[Black "Nakamura, Mitsuru"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1724"]
[BlackElo "1406"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "87"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] A17: English Opening: 1...Nf6 with ...Bb4} 1. c4 Nf6 2. Nc3 e6 3.
b3 (3. e3 b6 4. Nf3 Bb7 5. Be2 c5 6. O-O Be7 7. b3 O-O 8. Bb2 d6 9. d4 cxd4 10.
Nxd4 a6 11. Bf3 Qc7 12. Bxb7 Qxb7 13. Qf3 Qxf3 14. Nxf3 Nbd7 15. Rfd1 Rfd8 16.
Ba3 Nc5 17. Bxc5 bxc5 {Granados Gomez,M (2388)-Matnadze,A (2395) Barcelona
2015 1/2-1/2 (54)}) 3... c6 $146 {Consolidates b5+d5} (3... d5 4. e3 (4. Nf3 d4
5. Nb5 c5 6. d3 a6 7. Na3 Nc6 8. g3 Bd6 9. Bg2 O-O 10. Nc2 h6 11. O-O e5 12. a3
Re8 13. e4 dxe3 14. Bxe3 Bf5 15. Nh4 Bh7 16. Re1 Bf8 17. Bf1 Qd7 18. Qd2 Rad8 {
Simunek,A (2198)-Blazek,J (2197) Czechia 2007 0-1 (38)}) 4... c5 5. Nf3 (5.
cxd5 exd5 6. d4 Qa5 7. Bb2 Nc6 8. dxc5 Bxc5 9. a3 d4 10. b4 Bxb4 11. axb4 Qxb4
12. Qd2 dxc3 13. Bxc3 Qe7 14. Bd3 Ne4 15. Bxe4 Qxe4 16. Ne2 O-O 17. O-O Be6 18.
Qb2 Qg4 19. h3 Qg5 {Momeni,E (2263)-Sadeh,S (2200) Teheran 2008 1/2-1/2 (42)})
5... d4 6. exd4 cxd4 7. Ne2 Nc6 8. d3 e5 9. a3 a5 10. Ng3 Be7 11. Be2 O-O 12.
O-O Rb8 13. Ne1 b5 14. f4 bxc4 15. bxc4 Bd6 16. f5 e4 17. Nxe4 Nxe4 18. dxe4 {
Sliwa,B (2200)-Adamski,J (2415) Augustow 1975 1/2-1/2 (31)}) (3... Nc6 4. Nf3
$11) 4. Bb2 d5 5. e3 Nbd7 6. d4 Bd6 7. Bd3 O-O 8. Nge2 Qc7 (8... e5 9. h3 $11)
9. h3 {Secures g4} h6 10. O-O b6 11. Rc1 Bb7 12. Bb1 (12. cxd5 Nxd5 13. Nb5
Bh2+ 14. Kh1 Qb8 $11) 12... Rad8 (12... a6 13. cxd5 exd5 14. g3 $11) 13. Qd3 (
13. cxd5 exd5 14. Nb5 Qb8 15. Nxd6 Qxd6 $14) 13... Rfe8 (13... dxc4 14. Qxc4 c5
15. Rfd1 $11) 14. e4 (14. cxd5 $142 exd5 15. Nb5 $14) 14... e5 $4 {Black has
let it slip away} (14... dxe4 $142 {would keep Black alive} 15. Nxe4 Nxe4 16.
Qxe4 Nf6 $15) 15. cxd5 $16 exd4 16. Nxd4 (16. Nb5 $5 Bh2+ 17. Kh1 $16) 16...
Nc5 $14 17. Qc2 Bf4 18. Rce1 cxd5 $2 (18... Be5 19. Nf3 Bxc3 20. Qxc3 cxd5 21.
exd5 $14) 19. exd5 $4 {White lets it slip away. .} (19. Nxd5 $142 {a pity that
White didn't try this} Bxd5 20. exd5 $18) 19... Ba6 {Black threatens to win
material: Ba6xf1} (19... Bh2+ 20. Kh1 Be5 21. Nf5 $14) 20. Ndb5 $16 {White
threatens to win material: Nb5xc7} Qd7 21. a4 g6 $2 (21... Be5 22. Rxe5 Rxe5
23. b4 Nxa4 24. Qxa4 Bxb5 25. Qxb5 Rxd5 26. Qc4 $16) 22. Rd1 $4 {forfeits the
advantage} (22. b4 Nb7 23. Qd3 Bxb5 24. axb5 $18 (24. Qxb5 $6 Qxb5 25. Nxb5
Rxe1 26. Rxe1 Nxd5 $14)) 22... Bg5 (22... Rc8 23. Rfe1 Be5 24. Rxe5 Rxe5 25. b4
Bxb5 26. bxc5 $14) 23. Rfe1 (23. Rd4 $142 Nh5 24. b4 $16) 23... Qb7 $4 {
[%cal Rb7d5,Rd8d5,Rf6d5,Gc3d5,Gd1d5] The pressure on the isolated pawn grows.
causes even greater problems} (23... Bb7 $142 24. Rxe8+ Qxe8 $16) 24. b4 $18
Ncd7 (24... Bxb5 25. bxc5 Rxe1+ 26. Rxe1 $18) 25. Rxe8+ (25. Nd6 $142 {might
be the shorter path} Rxe1+ 26. Rxe1 Qb8 27. Nxf7 Kxf7 28. Qxg6+ Kf8 $18) 25...
Nxe8 26. Ne4 Bxb5 27. axb5 a5 (27... Qc8 28. Qe2 Ndf6 29. Nxg5 hxg5 $18) 28.
Nxg5 hxg5 29. bxa5 bxa5 30. Qc3 Ndf6 31. Qxa5 Rxd5 32. Rxd5 Qxd5 33. Ba2 (33.
Bc2 $142 $5 {and White can already relax} Ne4 $18) 33... Qd1+ {[%cal Yg5g4]
Black plans g4} 34. Kh2 Qd6+ 35. g3 g4 $4 {the pressure is too much, Black
crumbles} (35... Qc5 36. Kg2 Ne4 37. Bxf7+ Kh7 $18) 36. Qa7 (36. b6 $142 {
keeps an even firmer grip} Qc6 37. Qa7 Nd7 38. hxg4 Qxb6 39. Qxd7 Qxf2+ 40. Kh3
Qf1+ 41. Kh4 Kf8 $18) 36... Nd5 (36... Qd7 {a fruitless try to alter the
course of the game} 37. b6 gxh3 38. Bb3 Ng4+ 39. Kxh3 Ne5+ 40. Qxd7 Nxd7 41. b7
$18) 37. Qa8 (37. Qd4 $142 {might be the shorter path} Ndf6 38. Qxd6 Nxd6 39.
Bxf6 Nxb5 40. hxg4 Nd6 $18) 37... Ndc7 38. Qe4 gxh3 (38... Ng7 {doesn't do any
good} 39. Be5 Qd2 40. Bxc7 Qxa2 41. b6 Qxf2+ 42. Qg2 $18) 39. Kxh3 (39. Be5 Qd7
40. b6 Na6 $18) 39... Ne6 (39... Qd7+ 40. Kg2 Nxb5 41. Qxg6+ Kf8 $18) 40. Bxe6
Qxe6+ (40... fxe6 41. b6 Qxb6 42. Qxg6+ Kf8 43. Ba3+ Nd6 44. Qxe6 Qxf2 45.
Bxd6+ Kg7 46. Be5+ Kf8 $18) 41. Qxe6 fxe6 42. Be5 Kf7 43. b6 Ke7 44. b7 (44. b7
Nf6 45. b8=Q g5 46. Qc7+ Nd7 47. Bd6+ Ke8 48. Qc8+ Kf7 49. Qxd7+ Kf6 50. Kg4
Kg6 51. Be5 Kh6 52. Qg7#) 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "1.3"]
[White "Takeuchi, Hiroshi"]
[Black "Kimura, Ryota"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1371"]
[BlackElo "1681"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "50"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} 1. d4 Nf6
2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Nc3 (5. c4 c5 6. Nc3 cxd4 7. exd4 (7. Nxd4
Nc6 8. Nxc6 bxc6 9. Be2 d6 10. O-O Qa5 11. Rc1 Be6 12. b3 Nd7 13. Qd2 g5 14.
Bg3 f5 15. Rfd1 Ne5 16. f4 Nf7 17. Bf3 Rac8 18. c5 g4 19. Be2 Qxc5 20. Bh4 Qa5
21. Bxe7 Rfe8 {Silva,F (2367)-Viterbo Ferreira,J (2324) Vila Nova de Gaia 2010
1-0 (86)}) 7... d5 8. Be2 Nc6 9. h3 dxc4 10. Bxc4 Na5 11. Be2 Be6 12. O-O Rc8
13. Re1 Nd5 14. Nxd5 Bxd5 15. Ne5 Bc4 16. Bxc4 Nxc4 17. Nxc4 Rxc4 18. Qb3 Rxd4
19. Be3 Rd7 {Zhukova,N (2395)-Cramling,P (2535) Belgrade 1998 1/2-1/2}) 5... d6
6. Be2 $146 (6. Bc4 c6 7. O-O b5 8. Bb3 a6 9. Ng5 Bb7 10. Qf3 Nbd7 11. Qh3 h6
12. Nf3 Nh5 13. Ne2 Ndf6 14. Qh4 Nxf4 15. Qxf4 g5 16. Nxg5 hxg5 17. Qxg5 Ne4
18. Qg4 c5 19. c3 Qc8 20. Qh4 Nd2 {Jovanovic,R (2200)-Jesenski,T (2287) Sombor
2004 0-1 (60)}) 6... Bf5 7. Nh4 Be6 8. Nf3 Nbd7 (8... Bf5 9. O-O $14) 9. h4 (9.
Ng5 Nb6 $14) 9... c5 10. Ng5 cxd4 11. exd4 {Black has a cramped position} Qa5 (
11... Qb6 12. Nxe6 fxe6 13. O-O $11) 12. h5 {White has a very active position}
(12. O-O Bf5 $14) 12... Nd5 $11 13. hxg6 $4 (13. Bd2 $142 {had to be tried to
avoid defeat} Bxd4 14. Nce4 $11) 13... Nxf4 $19 14. gxf7+ (14. gxh7+ Kh8 15.
Nxe6 fxe6 $19 (15... Nxe6 $6 16. Rh4 $17)) 14... Bxf7 15. Nxf7 Rxf7 (15... Kxf7
$6 16. g3 Nxe2 17. Qxe2 $17) 16. g3 (16. Bf3 {doesn't improve anything} e5 17.
Kf1 exd4 $19) 16... Nd5 (16... Ng2+ $142 {and Black has reached his goal} 17.
Kd2 Qg5+ 18. Kd3 Rxf2 $19) 17. Bc4 (17. Qd3 Nxc3 18. Qxc3 Qxc3+ 19. bxc3 Rc8
$19) 17... N7b6 18. Bb3 Kh8 $4 {simply marches past the door to victory} (18...
e6 $142 {secures the point} 19. Qd3 Nxc3 20. bxc3 d5 $19) 19. Qh5 $16 h6 (19...
Kg8 20. O-O-O (20. Bxd5 $6 Nxd5 21. Qxd5 Qxd5 22. Nxd5 Bxd4 $11) 20... e6 21.
Ne4 $16) 20. Qxf7 (20. Bxd5 $6 Nxd5 21. Qxd5 Qxd5 22. Nxd5 Bxd4 23. Rxh6+ Kg7
$14) 20... Nxc3 21. Kf1 {White loses the right to castle} (21. Qg6 $142 Ne4+
22. c3 $16) 21... Rf8 $4 {letting the wind out of his own sails} (21... Qb5+
$142 {this is the best way to fight back} 22. Kg2 Qc6+ 23. Qf3 Qxf3+ 24. Kxf3
Nca4 $11) 22. Qg6 $18 Qb5+ 23. Kg2 (23. Kg1 $5 {and White can already relax}
Ne2+ 24. Kg2 Qc6+ 25. d5 Qc5 (25... Nxd5 $143 26. Rxh6+ Kg8 27. Rah1 Rxf2+ 28.
Kxf2 Qb6+ 29. Ke1 Qg1+ 30. Rxg1 Nd4 31. Qe8+ Bf8 32. Rg6+ Kh7 33. Rh1+ Bh6 34.
Rhxh6#) 26. Rxh6+ Kg8 27. Qh7+ Kf7 $18) 23... Rxf2+ 24. Kxf2 $4 {overlooking
an easy win} (24. Kg1 $142 {it becomes clear that White will call all the shots
} d5 25. Rxh6+ (25. bxc3 $6 Qe2 26. Rh4 Rf6 $14) 25... Bxh6 26. Qxh6+ Kg8 27.
Kxf2 (27. bxc3 Qe2 28. Qg5+ Kf8 29. Qh6+ Ke8 $17) 27... Qe2+ 28. Kg1 $18) 24...
Qe2+ 25. Kg1 Bxd4# 0-1

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "1.4"]
[White "Kojima, Natsumi"]
[Black "Shimomura, Kensei"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1677"]
[BlackElo "1240"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "69"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8256] C50: Hungarian Defence and Giuoco Pianissimo} 1. e4 e5 2. Nf3 Nc6
3. Bc4 Bc5 4. d3 a6 $146 {Controls b5} (4... Nge7 5. Ng5 d5 6. exd5 Nxd5 7. Nc3
Be6 8. Nxe6 fxe6 9. Ne4 Bb6 10. Qh5+ g6 11. Qh6 Nce7 12. Qg7 Rf8 13. Qxe5 Qd7
14. Bh6 Nc6 15. Qg3 Rf5 16. Bg5 Nd4 17. Rc1 h6 18. Bxh6 O-O-O 19. c3 {Rabiega,
R (2485)-Loerke,R (2190) Dresden 2000 1-0}) (4... Nf6 5. Nc3 $11) 5. Nbd2 (5.
Ng5 $5 {should not be overlooked} Nh6 6. a4 $14) 5... Nf6 $11 6. O-O d5 (6...
O-O $5 $11 {must be considered}) 7. exd5 $14 Nxd5 {White has a cramped
position. White's piece can't move: c1} 8. Re1 f6 {Prevents intrusion on g5} 9.
a4 a5 (9... Be6 10. c3 O-O 11. d4 $14) 10. Nb3 (10. d4 Bxd4 11. Nb3 Nb6 $18)
10... Bb6 (10... Be7 $5 $16) 11. d4 O-O (11... Nde7 $142 12. c3 Qd6 $18) 12.
dxe5 $18 Be6 13. exf6 Re8 (13... Nf4 14. Bxe6+ Nxe6 15. Qxd8 Ncxd8 16. fxg7
Nxg7 $18) 14. Rxe6 $1 {Remove defender: e6} Rxe6 15. Qxd5 Qxd5 16. Bxd5 Rd8 (
16... Rae8 {does not solve anything} 17. Ng5 Nd8 18. f7+ Nxf7 19. Bxe6 $18) 17.
Bxe6+ Kf8 18. Bg5 gxf6 19. Bxf6 Rd6 20. Re1 h5 21. Ng5 Nd4 22. Nxd4 Bxd4 23.
Bxd4 (23. Nh7+ Ke8 24. Bf5+ Be5 25. Rxe5+ Kf7 26. Re7+ Kg8 27. Re8+ Kf7 28.
Rf8#) 23... Rxd4 $18 24. Bb3 c5 25. Ne6+ Kg8 26. Nxd4+ Kh7 27. Nf3 c4 28. Bxc4
b5 (28... Kg7 {cannot undo what has already been done} 29. Re7+ Kf8 30. Rxb7
Ke8 31. Ne5 Kd8 32. Nc6+ Ke8 33. Be6 Kf8 34. h4 Ke8 35. Rb8#) 29. axb5 a4 (
29... h4 {cannot change destiny} 30. b6 Kg6 31. b7 Kf5 32. b8=Q a4 33. Qg8 a3
34. Qg5#) 30. b6 a3 (30... Kg7 {does not save the day} 31. b7 a3 32. b8=Q h4
33. Qc7+ Kh6 34. Qf7 axb2 35. Re6#) 31. b7 a2 (31... Kg6 {does not improve
anything} 32. b8=Q h4 33. Qb6+ Kh5 34. Re5+ Kg4 35. Qd4#) 32. b8=Q h4 (32...
a1=R {is not the saving move} 33. Qg8+ Kh6 34. Qf8+ Kh7 35. Bd3#) 33. Qg8+ Kh6
34. Bd3 a1=Q 35. Qg6# (35. Qg5#) 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "1.5"]
[White "Okuno, Rion"]
[Black "Pradipta, Davi Ernest"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1167"]
[BlackElo "1648"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "95"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] C26: Vienna Game: 2...Nf6, sidelines} 1. e4 e5 2. Nc3 Nc6 3. g3
Nf6 4. Bg2 Bc5 5. Nge2 O-O 6. O-O d6 7. Na4 Bb6 (7... Bg4 8. h3 Be6 9. d3 h6
10. Nxc5 dxc5 11. f4 Qe7 12. f5 Bd7 13. g4 Nh7 14. Qe1 Nd4 15. Nxd4 cxd4 16. h4
f6 17. Qg3 c5 18. a4 b6 19. Bd2 a6 20. b3 b5 21. axb5 axb5 22. Kh2 {Yu,Y (2675)
-Kryvoruchko,Y (2707) Dubai 2014 1-0 (60)}) 8. Nxb6 axb6 9. d4 Be6 $4 $146 (
9... Qe7 10. d5 Nb8 11. c4 Na6 12. Nc3 Ne8 13. Be3 f5 14. f4 fxe4 15. Nxe4 exf4
16. Bxf4 Bf5 17. Re1 Qd7 18. Ng5 Nc5 19. Re3 Nf6 20. b4 h6 21. bxc5 hxg5 22. c6
gxf4 23. cxd7 fxe3 24. Qe2 {Lupulescu,C (2598)-Nestorovic,N (2413) Bucharest
2010 1/2-1/2 (43)}) (9... exd4 $142 {was necessary} 10. Nxd4 Bd7 $11) 10. d5
$18 Bg4 11. dxc6 bxc6 12. h3 Bh5 (12... Be6 13. f4 $18) 13. Bg5 (13. c4 {
seems even better} Qe7 $18) 13... h6 14. Be3 Bg6 15. Nc3 d5 (15... Qe7 $18) 16.
exd5 cxd5 17. Nxd5 e4 18. Nxf6+ Qxf6 19. Qd4 Qe6 20. c4 (20. Qc3 {makes it
even easier for White} c5 $18) 20... c5 (20... Rfd8 {is not much help} 21. Qc3
$18) 21. Qc3 Rfd8 22. Rfd1 Re8 (22... Bh5 {doesn't change the outcome of the
game} 23. g4 Bg6 24. Bf4 $18) 23. a3 Rab8 (23... Rad8 {does not win a prize}
24. a4 $18) 24. Bf4 (24. Rd5 $5 {keeps an even firmer grip} Qc6 $18) 24... Rbd8
25. Be3 Qc6 $4 {there were better ways to keep up the pressure} (25... Rb8 26.
Rd5 f6 $18) 26. b4 $18 cxb4 (26... f6 {cannot change what is in store for White
} 27. bxc5 bxc5 28. Rxd8 Rxd8 29. a4 $18) 27. axb4 b5 (27... Qe6 {does not
help much} 28. Rxd8 Rxd8 29. Bf1 $18) 28. c5 Rc8 (28... f6 $18 {doesn't change
anything anymore}) 29. Rd6 (29. Bf1 $142 {seems even better} Red8 $18) 29...
Qc7 $4 (29... Qxd6 $142 $1 {and Black could well hope to play on} 30. Bd4 Qf8
$16) 30. Bf1 (30. Bf4 $142 {secures victory} Qb7 31. c6 $18) 30... Qxd6 $16 31.
Bxb5 (31. cxd6 $6 Rxc3 32. Bxb5 Rd8 $11) 31... Red8 32. Bf4 (32. Ba6 Qd7 33.
Kh2 Ra8 $18) 32... Qd4 (32... Qd5 $5 $16) 33. Qxd4 Rxd4 34. Ba6 Rcd8 $2 (34...
Ra8 $142 35. b5 Bf5 $16) 35. b5 $18 Rd1+ $6 {doesn't do very much to defend
the position} (35... Rb4 36. c6 Bf5 $18) 36. Rxd1 Rxd1+ 37. Kg2 Bf5 (37... e3 {
doesn't get the cat off the tree} 38. Bxe3 Rb1 39. c6 Be4+ 40. f3 Rb2+ 41. Bf2
Bxc6 42. bxc6 $18) 38. b6 e3 39. Bxe3 (39. Kf3 $142 {and White has triumphed}
exf2 40. Kxf2 $18) 39... Be4+ $16 40. f3 Bc6 41. Kf2 Ra1 $4 {strolling merrily
down the path to disaster} (41... Kf8 42. Bf4 Rb1 43. Bc4 $16) 42. Bc4 (42. Bb5
$142 $1 {and White wins} Ra2+ 43. Ke1 Bxf3 44. c6 $18) 42... Rb1 $16 43. Bf4
Rb2+ (43... Kf8 44. Bd2 $16) 44. Ke3 g5 (44... Rb4 45. Ba6 $16) 45. Bc7 (45.
Be5 Rb4 46. Bd3 Rb3 $16) 45... Rc2 (45... Rb4 $142 46. Bd3 Rb3 $16) 46. Bd3 $4
{White threatens to win material: Bd3xc2. with this move White loses his
initiative} (46. Kd3 $142 {White would have gained the upper hand} Rc1 47. f4
$18) 46... Rxc5 $11 47. Be4 (47. f4 f6 $11) 47... Bxe4 48. Kxe4 (48. Kxe4 Rb5
49. Kd4 $11) 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "2.1"]
[White "Kojima, Natsumi"]
[Black "Yoshii, Yukihiko"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1677"]
[BlackElo "1724"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "81"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8256] C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} 1. e4
e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Bg4 8. h3 Bxf3 (
8... Bh5 9. g4 Bg6 10. Nc3 h6 11. Nh4 Kh8 12. Nf5 Bxf5 13. gxf5 Nh7 14. f4 exf4
15. Bxf4 Bg5 16. Bh2 Bf6 17. Kh1 Be5 18. Qh5 {1/2-1/2 (18) Morozevich,A (2723)
-Timman,J (2670) Sarajevo 1999}) 9. Qxf3 Nd4 (9... Nd7 10. a5 Nd4 11. Qd1 Bg5
12. Nd2 Qe7 13. c3 Ne6 14. b4 Kh8 15. Nf3 Bxc1 16. Qxc1 Nf4 17. g3 Ng6 18. d4
h6 19. Qe3 a6 20. Rad1 Rad8 21. Bf1 Nf6 22. dxe5 dxe5 23. h4 c5 24. Qxc5 {
Bromberger,S (2522)-Wernert,W (2342) Germany 2015 1-0 (37)}) 10. Qd1 c5 $146 (
10... Nd7 11. Be3 Bg5 12. Nc3 (12. Nd2 Kh8 13. c3 Nc6 14. a5 a6 15. Nf3 Bxe3
16. fxe3 Qf6 17. b4 Qh6 18. b5 axb5 19. Bxb5 Nc5 20. a6 Ne7 21. axb7 Nxb7 22.
Rxa8 Rxa8 23. d4 f6 24. Qb1 Nd8 25. Bc4 Qg6 26. dxe5 fxe5 {Armanda,I (2356)
-Curic,D (2229) Split 2010 1-0}) 12... Bxe3 13. fxe3 Ne6 14. Qg4 Nf6 15. Qh4 g6
16. Rf1 Kg7 17. Rf2 Ng8 18. Qxd8 Nxd8 19. Nb5 a6 20. Nxc7 Rc8 21. Nd5 h5 22.
Raf1 h4 23. c3 f6 {1-0 (23) Armanda,I (2364)-Plenkovic,Z (2240) Bosnjaci 2005})
(10... c6 11. c3 Ne6 12. Bb3 Qc7 13. Nd2 d5 14. Nf3 Bd6 15. a5 Rae8 16. Nh4 Nf4
17. Qf3 Qd7 18. Nf5 Bc7 19. g3 N4h5 20. Be3 Kh8 21. Bc5 Rg8 22. Bxa7 Qe6 23.
Bb6 Bxb6 24. axb6 g6 25. Nh4 {Zhou,Y (2265)-Varnam,L (2167) Torquay 2009 1-0 
(45)}) (10... c6 11. c3 Ne6 12. Bxe6 fxe6 13. Nd2 $11) 11. c3 {White threatens
to win material: c3xd4} Nc6 12. Nd2 d5 (12... Qd7 13. a5 $14) 13. Ba2 (13. exd5
$5 Nxd5 14. Qf3 $16) 13... d4 {Black wins space} 14. Nf1 Qd7 15. Bg5 (15. Ng3
g6 $11) 15... h6 $11 16. Bxf6 Bxf6 {Opposite coloured bishops appeared} (16...
gxf6 $4 17. Qh5 Kh7 18. Nh2 $18) 17. Qf3 Rad8 18. Rad1 Ne7 19. Bb3 Qd6 20. Bc4
g6 21. cxd4 cxd4 22. Ng3 (22. Qg3 Rc8 $11) 22... Kh7 23. Rc1 (23. Nf1 Kg7 $15)
23... Ng8 (23... Bg5 24. Ra1 $15) 24. Re2 Bg5 {Black threatens to win material:
Bg5xc1} 25. Rd1 Qe7 26. Ree1 Nf6 27. Rb1 a6 28. b4 Bd2 {Black threatens to win
material: Bd2xe1. Black forks: e1+b4} (28... Ne8 29. Bd5 $17) 29. Red1 $15 Bxb4
$4 {throwing away the advantage} (29... Bc3 $142 $15 {and Black has air to
breath}) 30. Rxb4 $1 $16 {Deflection: f6} Qxb4 31. Qxf6 Rd7 $4 {another step
towards the grave} (31... Qd6 $142 32. Qf3 Rd7 $16) 32. Qxe5 (32. Nf5 $142 {
and White has prevailed} gxf5 33. Qxf5+ Kg7 34. Qxd7 $18) 32... Qxa4 33. Rf1
Qb4 (33... Rc8 34. Bd5 $18) 34. f4 (34. Nf5 $142 {might be the shorter path}
Rg8 35. Qf4 g5 $18) 34... b5 (34... f6 35. Qe6 Re7 36. Qd5 $18) 35. Bd5 $18 Re7
$4 {the position was bad, and this mistake simply hastens the end} (35... Qd6
$142 $18) 36. Qf6 a5 (36... Rg8 37. f5 Rg7 38. Bxf7 gxf5 39. Qxf5+ Kh8 $18) 37.
f5 g5 (37... Qd2 {is no salvation} 38. fxg6+ Kg8 39. Nf5 Qe3+ 40. Kh1 Qg1+ 41.
Kxg1 Rxe4 42. Nxh6#) 38. Nh5 Rg8 39. Bxf7 Rxf7 40. Qxf7+ Kh8 41. Nf6 (41. Nf6
Rg7 42. Qe8+ Qf8 43. Qxf8+ Rg8 44. Qxg8#) 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "2.2"]
[White "Kimura, Ryota"]
[Black "Okuno, Rion"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1681"]
[BlackElo "1167"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "90"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8256] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6
Be3 e5} 1. e4 c5 (1... e5 2. Nf3 Nc6 3. Bb5 $14) 2. Nf3 $14 d6 {Covers e5} 3.
d4 cxd4 4. Nxd4 {Black is behind in developement. Black's piece can't move: f8}
Nf6 {Black threatens to win material: Nf6xe4} 5. Nc3 a6 {Black is behind in
developement. Black's piece can't move: f8} 6. Be3 e5 7. Nb3 Be7 8. f3 {
Consolidates g4} Be6 9. Qd2 Nbd7 10. O-O-O b5 11. g4 b4 {Black threatens to
win material: b4xc3} 12. Ne2 (12. Nd5 Bxd5 13. exd5 Nb6 $11) 12... a5 $15 13.
g5 Nh5 14. f4 (14. Kb1 $142 $5 $15 {is worth looking at}) 14... a4 $17 15. Nbd4
{[%cal Yf4f5] White intends f5} exd4 16. Nxd4 b3 $1 {and the rest is history}
17. Kb1 (17. axb3 axb3 18. cxb3 (18. Nxb3 Nc5 {Decoy Double attack}) 18... Nc5
{Decoy Double attack}) (17. cxb3 axb3 18. axb3 (18. Nxb3 Nc5 {Decoy Double
attack} (18... Rxa2 {Discovered attack})) 18... Nc5 {Decoy Double attack})
17... bxc2+ $4 {not a good decision, because now the opponent is right back in
the game} (17... bxa2+ $142 {would have given Black the upper hand} 18. Ka1 Bg4
$19) 18. Qxc2 $15 O-O (18... Rc8 19. Nc6 Qc7 20. Bb5 $11) 19. f5 {White gains
space} Ne5 $4 {weakening the position. A valuable piece} (19... Rc8 $142 {
was much better} 20. Qg2 Bc4 $15) 20. fxe6 $18 Bxg5 21. Bxg5 (21. exf7+ $5 Nxf7
(21... Rxf7 $4 22. Ne6 Qe8 23. Nxg5 $18 (23. Bxg5 $6 Qxe6 24. Be2 Nf4 $11)) 22.
Bxg5 Nxg5 $18) 21... Qxg5 $16 22. exf7+ Rxf7 23. Bc4 (23. Nf5 $5 a3 24. Be2 $16
) 23... Nxc4 $11 24. Qxc4 Qc5 25. Qxc5 dxc5 26. Ne6 {White threatens to win
material: Ne6xc5} Rc8 27. Rd5 {White threatens to win material: Rd5xh5. White
forks: c5+h5} Nf6 {Black threatens to win material: Nf6xd5. Black forks: d5+e4}
28. Rxc5 {White has a mate threat.} Re8 {Black threatens to win material:
Re8xe6} 29. Ng5 Nxe4 30. Nxe4 Rxe4 {A double rook endgame occured} 31. Rc8+ Rf8
32. Rxf8+ Kxf8 33. Rf1+ Ke7 34. Rf2 g5 35. Kc2 Ke6 36. Kd3 Ke5 37. Rf7 {
White threatens to win material: Rf7xh7} Rh4 {Black threatens to win material:
Rh4xh2} 38. Rf2 h5 39. Ke3 Rh3+ 40. Ke2 Ke4 41. Kf1 g4 {Black gets more space}
42. Kg2 Re3 43. Kf1 Rh3 44. Kg2 Re3 {Twofold repetition} 45. Kf1 Rh3 1/2-1/2

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "2.3"]
[White "Sugimoto, Koichi"]
[Black "Kawamura, Takuto"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1978"]
[BlackElo "1462"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "39"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] E11: Bogo-Indian} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3
Bxd2+ 6. Bxd2 d6 7. e3 (7. g3 Nc6 8. Bc3 Ne4 9. Rc1 e5 10. Bg2 Bg4 11. d5 Ne7
12. O-O f5 13. Nd2 Nxd2 14. Qxd2 f4 15. gxf4 Rxf4 16. f3 Bh5 17. c5 Ng6 18. e3
Rf7 19. f4 exf4 20. exf4 Nh4 21. c6 b6 {Watson,J (2395)-Yermolinsky,A (2620)
Reno 1994 0-1 (41)}) (7. Qc2 Nbd7 8. g4 d5 9. Bg5 Qe8 10. e3 c5 11. dxc5 Ne4
12. Bh4 f5 13. Bg2 fxg4 14. Nd4 Ndxc5 15. b4 e5 16. bxc5 exd4 17. cxd5 d3 18.
Qxd3 Bf5 19. Qd4 Nxc5 20. Qxc5 Rc8 21. Qb4 Bd3 {Boensch,U (2524)-De Francesco,
K (2245) Austria 2014 1-0 (45)}) 7... c5 $146 (7... Re8 8. Be2 Nbd7 9. O-O Ne4
10. Be1 b6 11. Nd2 Bb7 12. Nxe4 Bxe4 13. Bd3 Bxd3 14. Qxd3 e5 15. Qf5 Qe7 16.
Bc3 g6 17. Qg4 f5 18. Qf3 Nf6 19. dxe5 dxe5 20. Rfd1 Ne4 21. Be1 Rad8 22. Rxd8
{Beaton,K (2175)-Grant,A (2175) Clarkston 2003 1/2-1/2}) (7... Qe7 8. Qc2 $11)
8. Rc1 (8. Qc2 b6 $14) 8... Nc6 9. Bc3 h6 {Prevents intrusion on g5} (9... Ne4
10. Bd3 Nxc3 11. Rxc3 $11) 10. Bd3 $14 Re8 11. O-O b6 {Secures a5} 12. Bb1 (12.
b4 $142 $16) 12... Nb8 $2 (12... Bb7 $142 $14 {and Black hangs on}) 13. dxc5
$18 dxc5 $2 (13... bxc5 14. Bxf6 gxf6 $18) 14. Qc2 (14. Bxf6 $142 {and White
can celebrate victory} Qxf6 15. Be4 $18) 14... Nbd7 $16 15. Rfd1 (15. Ne5 Nf8
$16) 15... Qe7 (15... Qc7 $142 $5 $14 {should be investigated more closely})
16. Ne5 $16 Nxe5 (16... Nf8 17. f3 $16) 17. Bxe5 $18 Bb7 $2 (17... a6 $18) 18.
Bxf6 gxf6 (18... Qxf6 {there is nothing else anyway} 19. Rd7 g6 20. Rxb7 Reb8
$18) 19. Qh7+ Kf8 20. Qh8# 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "2.4"]
[White "Akai, Kiyotaka"]
[Black "Nishimori, Toshiyuki"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1786"]
[BlackElo "1675"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "69"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8256] A57: Benko/Volga Gambit} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 g6 5.
e4 bxc4 6. Bxc4 d6 7. h3 Nbd7 8. Nf3 Bg7 9. O-O O-O 10. Bd2 (10. Rd1 Nb6 11.
Be2 e6 12. dxe6 Bxe6 13. Nc3 Qe7 14. Bg5 h6 15. Bh4 Rad8 16. Re1 g5 17. Bg3 Nh5
18. Bh2 f5 19. exf5 Bxf5 20. Qd1 d5 21. g4 Be4 22. gxh5 Qf7 23. Nxe4 dxe4 24.
Qc2 exf3 {Zvjaginsev,V (2585)-Topalov,V (2630) Pamplona 1994 1-0 (49)}) (10.
Bf4 Rb8 11. Nc3 Qa5 12. Bd2 Qb6 13. Na4 Qc7 14. Bc3 Nb6 15. Nxb6 Qxb6 16. Rfe1
Ba6 17. Nd2 Nd7 18. Bxg7 Kxg7 19. b3 Ne5 20. Bxa6 Qxa6 21. f4 Nd3 22. Rf1 f5
23. Nc4 fxe4 24. Qe2 Qb7 {Sulskis,S (2549)-Setkauskas,V (2301) Kaunas 2015 1-0
(59)}) 10... Rb8 11. Re1 Nxe4 $146 (11... Qb6 12. Bc3 Ba6 13. Nbd2 Bb5 14. b3
Rfe8 15. Rab1 a6 16. a4 Bxc4 17. Nxc4 Qc7 18. Qd3 Nh5 19. Ba5 Qb7 20. Bd2 Qc7
21. g4 Nhf6 22. Ba5 Qb7 23. Bc3 h5 24. g5 Nh7 25. Na5 Qc8 26. Nc6 {Alzaim,T 
(2252)-Asabri,H (2281) Doha 2002 0-1 (76)}) (11... Nh5 12. Bc3 Ne5 13. Nxe5
Bxe5 14. Bxe5 dxe5 15. Nd2 Nf4 16. Nf3 Qd6 17. Qc3 f6 18. b3 Ba6 19. Nd2 e6 20.
dxe6 Bxc4 21. Nxc4 Qxe6 22. Qa5 Qe7 23. Rad1 Rfd8 24. Rxd8+ Rxd8 25. Kh2 Rd3
26. Ne3 {Lopez Azambuja,N (2207)-Coppola,C (2207) Montevideo 2014 1/2-1/2 (66)}
) (11... Nh5 $5 {looks like a viable alternative} 12. Bc3 Qc7 $11) 12. Qxe4 $16
(12. Rxe4 $6 Bxb2 13. Bc3 Bxa1 14. Bxa1 Nf6 $11) 12... Bxb2 13. Bc3 Bxa1 14.
Bxa1 Nf6 (14... f6 15. Nbd2 $16) 15. Qc2 (15. Qe3 $142 {would have given White
a clear advantage} Ne8 16. Nbd2 $18) 15... Bf5 $14 16. Bd3 Bxd3 17. Qxd3 Qa5
18. a3 (18. Na3 c4 19. Nxc4 Qxd5 $14) 18... Rfe8 19. Nbd2 Nh5 (19... c4 $142 $5
{must definitely be considered} 20. Nxc4 Qxd5 $11) 20. Nc4 $16 Qa4 21. Qc3 f6
22. Nfd2 Qd7 23. Qf3 {Black has a cramped position} (23. Ne4 Qa4 $16) 23... Rf8
(23... Qf5 24. Qxf5 gxf5 25. g3 $14) 24. Bc3 Ng7 (24... Rbe8 25. Na5 $16) 25.
g4 {White king safety dropped} (25. Na5 Rbe8 $16) 25... Rf7 {Black has a
cramped position} 26. Na5 f5 27. g5 f4 (27... e5 $5 $14) 28. Bxg7 Kxg7 29. Nc6
Re8 (29... Rc8 $5 $16) 30. Re6 Rf5 (30... Kf8 $16) 31. h4 $18 Kf7 $2 (31... Kf8
$18) 32. Nc4 Rxd5 (32... Kf8 {hardly improves anything} 33. Qe4 $18) 33. Rxe7+
(33. Qxd5 Kf8 34. N6e5 Rd8 35. Nxd7+ Rxd7 36. Ne5 Rc7 37. Rxg6 e6 38. Qxd6+ Re7
39. Qd8+ Re8 40. Qf6#) 33... Rxe7 $18 34. Qxd5+ Re6 (34... Kf8 {is the last
straw} 35. Nxe7 Kxe7 36. Qe4+ Qe6 37. Qxf4 Kd7 $18) 35. N6e5+ $1 {Deflection:
d6} (35. N6e5+ Ke7 36. Nxd7 Kxd7 37. Qb7+ Ke8 38. Qc8+ Ke7 39. Qc7+ Ke8 40.
Nxd6+ Rxd6 41. Qxd6 $18) 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "2.5"]
[White "Pradipta	, Davi Ernest"]
[Black "Takeuchi, Hiroshi"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1648"]
[BlackElo "1371"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "72"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] A45: Trompowsky Attack} 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. c4 (4. h3
O-O (4... d6 5. c3 O-O 6. Bh2 Nbd7 7. Nf3 e6 8. Bd3 Qe7 9. O-O e5 10. Be2 e4
11. Nfd2 h5 12. c4 Re8 13. Nc3 Nf8 14. Rc1 c6 15. b4 Bf5 16. Nb3 Qd7 17. d5
Rad8 18. dxc6 bxc6 19. c5 {Rusev,K (2541)-Berg,E (2558) Vaxjo 2015 1-0 (44)})
5. c3 d5 6. Nd2 Nbd7 7. Ngf3 b6 8. a4 a5 9. Be2 Bb7 10. O-O Ne4 11. Rc1 Rc8 12.
b4 Ra8 13. b5 Re8 14. c4 e5 15. dxe5 Nxe5 16. cxd5 Nxf3+ 17. Bxf3 Nc3 18. Rxc3
Bxc3 {Kamsky,G (2721)-Mamedyarov,S (2757) Beijing 2013 0-1 (67)}) 4... d6 $146
{Consolidates e5} (4... O-O 5. Nc3 c5 6. Be2 d5 7. dxc5 Qa5 8. Nf3 Ne4 9. Be5
Nxc3 10. Qd2 Bxe5 11. Nxe5 dxc4 12. Qxc3 Qxc3+ 13. bxc3 Nd7 14. Nxd7 Bxd7 15.
Rb1 Rab8 16. O-O Rfc8 17. Rfd1 Ba4 18. Rd5 e6 19. Rd4 {Bakalarz,M (2305)
-Laurusas,T (2222) Wroclaw 2010 1/2-1/2 (79)}) 5. Bd3 (5. Be2 Nc6 $11) 5... O-O
(5... Nh5 $5 6. Bg3 c5 $17) 6. Nf3 $11 Nbd7 7. O-O c5 (7... Re8 8. Bg5 $11) 8.
Re1 (8. Nc3 Re8 $14) 8... b6 (8... cxd4 $5 9. exd4 e5 $11) 9. Nc3 $14 Bb7 10.
d5 {This push gains space} Nh5 11. Bg3 (11. h3 $5 $14 {is noteworthy}) 11...
Nxg3 $11 12. hxg3 Bxc3 13. bxc3 Re8 14. Qc2 e6 {Controls f5} 15. e4 e5 16. Qb1
Nf6 17. Be2 Kg7 18. Nd2 h5 19. a4 Rh8 20. Nf3 Bc8 21. Kh2 Bg4 22. Rh1 $2 (22.
Kg1 $5 $11 {is worthy of consideration}) 22... Bxf3 (22... h4 $142 $5 23. Kg1
hxg3 24. fxg3 Rxh1+ 25. Kxh1 Qh8+ 26. Kg1 Qh6 $19) 23. Bxf3 $17 Rh7 (23... h4
$5 24. Kg1 hxg3 25. fxg3 Rxh1+ 26. Kxh1 Qh8+ 27. Kg1 g5 $17) 24. Kg1 $11 Qh8
25. a5 bxa5 26. Rxa5 h4 27. gxh4 Rxh4 28. Rxh4 Qxh4 29. Qb7 (29. g3 $142 $5 {
deserves consideration} Qh6 30. Qb2 $11) 29... Rh8 $17 30. g3 {White threatens
to win material: g3xh4} Qh3 {White king safety dropped} (30... Qh6 31. Qb2 Nh7
$19) 31. Rxa7 $14 Rf8 32. Qc7 (32. Ra8 $5 $14) 32... Ng4 $11 33. Bxg4 Qxg4 34.
Qxd6 Qxe4 35. Qxc5 $4 {ruins a clearly superior position} (35. Re7 $142 {
would be a reprieve} Qe1+ 36. Kg2 Qe4+ 37. f3 Qe2+ 38. Kg1 Qe3+ 39. Kg2 Qe2+
40. Kg1 Qe3+ 41. Kg2 Qe2+ $11) 35... Rh8 $19 36. Kf1 (36. Rxf7+ {the last
chance for counterplay} Kxf7 37. Qc7+ Kf6 38. Qd6+ Kg5 39. Qe7+ Kg4 40. Qe6+
Qf5 41. Qxf5+ Kxf5 42. Kf1 $19) 36... Rh1# 0-1

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "3.1"]
[White "Akai, Kiyotaka"]
[Black "Kojima, Natsumi"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1786"]
[BlackElo "1677"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "64"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] D36: Queen's Gambit Declined: Exchange Variation: Main line (5
Bg5 c6 6 Qc2)} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Na6
7. e3 Nb4 8. Qb1 g6 9. a3 Bf5 10. e4 Bxe4 11. Nxe4 dxe4 12. Bxf6 Qxf6 13. Qxe4+
Kd7 $146 {Black loses the right to castle} (13... Kd8 14. Nf3 Nd5 15. Bc4 Bd6 (
15... Qe7 16. Bxd5 cxd5 17. Qxe7+ Kxe7 18. Kd2 Kd6 19. Ne5 Bh6+ 20. Kd3 Rac8
21. Rhe1 Rhe8 22. Re2 Rc7 23. Rae1 Rec8 24. g3 Bg7 25. f4 a5 26. g4 Bxe5 27.
dxe5+ Ke7 28. Rd1 Rc4 29. Ke3 Re4+ 30. Kf3 {Foisor,M (2220)-Rosen,E (2328)
Rockville 2012 0-1 (58)}) 16. O-O Re8 17. Qc2 Nb6 18. Rfe1 Kc7 19. Qb3 Nxc4 20.
Qxc4 Qf5 21. Rac1 Rad8 22. h3 Kb8 23. Kf1 g5 24. Rxe8 Rxe8 25. Re1 Rd8 26. Qe2
h6 27. Qe4 Qb5+ 28. Qe2 {Koksal,E (2321)-Lu,S (2533) Pune 2014 0-1 (52)}) 14.
Qg4+ (14. axb4 $4 {is suicide} Re8 15. Qxe8+ Kxe8 $19) 14... Kc7 (14... Kd8 15.
axb4 Bxb4+ 16. Kd1 Qxf2 17. Qe2 Qxd4+ 18. Kc2 $11) 15. axb4 $16 Bxb4+ 16. Kd1
h5 (16... Qxf2 17. Qg3+ Qxg3 18. hxg3 $16) 17. Qg3+ Bd6 18. Qc3 Qxf2 19. Nf3
Bf4 (19... Rhe8 20. Rc1 a5 21. Rc2 $16) 20. Qc2 $18 Qe3 (20... Qxc2+ 21. Kxc2
Rhe8 22. Bc4 $16) 21. Ra3 (21. Bd3 Qe6 $18) 21... Qe7 22. Bc4 Rhd8 23. Re1 Qf6
24. Rd3 (24. Qc3 Bd6 25. Ra5 a6 $18) 24... g5 (24... Re8 25. Qc3 Rad8 26. g3
$18) 25. Ne5 (25. Rf1 $5 Rf8 $18) 25... Bxh2 26. Kc1 (26. g3 $142 Bxg3 27. Rxg3
Rxd4+ 28. Bd3 $18) 26... Bg3 $4 {shortens the misery for Black} (26... Bxe5 27.
dxe5 (27. Rxe5 $6 Rxd4 28. Rxd4 Qxe5 $11) 27... Qf4+ 28. Rde3 $18) 27. Red1 (
27. Rxg3 $142 {finishes off the opponent} Rxd4 28. Qc3 $18) 27... Bxe5 $16 28.
dxe5 Qxe5 29. Rxd8 (29. Qf2 $5 {has some apparent merit} Qf4+ 30. Qxf4+ gxf4
31. Bxf7 $16) 29... Rxd8 $11 30. Rxd8 Kxd8 31. Qd2+ Kc7 32. Bxf7 Qc5+ (32...
Qc5+ 33. Qc2 Qg1+ 34. Qd1 Qc5+ 35. Qc2 Qg1+ 36. Qd1 Qc5+ 37. Qc2 $11) 0-1

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "3.2"]
[White "Okuno, Rion"]
[Black "Sugimoto, Koichi"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1167"]
[BlackElo "1978"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "67"]
[SourceVersionDate "2022.03.28"]

{B01: Scandinavian Defence} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3
c6 6. Bd3 Bg4 7. Ne4 Nxe4 8. Bxe4 Nd7 9. h3 Bh5 10. c3 Nf6 11. Bd3 e6 12. O-O
Be7 $146 (12... Qc7 13. Bg5 Bd6 14. Re1 h6 15. Bd2 Bxf3 16. Qxf3 O-O-O 17. b4
Rhe8 18. b5 c5 19. a4 c4 20. Bf1 Nd5 21. Qe2 Bh2+ 22. Kh1 Bf4 23. Bxf4 Qxf4 24.
g3 Qf6 25. a5 Kb8 26. b6 a6 27. Qe5+ {Buchenau,F (2345)-Muse,D (2418)
playchess.com INT 2005 1-0 (53)}) 13. Be2 O-O 14. Ne5 Bxe2 15. Qxe2 Rad8 16.
Bf4 Qd5 17. Rfd1 Qe4 {Black threatens to win material: Qe4xe2. Black forks:
e2+f4} 18. Qd2 c5 19. f3 {White threatens to win material: f3xe4} Qd5 20. Rac1
(20. Be3 cxd4 21. Bxd4 Nd7 $11) 20... a6 (20... Qxa2 21. Qc2 cxd4 22. cxd4 $17
(22. Rxd4 $2 Bc5 $19)) 21. a3 cxd4 22. cxd4 (22. Qxd4 $4 Bc5 23. Be3 Bxd4 24.
Bxd4 Qb3 $19) 22... Rc8 23. Rc3 Qb5 (23... Rxc3 24. Qxc3 Qb5 25. Bh2 $15) 24.
Bg5 h6 {Black threatens to win material: h6xg5} 25. Bh4 Nd5 26. Bxe7 Nxe7 27.
Rdc1 Rcd8 (27... Rxc3 28. bxc3 (28. Qxc3 $143 Rc8 29. Qd2 Rxc1+ 30. Qxc1 f6 $17
) 28... Nf5 29. c4 $11) 28. Rd3 Nf5 {[%cal Rd8d4,Rf5d4,Gd3d4] Exerts pressure
on the isolated pawn} (28... Nd5 29. Rc5 Qe8 30. Qe1 $15) 29. Rc5 {White
threatens to win material: Rc5xb5} Qb6 30. Nc4 (30. b4 $142 $5 $11 {and White
can hope to live}) 30... Qa7 $17 31. Ne3 {[%cal Yd4d5] White prepares d5} Ne7 (
31... Rxd4 $5 32. Rxd4 Qxc5 $17) 32. b4 Rd7 33. d5 (33. a4 b6 34. Rc4 Rfd8 $15)
33... Rfd8 $15 34. d6 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "3.3"]
[White "Yoshii, Yukihiko"]
[Black "Kimura, Ryota"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1724"]
[BlackElo "1681"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "86"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8256] A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} 1. c4 c5 2.
Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. O-O e5 7. d3 Nge7 8. e4 O-O (8... h6
9. Be3 Be6 10. Nd5 Rc8 11. Rc1 Qd7 12. a3 Nd4 {1/2-1/2 (12) Salvador,R (2461)
-Sanchez,J (2463) Venice 2009}) (8... Bg4 9. h3 Bxf3 10. Bxf3 O-O 11. Be3 Nd4
12. Bxd4 exd4 13. Nd5 Nxd5 14. exd5 {1/2-1/2 (14) Necevski,A (2277)-Kostic,N 
(2306) Nis 2013}) 9. Be3 f5 10. exf5 $146 (10. Qd2 f4 11. gxf4 Bg4 12. Ne1 exf4
13. Bxf4 Nd4 14. Bg3 Qd7 15. f4 Bh6 16. Nc2 Ne6 17. Rf2 Rf7 18. Raf1 Raf8 19.
Kh1 g5 20. f5 Nf4 21. Ne3 Bh3 22. Bxh3 Nxh3 23. Rg2 Kh8 24. Ncd5 Ng6 {Ramirez,
E (2293)-Tristan,L (2321) Mar del Plata 2006 1-0 (32)}) 10... Bxf5 11. Qd2 Nb4
{Black threatens to win material: Nb4xd3} 12. Ne1 Rb8 13. a3 {White threatens
to win material: a3xb4} Nbc6 14. Nf3 Na5 (14... Nd4 15. Rae1 $11) 15. Qc2 Nxc4
(15... Nac6 $11) 16. Bg5 (16. Qb3 $142 d5 17. Bxc5 $14) 16... Nb6 $15 17. Nh4
Be6 18. Ne4 (18. b4 $5 $15) 18... Qd7 19. Qd2 (19. b4 c4 20. dxc4 Nxc4 $17)
19... Nf5 20. Nxf5 Bxf5 (20... gxf5 $142 $5 21. Nc3 c4 $19) 21. Nc3 $15 a6 {
Secures b5} 22. a4 Bh3 (22... a5 23. Rfe1 $15) 23. a5 (23. Bxh3 $142 $5 {
is a viable option} Qxh3 24. Be7 $11) 23... Bxg2 $17 24. Kxg2 {White king
safety dropped} Qc6+ 25. f3 Nd5 26. Ne4 Nf6 (26... b5 27. axb6 Rxb6 28. Rfc1
$17) 27. Qc3 (27. Rac1 Rbc8 $11) 27... Nxe4 (27... b5 28. axb6 Rxb6 29. b3 $15)
28. dxe4 $11 {Black has a new backward pawn: d6} d5 {Black threatens to win
material: d5xe4} 29. Rac1 dxe4 30. Qc4+ {White forks: e4} Kh8 31. fxe4 Rxf1 32.
Rxf1 Qb5 (32... b5 33. axb6 Rxb6 34. Rf2 $11) 33. b3 (33. Qxb5 $5 axb5 34. Rf7
$14) 33... Qxa5 34. Qd5 Qa2+ 35. Rf2 {White threatens to win material: Rf2xa2}
Qb1 $4 {makes life more difficult} (35... Qa1 $142 $11 {would save the game})
36. Rf7 (36. Bh6 Qe1 37. Bxg7+ Kxg7 38. Qxe5+ Kh6 39. Qf4+ Kg7 40. Qf6+ Kh6 41.
Rf4 Qe2+ 42. Kh3 Qg4+ 43. Rxg4 Rd8 44. Rh4#) 36... Qc2+ 37. Kh3 Qe2 38. Rxg7 $1
{Mate threat} Qh5+ (38... Kxg7 39. Qxe5+ Kf7 (39... Kf8 40. Qxb8+ Kf7 (40...
Kg7 41. Qxb7+ {Combination}) 41. Qxb7+ {Combination}) (39... Kg8 40. Qxb8+ Kf7
(40... Kg7 41. Qxb7+ {Combination}) 41. Qxb7+ {Combination}) 40. Qc7+ Ke6 (
40... Ke8 41. Qe7# {Mate attack}) (40... Kf8 41. Bh6+ {Combination}) (40... Kg8
41. Qxb8+ {Combination}) 41. Qe7# {Mate attack}) (38... Z0 $140 39. Rxh7+ {
Mate threat}) 39. Bh4 Kxg7 40. Qxc5 $4 {forfeits the clear win.} (40. g4 $142 {
nails it down} Qh6 41. Qxe5+ Kg8 42. Qxb8+ Qf8 43. Qxf8+ (43. Qxb7 $6 {is much
worse} Qf1+ 44. Kg3 Qe1+ 45. Kf3 Qxh4 $14) 43... Kxf8 44. Kg3 $18) 40... Rf8
$19 41. Kg2 (41. b4 $19 {no good, but what else?}) 41... Qe2+ 42. Kh3 Qf1+ 43.
Kg4 h5+ (43... h5+ 44. Kg5 Qf6#) 0-1

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "3.4"]
[White "Shimomura, Kensei"]
[Black "Takeuchi, Hiroshi"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1240"]
[BlackElo "1371"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "98"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] A05: R騁i Opening: 1 Nf3 Nf6} 1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. b3
$146 (4. g3 c5 5. Bg2 Nc6 6. O-O Bg7 7. d3 Bg4 8. h3 Bd7 9. Be3 e5 10. Ne2 O-O
11. Qd2 Nd4 12. Nfxd4 cxd4 13. Bg5 Qb6 14. c3 dxc3 15. bxc3 Rac8 16. Rab1 Qa6
17. Rb2 Rc7 18. Rfb1 Rfc8 {Jimenez Morales,F (2259)-Insua Mellado,J (2167)
Seville 2000 1-0 (40)}) (4. d3 Bg7 5. Bg5 h6 6. Be3 O-O 7. Be2 e5 8. h3 Nc6 9.
Qd2 Kh7 10. O-O d5 11. exd5 Nxd5 12. Nxd5 Qxd5 13. c3 f5 14. Qc2 Be6 15. Rfd1
Rad8 16. Ne1 Rf7 17. Bf3 Qd6 18. Qa4 Bd5 {Engel,B (2185)-Grimberg,B (2379)
Frankfurt 2014 1/2-1/2 (35)}) (4. Be2 Bg7 5. O-O O-O 6. d3 c5 7. h3 Nc6 8. Be3
e5 9. Nh2 Nd4 10. Bg4 Nxg4 11. hxg4 Be6 12. Nd5 f5 13. gxf5 gxf5 14. f4 fxe4
15. dxe4 Bxd5 16. exd5 Nf5 17. Bd2 exf4 18. Bxf4 Bxb2 {Leite,C (2153)-Arribas
Robaina,M (2303) Dresden 2008 1/2-1/2 (37)}) (4. d4 $5 $14 {is an interesting
idea}) 4... Bg7 $11 5. Bb2 (5. d4 O-O $11) 5... O-O (5... Nxe4 6. Bb5+ (6. Nxe4
$2 Bxb2 7. Rb1 Bg7 $19) 6... Nd7 7. Qe2 Nxc3 8. Bxc3 Bxc3 9. Bxd7+ Qxd7 10.
dxc3 $17) 6. Be2 (6. d4 c5 $11) 6... e5 (6... Nxe4 $142 $5 7. h4 Nc6 $17) 7.
O-O $11 Nc6 8. d4 (8. h3 $142 $5 $11 {should be considered}) 8... exd4 $17 9.
Nxd4 Bd7 (9... Nxd4 10. Qxd4 Re8 11. e5 dxe5 12. Qxd8 Rxd8 13. Bd3 $17) 10. Nf3
(10. f3 Re8 11. Nxc6 Bxc6 $11) 10... Re8 (10... Nxe4 $142 $5 11. Nxe4 Bxb2 $17)
11. Bd3 $15 Nb4 12. Re1 Nxd3 {Black forks: b2+e1} 13. cxd3 {Black has the pair
of bishops} Bc6 14. Nd5 (14. Qd2 $142 $11 {and White is still in the game})
14... Nxd5 $17 15. Bxg7 Kxg7 16. exd5 Bxd5 17. Qd2 (17. Rxe8 Qxe8 18. Qd2 Qd7
$17) 17... Qd7 (17... Qf6 18. Rac1 $17) 18. Rxe8 (18. Ng5 $5 $17) 18... Rxe8
$19 (18... Qxe8 $6 19. Qc3+ Kg8 20. Qxc7 Bxf3 21. gxf3 $15) 19. Qc3+ f6 20. Qd4
(20. Re1 c5 $19) 20... Bxf3 21. gxf3 Qc6 (21... c5 22. Qf4 $19) 22. Qg4 (22.
Kg2 a5 $19) 22... h5 (22... Re7 23. f4 $19) 23. Qh3 (23. Qc4 Qxf3 24. Qxc7+ Kh6
25. Qxd6 $19) 23... f5 24. f4 Qc3 25. Qf1 Qf6 (25... c6 $142 $5 {makes it even
easier for Black} 26. Qd1 $19) 26. Rc1 Re7 27. Qg2 $2 (27. Re1 c5 $19) 27... c6
(27... Qb2 {and Black can already relax} 28. Qf1 Qxa2 29. Qd1 $19) 28. Qg3 $2 (
28. Qf1 Qh4 29. Re1 Rd7 $19) 28... Kf7 (28... Qb2 {keeps an even firmer grip}
29. Rd1 $19) 29. h4 (29. Kg2 Re2 $19) 29... Re2 30. a4 (30. Kg2 {cannot change
destiny} Qb2 31. Rg1 Qxa2 $19) 30... Qb2 31. Kf1 (31. Rf1 {there is nothing
better in the position} Qxb3 32. Qf3 $19) 31... Re7 32. Re1 Rxe1+ 33. Kxe1 Qxb3
34. Qg5 Qc3+ 35. Ke2 Qf6 36. Qxf6+ (36. Qg1 {desperation} Qe6+ 37. Kf3 $19)
36... Kxf6 37. Kd2 Ke6 38. Kc3 Kd5 39. Kb4 Kd4 40. Ka5 Kxd3 41. Kb4 Ke4 42. a5
Kxf4 43. a6 bxa6 44. Ka5 g5 45. f3 gxh4 46. Kxa6 h3 47. Kb7 (47. Kxa7 {is no
salvation} h2 48. Kb7 h1=Q 49. Kc7 h4 50. Kd7 h3 51. Ke7 Qb1 52. Kd7 Qb7+ 53.
Ke6 h2 54. Kxd6 h1=Q 55. Kc5 Qa1 56. Kc4 Qb5#) 47... h2 48. Kb8 (48. Kc7 {
does not improve anything} h1=Q 49. Kd7 Qxf3 50. Ke7 h4 51. Ke6 h3 52. Kd7 h2
53. Ke7 Qd5 54. Kd7 h1=Q 55. Kc8 Qh7 56. Kb8 Qdg8#) 48... h1=Q 49. Kxa7 (49.
Kb7 {doesn't get the bull off the ice} h4 50. Kxc6 Qxf3+ 51. Kd7 h3 52. Ke6 h2
53. Kxd6 h1=Q 54. Kc5 Qa3+ 55. Kc4 Qe4+ 56. Kb5 Qd5#) 49... Qb1 (49... Qb1 50.
Ka8 h4 51. Ka7 h3 52. Ka8 h2 53. Ka7 h1=Q 54. Ka6 Qxf3 55. Ka5 Qb5#) 0-1

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.26"]
[Round "3.5"]
[White "Nishimori, Toshiyuki	"]
[Black "Kawamura, Takuto"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1675"]
[BlackElo "1462"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "113"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8256] B18: Classical Caro-Kann: 4...Bf5 sidelines} 1. e4 c6 2. d4 d5 3.
Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bc4 Ngf6 8. O-O e6 9. Bg5 (9. Re1
Be7 10. a4 O-O 11. c3 c5 12. a5 Qc7 13. Qe2 Rfe8 14. a6 Bf8 15. Bb5 Reb8 16.
Bg5 Nd5 17. Ne5 Nxe5 18. dxe5 Qb6 19. Bc1 bxa6 20. Bxa6 Rd8 21. h4 h6 22. h5
Bh7 23. Ne4 Qc7 {Kagan,S (2445)-Huebner,R (2595) Luzern 1979 1-0 (56)}) 9...
Be7 10. Re1 (10. Qe2 O-O 11. Rad1 Qc7 12. Rfe1 Rfe8 13. Bb3 c5 14. c3 Rac8 {
1/2-1/2 (14) Lengyel,B (2268)-Eperjesi,L (2294) Budapest 2009}) 10... O-O 11.
c3 $146 {Secures b4} (11. Nh4 Nb6 (11... Re8 12. Nxg6 hxg6 13. c3 Qa5 14. Bxf6
Nxf6 15. Qf3 Bd6 16. a4 Qg5 17. Ne4 {1/2-1/2 (17) Lengyel,B (2261)-Szamoskozi,
G (2280) Budapest 2008}) 12. Nxg6 hxg6 13. Bf1 c5 14. dxc5 Bxc5 15. Ne4 Be7 16.
Qf3 Nbd5 17. Bxf6 Nxf6 18. Nxf6+ Bxf6 19. Rad1 Qb6 {1/2-1/2 (19) Lengyel,B 
(2289)-Petran,P (2369) Budapest 2007}) 11... b5 12. Bb3 h6 {Black threatens to
win material: h6xg5} 13. Bf4 (13. Bxf6 Bxf6 (13... Nxf6 $143 14. Ne5 $16) 14.
Bc2 Bxc2 15. Qxc2 Qc7 $14) 13... Nd5 $11 14. Bxd5 (14. Bd2 Qc7 $11) 14... cxd5
$15 {Black has the pair of bishops} 15. Qd2 Kh7 (15... Rc8 16. a3 $15) 16. Re2
(16. a4 a6 $11) 16... a5 $15 17. h3 Rc8 18. a3 {Covers b4} Qb6 19. Nh2 (19. Nf1
b4 $17) 19... Nf6 (19... b4 $5 20. axb4 axb4 $17) 20. Nf3 $11 Bh5 21. Nxh5 Nxh5
22. Qd3+ Kg8 23. Bd2 Nf6 24. Ne5 Rc7 25. Rae1 b4 {Black gains space} 26. a4 (
26. axb4 axb4 27. Qg3 Kh8 $11) 26... bxc3 27. bxc3 Qb3 28. Qb5 Qxb5 29. axb5 {
White has a new passed pawn: b5. Black has a new passed pawn: a5} Ne4 {Black
threatens to win material: Ne4xc3} (29... a4 30. Rb1 $15) 30. Nc6 $11 Nd6 (
30... Rb7 31. Rb1 $11) 31. Ra1 {White threatens to win material: Ra1xa5} (31.
Bf4 $142 $5 Rxc6 32. bxc6 $16) 31... Nxb5 $11 32. Nxe7+ Rxe7 33. Rxa5 Nd6 (
33... Rb7 $5 $15 {is an interesting alternative}) 34. Rxd5 $14 {Deflection: e6}
Nc4 (34... exd5 35. Re5 {Decoy Double attack} (35. Rxe7 {Deflection Pinning}))
35. Rc5 $16 Nxd2 36. Rxd2 Rd7 37. Re2 g5 38. Re4 Rfd8 39. g4 Kf8 40. Kg2 Ke7
41. Kg3 Rd6 42. f4 Kf6 43. f5 Rd5 44. Rxd5 (44. Rc6 $5 R8d6 45. Rxd6 Rxd6 46.
fxe6 fxe6 47. Kf2 $16) 44... exd5 $14 45. Re5 Rd6 46. Kf3 Rc6 {Black threatens
to win material: Rc6xc3} 47. Re3 Rd6 48. Ke2 Ra6 49. Kd3 Ra3 (49... Ra2 50. Rf3
$14) 50. Re5 $16 {White threatens to win material: Re5xd5} Ra5 51. Kc2 Rb5 (
51... Ra2+ $5 52. Kb3 Rh2 $16) 52. c4 $1 {Deflection: d5} Rb4 (52... dxc4 53.
Rc5 {Decoy Double attack} (53. Rxb5 {Deflection Pinning})) (52... Z0 $140 53.
cxb5 {Mate threat}) 53. Rxd5 (53. cxd5 $6 Rxd4 54. Re3 Rxd5 $11) 53... Rxc4+
54. Kb3 Rc6 55. Rc5 Rd6 (55... Rb6+ 56. Kc4 $16) 56. Kc4 Ke7 $4 {the position
is going down the drain} (56... Ra6 $142 $16) 57. Rc7+ $18 (57. Rc7+ Kf6 58.
Kc5 $18) 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "4.1"]
[White "Kimura, Ryota"]
[Black "Kojima, Natsumi"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1681"]
[BlackElo "1677"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "127"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] C45: Scotch Game} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5.
Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. f4 Bg7 11. Qe4 (11. Qf2
Nf6 (11... Nb6 12. Ba3 Qe6 13. Nd2 Qe7 14. Nb1 d6 {1/2-1/2 (14) Akhayan,R 
(2245)-Beukema,S (2295) Antwerp 2013}) 12. Be2 d6 13. Bf3 O-O 14. O-O Bb7 15.
Bb2 Nd7 16. exd6 cxd6 17. Bxg7 Kxg7 18. Nc3 Nf6 19. Rad1 Rfd8 20. Rd3 d5 21.
cxd5 cxd5 22. Rfd1 Qc7 23. Qd4 Qb6 24. Nxd5 Bxd5 25. Bxd5 Rxd5 {Van der Wiel,J
(2555)-Beliavsky,A (2640) Groningen 1994 1/2-1/2 (38)}) 11... Nf6 $146 (11...
f5 12. Qe2 (12. Qf3 Nb4 13. Na3 d6 14. Bb2 dxe5 15. Bxe5 Bxe5 16. fxe5 Qxe5+
17. Qe2 Qxe2+ 18. Bxe2 O-O-O 19. O-O Rd2 20. Bf3 Bb7 21. c5 Rxa2 22. Rxa2 Nxa2
23. Nc2 Nc3 24. Re1 Kd7 25. Nd4 Re8 26. Rc1 Ne4 {Cerovic,D (2201)-Markovic,M 
(2193) Belgrade 2009 1/2-1/2 (72)}) 12... Nb4 13. Qd2 c5 14. Nc3 d6 15. a3 Nc6
16. Nd5 Qf7 17. Bb2 dxe5 18. fxe5 O-O 19. O-O-O Rab8 20. Kc2 Nxe5 21. Qf4 Rfe8
22. Re1 Ng4 23. Bxg7 Qxg7 24. Bd3 Ne5 25. Qg5 Kh8 26. Qf6 {Kjeldsen,J (2305)
-Ochsner,T (2275) Denmark 1991 1/2-1/2 (63)}) (11... Nb6 12. Bd3 f6 13. Bb2
fxe5 14. fxe5 d5 15. Qe2 O-O 16. Nd2 Rae8 17. Nf3 dxc4 18. bxc4 Qb4+ 19. Qd2
Qxd2+ 20. Nxd2 Na4 21. O-O-O Nxb2 22. Kxb2 Rxe5 23. Kc2 Rf2 24. g3 Ra5 25. Kb3
Rf8 26. Bb1 {Charbonneau,P (2405)-Meng,F (2249) Vancouver 2002 0-1 (38)}) (
11... f5 12. Qf3 Nb4 $17) 12. Qf3 $14 O-O (12... O-O-O 13. Ba3 d6 14. Nc3 $11 (
14. Qxc6 $4 {the pawn is something White will choke on} Bb7 15. Qa4 Nh5 $19))
13. Be2 {White should quickly conclude development.} (13. Ba3 c5 14. Nc3 Rab8
$14) 13... Rfe8 (13... Rab8 14. Nc3 Ne8 $11) 14. O-O (14. Bb2 $142 $14) 14...
Bh8 $4 {gives the opponent new chances} (14... d6 $142 {would allow Black to
play on} 15. Ba3 c5 $11) 15. Nc3 (15. Ba3 Qe6 16. Nc3 $16 (16. exf6 {is the
less attractive alternative} Qxf6 17. Rc1 Qd4+ 18. Kf1 Qxa1 $17)) 15... Nh5 16.
Qh3 {[%cal Yf4f5] White prepares the advance f5} Ng7 17. Ne4 Ne6 18. f5 $4 {
hands over the advantage to the opponent} (18. Bb2 $142 d5 19. exd6 cxd6 20.
Bxh8 Kxh8 21. Qc3+ Ng7 22. Nxd6 Qxd6 23. c5 $16) 18... Bxe5 $17 19. fxe6 (19.
f6 $5 Qb4 20. Bd2 Qb6+ 21. Kh1 $17) 19... Qxe6 $19 20. Bg4 Bd4+ 21. Be3 Bxe3+ (
21... Qxe4 $142 {a shame that Black overlooked this excellent chance} 22. Bxd4
Qxd4+ 23. Kh1 Re3 $19) 22. Qxe3 $15 Qxe4 23. Qxe4 Rxe4 24. Bxd7 Rd8 {Black
threatens to win material: Rd8xd7} (24... Bb7 $142 $5 $15 {should be
investigated more closely}) 25. Bxc6 $14 Re7 26. Rfe1 Rxe1+ 27. Rxe1 Kf8 28.
Kf2 Bc8 29. Re5 Bf5 (29... Rd6 $142 $5 {might be a viable alternative} 30. Re8+
Kg7 $14) 30. Ra5 $16 Rd2+ 31. Ke3 Rd3+ 32. Kf4 Rd4+ (32... Ke7 33. Bf3 $16 (33.
Rxa7 $143 Kf6 34. h4 h6 $15)) 33. Ke5 Rd6 (33... Rd2 34. Rxa7 f6+ 35. Kf4 $16)
34. Bd5 f6+ (34... a6 35. c5 Rd7 36. Rxa6 $18) 35. Kf4 (35. Kd4 c6 36. Kc5 Rd7
37. Bxc6 Re7 $18) 35... c6 (35... a6 36. Rc5 Be6 37. Bb7 $16 (37. Rxc7 $6 Bxd5
38. cxd5 Rxd5 $14)) 36. Ra6 (36. Bf3 Rd4+ 37. Ke3 Rd3+ 38. Ke2 Rd7 39. Bxc6 Rc7
$18) 36... Bc8 $2 (36... Bb1 $142 37. Bf3 g5+ 38. Kg4 Rd2 $16) 37. Rxc6 $18
Rxc6 38. Bxc6 Ke7 39. c5 Kd8 40. b4 Kc7 41. Bd5 Bf5 (41... Bd7 42. Ke3 $18) 42.
a3 (42. a4 {and White can already relax} Bd3 $18) 42... Bd3 (42... Bd7 43. Bg8
h6 44. Bc4 $18) 43. g3 (43. a4 {seems even better} Bc2 44. a5 g5+ 45. Ke3 Ba4
$18) 43... Bc2 44. h4 Bd3 $6 {just waiting for the end} (44... Kd7 45. Ke3 $18)
45. Bg8 (45. h5 {keeps an even firmer grip} gxh5 46. Be4 Bc4 $18) 45... h5 (
45... Bc2 46. Ke3 h6 47. Bh7 $18) 46. Bd5 Bf5 (46... Bb5 $18 {hoping against
hope}) 47. Be4 Bxe4 (47... Bg4 $18 {is still a small chance}) 48. Kxe4 Kc6 49.
Kd4 g5 50. hxg5 fxg5 51. Ke5 h4 52. gxh4 gxh4 53. Kf4 a5 54. Kg4 axb4 55. axb4
Kb5 (55... Kd5 {does not help much} 56. Kh3 Ke5 57. c6 Kf5 58. c7 Kg6 59. c8=Q
Kg5 60. b5 Kf4 61. b6 Ke3 62. b7 Kd4 63. b8=Q Ke4 64. Qg4+ Kd5 65. Qb6 Ke5 66.
Qbd4#) 56. Kxh4 Kc6 57. Kg5 Kc7 (57... Kb5 {cannot change what is in store for
White} 58. Kg4 Kxb4 59. c6 Kc4 60. Kg3 Kb5 61. c7 Kc4 62. c8=Q+ Kd4 63. Qh8+
Kc4 64. Qf6 Kd5 65. Qd8+ Kc6 66. Kg4 Kb7 67. Kf5 Kc6 68. Ke4 Kc5 69. Qa5+ Kc4
70. Qd5+ Kc3 71. Qd3+ Kb2 72. Qb5+ Kc2 73. Qb4 Kd1 74. Qb2 Ke1 75. Ke3 Kd1 76.
Qd2#) 58. b5 Kc8 59. Kf6 Kc7 (59... Kd7 {doesn't get the cat off the tree} 60.
Ke5 Kd8 61. b6 Kd7 62. Kd5 Kc8 63. c6 Kd8 64. Kd6 Ke8 65. c7 Kf7 66. c8=Q Kf6
67. Qg4 Kf7 68. Qg5 Kf8 69. Ke6 Ke8 70. Qe7#) 60. Ke7 Kc8 (60... Kb8 {doesn't
change anything anymore} 61. Kd6 Kc8 62. b6 Kb7 63. c6+ Kxb6 64. c7 Kb5 65. Kd5
Ka5 66. Kc4 Ka6 67. c8=Q+ Kb6 68. Qd7 Ka6 69. Kc5 Ka5 70. Qb5#) 61. Kd6 Kb7 (
61... Kb8 {doesn't change the outcome of the game} 62. c6 Ka7 63. Kc5 Kb8 64.
b6 Kc8 65. Kd6 Kd8 66. b7 Ke8 67. b8=Q+ Kf7 68. c7 Kg6 69. Qb1+ Kg5 70. c8=Q
Kh4 71. Qg1 Kh5 72. Qh3#) 62. c6+ Kc8 (62... Kb6 {hardly improves anything} 63.
c7 Ka5 64. Kd5 Ka4 65. b6 Kb4 66. c8=Q Ka4 67. Qc4+ Ka3 68. b7 Kb2 69. b8=Q+
Ka3 70. Qbb4#) 63. b6 Kb8 (63... Kd8 {does not solve anything} 64. b7 Ke8 65.
b8=Q+ Kf7 66. c7 Kg7 67. Qb1 Kh6 68. c8=Q Kg7 69. Qbf5 Kh6 70. Qcf8#) 64. b7 (
64. b7 Ka7 65. Kc7 Ka6 66. b8=Q Ka5 67. Qb3 Ka6 68. Qb6#) 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "4.2"]
[White "Takeuchi, Hiroshi"]
[Black "Okuno, Rion"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1371"]
[BlackElo "1167"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "70"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8256] B34: Sicilian: Accelerated Dragon with 5 Nc3: sidelines} 1. d4 Nf6
2. Nf3 g6 3. Nc3 c5 4. e4 cxd4 5. Nxd4 Nc6 6. Nf3 $146 (6. f4 Qb6 7. Nf3 d6 8.
Bc4 Bg7 9. Qd3 O-O 10. Bb3 Bg4 11. Be3 Qa5 12. O-O Bxf3 13. gxf3 Qh5 14. Kh1
Rad8 15. Rad1 Qh3 16. Qe2 Nh5 17. Rg1 Kh8 18. Qf2 Qc8 19. f5 e6 20. Bg5 Bf6 {
Ljubojevic,L (2510)-Bilek,I (2485) Teeside 1972 1-0 (33)}) (6. Bg5 Bg7 7. Nb3
O-O 8. Qd2 a5 9. a4 d6 10. Bb5 Be6 11. Rd1 Rc8 12. O-O Nb4 13. Nd4 Bd7 14. Rfe1
Ng4 15. Re2 h6 16. Bh4 g5 17. Bg3 Ne5 18. b3 Ng6 19. Bxd7 Qxd7 20. Ncb5 Rfd8 {
Bojkovic,S (2216)-Milenkovic,M (2329) Kraljevo 2014 1/2-1/2 (50)}) (6. Nb3 Bg7
7. g3 d6 8. Bg2 Bg4 9. f3 Be6 10. f4 a5 11. Be3 a4 12. Nd4 a3 13. Nxe6 fxe6 14.
O-O axb2 15. Rb1 Ra3 16. Bd2 Qb6+ 17. Kh1 h5 18. e5 Ng4 19. Qe2 d5 20. Nb5 Rxa2
{Nilsson,N (2245)-Auchenberg,P (2240) Copenhagen 1984 0-1 (55)}) (6. Be2 e5 7.
Nf3 d6 8. O-O Be7 9. Re1 O-O 10. h3 Be6 11. Bf1 Qa5 12. Bd2 Qd8 13. Bc1 Qa5 14.
Bd2 Qd8 15. Na4 d5 16. exd5 Nxd5 17. Nxe5 Nxe5 18. Rxe5 Bf6 19. Re1 Rc8 20. c4
Nb6 {Liang,J (2415)-Tischbierek,R (2435) Timisoara 1987 1/2-1/2}) (6. Nxc6 dxc6
7. Qxd8+ Kxd8 $14) 6... Qa5 7. Bd3 {Black is behind in developement. Black's
piece can't move: c8} Bg7 {White has a very active position} 8. O-O O-O 9. a3 {
Controls b4} (9. Bd2 $5 $11) 9... d5 10. exd5 Nxd5 11. Nxd5 Qxd5 12. Be2 Qa5
13. c3 {Prevents intrusion on b4+d4} Rd8 14. Qc2 Bf5 {Black threatens to win
material: Bf5xc2} 15. Qb3 {White threatens to win material: Qb3xb7} Qc7 16. Be3
e5 17. Rfd1 Be6 {Black threatens to win material: Be6xb3} 18. Qc2 (18. Qa4 $142
$5 $11 {is worthy of consideration}) 18... Nd4 $17 19. Bxd4 exd4 20. Ng5 (20.
c4 Bf5 21. Bd3 Bg4 $17) 20... Bf5 21. Qb3 (21. Bd3 $142 Bxd3 22. Rxd3 dxc3 23.
bxc3 Rxd3 24. Qxd3 $17) 21... h6 $4 {gives away a clear win} (21... Qe7 $142 {
Black clearly has the better chances} 22. h4 dxc3 23. Rxd8+ Rxd8 24. bxc3 h6 (
24... Qxe2 $6 25. Qxf7+ Kh8 26. Qb3 $17) 25. Nxf7 Be6 (25... Qxf7 $4 26. Bc4
Rf8 27. Re1 $18) 26. Nxh6+ Bxh6 $19) 22. Nxf7 $1 $18 {a fitting end to a
beautiful game} Kh7 (22... Qxf7 23. Bc4 {Combination}) 23. Nxd8 Rxd8 24. Bd3 $4
{White loses the upper hand} (24. cxd4 {might be the shorter path} Bc2 25. Rdc1
Qxh2+ (25... Bxb3 $4 {going for material but overlooking...} 26. Rxc7 b6 27.
Rac1 $18) 26. Kxh2 Bxb3 $18) 24... Bg4 $4 {leads to further unpleasantness} (
24... dxc3 $142 25. Bxf5 cxb2 26. Bxg6+ Kxg6 $16) 25. f3 $18 Bd7 26. Qf7 (26.
cxd4 {might be the shorter path} Bxd4+ 27. Kh1 Bc6 $18) 26... Qb6 27. Kh1 Be8
28. Qe7 dxc3 $2 (28... Ba4 29. Re1 dxc3 $18) 29. bxc3 Kh8 (29... Rb8 {doesn't
do any good} 30. Rab1 Qf6 31. Rxb7 Rxb7 32. Qxb7 $18 (32. Qxe8 $6 {is the
weaker alternative} Qf7 33. Qe1 Re7 $18)) 30. h3 (30. Be4 $142 {makes it even
easier for White} Rc8 $18) 30... Bf6 $4 {leading to a quick end} (30... Ba4 31.
Rdb1 Qf6 $18) 31. Qf8+ Kh7 32. Bc4 h5 (32... Ba4 {praying for a miracle} 33.
Qf7+ Bg7 $18) 33. Bg8+ Kh8 34. Bf7+ Kh7 35. Qg8+ Kh6 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "4.3"]
[White "Sugimoto, Koichi"]
[Black "Akai, Kiyotaka"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "1978"]
[BlackElo "1786"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "65"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8256] D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7} 1. d4 d5 2. c4 e6 3.
Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3 O-O 9. Bg5 c4 10.
Rc1 (10. b3 Qa5 11. Bd2 Bb4 12. Qe1 Qa6 13. e3 Re8 14. Ne5 Nxe5 15. dxe5 Rxe5
16. Nxd5 Nxd5 17. Bxb4 Bf5 18. Bc3 Nxc3 19. Qxc3 Rc5 20. b4 Rcc8 21. e4 Be6 22.
a4 Rd8 23. b5 Qb6 24. Rfd1 Rxd1+ {Haik,A (2445)-Miralles,G (2425) Marseille
1987 0-1 (38)}) 10... Re8 $146 (10... h6 11. Bf4 (11. Bxf6 Bxf6 12. e3 Be6 13.
b3 Na5 14. bxc4 (14. Ne5 Rc8 15. f4 Bxe5 16. fxe5 Qg5 17. Rf4 cxb3 18. axb3
Rfd8 19. Ne2 Qe7 20. Rf1 Qb4 21. Rxc8 Rxc8 22. Nf4 Rd8 23. Nxe6 fxe6 24. Qg4
Re8 25. Qg6 Qe7 26. e4 {1-0 (26) Lieb,H (2155)-Fischer,M (2163) Germany 2014})
14... Nxc4 15. Nd2 Rc8 16. Nxc4 Rxc4 17. Ne2 Qa5 18. Nf4 Rxc1 19. Qxc1 Qxa2 20.
Qa1 Qxa1 {1/2-1/2 (20) Headlong,T (2179)-Holland,J (2200) England 2011}) 11...
Bf5 12. Be5 Re8 13. Re1 Ne4 14. a3 Rc8 15. Qa4 Qd7 16. Qd1 Qe6 17. Bf4 Bf6 18.
Be3 Rcd8 19. Qa4 Bh3 20. Qb5 Bxg2 21. Kxg2 Rd7 22. Nxe4 Qxe4 23. Kg1 a6 24. Qa4
h5 25. b3 {Jancovic,P (2171)-Privara,I (2205) Slovakia 2015 1-0 (36)}) (10...
Be6 11. b3 cxb3 12. Qxb3 $11) 11. Ne5 Be6 12. f4 {White has a new backward
pawn: e2. Black has an active position} Ng4 (12... Qb6 13. e3 Qxb2 14. f5 $14)
13. Bxe7 (13. Nxg4 Bxg4 14. Bxd5 Rc8 $14) 13... Nxe7 $11 14. Qd2 Nf6 15. e3 Qa5
(15... Rb8 16. Bf3 $11) 16. b3 (16. e4 dxe4 17. Nxe4 Qxd2 18. Nxd2 Rad8 $14)
16... b5 17. bxc4 bxc4 18. h3 {Covers g4} h5 19. Qe2 Nf5 {Black threatens to
win material: Nf5xg3} 20. Qf2 {Black has an active position} (20. Qe1 $142 Nh6
21. e4 dxe4 22. Nxe4 Qxe1 23. Rfxe1 Nxe4 24. Bxe4 $14) 20... Rac8 $4 {gives
the opponent counterplay} (20... Nd6 $142 $11 {is the best option Black has})
21. g4 $16 hxg4 (21... Nd6 22. f5 Bd7 23. g5 $18) 22. hxg4 Nxe3 (22... Nd6 23.
f5 Bd7 $18) 23. Qxe3 $18 Bxg4 (23... Nxg4 24. Nxg4 Bxg4 25. Qg3 $18) 24. Qg3
Bf5 25. Qg5 Bd3 (25... Be4 26. Nxe4 Nxe4 27. Bxe4 dxe4 28. Nxf7 Qxg5+ 29. fxg5
$18) 26. Rf3 (26. Nxd3 {and White can already relax} cxd3 27. Nxd5 Nxd5 28.
Bxd5 Qb6 29. Rxc8 Rxc8 30. Bxf7+ Kf8 $18) 26... Nh7 $2 (26... Qa3 27. Rg3 Qxc1+
28. Kh2 Bg6 29. Nxg6 Re3 (29... fxg6 $4 30. Qxg6 Rc7 31. Nxd5 $18) 30. Nxd5
Nxd5 31. Ne7+ Kf8 32. Nxc8 g6 33. Qh6+ Ke8 34. Bxd5 Kd7 35. Qh3+ Re6 36. Bxe6+
fxe6 $18) 27. Qh5 Re7 (27... g6 {cannot undo what has already been done} 28.
Qh6 Bf5 29. Re3 $18) 28. Rh3 f6 (28... Rxe5 {a last effort to resist the
inevitable} 29. Qxe5 Qc7 30. Nxd5 Qxe5 31. fxe5 Rb8 $18) 29. Nxd3 g6 30. Bxd5+
Kh8 31. Qh4 cxd3 32. Qxf6+ Rg7 33. Rxh7+ $1 {Decoy: h7} (33. Rxh7+ Kxh7 34.
Qh4#) 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "4.4"]
[White "Pradipta, Davi Ernest"]
[Black "Nishimori, Toshiyuki"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1648"]
[BlackElo "1675"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "119"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8256] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6
3 Bf4} 1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 Bd6 5. Bg3 O-O 6. Bd3 Qe7 $146 (6...
Ne4 7. Bxe4 (7. Nbd2 f5 8. Ne5 Nxd2 9. Qxd2 Nd7 10. O-O-O Bxe5 11. Bxe5 Nxe5
12. dxe5 Bd7 13. f4 Qe7 14. g4 c5 15. gxf5 exf5 16. Bc4 dxc4 17. Qxd7 Qxd7 18.
Rxd7 Rf7 19. Rhd1 Re8 20. R1d5 b6 21. Kd2 g5 {Bodi,T (2185)-Salanki,E (2296)
Hungary 2010 1-0 (35)}) 7... dxe4 8. Nfd2 f5 9. O-O Nc6 10. Bxd6 cxd6 11. Nc3
d5 12. f4 b6 13. a3 Ba6 14. Rf2 Rc8 15. Nf1 Na5 16. Qe1 Qh4 17. g3 Qe7 18. Nd1
Rc7 19. b4 Nc4 20. a4 Bc8 21. c3 {Mason,J-Blackburne,J London 1883 1/2-1/2 (33)
}) (6... c5 7. c3 Qc7 (7... Nc6 8. O-O Bxg3 9. hxg3 Qd6 10. Bb5 Bd7 11. Nbd2
Nxd4 12. Nxd4 cxd4 13. Bxd7 dxe3 14. fxe3 Nxd7 15. g4 Qb6 {0-1 (15)
Ptaschinski,D (2220)-Boricsev,O (2415) Eger 1992}) 8. Ne5 Nbd7 9. f4 b6 10. Nd2
Bb7 11. Qf3 c4 12. Bc2 b5 13. Bh4 b4 14. Qh3 Ne4 15. O-O f5 16. Nxe4 dxe4 17.
Nxc4 bxc3 18. bxc3 Ba6 19. Nxd6 Qxd6 20. Rfc1 Rac8 21. Bb3 {Chernyshov,K (2544)
-Brinck Claussen,B (2359) Budapest 2006 1/2-1/2 (31)}) (6... b6 7. c3 c5 8.
Nbd2 Ba6 9. Bxa6 Nxa6 10. Qe2 Nc7 11. Ne5 h6 {1/2-1/2 (11) Slabek,A (2155)
-Sikora Gizynska,B (2225) Prague 1992}) 7. Ne5 b6 8. f4 c5 9. c3 c4 {Black
threatens to win material: c4xd3} 10. Bc2 Ne4 (10... Qc7 11. O-O $11) 11. Nd2 (
11. Bxe4 $142 dxe4 12. Nxc4 $14) 11... f6 $2 (11... Nxd2 12. Qxd2 Bb7 13. O-O
$11) 12. Nef3 $4 {Loses material. releasing the pressure on the opponent} (12.
Nxe4 $142 $5 fxe5 13. Nxd6 (13. dxe5 $6 Bxe5 14. fxe5 dxe4 $16) (13. fxe5 $6
Bxe5 14. dxe5 dxe4 $16) 13... Qxd6 14. fxe5 $18) 12... Bb7 (12... f5 $142 $5
$11 {is an interesting alternative}) 13. Nxe4 $16 dxe4 14. Nd2 f5 15. a4 $4 {
a transit from better to worse} (15. Nxc4 Nd7 $16) 15... Nd7 (15... Rc8 $142
$15 {would keep Black in the game}) 16. Nxc4 $16 Bc7 17. Bb3 Bd5 18. Nd2 Rad8
19. c4 Bb7 20. Qh5 {Black king safety dropped} Nf6 21. Qe2 {Black king safety
improved} Kh8 22. Bh4 Bc8 (22... h6 23. a5 $16) 23. h3 Qe8 (23... Qb4 24. O-O
$16) 24. g4 g6 (24... Ba6 25. O-O-O $16) 25. Bxf6+ Rxf6 26. g5 Rf8 (26... Rf7
27. O-O-O $16) 27. h4 $18 Rd7 28. h5 Rg7 29. hxg6 Rxg6 30. Qh5 Qf7 31. Qh2 $4 {
a transit from better to worse} (31. c5 $142 $18 {White had this great chance})
31... Rxg5 $11 32. O-O-O Rg7 33. Rdg1 Rxg1+ 34. Rxg1 Rg8 35. Rxg8+ Qxg8 36. Nf1
Bd6 37. d5 exd5 38. cxd5 Bb7 {Black threatens to win material: Bb7xd5} 39. Qd2
Qc8+ 40. Kb1 Kg8 (40... Qg8 41. Qe1 $11) 41. Qg2+ (41. Ng3 $5 $16) 41... Kh8
$11 42. Qd2 {Twofold repetition} Ba6 {Black threatens to win material: Ba6xf1}
(42... Kg8 43. Ng3 Ba6 44. Ka2 $16) 43. Qd4+ Kg8 44. Qf6 {White threatens to
win material: Qf6xd6} Qf8 {Black threatens to win material: Qf8xf6} 45. Qe6+ $4
{White is ruining his position} (45. Qg5+ $142 Kh8 46. Ng3 $11) 45... Kg7 (
45... Kh8 $142 {and Black wins} 46. Qd7 Bxf1 47. Qxa7 Bd3+ 48. Ka2 h5 $19) 46.
Ng3 $18 Bc8 47. Nh5+ (47. Nxf5+ $142 {and White takes home the point} Qxf5 48.
Qxd6 $18) 47... Kh8 $19 48. Qf6+ Qxf6 49. Nxf6 Be7 (49... Bc5 50. d6 Bxd6 51.
Kc2 $19) 50. Ne8 (50. Nh5 Bc5 $19) 50... Bc5 51. d6 (51. Kc2 $142 h5 52. Kd2
$19) 51... Bxe3 $4 {allows the opponent back into the game} (51... h5 $142 {
makes sure everything is clear} 52. Bc4 h4 $19) 52. Nf6 $17 Bxf4 53. d7 Bxd7 $1
{securing the lead.} 54. Nxd7 h5 (54... Kg7 $142 $5 $17) 55. Be6 $11 e3 {
Pushes the passed pawn} 56. Bc4 (56. Bxf5 $4 {capturing this pawn is a mistake}
e2 57. Ka2 Kg7 $19) 56... h4 57. Kc2 h3 {He broke from his leash} 58. Kd3 h2
59. Bd5 Be5 $4 {ignoring the path to victory} (59... Kg7 $142 $11 {would hold
out}) 60. Nxe5 $18 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "4.5"]
[White "Nakamura, Mitsuru"]
[Black "Shimomura, Kensei"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1406"]
[BlackElo "1240"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "170"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} 1. d4 Nf6
2. Nf3 d5 3. c4 c6 4. e3 Nbd7 (4... Qb6 5. Nbd2 Bf5 6. b3 e6 7. Bb2 a5 8. a3
Nbd7 9. Be2 Be7 10. O-O O-O 11. h3 h6 12. c5 Qc7 13. b4 b5 14. a4 bxa4 15. Qxa4
Rfb8 16. b5 cxb5 17. Bxb5 Bxc5 18. Rfc1 Nb6 19. Qa2 {Fridman,D (2616)-Kamsky,G
(2692) playchess.com INT 2006 1-0 (35)}) 5. Nbd2 (5. b3 e6 6. Bb2 b6 7. Bd3 Bb7
8. O-O Be7 9. Nc3 c5 10. cxd5 exd5 11. Rc1 O-O 12. Qe2 Re8 13. Rfd1 Bd6 14. Ba6
Qc8 15. Bd3 a6 16. Bf5 Bc6 17. dxc5 bxc5 18. Na4 Bxa4 19. Bxf6 Bc6 {Tonkov,B 
(2294)-Trichkov,V (2338) Sunny Beach 2014 1/2-1/2 (31)}) 5... c5 $146 (5... g6
6. g3 (6. Bd3 Bg7 7. O-O O-O 8. h3 Re8 9. Qc2 e5 10. dxe5 Nxe5 11. Nxe5 Rxe5
12. Nf3 Rh5 13. Rd1 Qe7 14. Nd4 Ne4 15. Bxe4 dxe4 16. Ne2 Be5 17. Ng3 Rg5 18.
Qxe4 Bf5 19. Qf3 Bxg3 20. e4 Bxe4 {Straka,J (2305)-Varga,D (2364) Banska
Stiavnica 2011 1/2-1/2 (32)}) 6... Bg7 7. Bg2 O-O 8. O-O b5 9. cxd5 cxd5 10.
Nb3 Bb7 11. Bd2 a5 12. Qc2 Ne4 13. Rac1 Rc8 14. Qd3 Nxd2 15. Qxd2 a4 16. Rxc8
Qxc8 17. Rc1 Qa8 18. Nc5 Nxc5 19. Rxc5 Rc8 20. Qb4 {Wirig,A (2481)-Loiseau,Q 
(2403) Lille 2013 1/2-1/2}) (5... g6 6. Bd3 $11) 6. cxd5 $14 cxd4 7. Nxd4 Nxd5
8. Bc4 e6 {Consolidates d5+f5} 9. O-O N7b6 10. Qc2 (10. Bb3 Bc5 $16) 10... g6 {
Consolidates f5} (10... Bd7 11. Bb3 Rc8 12. Qd3 $11) 11. a3 (11. e4 $5 Nf6 12.
Bb5+ Bd7 13. e5 $16) 11... Nxc4 (11... Bg7 12. b3 $11) 12. Qxc4 {Black has the
pair of bishops} (12. Nxc4 $5 {should be examined more closely} Bd7 13. b3 $14)
12... Bg7 $11 13. N2f3 O-O {Black castles and improves king safety} 14. Rb1 (
14. e4 Nb6 15. Qb4 a5 $11) 14... Bd7 (14... e5 15. Nb5 a6 16. Rd1 axb5 17. Qxd5
$17) 15. Bd2 (15. e4 $5 Nb6 16. Qe2 $15) 15... Rc8 $17 16. Qb3 b6 (16... Qb6
$142 $5 $17) 17. e4 $11 {White threatens to win material: e4xd5} Ne7 18. Bg5 {
Black has a cramped position} e5 {Black threatens to win material: e5xd4} 19.
Ne2 {White has an active position} (19. Nb5 $5 a6 20. Nd6 $11) 19... Be6 $15 {
Black threatens to win material: Be6xb3} 20. Qb4 Re8 (20... f6 21. Rfd1 Qe8 22.
Bd2 $15) 21. Rbd1 (21. Rfd1 Qc7 $15) 21... Qc7 22. Bxe7 Rxe7 23. Rc1 {White
threatens to win material: Rc1xc7} Qd8 24. Nc3 a5 {Black threatens to win
material: a5xb4} 25. Qb5 (25. Qa4 $15) 25... Bc4 (25... Rd7 $142 $17) 26. Qa4
$2 (26. Nd5 $142 {and White can hope to survive} Rec7 27. Qxb6 Bxd5 28. Rxc7
Qxc7 29. Qxc7 Rxc7 30. exd5 $11) 26... Bxf1 (26... b5 27. Nxb5 Bxf1 28. Rxf1
$19) 27. Rxf1 $17 Re6 28. Nd5 Bf8 29. b4 (29. Rd1 Bh6 $17) 29... axb4 30. axb4
Ra8 31. Qb5 f5 (31... Ra7 $142 $5 $17) 32. exf5 gxf5 33. Ne3 (33. Qc4 b5 34.
Qb3 Ra3 35. Qxa3 Qxd5 $11) 33... e4 {Black gets more space} (33... f4 $142 34.
Ng4 Qe8 $17) 34. Ne5 $2 (34. Qxf5 Qf6 35. Qg4+ Qg6 $15) 34... Qg5 $4 {allows
the opponent back into the game} (34... Qe8 35. Qxe8 Raxe8 36. Nd7 $19) 35.
N3c4 $4 (35. Qd5 $142 {was possible} Rae8 36. Nd7 $11) 35... f4 $19 36. Qd7 $2
(36. Qd5 Rae8 37. Re1 $19) 36... Rxe5 37. Nxe5 (37. h4 {does not solve anything
} Qf6 38. Nxe5 Qxe5 $19) 37... Qxe5 38. Qb7 (38. g3 {cannot change what is in
store for White} f3 39. h4 Bxb4 $19) 38... Rb8 (38... Ra1 39. Qd7 Bxb4 40. Qc8+
Kg7 41. Qg4+ Kf7 42. Qe2 $19) 39. Qd7 (39. Qa6 {does not win a prize} b5 $19)
39... f3 (39... Bxb4 $142 {seems even better} 40. Rd1 Bc5 41. Rd5 $19) 40. g3 (
40. Qd2 $19 {what else?}) 40... Bxb4 41. Qg4+ (41. Qa4 {doesn't change the
outcome of the game} Bc5 42. Qa2+ Kf8 $19) 41... Kf7 (41... Kh8 42. Kh1 Bc5 43.
h3 $19) 42. Rb1 (42. Qh3 {is not much help} h5 43. Qd7+ Be7 $19) 42... Bc5 43.
Re1 (43. Qd7+ {cannot change destiny} Kg8 44. Rd1 $19) 43... e3 (43... Rd8 $142
{secures the win} 44. Kh1 Bxf2 $19) 44. Qxf3+ Ke7 (44... Kg8 $5 {makes it even
easier for Black} 45. fxe3 Rf8 46. Qg4+ Kh8 47. Qc4 $19) 45. fxe3 Rf8 46. Qe2 (
46. Qb7+ {doesn't get the bull off the ice} Ke6 47. Qc6+ Kf5 48. Rf1+ Kg5 49.
Rxf8 Qxe3+ 50. Kg2 Bxf8 51. Qd5+ Kf6 52. Qc6+ Qe6 53. Qf3+ Kg7 54. Qd3 $19)
46... Rb8 (46... Qe4 $142 $5 {keeps an even firmer grip} 47. Qg2 Rf3 48. Rd1
$19) 47. Kf1 $4 {there were better ways to keep up the pressure} (47. Qf3 b5
48. Kg2 $19) 47... Qf5+ (47... Qe4 $142 $5 {makes it even easier for Black} 48.
Qg2 Rf8+ 49. Kg1 $19) 48. Kg2 b5 (48... Rf8 $142 {seems even better} 49. e4
Qf2+ 50. Kh3 Qxe2 51. Rxe2 $19) 49. e4 Qd7 (49... Qe6 $142 $19 {and Black is
on the road to success}) 50. Qh5 $17 Qd2+ {Black forks: e1} (50... Qd4 51.
Qxh7+ Kd6 52. e5+ Kc6 53. Qg6+ Kc7 54. Qf7+ Kb6 55. Qe6+ Ka5 56. Qa2+ Qa4 $19)
51. Re2 $15 {White threatens to win material: Re2xd2} Qc1 $4 {Black has let it
slip away} (51... Qc3 $142 {was a good chance to save the game} 52. Qg5+ Kd7
53. Rd2+ Kc7 54. Qf4+ Kc8 $11) 52. Qe5+ $18 Kd7 (52... Kf7 {does not improve
anything} 53. Qxb8 Qg1+ 54. Kh3 Qf1+ 55. Rg2 $18) 53. Qxb8 Qg1+ 54. Kh3 Qf1+
55. Kh4 (55. Rg2 $142 {and White has triumphed} Bd6 56. Qg8 $18) 55... Qxe2 {
Black forks: h2+e4} (55... Be7+ 56. Kg4 Qxe2+ 57. Kh3 Qf1+ 58. Kg4 h5+ 59. Kxh5
Qh3+ 60. Kg6 Qg4+ 61. Kh6 Bg5+ 62. Kg6 Bf4+ 63. Kf6 Qe6+ 64. Kg7 Qh6+ 65. Kf7
Bxb8 66. Kg8 Be5 67. Kf7 Qg7#) 56. Qb7+ $11 {White skewers: h7} Kd8 57. Qd5+ {
White forks: c5} Ke8 58. Qxc5 Qxe4+ 59. Kh3 b4 60. Qb5+ Kf7 61. g4 (61. Qd7+
Kf6 62. Qd8+ Ke6 63. Qb6+ Ke5 64. Qa5+ Kd6 65. Qb6+ Kd7 66. Qa7+ Kc8 67. Qc5+
Kb7 68. Qb5+ Kc7 69. Qc5+ Kb8 70. Qb5+ Ka7 71. Qa5+ Kb7 72. Qb5+ Ka8 73. Qa6+
Kb8 74. Qb5+ Kc7 75. Qc5+ Kd8 76. Qb6+ Ke7 77. Qc7+ Kf8 78. Qb8+ Kf7 79. Qc7+
Kg6 80. Qd6+ Kg5 81. Qd8+ Kf5 82. Qd7+ Ke5 83. Qe7+ Kd5 84. Qb7+ Ke5 85. Qe7+
Kd5 86. Qb7+ Ke5 87. Qe7+ $11) 61... Qf3+ 62. Kh4 b3 {White has to watch this
pawn} (62... Qf2+ $142 63. Kh3 Qe3+ 64. Kg2 b3 65. Qd7+ Kf6 $15) 63. h3 $4 {
forfeits the advantage} (63. Qd7+ $142 {is just about the only chance} Kg6 64.
Qe8+ Kh6 65. Qe6+ Kg7 66. Qe7+ Qf7 67. Qg5+ Kf8 68. Qd8+ Qe8 69. Qf6+ Kg8 70.
Qg5+ Qg6 71. Qd8+ Kg7 72. Qe7+ Kh8 73. Qd8+ Qg8 74. Qd4+ Qg7 75. Qd8+ Qg8 76.
Qd4+ Qg7 77. Qd8+ Qg8 $11) 63... Qf2+ $19 64. Kh5 b2 65. Qb3+ $4 {White
crumbles in face of a dire situation} (65. Qd7+ Kf6 66. Qd8+ Ke6 67. Qe8+ Kd6
68. Qd8+ Kc6 69. Qe8+ Kb6 $19) 65... Kf6 (65... Kg7 $142 {secures the win} 66.
Qb4 h6 $19) 66. g5+ $4 {but even a better move would not have saved the game} (
66. Qc3+ Ke6 67. Qc4+ Kd6 68. Qa6+ Ke5 69. Qa5+ Ke4 70. Qa8+ Kd3 71. Qa3+ Kc2
72. Qa4+ Kd2 73. Qb4+ Kd1 74. Qd6+ Ke2 75. Qb8 Qf7+ 76. Kh4 Qf6+ 77. g5 $19)
66... Kg7 (66... Ke5 $142 $19 {ends the debate}) 67. Qc3+ $2 (67. Qd3 Qf7+ 68.
Kg4 Qe6+ 69. Kf4 Kg8 70. Qd8+ Kf7 71. Qc7+ Qe7 72. Qc4+ Kf8 73. Qc8+ Qe8 74.
Qc5+ Kg8 $11) 67... Kf8 {Loses material} (67... Kg8 68. Qd3 Qf4 $19) 68. Qb3 $4
(68. Qh8+ $142 {would bring relief} Ke7 69. Qxh7+ Kd6 70. Qd3+ Ke5 71. Qb5+ Kf4
72. g6 $11) 68... Qd2 (68... Qf7+ $142 {and Black has it in the bag} 69. Qxf7+
Kxf7 70. Kg4 $19) 69. Kh6 (69. Qf3+ {is not the saving move} Ke8 70. Qe4+ Kd8
$19) 69... Qc1 (69... Qf4 $142 {and the rest is a matter of technique} 70. Qa3+
Kg8 71. Qa2+ Qf7 72. Qa8+ Qf8+ 73. Qxf8+ Kxf8 $19) 70. Qf3+ Ke7 71. Qe4+ Kd7
72. Qxh7+ Kc6 73. Qe4+ Kc5 74. Qe7+ Kb5 75. Qb7+ Kc4 76. Qxb2 $4 {solves
nothing.} (76. Qe4+ $142 Kc3 77. Qf3+ Kd4 78. Qg4+ Ke5 79. Qe2+ Kd5 80. Qd3+
Kc5 81. Qa3+ Kd4 82. Qd6+ Ke4 83. Qg6+ Ke3 84. Qe6+ Kf2 85. Qf7+ Kg2 86. Qd5+
Kxh3 87. Qb3+ Kg4 88. Qa4+ Kg3 89. Qb3+ Kf4 90. Qb8+ Ke3 91. Qe8+ Kd4 92. Qd8+
Kc3 93. Qc8+ Kd3 94. Qf5+ Ke3 95. Qe5+ Kf2 96. Qd4+ Ke2 97. Qg4+ Ke3 98. Qh3+
Kf4 99. Qh2+ Kf5 100. Qf2+ Ke4 101. Qg2+ Ke5 102. Qg3+ Kd4 103. Qg4+ Kd5 104.
Qf5+ Kc4 105. Qf7+ Kc3 106. Qf3+ Kd2 107. Qd5+ Ke2 108. Qe6+ Kf2 109. Qf7+ Kg2
110. Qd5+ Kg1 111. Qd4+ Kh1 112. Qd5+ Kh2 113. Qd6+ Kh3 114. Qe6+ Kh4 115. Qe4+
Kg3 116. Qe5+ Kf3 117. Qd5+ Ke3 118. Qe5+ Kd3 119. Qf5+ Kd4 120. Qg4+ Kc5 121.
Qc8+ Kb4 122. Qf8+ Qc5 123. Qf4+ Qc4 124. Qf8+ Kc3 125. Qf3+ Qd3 126. Qf6+ Qd4
127. Qf3+ Kc4 128. Qb7 $19) 76... Qxb2 77. g6 Qh8+ 78. Kg5 Kd5 79. h4 (79. g7 {
a fruitless try to alter the course of the game} Qxg7+ 80. Kf4 Qh6+ 81. Kf3
Qxh3+ 82. Kf4 Qh6+ 83. Kf3 Qh1+ 84. Ke3 Qe4+ 85. Kf2 Qf4+ 86. Kg2 Ke4 87. Kg1
Kf3 88. Kh1 Qd2 89. Kg1 Qg2#) 79... Ke6 80. h5 (80. Kf4 {doesn't improve
anything} Qxh4+ 81. Ke3 Qh6+ 82. Kd4 Qxg6 83. Ke3 Ke5 84. Ke2 Qc2+ 85. Kf3 Qe4+
86. Kg3 Qe2 87. Kh4 Kf4 88. Kh3 Qc2 89. Kh4 Qh7#) 80... Ke7 (80... Qd4 81. g7
Qxg7+ 82. Kf4 Qe5+ 83. Kg4 Qf5+ 84. Kg3 Kf6 85. Kg2 Qxh5 86. Kg1 Qc5+ 87. Kh1
Ke5 88. Kg2 Kf4 89. Kh2 Qc2+ 90. Kh3 Qe2 91. Kh4 Qg4#) 81. h6 (81. Kg4 {
does not win a prize} Qf6 82. g7 Qxg7+ 83. Kf5 Qh7+ 84. Ke5 Qxh5+ 85. Kd4 Qg4+
86. Kd3 Qd7+ 87. Kc4 Qc8+ 88. Kd3 Qd8+ 89. Kc2 Ke6 90. Kb3 Kf7 91. Kc4 Qc7+ 92.
Kb4 Qb6+ 93. Kc3 Qe3+ 94. Kc4 Ke6 95. Kb5 Qc3 96. Kb6 Kd6 97. Kb5 Qb3+ 98. Ka5
Kc5 99. Ka6 Qb6#) 81... Qe5+ 82. Kg4 (82. Kh4 {doesn't get the bull off the ice
} Qf4+ 83. Kh3 Qxh6+ 84. Kg4 Qxg6+ 85. Kf3 Qd3+ 86. Kf2 Ke6 87. Kg1 Kf5 88. Kf2
Qd2+ 89. Kf3 Qd1+ 90. Ke3 Ke5 91. Kf2 Kf4 92. Kg2 Qe1 93. Kh2 Kf3 94. Kh3 Qg3#)
82... Kf8 (82... Kf6 83. g7 Kf7 84. h7 Qe4+ 85. Kg3 Qe3+ 86. Kg2 Kxg7 87. h8=B+
Kxh8 88. Kh2 Kg8 89. Kg2 Kh7 90. Kf1 Kh6 91. Kg2 Qe2+ 92. Kg1 Kg5 93. Kh1 Kf4
94. Kg1 Kf3 95. Kh1 Qg2#) 83. g7+ (83. h7 Kg7 84. Kf3 Qf6+ 85. Ke3 Kh8 86. Kd3
Qxg6+ 87. Kd4 Qg4+ 88. Kd5 Qg5+ 89. Kc6 Qd2 90. Kb6 Qf4 91. Ka7 Kxh7 92. Kb6
Qe3+ 93. Kc6 Qe6+ 94. Kb5 Qd5+ 95. Ka4 Qc6+ 96. Kb4 Kg6 97. Kb3 Qb6+ 98. Kc4
Qe6+ 99. Kc3 Qd7 100. Kb4 Kf6 101. Ka3 Qb5 102. Ka2 Ke5 103. Ka3 Kd4 104. Ka2
Kc3 105. Ka3 Qb3#) 83... Kg8 84. Kh4 (84. h7+ {is not the saving move} Kxh7 85.
g8=Q+ Kxg8 86. Kf3 Qe1 87. Kg2 Kh7 88. Kh2 Qe2+ 89. Kg3 Qe3+ 90. Kh2 Kg6 91.
Kg2 Qe2+ 92. Kh1 Kf5 93. Kg1 Kf4 94. Kh1 Kf3 95. Kg1 Qg2#) 84... Qf6+ (84...
Qf4+ 85. Kh3 Qxh6+ 86. Kg2 Qe6 87. Kf3 Qe7 88. Kf4 Kxg7 89. Kf3 Kf6 90. Kf2 Kf5
91. Kf3 Qe4+ 92. Kf2 Kf4 93. Kg1 Qe2 94. Kh1 Kf3 95. Kg1 Qg2#) 85. Kh5 (85. Kg3
{does not save the day} Qf5 86. Kg2 Qg5+ 87. Kf2 Qxh6 88. Ke1 Qe6+ 89. Kd2 Qh3
90. Kc1 Qc3+ 91. Kb1 Kxg7 92. Ka2 Kf6 93. Kb1 Ke5 94. Ka2 Kd4 95. Kb1 Qd2 96.
Ka1 Kc3 97. Kb1 Qb2#) 85... Kh7 (85... Kh7 86. g8=B+ Kxg8 87. h7+ Kxh7 88. Kg4
Kh6 89. Kg3 Qc3+ 90. Kh2 Qd2+ 91. Kh1 Kg5 92. Kg1 Kf4 93. Kf1 Kf3 94. Kg1 Qg2#)
0-1

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "4.6"]
[White "Kawamura, Takuto"]
[Black "Yoshii, Yukihiko"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1462"]
[BlackElo "1724"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "159"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] D35: Queen's Gambit Declined: Exchange Variation} 1. d4 d5 2. c4
e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. cxd5 exd5 7. Bd3 Be6 8. Nf3 (8. Nge2 Nbd7
(8... c5 9. Bxf6 Bxf6 10. dxc5 Nd7 11. b4 a5 12. a3 Ne5 13. Rc1 b6 14. O-O axb4
15. axb4 bxc5 16. bxc5 Qa5 17. Nf4 Rfd8 18. Nce2 Bg4 19. f3 Bc8 20. Nd4 Qb4 21.
Rf2 Ra3 22. Nc2 Qxc5 23. Nxa3 {Hernandez Carmenates,H (2537)-Almeida Saenz,A 
(2334) Brownsville 2015 1-0}) 9. O-O c6 10. Qc2 h6 11. Bh4 Nh5 12. Bxe7 Qxe7
13. Rae1 g6 14. f3 Ng7 15. Qd2 Qg5 16. Nf4 Rae8 17. g3 h5 18. Qf2 h4 19. g4 c5
20. Nce2 Qe7 21. Nc3 Qg5 22. Nce2 Qe7 {Zilberman,Y (2513)-Zoler,D (2524)
Israel 1999 1-0 (38)}) 8... Nbd7 9. Rb1 $146 (9. O-O h6 10. Bh4 c5 11. Rc1 a6
12. Bb1 Re8 13. dxc5 Nxc5 14. Nd4 Rc8 15. Nf5 Bxf5 16. Bxf5 Ne6 17. Qf3 Rc5 18.
b4 Rc6 19. Bxf6 Bxf6 20. Nxd5 Ng5 21. Nxf6+ Qxf6 22. Qg4 Rxc1 23. Rxc1 g6 {
Klim,K (2339)-Krainski,A (2212) Gorzow Wielkopolski 2014 1-0 (34)}) 9... a6 {
Controls b5} 10. b4 b5 (10... a5 11. bxa5 c5 12. Rb5 Rxa5 13. Rxb7 $17) 11. h3
{Covers g4} c6 12. Qc2 h6 {Black threatens to win material: h6xg5} 13. Bf4 Rc8
14. O-O Re8 15. a3 Nf8 {White has an active position} (15... Nb6 16. Ra1 $11)
16. Ne2 Bd6 (16... N8d7 17. Bg3 $14) 17. Bxd6 (17. a4 Ng6 18. Bxd6 Qxd6 19.
Bxg6 fxg6 20. Qxg6 Bf7 $16) 17... Qxd6 $14 18. Rfc1 Rc7 (18... N8d7 19. Nf4 $14
) 19. Qc5 (19. a4 Rcc8 $16) 19... Qxc5 $14 20. Rxc5 N8d7 {Black threatens to
win material: Nd7xc5} 21. Rc2 Ne4 (21... Nb6 22. Rbc1 Nc4 23. a4 $14) 22. Nc1 {
[%cal Yb3a5,Yc1b3,Ye2c1] The knight aims for Ne2-c1-b3-a5} (22. Rbc1 $142 $5
Rec8 23. Ne5 $16) 22... f6 {Prevents intrusion on e5+g5} 23. Nb3 Rec8 24. Rbc1
Kf7 {Black king safety dropped} 25. Na5 {[%cal Ra5c6,Rc2c6,Gc7c6] Attacking
the backward pawn on c6. Menacing} Nb8 26. Bxe4 dxe4 27. Nd2 {White threatens
to win material: Nd2xe4} Bd5 {A comfortable square for the black bishop} 28. f3
f5 29. fxe4 fxe4 30. Kf2 {White king safety dropped} Ke7 31. Ndb3 Nd7 32. Kg3
Rf8 (32... g5 $5 $11) 33. Nxc6+ $16 Kd6 34. Nca5 Rxc2 35. Rxc2 g5 (35... Rf1
$142 $16) 36. Kg4 {White's piece can't move: a5} (36. Nc5 $142 Nxc5 37. dxc5+ (
37. Rxc5 $6 h5 $11) 37... Kc7 38. Rd2 $18) 36... Nf6+ $11 37. Kf5 Ne8+ 38. Kg4
Nf6+ {Twofold repetition} 39. Kg3 Nd7 40. Nd2 (40. Nc5 $5 Nxc5 41. dxc5+ Ke6
$16) 40... Nb6 41. Rc3 (41. Kh2 h5 $16) 41... h5 {White has a cramped position}
42. Nab3 (42. Rc2 Nc8 $14) 42... Na4 (42... h4+ $5 43. Kg4 Rf2 44. Kxg5 Rxg2+
45. Kf4 Rf2+ 46. Kg4 Rg2+ 47. Kxh4 Re2 $11) 43. Rc2 $14 Nb6 $2 (43... h4+ 44.
Kh2 Rf7 $16) 44. Nc5 $18 Nc4 45. Ndxe4+ (45. Nxc4+ $5 bxc4 46. Nxa6 Rf1 $16)
45... Bxe4 $16 46. Nxe4+ Kd5 47. Nxg5 Nxe3 $2 (47... Rg8 $142 48. Kh4 Nxe3 $16)
48. Rc5+ $18 Kd6 49. Nf3 (49. Ne4+ {seems even better} Ke7 50. Re5+ Kd8 $18)
49... Nf5+ 50. Kh2 h4 51. Kg1 Ng3 (51... Rf6 52. Rc1 $18) 52. Re5 Rf4 53. Re3 (
53. Kf2 $5 {keeps an even firmer grip} Nf5 54. Re8 Kd5 $18) 53... Nf5 54. Re5 (
54. Re8 $142 $18 {would have made live much easier for White}) 54... Nxd4 (
54... Ng3 55. Kf2 Rxd4 56. Rxb5 Rc4 57. Rb6+ Kc7 58. Rxa6 Rc2+ 59. Ke3 Nf1+ 60.
Kf4 Rxg2 $18) 55. Nxd4 $4 {White loses the upper hand} (55. Re3 Nf5 56. Rd3+
Kc7 $14) 55... Rxd4 $4 {A rook endgame occured. instead of simply winning the
game} (55... Kxe5 $142 {it becomes clear that Black will call all the shots}
56. Nf3+ Kf6 $19) 56. Re3 Kd5 (56... Rd2 57. Re4 Rd3 58. Rxh4 $14) 57. Kf2 $16
Rd2+ 58. Kf3 Kc4 (58... Kd4 $14) 59. Re6 {White threatens to win material:
Re6xa6} (59. g3 $142 $5 hxg3 60. Kxg3 $16) 59... Rd3+ $11 {Black forks: a3} 60.
Kg4 {White threatens to win material: Kg4xh4} Rxa3 61. Kxh4 Kxb4 (61... a5 $5 {
deserves consideration} 62. bxa5 b4 $11) 62. g4 $16 a5 63. g5 Ra1 $4 {cause
more grief} (63... Rd3 64. g6 Kc5 $18) 64. g6 $18 Rg1 (64... Rd1 65. g7 Rd8 $18
) 65. Re4+ Kb3 (65... Kc5 {does not help much} 66. Rg4 Rd1 67. g7 $18) 66. Rg4
Rxg4+ (66... Rd1 {the only chance to get some counterplay} 67. g7 Rd8 68. g8=Q+
Rxg8 69. Rxg8 a4 $18) 67. Kxg4 a4 68. g7 a3 (68... b4 69. g8=Q+ Ka3 70. Qf8 $18
) 69. g8=Q+ Kb2 70. Qg7+ Ka2 71. Qf7+ (71. Qc3 $142 {and White wins} Kb1 72.
Qxa3 Kc2 73. Qb4 Kd1 74. Qb2 b4 75. Kf3 b3 76. Ke3 Ke1 77. Qb1#) 71... Kb2 72.
Qf6+ Kb3 73. Qe6+ Ka4 74. Qa6+ (74. h4 Kb4 75. h5 Kc3 76. Qa6 Kb4 77. h6 Kc5
78. h7 a2 79. h8=Q a1=B 80. Qhc8+ Kd4 81. Qxa1+ Kd5 82. Qac3 b4 83. Q8c6#)
74... Kb4 75. Qd6+ (75. h4 Kc5 76. h5 a2 77. h6 Kd4 78. Qxa2 Kc5 79. h7 Kd6 80.
h8=Q Kc7 81. Qd5 Kb6 82. Qb8+ Ka5 83. Qbxb5#) 75... Ka4 76. Qd1+ Kb4 (76... Ka5
{hardly improves anything} 77. h4 b4 78. h5 Kb5 79. h6 a2 80. h7 Kc6 81. Qc1+
Kd6 82. h8=Q a1=Q 83. Qd8+ Ke6 84. Qxa1 b3 85. Qaf6#) 77. h4 a2 (77... Kc5 {
cannot undo what has already been done} 78. h5 a2 79. h6 Kc6 80. Qc1+ Kd5 81.
h7 a1=Q 82. Qxa1 b4 83. h8=Q Kc6 84. Qc8+ Kd5 85. Kf4 b3 86. Qe5#) 78. h5 Ka3 (
78... Kc5 {doesn't do any good} 79. h6 Kc6 80. Qc1+ Kd5 81. h7 Kd6 82. h8=Q
a1=Q 83. Qd8+ Ke6 84. Qxa1 b4 85. Qaf6#) 79. Qc1+ Kb3 (79... Kb4 {does not
save the day} 80. h6 Kb3 81. h7 a1=Q 82. Qxa1 b4 83. h8=Q Kc4 84. Qhd4+ Kb5 85.
Qd5+ Kb6 86. Qaa5#) 80. h6 (80. h6 b4 81. h7 a1=Q 82. Qxa1 Kc4 83. h8=Q Kb5 84.
Qhd4 Kc6 85. Qa6+ Kc7 86. Qdd6#) 1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "5.1"]
[White "Kimura, Ryota"]
[Black "Sugimoto, Koichi"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1681"]
[BlackElo "1978"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "76"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] B01: Scandinavian Defence} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4
Nf6 5. Nf3 c6 6. g3 Bg4 7. Bg2 e6 8. O-O Nbd7 9. Bf4 Qb4 {Black threatens to
win material: Qb4xb2} 10. Qd3 $146 (10. Qd2 Bd6 (10... Bxf3 11. Bxf3 Bd6 12.
Be3 O-O 13. a3 Qa5 14. Qd3 Qc7 15. Ne4 Nxe4 16. Qxe4 Rae8 17. Qd3 f5 18. Rae1
e5 19. Qb3+ Kh8 20. dxe5 Nxe5 21. Bh5 Ra8 22. Rd1 Rad8 23. Bxa7 Nd7 24. Bd4 c5
25. Bc3 {Navara,D (2707)-Laylo,D (2552) Khanty-Mansiysk 2009 1-0 (41)}) (10...
Be7 11. a3 (11. Ne5 Nxe5 12. dxe5 Rd8 13. Qc1 Nd5 14. Nxd5 cxd5 15. c3 Qc5 16.
Bg5 O-O 17. Bxe7 Qxe7 18. Qe3 b6 19. Rfe1 Qc5 20. Qf4 Bh5 21. Qh4 Bg6 22. Rad1
Qc4 23. Qxc4 dxc4 24. f3 Bc2 25. Rxd8 Rxd8 {Aghabekian,L (2191)-Aginian,N 
(2308) Yerevan 2008 1/2-1/2 (41)}) 11... Qb6 12. Rfe1 O-O 13. h3 Bh5 14. Na4
Qd8 15. c4 Nb6 16. Nxb6 axb6 17. Rad1 Bd6 18. Be5 Qe7 19. Qg5 Bg6 20. Qf4 Rfd8
21. Rd2 b5 22. cxb5 Nd5 23. Bxd6 Rxd6 24. Qe5 cxb5 25. Rc1 {Ni,S (2213)-Ning,C
(2303) China 2013 1/2-1/2 (34)}) (10... h6 11. Ne5 Nxe5 12. Bxe5 Be7 13. a3 Qb6
14. b3 O-O 15. Rfe1 Bf5 16. Ne4 Bxe4 17. Bxe4 Rad8 18. Bd3 Ng4 19. Re4 Nxe5 20.
dxe5 Bg5 21. Qe2 Rd4 22. Rxd4 Qxd4 23. Rd1 Kh8 24. h4 Bd8 25. Bc4 {Kochetkova,
J (2315)-Akatova,E (2261) St Petersburg 2009 1-0}) 11. Ne5 Bf5 12. a3 Qa5 13.
Nxd7 {1-0 (13) Rasulov,V (2392)-Opinca,S (2175) Herceg Novi 2008}) (10. Qd2 Be7
$16) 10... Be7 $14 11. Rfe1 O-O {White has a very active position} 12. Ne5 {
White has an active position} (12. a3 Qb6 $11 (12... Qxb2 $4 {that pawn is
deadly bait and will cause Black grave problems} 13. Reb1 Bf5 14. Rxb2 Bxd3 15.
cxd3 $18)) 12... Bf5 $11 {Black threatens to win material: Bf5xd3} 13. Ne4 Rad8
(13... Rfd8 14. c3 Qb6 15. Nc4 $11) 14. c3 {White threatens to win material:
c3xb4} (14. a3 Qb6 15. Nc4 Bxe4 16. Qxe4 Nxe4 17. Nxb6 axb6 18. Bxe4 Nf6 $11)
14... Qa5 (14... Qb6 15. Nc4 Qa6 16. Ne5 $11) 15. Nxf6+ Nxf6 16. Qc4 Nd5 17.
Bd2 Qc7 18. Be4 (18. Qb3 h6 $11) 18... Bxe4 19. Rxe4 Bd6 20. Rae1 Nf6 21. R4e2
c5 22. Bg5 cxd4 23. Qxd4 Be7 24. Qh4 h6 {Black threatens to win material: h6xg5
} 25. Bc1 Rd5 26. Qc4 {White threatens to win material: Qc4xc7} (26. c4 Ra5 27.
a3 Bd6 $11) 26... Rc5 27. Qb3 Bd6 {Black threatens to win material: Bd6xe5} 28.
Nd3 {White threatens to win material: Nd3xc5} Rh5 29. Bf4 Ng4 (29... Rd8 30.
Bxd6 Rxd6 31. Ne5 $11) 30. Bxd6 {White forks: f8+c7} Qxd6 31. Nf4 {White
threatens to win material: Nf4xh5} Rxh2 32. Rxe6 $4 {White lets it slip away} (
32. Qxb7 $142 {and White can hope to live} Qc5 33. Nd3 $11) 32... Qc5 $19 (
32... fxe6 $6 {is clearly worse} 33. Rxe6 Qd1+ 34. Qxd1 Rh1+ 35. Kxh1 Nxf2+ 36.
Kg1 Nxd1 37. Re7 $11) 33. Nd3 $4 {White falls apart} (33. R6e2 $142 Rxf2 34.
Qb4 Rxe2+ 35. Qxc5 Rxe1+ 36. Kg2 $19) 33... Qh5 34. Re8 (34. Qxb7 {hoping
against hope} Rxf2 35. Qh1 Qxh1+ 36. Kxh1 Rh2+ 37. Kg1 fxe6 38. Re4 $19) 34...
Rh1+ (34... Rxf2 $1 35. Rxf8+ Kh7 36. Rh8+ Kxh8 37. Re8+ Kh7 38. Rh8+ Kxh8 39.
Nxf2 Qh2+ 40. Kf1 Qxf2#) 35. Kg2 $19 Qh3+ 36. Kf3 Nh2+ 37. Ke4 Rxe8+ 38. Kd4
Rhxe1 (38... Rhxe1 39. Nxe1 b6 $19) 0-1

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "5.2"]
[White "Kojima, Natsumi"]
[Black "Takeuchi, Hiroshi"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1677"]
[BlackElo "1371"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "87"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8256] A43: Schmid Benoni} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3
O-O 6. Bd3 c5 7. d5 Qc7 {Black has a cramped position} (7... Qb6 8. Nd2 Bg4 9.
Be2 Bxe2 10. Qxe2 Nbd7 11. O-O Qa6 12. Qxa6 bxa6 13. Nc4 Rab8 14. Re1 Nb6 15.
Na5 Rfe8 16. Bd2 e6 17. dxe6 Rxe6 18. f5 Ree8 19. Bf4 Ng4 20. Bxd6 Rbd8 21. Bf4
g5 22. Bxg5 {Acs,P (2606)-Ivanchuk,V (2710) Rethymnon 2003 1/2-1/2 (63)}) (7...
Na6 8. a3 Nc7 9. O-O Rb8 10. Qe1 b5 11. Bd2 a6 12. Rb1 Re8 13. Qh4 c4 14. Be2
e6 15. dxe6 Nxe6 16. Be3 Nf8 17. Nd2 d5 18. e5 d4 19. Nf3 dxe3 20. exf6 Bxf6
21. Qg3 Bxc3 22. bxc3 {Horvath,K (2173)-Kadlicsko,J (2172) Hungary 2005 0-1 
(38)}) 8. Qe2 $146 (8. Nb5 Qa5+ 9. Bd2 Qb6 10. c4 Nh5 11. Qc2 Bg4 12. O-O Na6
13. a3 Nc7 14. Nc3 Bxf3 15. Rxf3 Bd4+ 16. Kh1 Ne8 17. g4 Nhf6 18. Rg3 a6 19.
Rf1 Nd7 20. Bc1 Qd8 21. Rh3 Nc7 22. Qg2 Re8 {Erenska Barlo,H (2200)-Erneste,I 
(2300) Warsaw 1994 1-0 (34)}) 8... Nbd7 {Black has a cramped position. Black's
piece can't move: c8} 9. O-O a6 {Secures b5} 10. a4 b6 (10... Nh5 11. a5 $14)
11. Bd2 Bb7 12. Kh1 Kh8 13. Rae1 Kg8 14. b3 (14. Bc4 b5 15. axb5 axb5 16. Bxb5
Nb6 $16) 14... Rfe8 15. Nd1 (15. Bc4 e6 16. dxe6 fxe6 $16) 15... Rf8 (15... e6
$5 16. dxe6 Rxe6 $11 (16... fxe6 $143 17. Ng5 $14)) 16. Ne3 $14 Qb8 17. Qf2 Bc8
(17... h6 $5 $16) 18. e5 $1 {surprise!} dxe5 19. fxe5 Nxe5 20. Nxe5 Qxe5 21.
Nc4 (21. Nf5 Bxf5 22. Rxe5 Bxd3 23. Rxe7 Bxf1 $16) 21... Qc7 (21... Qxd5 $2 {
is nothing because of} 22. Nxb6 Qc6 23. Nxa8 $18) 22. Bf4 {White threatens to
win material: Bf4xc7} Qa7 {Black has a cramped position} 23. d6 {White
threatens to win material: d6xe7} e6 {White has a new passed pawn: d6. Black
has a new protected passed pawn: e6. Black has a cramped position} 24. Bg5 {
White threatens to win material: Bg5xf6} Nd7 {Blocks the pawn on d6} (24... Nd5
$5 $14 {is an interesting idea}) 25. Be7 $16 Bd4 26. Qf3 Bb7 27. Be4 (27. Qh3
Bg7 $16) 27... Bxe4 28. Rxe4 b5 29. Bxf8 (29. Nd2 Qb6 $16) 29... Rxf8 $14 30.
axb5 (30. Na3 $5 Bb2 31. axb5 Bxa3 32. Ra4 $14) 30... axb5 $11 31. Ne3 Qa6 32.
Ng4 $2 (32. Qg3 $142 $5 $11 {would allow White to play on}) 32... Qxd6 $17 33.
Nh6+ Kg7 34. Nxf7 (34. Rh4 f5 $17) 34... Qe7 35. Rf4 Nf6 (35... Bf6 $142 $5 36.
Rxf6 Nxf6 $17 (36... Qxf6 $6 37. Qxf6+ Nxf6 38. Nd6 $15)) 36. Ng5 $11 h6 37.
Ne4 g5 {Black threatens to win material: g5xf4} (37... Be5 $5 38. Nxf6 Bxf4 39.
Qxf4 Rxf6 $11) 38. Nxf6 $11 gxf4 39. Nh5+ {White forks: f4} Kf7 40. Nxf4 Ke8 $4
{the final mistake, not that it matters anymore} (40... Bg7 41. Nd5+ Ke8 42.
Nxe7 Rxf3 43. Rxf3 Kxe7 $18) 41. Qa8+ (41. Qc6+ $142 {and White can already
relax} Qd7 42. Qa8+ Qd8 43. Qxd8+ Kxd8 44. Nxe6+ Ke7 45. Nxf8 Bg7 46. Ng6+ Ke6
$18) 41... Kf7 (41... Kd7 {doesn't change anything anymore} 42. Qa7+ Kd6 43.
Qb6+ Kd7 44. Qb7+ Kd6 45. Qxe7+ Kxe7 46. Ng6+ Kd6 47. Rxf8 h5 $18) 42. Qf3 {
Twofold repetition} (42. Nxe6+ $142 {and White can celebrate victory} Bf6 43.
Nxf8 $18) 42... Qd6 $4 {not a good decision, because now the opponent is right
back in the game} (42... Ke8 43. Qc6+ Qd7 44. Qa8+ Qd8 45. Qxd8+ Kxd8 46. Nxe6+
Ke7 47. Nxf8 $18) 43. Qh5+ {White forks: h6} (43. Nxe6+ $142 {secures the point
} Kxe6 44. Qxf8 Qxf8 45. Rxf8 $18) 43... Ke7 $4 (43... Kg8 $142 {saving the
game} 44. Qg4+ Bg7 $11) 44. Ng6+ $18 (44. Ng6+ Kd7 45. Nxf8+ Kc7 46. b4 $18)
1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "5.3"]
[White "Shimomura, Kensei"]
[Black "Okuno, Rion"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1240"]
[BlackElo "1167"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "94"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6
Be3 e5} 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nf6 (4... Nc6 5. Bb5 Bd7 6. Bxc6
Bxc6 7. Bg5 h6 8. Bh4 e5 9. Qe3 Qxh4 10. Nge2 Qd8 11. O-O-O Nf6 12. f4 Qb6 13.
Qf3 Be7 14. g4 exf4 15. Nxf4 O-O-O 16. Rhe1 Kb8 17. Re3 Qc5 18. Ncd5 Bxd5 19.
exd5 {Muzychuk,A (2566)-Ushenina,A (2501) Beijing 2013 0-1 (48)}) (4... a6 5.
Be3 Nf6 6. O-O-O Nc6 7. Qb6 Qxb6 8. Bxb6 g6 9. Nd5 Nxd5 10. exd5 Ne5 11. Ne2
Bh6+ 12. Kb1 Bf5 13. Ng3 Bd7 14. Be2 Bb5 15. Rhe1 Kd7 16. Bd4 f6 17. Bxe5 Bxe2
18. Bxf6 exf6 19. Nxe2 {Asadli,V (2287)-Gupta,A (2625) Nakhchivan 2015 1/2-1/2
(48)}) 5. Qd1 $146 (5. Bg5 Nfd7 6. O-O-O Nc6 7. Qd2 h6 8. Be3 g6 9. h4 Bg7 10.
f4 Nf6 11. Be2 Ng4 12. Bxg4 Bxg4 13. Nf3 Qa5 14. Kb1 Bxc3 15. bxc3 Be6 16. c4
Bxc4 17. c3 O-O-O 18. g4 e5 19. Qc2 exf4 {Bednar,J (2362)-Demeter,P (2297)
Bratislava 2004 1-0 (47)}) 5... a6 {Black has a cramped position. Black's
piece can't move: f8} 6. Bd3 e5 7. Nf3 {Black is behind in developement} Be7 8.
O-O O-O 9. Re1 h6 {Prevents intrusion on g5} 10. h3 {Secures g4} Be6 11. Bd2
Nbd7 12. Be3 b5 13. a3 {Black has a cramped position} Qc7 (13... Rc8 14. a4 b4
15. Ne2 $15) 14. Be2 {White has an active position} (14. Nh4 $5 $11 {is worth
looking at}) 14... Rfd8 15. Nd5 Bxd5 16. exd5 Nb6 17. Bxb6 Qxb6 18. b3 $2 (18.
Nd2 $142 $15 {and White hangs on}) 18... Ne4 $19 19. Rf1 Nc3 (19... Bf6 20. Nh2
Nc3 21. Qe1 $19) 20. Qd3 (20. Qe1 Qc5 21. b4 $19) 20... e4 $4 {Black threatens
to win material: e4xd3. Black forks: d3+f3. weakening the position} (20... Rac8
$142 {and the scales tip in favour of Black} 21. Nd2 f5 $19) 21. Qxc3 $15 {
White wins a piece} Bf6 22. Qe3 Qxe3 23. fxe3 exf3 24. Rae1 $4 (24. gxf3 $142 {
this is the best bet to save the position} Bxa1 25. Rxa1 $15) 24... fxe2 $19
25. Rxe2 Re8 (25... Rac8 {keeps an even firmer grip} 26. Kf2 $19) 26. Rf3 (26.
Kf2 {doesn't get the cat off the tree} Rac8 $19) 26... Re4 27. Rf4 Rae8 (27...
Re5 {might be the shorter path} 28. e4 $19) 28. Rxe4 Rxe4 29. Kf2 Bb2 30. c4 (
30. Kf3 {a fruitless try to alter the course of the game} f5 $19) 30... Bxa3
31. Kf3 Re8 32. Rc2 (32. cxb5 {does not save the day} axb5 33. Rd2 f5 $19)
32... bxc4 (32... Bc5 {and Black can already relax} 33. e4 bxc4 34. Rxc4 $19)
33. bxc4 (33. Rxc4 {is not much help} Bc5 34. e4 Rb8 $19) 33... Bc5 34. e4 f6
35. Ra2 Ra8 36. Kf4 Kf7 37. Kf5 (37. Ra5 {is no salvation} Kg6 $19) 37... g6+ (
37... a5 $5 {might be the shorter path} 38. Ra4 Rb8 39. Rxa5 g6+ 40. Kf4 $19)
38. Kf4 a5 39. h4 (39. Kf3 {does not help much} a4 40. Ke2 a3 $19) 39... Bb4 (
39... a4 $142 $5 {makes it even easier for Black} 40. Kf3 a3 41. Ke2 $19) 40.
g4 (40. Ke3 {hardly improves anything} a4 $19) 40... Rc8 41. g5 (41. h5 {
a fruitless try to alter the course of the game} Rxc4 42. Kf3 Rc3+ 43. Ke2 Rg3
$19) 41... hxg5+ 42. hxg5 fxg5+ 43. Kxg5 (43. Ke3 {is no salvation} Rxc4 44.
Kd3 Rc3+ 45. Kd4 Rg3 $19) 43... Rxc4 44. Rf2+ Kg7 45. e5 (45. Kf4 $19 {
desperation}) 45... dxe5 46. Rf6 (46. d6 {doesn't get the cat off the tree} a4
47. Rh2 Bxd6 48. Rh7+ Kxh7 49. Kf6 a3 50. Ke6 Rd4 51. Kd7 a2 52. Kc6 a1=Q 53.
Kb7 Qa4 54. Kc8 Rb4 55. Kd8 Rb8#) 46... Be7 47. d6 Bxf6# 0-1

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "5.4"]
[White "Akai, Kiyotaka"]
[Black "Pradipta, Davi Ernest"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "1786"]
[BlackElo "1648"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "65"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] D70: Gr・feld: Unusual White 3rd moves (met by ...d5)} 1. d4 d5 2.
c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 g6 6. Nf3 Bg7 7. h3 O-O 8. Be2 Nc6 {
[%cal Rc6d4,Rd8d4,Rg7d4,Gd1d4,Gf3d4] d4 seems the pivot of the position} 9. O-O
(9. Be3 f5 10. exf5 Bxf5 11. Qb3+ Kh8 12. d5 Ne5 13. Nd4 c6 14. Rd1 cxd5 15.
Nxf5 Rxf5 16. Nxd5 Nxd5 17. Rxd5 Qc7 18. O-O Nc6 19. Rfd1 Rxd5 20. Rxd5 Rf8 21.
Bg4 Be5 22. Bf3 Bf4 23. Qc3+ Kg8 {Andersson,U (2635)-Kortschnoj,V (2655)
Clermont Ferrand 1989 1-0 (40)}) 9... Re8 10. Be3 e5 $146 (10... Na5 11. b3 c5
12. dxc5 Bxc3 13. Rc1 Bb2 14. Rc2 Na4 15. bxa4 Bg7 16. Nd4 Nc6 17. Nxc6 bxc6
18. Bc4 Qa5 19. Qf3 e6 20. Bb3 Rd8 21. Bg5 Rd4 22. Be7 Ba6 23. Rd1 Qb4 24. Rxd4
Qxd4 25. Rc1 {Vukanovic,S (2348)-Zvan,Z (2162) Ljubljana 2003 1/2-1/2 (33)}) (
10... Bd7 $5 $16) 11. d5 Nb8 12. Rc1 N6d7 (12... c6 13. Qb3 cxd5 14. exd5 $16)
13. Qb3 (13. Nb5 Na6 14. Nxa7 Rxa7 15. Bxa7 b6 $18) 13... Nf6 (13... Na6 14.
Rfd1 Nf6 15. Ng5 $18) 14. Rfd1 (14. Bc4 Re7 $18) 14... b6 (14... a6 15. Ng5 Qe7
16. Bc4 $16) 15. Bg5 (15. Nb5 Ba6 $18) 15... a6 (15... Nbd7 16. Nb5 Nc5 17. Qa3
$18) 16. Nd2 (16. d6 cxd6 17. Bxf6 Bxf6 $16) 16... b5 (16... Nbd7 $5 $16) 17.
a4 $18 b4 (17... h6 18. Be3 c6 19. Nf3 $18) 18. Qxb4 Qd6 $6 {hardly fazing for
the opponent} (18... Nbd7 19. Qa5 $18) 19. Qb3 (19. Qxd6 {seems even better}
cxd6 20. Nc4 Rd8 $18) 19... c5 (19... Qb6 20. Qxb6 cxb6 21. Nc4 $18) 20. Nc4
Qc7 (20... Qd8 {does not win a prize} 21. Nb6 Ra7 22. a5 $18) 21. Bxf6 Bxf6 22.
Qb6 (22. d6 $142 $5 {makes it even easier for White} Qd8 23. Nb6 Ra7 $18) 22...
Bd8 (22... Qxb6 23. Nxb6 Ra7 24. d6 $18) 23. Qxc7 Bxc7 24. Bg4 (24. d6 $5 {
seems even better} Bd8 $18) 24... Bxg4 25. hxg4 Nd7 26. d6 Bd8 27. Nd5 Nf6 $2 (
27... Ra7 $18) 28. Nxf6+ Bxf6 29. Nb6 Ra7 (29... Rad8 {cannot change what is
in store for White} 30. Rxc5 Kg7 31. d7 $18) 30. Rxc5 Rb7 31. a5 Bd8 (31... Rd8
{doesn't improve anything} 32. Rdd5 Rbb8 33. Rc7 $18) 32. d7 Re7 (32... Rf8 $18
{no good, but what else?}) 33. Rc8 (33. Rc8 Kg7 34. Rxd8 Rbxd7 35. R1xd7 $18)
1-0

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "5.5"]
[White "Nishimori, Toshiyuki	"]
[Black "Yoshii, Yukihiko"]
[Result "1/2-1/2"]
[ECO "C59"]
[WhiteElo "1675"]
[BlackElo "1724"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "106"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] C59: Two Knights: 4 Ng5 d5 5 exd5 Na5 5 Bb5+ c6 6 dxc6 bxc6 7 Be2
} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6
8. Be2 h6 9. Nf3 Bd6 (9... g5 10. d3 Rb8 11. Ng1 Bc5 12. Nc3 Qb6 13. Na4 Bxf2+
14. Kf1 Qd8 15. Kxf2 Qd4+ 16. Ke1 Qxa4 17. c4 Qxd1+ 18. Kxd1 c5 19. Be3 Rxb2
20. Bxc5 Nc6 21. Kc1 Rb7 22. Nf3 Bg4 23. Re1 Kd7 24. Bd1 {Simacek,P (2489)
-Bernasek,J (2443) Brno 2009 1-0 (62)}) 10. d3 Qc7 $146 (10... O-O 11. O-O Nd7
(11... Nd5 12. c4 Ne7 13. a3 c5 14. Nc3 f5 15. Nb5 Nac6 16. Nxd6 Qxd6 17. b4
cxb4 18. axb4 Nxb4 19. Ba3 Nec6 20. Re1 Bd7 21. Bf1 Rab8 22. h3 a5 23. Qb3 Kh8
24. Qc3 Rfe8 25. Bb2 Nd4 26. Nxd4 {Alarcon Casellas,R (2404)-Trepat Herranz,J 
(2342) Santa Coloma 2015 1-0 (41)}) (11... Re8 12. Nc3 Nd5 13. Ne4 Bc7 14. c4
Ne7 15. Nc5 Nb7 16. Na6 Nd6 17. c5 Bb8 18. cxd6 Bxd6 19. Nc5 Bxc5 20. Nxe5 Bd4
21. Nc4 Nd5 22. Bg4 Bd7 23. Bf5 Be6 24. Be4 Bg4 25. Bf5 Bf3 26. Be4 {Winants,L
(2497)-Dutreeuw,M (2390) Charleroi 2001 1/2-1/2 (32)}) 12. Re1 f5 13. Bf1 Qc7
14. Bd2 Ba6 15. b4 Nb7 16. c4 Nd8 17. c5 Be7 18. Bc3 Nf7 19. Qb3 Bf6 20. d4
Bxf1 21. dxe5 Ndxe5 22. Nxe5 Ba6 23. Nxf7 Rxf7 24. Bxf6 gxf6 25. Nc3 {Shetty,R
(2390)-Babu,N (2445) Kasaragod 1996 1-0 (33)}) 11. Be3 Be6 12. O-O O-O 13. Nbd2
Rac8 14. Re1 (14. Nb3 Nb7 $14) 14... c5 (14... Nd5 15. Ne4 Nxe3 16. fxe3 $11)
15. c4 {White has a new backward pawn: d3. White has a cramped position} (15.
Ne4 Nxe4 16. dxe4 Rfd8 $14) 15... Rfd8 16. Qc2 {Black has a very active
position} Nc6 17. g3 Nd4 18. Bxd4 exd4 {Black has the pair of bishops.} (18...
cxd4 19. Bf1 $11) 19. Bf1 Qd7 20. Bg2 {Black has an active position} Bh3 (20...
Qc7 21. Ne4 Nxe4 22. Rxe4 $14) 21. Bh1 (21. Ne4 $5 $16) 21... Re8 22. Rxe8+
Rxe8 23. Re1 Rxe1+ 24. Nxe1 Qe6 {Black has a mate threat} 25. Qd1 Ng4 (25...
Bf5 26. b4 $11) 26. Ne4 Be7 27. Qa4 {White threatens to win material: Qa4xa7}
Bf8 28. Qa5 {[%cal Ra5c5,Re4c5,Gf8c5] Attacks the pawn on c5} (28. Bg2 Bxg2 29.
Nxg2 $14 (29. Kxg2 $143 f5 30. h3 fxe4 31. hxg4 exd3 $15)) 28... f5 $4 (28...
Qe7 $142 29. f3 Ne3 $11) 29. f3 (29. Ng5 $142 $1 {and White wins} Qe2 30. Nxh3
$18) 29... fxe4 $17 30. fxg4 Qf6 31. Bg2 (31. Ng2 $142 g5 32. dxe4 $17) 31...
Bxg4 (31... e3 $142 32. Bd5+ Kh8 $17) 32. Bxe4 $11 Be2 33. Bd5+ Kh8 34. Bg2 Qg5
35. Be4 (35. Qxa7 $4 {taking the pawn is naive} Qe3+ 36. Kh1 Qd2 $19) 35...
Qe3+ 36. Kg2 Bg4 37. b3 Qe2+ 38. Kg1 Bh3 39. Bg2 (39. Ng2 Bxg2 40. Bxg2 Qe3+
41. Kf1 Qxd3+ 42. Kg1 Qe3+ 43. Kf1 Qd3+ 44. Kg1 Qe3+ 45. Kf1 Qd3+ $11) 39...
Bxg2 {Black has a mate threat} (39... Qe3+ 40. Kf1 Bxg2+ 41. Kxg2 Qe2+ 42. Kg1
$11) 40. Nxg2 $11 Qxd3 41. Qd8 (41. Qxa7 Qd1+ 42. Kf2 Qc2+ 43. Kf1 Kh7 $11)
41... Qd1+ (41... Qb1+ $142 42. Kf2 Qxa2+ 43. Ke1 Qa1+ (43... Qxg2 $6 44. Qxf8+
Kh7 45. Qf5+ Kg8 46. Qc8+ Kf7 47. Qf5+ Kg8 48. Qc8+ Kf7 49. Qf5+ Kg8 $11) 44.
Kf2 Qb2+ 45. Kf1 Qb1+ 46. Ne1 Kg8 47. Qd5+ Kh7 $17) 42. Kf2 $11 Qd2+ 43. Kf3
Qd3+ 44. Kg4 Qe4+ {Black forks: g2} (44... Qe2+ 45. Kh3 Qf1 $17) 45. Nf4 $14
Kg8 46. Qd5+ Qxd5 47. Nxd5 {A minor pieces endgame occured. 'the knight is the
knight!'} (47. cxd5 Kf7 $14) 47... Bd6 $11 48. Kf3 Kf7 49. h3 g6 50. g4 g5 51.
a4 {White has a new backward pawn: b3} Ke6 52. Ke4 a5 53. Nb6 Bf4 1/2-1/2

[Event "Hokkaido.Ch2022"]
[Site "?"]
[Date "2022.03.27"]
[Round "5.6"]
[White "Nakamura, Mitsuru"]
[Black "Kawamura, Takuto"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1406"]
[BlackElo "1462"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "120"]
[SourceVersionDate "2022.03.28"]

{[%mdl 8192] B11: Caro-Kann: Two Knights Variation} 1. e4 c6 2. Nf3 d5 3. Nc3
Bg4 4. d4 e6 5. Be2 Nf6 (5... Nd7 6. O-O Bb4 7. Ng5 Bxe2 8. Qxe2 Ne7 9. Qd3 h6
10. Nf3 O-O 11. Bd2 Ng6 12. Rfe1 Rc8 13. a3 Ba5 14. Rad1 Re8 15. g3 Nf6 16. e5
Nd7 17. b4 Bc7 18. h4 b6 19. h5 Ngf8 20. Ne2 {Moiseenko,V (2487)-Popov,V (2555)
St Petersburg 2014 0-1 (60)}) 6. Bg5 (6. h3 Bh5 7. exd5 cxd5 8. g4 Bg6 9. Ne5
Nfd7 10. Nxg6 hxg6 11. Bf4 a6 12. a3 Nc6 13. Qd2 Rc8 14. Qe3 Nb6 15. Bd3 Na5
16. Bg5 Qd7 17. Nd1 Nac4 18. Qe2 Be7 19. Bc1 Qd8 20. b3 Nd6 {Martinez
Alcantara,J (2379)-Sagar,S (2339) Badalona 2014 1/2-1/2}) 6... Be7 {White has
a very active position} 7. Qd3 $146 (7. e5 Nfd7 8. Bxe7 Qxe7 9. Qd2 a6 10. b4
Nb6 11. O-O Bxf3 12. Bxf3 Nc4 13. Qd3 Qxb4 14. Rfb1 Qe7 15. a4 O-O 16. h4 Ra7
17. h5 b5 18. Be2 b4 19. Ne4 Na3 20. Nf6+ gxf6 21. Rxa3 fxe5 {Eichner,S (2319)
-Schuster,M (2177) Germany 2004 0-1 (46)}) (7. h3 $5 {looks like a viable
alternative} Bxf3 8. gxf3 $14) 7... dxe4 $11 {Black forks: d3+f3} 8. Nxe4 Bf5
9. Bxf6 gxf6 {Black has the pair of bishops} 10. Qe3 Nd7 {Black has a cramped
position} 11. Bd3 Nb6 12. O-O-O {White has an active position} Nd5 13. Qh6 {
White traps the enemy king in the center} Bg4 $4 {Black is ruining his position
} (13... Qa5 14. a3 $15) 14. Rhe1 $4 {hands over the advantage to the opponent}
(14. Qg7 $142 Rf8 15. Qxg4 $16) 14... f5 {Black threatens to win material:
f5xe4} 15. Ned2 $2 (15. Qg7 $142 $5 {and White is still in the game} Rf8 16.
Neg5 $11) 15... Bf8 $19 16. Qg5 $2 (16. Qh4 $142 Qxh4 17. Nxh4 Bxd1 18. Rxd1
$19) 16... Qxg5 17. Nxg5 Bxd1 18. Kxd1 Be7 (18... Rg8 $142 $5 {keeps an even
firmer grip} 19. h4 h6 20. Nh3 Rxg2 21. Bxf5 $19) 19. Ngf3 Nf6 20. h3 Nd7 21.
Nc4 Kd8 22. Nfe5 Nxe5 23. Nxe5 Rf8 24. f4 (24. g4 fxg4 25. hxg4 h6 $17) 24...
Kc7 25. g4 fxg4 26. hxg4 Rad8 27. c3 f5 $4 {throwing away the advantage} (27...
c5 $142 $19 {and Black can look forward to a comfortable game}) 28. gxf5 exf5
29. Rh1 Bd6 30. Rxh7+ Kc8 (30... Kb8 $5 $11) 31. Nf7 $14 {White threatens to
win material: Nf7xd8} Bxf4 32. Bxf5+ Kb8 33. Bh3 $4 {gives the opponent
counterplay} (33. Nxd8 $142 Rxd8 34. Kc2 $14) 33... Rde8 $17 34. Ne5 $2 (34.
Bf5 $142 $5 $17) 34... Bxe5 $19 35. dxe5 (35. Bd7 Rd8 36. dxe5 Rf2 $19) 35...
Rxe5 36. Kc2 (36. c4 Rf2 37. Rh8+ Kc7 38. Rh7+ Kb6 $19) 36... Rfe8 (36... Re2+
$142 {might be the shorter path} 37. Kb3 Rff2 38. Rh8+ Kc7 39. Kc4 b5+ 40. Kb4
Re4+ 41. Kb3 $19) 37. b4 (37. Kb3 Re2 $19) 37... R8e7 (37... a5 38. Kb3 $19)
38. Rh6 Kc7 39. a4 a6 (39... a5 40. Bf1 $19) 40. a5 (40. Rg6 a5 41. Kb3 axb4
42. Kxb4 Re3 $19) 40... b6 (40... Rg7 41. Bf1 $19) 41. axb6+ $17 Kxb6 42. Rh8 (
42. Rg6 a5 43. bxa5+ Rxa5 $17) 42... Ra7 (42... Re2+ 43. Kb3 $19) 43. Rb8+ $17
Rb7 44. Rh8 (44. Rg8 a5 45. bxa5+ Rxa5 $17) 44... Ree7 (44... Re2+ 45. Kb3 $19)
45. c4 (45. Ra8 Ra7 46. Rb8+ Kc7 47. Rc8+ Kb7 $17) 45... Rh7 (45... a5 46. Kc3
$19) 46. c5+ Kb5 (46... Ka7 $142 47. Rxh7 Rxh7 $17) 47. Rxh7 $4 {further
deteriorates the position} (47. Kb3 $142 Rhf7 48. Bg2 $17) 47... Rxh7 $19 48.
Bf5 Rh4 49. Bd3+ Kxb4 50. Bxa6 Kxc5 51. Bb7 Rh3 52. Bxc6 (52. Ba6 $19 {
otherwise it's curtains at once}) 52... Kxc6 53. Kd2 (53. Kb2 {cannot change
destiny} Kd5 54. Kc1 Rd3 55. Kb2 Kd4 56. Kc2 Rh3 57. Kd2 Rh2+ 58. Kd1 Ke3 59.
Kc1 Kd3 60. Kb1 Kc3 61. Ka1 Kb3 62. Kb1 Rh1#) 53... Kc5 54. Ke1 (54. Ke2 {
cannot undo what has already been done} Kd4 55. Kd2 Rh2+ 56. Kd1 Kd3 57. Ke1
Ra2 58. Kf1 Ke3 59. Kg1 Kf3 60. Kh1 Kg3 61. Kg1 Ra1#) 54... Rh2 55. Kf1 (55.
Kd1 {doesn't change the outcome of the game} Rg2 56. Ke1 Kc4 57. Kd1 Kd3 58.
Kc1 Rh2 59. Kb1 Kc3 60. Ka1 Kb3 61. Kb1 Rh1#) 55... Kd4 (55... Ra2 56. Ke1 Kd4
57. Kd1 Kc4 58. Kc1 Kd3 59. Kb1 Rc2 60. Ka1 Kc3 61. Kb1 Kb3 62. Ka1 Rc1#) 56.
Kg1 (56. Ke1 {does not improve anything} Ra2 57. Kd1 Kd3 58. Ke1 Rc2 59. Kf1
Ke3 60. Kg1 Kf3 61. Kh1 Kg3 62. Kg1 Rc1#) 56... Ra2 57. Kf1 (57. Kh1 {doesn't
get the bull off the ice} Ke4 58. Kg1 Kf3 59. Kh1 Kg3 60. Kg1 Ra1#) 57... Ke3
58. Kg1 Kf3 59. Kh1 Kg3 60. Kg1 Ra1# 0-1

