[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "1.1"]
[White "SUGIMOTO, Koichi"]
[Black "SHIBUYA, Kaisei"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "1960"]
[BlackElo "1582"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "67"]
[SourceDate "2018.03.25"]

{D25: Queen's Gambit Accepted: 4 e3: sidelines and 4...Bg4} 1. d4 d5 2. c4 dxc4
3. Nf3 Nf6 4. e3 Nc6 (4... c5 5. Bxc4 cxd4 6. exd4 e6 7. O-O Nc6 8. Qe2 Qc7 9.
Nc3 a6 10. Rd1 Bd6 11. h3 h6 12. b3 b6 13. Bb2 O-O 14. d5 exd5 15. Bxd5 Bb7 {
1/2-1/2 (15) Vaisser,A (2530)-Drasko,M (2510) Sochi 1988}) (4... b5 5. a4 b4 6.
Bxc4 e6 7. O-O Be7 8. Nbd2 Bb7 9. Be2 Nbd7 10. Nc4 c5 11. Nfe5 O-O 12. dxc5
Nxe5 13. Nxe5 Qc7 14. c6 Rad8 15. Qc2 Bd6 16. f4 Ba8 17. Bf3 Bxe5 18. fxe5 Nd5
19. Qc5 {Krykun,Y (2236)-Christiansen,J (2391) Porec 2015 0-1 (53)}) 5. Bxc4 a6
$146 {Prevents intrusion on b5} (5... e6 6. Nc3 a6 7. e4 b5 8. Bd3 Nb4 9. Bb1
c5 10. a3 cxd4 11. Qxd4 Qxd4 12. Nxd4 e5 13. axb4 exd4 14. Nxb5 Bxb4+ 15. Ke2
O-O 16. Nxd4 Bb7 17. f3 Rfd8 18. Be3 Nd7 19. Rc1 Nc5 20. Nc2 {Del Rio de
Angelis,S (2520)-Ladron de Guevara Pinto,P (2355) Linares 2014 1-0 (37)}) (5...
g6 6. O-O Bg7 7. d5 Na5 8. Qa4+ c6 9. dxc6 Nxc6 10. Ne5 O-O 11. Nxc6 bxc6 12.
Qxc6 Rb8 13. Nc3 Bb7 14. Qa4 Qc7 15. Be2 Rfd8 16. Rd1 Rxd1+ 17. Qxd1 Ne4 18.
Nb5 Qa5 19. f3 Rd8 20. Qf1 {L'Ami,A (2316)-Muhren,B (2290) Novi Sad 2009 1/2-1/
2 (135)}) 6. O-O e6 {Controls d5} 7. a4 (7. Nc3 Be7 $14) 7... Be7 8. Qe2 O-O 9.
Rd1 Na5 10. Ba2 c6 {Covers d5} (10... Nd5 11. Bd2 Nb4 12. Bxb4 Bxb4 13. Qc2 $11
) 11. Bd2 $14 b5 {Black threatens to win material: b5xa4} 12. b4 {White
threatens to win material: b4xa5} Nb7 13. e4 (13. Ne5 Bd7 $14) 13... Qc7 (13...
bxa4 $5 14. Nc3 a3 $14) 14. Bb3 $16 Rd8 15. Na3 a5 16. axb5 axb4 (16... Bxb4
17. e5 Nd5 18. bxc6 Qxc6 19. Rdc1 $16) 17. b6 Qb8 18. Nc4 {[%cal Ye4e5] White
prepares the advance e5} c5 $4 {the position is going down the drain} (18...
Bd7 $142 19. g3 Rxa1 20. Rxa1 c5 $16) 19. Bf4 $1 $18 {[%cal Ye4e5] White
intends e5. Deflection: a8} Nd6 (19... Qxf4 20. Rxa8 {Deflection}) 20. Rxa8 (
20. dxc5 $142 {and White has triumphed} Rxa1 21. Rxa1 Nd7 22. cxd6 Bf8 $18)
20... Qxa8 21. Bxd6 Bxd6 22. e5 Nd5 (22... Be7 {does not improve anything} 23.
exf6 gxf6 24. dxc5 Rxd1+ 25. Bxd1 Bxc5 26. Nfd2 $18) 23. Nxd6 (23. exd6 $142 $5
{keeps an even firmer grip} Nc3 24. Qd3 Nxd1 $18) 23... Nc3 24. Qb2 Nxd1 25.
Bxd1 Qd5 (25... c4 $18) 26. Bb3 Qc6 27. Qc2 Qxb6 28. dxc5 Qc6 (28... Qa6 {
cannot undo what has already been done} 29. h4 Qa1+ 30. Kh2 $18) 29. Nd4 (29.
Ng5 $142 {makes it even easier for White} g6 30. Ngxf7 Rf8 $18) 29... Qa6 30.
h3 Qa1+ 31. Qd1 Qc3 (31... Qxd1+ {a last effort to resist the inevitable} 32.
Bxd1 Rd7 $18) 32. Nc6 Rf8 (32... Rd7 {desperation} 33. Ne7+ $1 {the logical end
} Rxe7 $18) 33. Ne7+ Kh8 34. Nxf7+ $1 {Clearance: d6. . . . .} (34. Nxf7+ Rxf7
35. Qd8+ Rf8 36. Qxf8#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "1.2"]
[White "HAKAMADA, Eiji"]
[Black "DRAKAKIS, Athanasios"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1510"]
[BlackElo "1827"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "74"]
[SourceDate "2018.03.25"]

{D35: Queen's Gambit Declined: Exchange Variation} 1. c4 Nf6 2. d4 e6 3. Nf3 d5
4. e3 c6 5. Nc3 Bd6 6. cxd5 (6. Qc2 O-O 7. Be2 (7. b3 b6 8. Bd3 Nbd7 9. O-O c5
10. cxd5 exd5 11. Bb2 Bb7 12. Nb5 Be7 13. Rac1 a6 14. Nc3 Bd6 15. Rfd1 Qe7 16.
Qe2 Rfe8 17. Bf5 Rad8 18. Bd3 b5 19. dxc5 Nxc5 20. Bf5 g6 21. Bh3 b4 {
Simantsev,M (2383)-Tikhomirov,A (2256) Kharkov 2002 0-1 (39)}) 7... Re8 8. O-O
b6 9. e4 dxe4 10. Nxe4 Be7 11. Bf4 Bb7 12. Rad1 Nxe4 13. Qxe4 Nd7 14. Rfe1 Nf8
15. Ne5 Ng6 16. Bd3 Bf6 17. Bg3 Qc8 18. c5 bxc5 19. dxc5 Ba6 20. Bc2 Qb7 {
Itkis,B (2435)-Anikaev,Y (2420) Kishinev 1993 1-0 (46)}) 6... exd5 7. Bd3 $146
(7. Be2 Nbd7 8. O-O O-O 9. b3 Re8 10. Bb2 Nf8 11. Rc1 Ng6 {1/2-1/2 (11)
Desmarais,C (2180)-Farago,S (2329) Budapest 2001}) 7... O-O 8. O-O Bg4 9. h3 {
White threatens to win material: h3xg4} Bh5 10. Re1 Re8 11. Be2 Nbd7 12. Bd2
Bg6 (12... Ne4 13. Qc2 $15) 13. Nh4 $11 Ne4 14. Nxe4 (14. Nxg6 Nxd2 15. Qxd2
hxg6 $11) 14... Bxe4 $15 15. Nf3 Re6 16. Bc3 {White has a cramped position} Rg6
17. Kh1 Qe7 18. Bd3 f5 19. Bxe4 (19. Kg1 Rf8 $15) 19... fxe4 $17 20. Ne5 (20.
Nh2 Rf8 21. Re2 Qh4 $19) 20... Nxe5 21. dxe5 Bxe5 22. Bxe5 Qxe5 23. Qb3 $2 (23.
Re2 Rf8 $17) 23... Qe7 (23... Rf8 $142 {and Black can already relax} 24. Qxb7
Rxf2 25. Qc8+ Rf8 $19) 24. Rad1 $4 {a blunder in a bad position} (24. Re2 $142
$19) 24... Rf8 25. Rf1 b6 26. Rc1 (26. Rd2 {the only chance to get some
counterplay} Rf3 $3 {Mate attack} 27. Rxd5 cxd5 28. Qxd5+ Rf7 29. Kg1 $19)
26... Qg5 27. g3 Qf5 28. Kh2 (28. Kg2 Rh6 29. f4 exf3+ 30. Kf2 Rxh3 31. Ke1 $19
) 28... Rh6 29. h4 g5 (29... Rxh4+ $142 $1 {and Black has it in the bag} 30.
gxh4 Qg4 31. f4 exf3 32. Qc2 Qxh4+ 33. Kg1 Qg3+ 34. Kh1 $19) 30. f4 (30. Qd1 {
does not solve anything} gxh4 31. g4 Qe5+ 32. Kg2 $19) 30... gxh4 (30... exf3
$142 {ends the debate} 31. Qb4 Qe5 $19) 31. g4 $17 Qe6 32. Rg1 d4 (32... Qd7
33. Qa4 $17) 33. Qa3 $2 (33. Qxe6+ $5 {must be considered} Rxe6 34. f5 $17)
33... dxe3 34. Qxe3 Rhf6 35. Rcf1 $2 (35. f5 $142 Qe5+ 36. Kh3 $17) 35... Qd6
$19 36. Qxe4 (36. Rd1 {hoping against hope} Qxf4+ 37. Qxf4 Rxf4 38. Kh3 $19)
36... Rxf4 37. Rxf4 Rxf4 (37... Rxf4 38. Qg2 Rxg4+ 39. Kh3 Rxg2 40. Rxg2+ Kh8
41. Kxh4 Qd5 $19) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "1.3"]
[White "YOSHII, Yukihiko"]
[Black "KOBAYASHI, Katsuhiko"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1783"]
[BlackElo "1494"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "67"]
[SourceDate "2018.03.25"]

{A28: English Opening: Four Knights Variation} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6
4. d4 exd4 5. Nxd4 Bb4 6. Bg5 Bxc3+ 7. bxc3 O-O 8. e3 h6 (8... Ne5 9. Be2 h6
10. Bh4 d6 11. Qc2 Re8 12. Rd1 Ng6 13. Bg3 Ne4 14. Bd3 Nxg3 15. hxg3 Ne5 16.
Bh7+ Kh8 17. Bf5 Qf6 18. Bxc8 Raxc8 19. Nf5 Ng6 20. Rd4 Re5 21. g4 Rce8 22. g3
Kg8 23. f4 {Krause,U (2289)-Schleicher,G (2216) Germany 2005 1/2-1/2 (38)}) 9.
Bh4 g5 $146 (9... Ne5 10. Nb5 d6 11. Be2 Ng6 12. Bxf6 Qxf6 13. Nxc7 Qxc3+ 14.
Kf1 Rb8 15. Nd5 Qa5 16. h4 Be6 17. h5 Ne5 18. Rh4 Rfe8 {1/2-1/2 (18)
Istratescu,A (2561)-Tkachiev,V (2672) Ohrid 2001}) 10. Bg3 Ne4 {Black
threatens to win material: Ne4xc3} 11. Qc2 Nxg3 12. hxg3 Nxd4 13. cxd4 Kg7 14.
Bd3 d6 15. O-O-O (15. Rc1 Qe7 $14) 15... f5 (15... Qf6 16. Rdf1 $11) 16. Rh2 (
16. Rh5 Rf6 $14) 16... Qf6 $11 17. f4 c5 (17... Bd7 18. Rdh1 Rh8 19. d5 $11)
18. d5 {White wins space} (18. Rdh1 Rh8 $14) 18... Re8 (18... Bd7 $5 $11 {
is interesting}) 19. Kd2 $16 Qe7 $4 {causes even greater problems} (19... Bd7
$5 $16) 20. Re1 (20. Qc3+ $5 {and White can already relax} Kg8 21. Rxh6 Qxe3+
22. Kc2 Qf2+ 23. Kb1 Qd4 24. Qxd4 cxd4 25. fxg5 Re3 $18) 20... Rf8 (20... Qf6
21. Reh1 Rh8 22. fxg5 Qxg5 23. Rh5 Qxg3 24. Qc3+ Qe5 25. Qxe5+ dxe5 26. Bxf5
Bxf5 27. Rxf5 $18) 21. Qc3+ Kg6 $4 {shortens the misery for Black} (21... Qf6
22. Qxf6+ Rxf6 23. fxg5 hxg5 $18) 22. Reh1 (22. e4 {seems even better} Qf6 23.
exf5+ Kg7 24. Re7+ Kg8 25. Qxf6 Rxf6 26. fxg5 hxg5 27. Re8+ Kg7 $18) 22... Qh7
(22... Qg7 {cannot change destiny} 23. Qxg7+ Kxg7 24. Rxh6 $18) 23. g4 (23.
fxg5 $142 {might be the shorter path} Kxg5 24. g4 $18) 23... gxf4 (23... Qh8 {
is the last straw} 24. gxf5+ Kf7 25. Qxh8 Rxh8 26. fxg5 Rg8 27. gxh6 Rh8 $18)
24. exf4 Bd7 (24... Qh8 {praying for a miracle} 25. Rxh6+ Qxh6 26. gxf5+ Bxf5
27. Rxh6+ Kxh6 28. Bxf5 Rxf5 29. Qh3+ Kg6 $18) 25. Bxf5+ Bxf5 26. gxf5+ Rxf5
27. Qg3+ Kf7 28. Rxh6 Qg7 29. Rh7 Rg8 30. Rxg7+ (30. Qg4 Rf6 31. R1h5 Kf8 32.
Qc8+ Kf7 33. Qd7+ Kf8 34. Rxg7 Rxg7 35. Rh8+ Rg8 36. Qd8+ Kf7 37. Qxg8+ Ke7 38.
Qe8#) 30... Rxg7 31. Qh3 Rxf4 (31... Rf6 {doesn't improve anything} 32. Qd7+
Kg8 33. Qe8+ Rf8 34. Qe6+ Rff7 35. g4 b6 36. g5 b5 37. g6 bxc4 38. gxf7+ Rxf7
39. Qc8+ Rf8 40. Rg1+ Kh7 41. Qh3#) 32. Qe6+ Kf8 33. Rh8+ Rg8 34. Rxg8# 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "1.4"]
[White "MATSUMOTO, Kenshin"]
[Black "SONOMOTO, Shinji"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1471"]
[BlackElo "1740"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "66"]
[SourceDate "2018.03.25"]

{E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6..
.Bg4} 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. e4 O-O 6. Be2 Nc6 (6... e5 7.
O-O Nc6 8. d5 Nb8 9. Bg5 h6 10. Bh4 a5 (10... Nbd7 11. Nd2 Re8 12. b4 Nf8 13.
f3 g5 14. Bf2 Ng6 15. c5 Nh5 16. g3 Bh3 17. Re1 Rf8 18. Bf1 Bxf1 19. Nxf1 f5
20. Ne3 fxe4 21. fxe4 Nf6 22. Rf1 Qd7 23. Qe2 Qh3 24. Be1 a5 25. Rb1 {Galyas,M
(2413)-Nagy,B (2201) Budapest 2003 1-0 (40)}) 11. c5 Nbd7 12. cxd6 cxd6 13. Nd2
Nc5 14. f3 Bd7 15. a4 Na6 16. Bb5 Nc7 17. Bxd7 Qxd7 18. Nc4 Ra6 19. Qb3 Rb8 20.
Nb5 Nce8 21. Bf2 {Gurevich,M (2540)-Karner,H (2390) Tallinn 1987 1-0 (41)}) 7.
d5 Nb8 8. O-O e5 9. Be3 {Black has a cramped position} Ng4 $146 (9... a5 10.
Nd2 Na6 11. a3 Nd7 12. b4 f5 13. f3 Bf6 14. c5 dxc5 15. bxa5 Bg5 16. Bf2 Be7
17. Nc4 Bd6 18. Nb5 Qe7 19. exf5 gxf5 20. Re1 Qf6 21. Bd3 Kh8 22. Ra2 e4 23.
fxe4 Ne5 24. Nbxd6 {Malaniuk,V (2505)-Csala,I (2320) Budapest 1990 1-0}) 10.
Bg5 Bf6 11. Bxf6 (11. Bd2 Bg7 $14) 11... Nxf6 12. Rc1 Nbd7 13. b4 Kg7 14. c5 {
Nimzovich: attack the chain at its base} (14. a3 a5 $14) 14... h6 {Secures g5}
(14... dxc5 $5 {should be investigated more closely} 15. bxc5 Nxc5 16. Nxe5
Ncxe4 17. Nxe4 Nxe4 $11) 15. cxd6 $16 cxd6 16. Qc2 a6 17. b5 {Black's piece
can't move: c8} (17. Nd2 b5 $16) 17... Nh7 (17... Nh5 18. bxa6 Nf4 19. axb7
Nxe2+ 20. Qxe2 Bxb7 21. Rfe1 $11) 18. bxa6 bxa6 19. Na4 f5 $2 (19... Ndf6 $142
$14 {and Black could well hope to play on}) 20. exf5 $18 gxf5 21. Qc6 Ra7 22.
Qxd6 Rf6 23. Qa3 Ng5 $4 {leading to a quick end} (23... Bb7 24. Rfd1 Ba8 $18)
24. Nxg5 hxg5 25. Rc6 (25. Qe3 $142 {makes it even easier for White} Ra8 26.
Qxg5+ Kf8 $18) 25... Rf8 (25... Rxc6 26. dxc6 Nf8 $18) 26. Rfc1 Ra8 27. Rc7 Kg6
(27... Kg8 {is not much help} 28. R1c6 Rf6 29. d6 $18) 28. R1c6+ (28. Nb6 $142
{seems even better} Rb8 29. Nxc8 Rf6 30. Ne7+ Kg7 $18) 28... Nf6 (28... Rf6 {
doesn't change the outcome of the game} 29. Nb6 $3 {Decoy: b6} Qxc7 30. Rxc7
Rxb6 31. Qe7 $18) 29. Qh3 (29. Bh5+ $142 $1 {secures victory} Kh6 30. Qh3 Qxc7
31. Be8+ Kg7 32. Rxc7+ Bd7 33. Bxd7 Nxd5 34. Rc6 $18) 29... Rh8 30. Qg3 (30.
Qc3 $5 {might be the shorter path} Rb8 31. Qxe5 Rb1+ 32. Bf1 Bb7 33. Rxb7 Rxb7
$18) 30... Bd7 31. Rc3 (31. Rxd7 $142 {and White wins} Qxd7 32. Qxe5 Qxc6 33.
dxc6 $18) 31... Bxa4 (31... Rb8 $142 32. Qd3 Bxa4 33. Qxa6 Ra8 $19) 32. R7c4 $4
{another bit of territory lost} (32. h4 $142 g4 33. R3c4 $17) 32... Bb5 (32...
e4 $5 {keeps an even firmer grip} 33. Rc1 Bb5 34. R4c2 Bxe2 35. Rxe2 Qxd5 36.
Rb2 $19) 33. Qxe5 (33. h4 {the last chance for counterplay} Rxh4 $1 {the end}
34. Rxh4 Bxe2 35. Rb4 $19) 33... Re8 (33... Re8 34. Qd4 Rxe2 $19) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "1.5"]
[White "MANABE, Hiroaki"]
[Black "KOYAHATA, Taku"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1723"]
[BlackElo "1391"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "47"]
[SourceDate "2018.03.25"]

{B21: Sicilian: 2 f4 and Morra Gambit} 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3
Nc6 5. Bc4 Nf6 $146 {Black has a cramped position. Black's pieces can't move:
c8+f8} (5... e6 6. f4 (6. Nge2 Nf6 7. O-O a6 8. a3 b5 9. Ba2 Bb7 10. Bf4 Be7
11. Ng3 d6 12. Qe2 O-O 13. Rfd1 Qb8 14. Rd2 Ne5 15. Rad1 Qc7 16. Bg5 Rfd8 17.
f4 Nc4 18. Rd3 Rac8 19. f5 a5 20. Kh1 Ba6 {Basman,M (2410)-Corden,M (2360)
Birmingham 1972 1-0 (36)}) 6... Nf6 7. e5 d5 8. Bd3 Nd7 9. Nf3 f5 10. exf6 Nxf6
11. Ne5 Bd6 12. Qe2 O-O 13. O-O Qe8 14. Bd2 Nd7 15. Nb5 Bb8 16. Nxc6 bxc6 17.
Nd4 Nf6 18. Rae1 Bc7 19. Kh1 Bb6 20. Bc3 {Martin,A (2330)-Cummings,D (2265)
London 1979 1-0 (39)}) (5... d6 6. Nge2 (6. f4 e6 7. Nf3 Be7 8. Qe2 Nf6 9. Be3
O-O 10. Rd1 a6 11. e5 Ne8 12. O-O Qa5 13. Bf2 b5 14. Bb3 b4 15. Bc2 g6 16. exd6
Nxd6 17. Ne4 Rd8 18. Rc1 Nf5 19. Rfd1 h5 20. Bb3 Bb7 {Martin,A (2330)-Muir,A 
(2200) London 1979 1-0 (42)}) 6... Nf6 7. O-O e6 8. Ng3 Be7 9. Be3 O-O 10. f4
a6 11. Qe2 b5 12. Bb3 b4 13. Na4 Rb8 14. Rad1 Qa5 15. Bc2 e5 16. h3 exf4 17.
Rxf4 Ne5 18. Nf5 Bxf5 19. Rxf5 Qb5 20. Qf2 {Adnoy,H (2310)-Ni,V (2151)
Pardubice 2009 0-1 (35)}) (5... a6 6. a4 d6 7. Nf3 Nf6 8. h3 e6 9. O-O Be7 10.
Be3 O-O 11. Qe2 Bd7 12. Rfd1 Qc7 13. Bf4 Ne5 14. Nxe5 dxe5 15. Be3 Rac8 16. Bb3
Bc6 17. Rac1 Rfd8 18. f3 Qa5 19. Rxd8+ Rxd8 20. Qc4 {Richter,K (2226)
-Gersinska,J (2295) Germany 1999 0-1 (70)}) 6. Nf3 e5 {Black has a new
backward pawn: d7. Black is behind in developement. Black's piece can't move:
c8} (6... e6 7. Qe2 $11) 7. Ng5 $14 d5 8. exd5 (8. Nxd5 h6 9. Nxf7 Kxf7 10.
Nc7+ Ke7 11. Nxa8 Bd7 $14) 8... Nd4 $11 {A beautiful square!} 9. O-O {White
has a king attack} Bd6 {The bishop blocks d5} 10. Re1 (10. Be3 O-O $11) 10...
O-O $11 {Black castles and improves king safety} 11. Be3 {White threatens to
win material: Be3xd4} Bg4 {Black threatens to win material: Bg4xd1} 12. f3 {
White threatens to win material: f3xg4} Bc8 (12... Rc8 13. Bd3 Bd7 14. Bf2 $11)
13. Bxd4 $14 exd4 14. Qxd4 {Black has the pair of bishops.} Qc7 15. Qh4 (15.
Kh1 Bf5 16. Nb5 Qc5 $16) 15... h6 {Black threatens to win material: h6xg5} 16.
Nge4 Bxh2+ $4 (16... Nxe4 $142 {is the best chance} 17. Nxe4 Bxh2+ 18. Qxh2
Qxc4 $11) 17. Qxh2 $18 Qxc4 18. Nxf6+ gxf6 19. Qxh6 Qd4+ 20. Kh1 (20. Re3 $142
{makes it even easier for White} f5 21. Rd1 $18) 20... Bf5 $4 {Black has lost
his nerve... understandable when you consider his position} (20... f5 $18) 21.
Ne4 (21. Re4 Bxe4 22. Nxe4 f5 23. Qg5+ Kh7 24. Qxf5+ Kg8 25. Qg4+ Kh8 26. Qh4+
Kg7 27. Qg5+ Kh7 28. Nf6+ Qxf6 29. Qxf6 Rg8 30. Qxf7+ Rg7 31. Qf5+ Kg8 32. Qe6+
Kh8 33. Re1 Rf8 34. Re4 Rgf7 35. Qe5+ Rg7 36. Rg4 Rff7 37. Qb8+ Kh7 38. Rh4+
Kg6 39. Qg3+ Kf6 40. Qd6+ Kg5 41. Rg4+ Kh5 42. Qh2#) 21... Bg6 22. Rad1 Qb6 (
22... Qxb2 {cannot change what is in store for White} 23. Rd2 Qe5 24. f4 Qh5+
25. Qxh5 Bxh5 26. Nxf6+ Kg7 27. Nxh5+ Kg6 28. Ng3 $18) 23. d6 Rfe8 (23... Qxb2
{otherwise it's curtains at once} 24. d7 f5 $18) 24. Nxf6# 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "1.6"]
[White "IKEDA, Naoto"]
[Black "WATANABE, Katsumi"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1317"]
[BlackElo "1657"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "50"]
[SourceDate "2018.03.25"]

{D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 1. d4 d5 2. c4 e6
3. Nf3 Nf6 4. Nc3 Bb4 5. Bd2 $146 (5. cxd5 Nxd5 (5... Bxc3+ 6. bxc3 Nxd5 7. e4
Ne7 8. Bd3 O-O 9. e5 f5 10. exf6 Rxf6 11. Qe2 h6 12. Ba3 Nd5 13. Qe4 g6 14. Ne5
Nf4 15. Bc2 Qd5 16. g3 Nh3 17. Ng4 Rf5 18. Nxh6+ Kg7 19. Nxf5+ gxf5 20. Qxd5 {
Friedman,A (2295)-Song,P (2175) Philadelphia 1995 1-0}) 6. Bd2 O-O 7. e4 Nxc3
8. bxc3 Be7 9. Bc4 b6 10. Qe2 Nc6 11. O-O Na5 12. Bd3 c5 13. Rad1 Bb7 14. Bf4
cxd4 15. cxd4 Bf6 16. d5 exd5 17. exd5 g6 18. Ba6 Re8 19. Qd3 Bxa6 {Tatai,S 
(2460)-Kaldor,A (2200) Netanya 1973 0-1 (40)}) (5. Bf4 c5 (5... O-O 6. e3 c5 7.
dxc5 Nc6 8. Be2 Re8 9. O-O Bxc5 10. cxd5 exd5 11. Rc1 Be6 12. Qa4 Qb6 13. Nb5
Rac8 14. Bc7 Qa6 15. Qxa6 bxa6 16. Rxc5 axb5 17. Rxc6 {1-0 (17) Witke,T (2200)
-Jovic,L (2345) Boeblingen 1985}) 6. e3 Nc6 7. Bd3 dxc4 8. Bxc4 Nd5 9. Bxd5
Qxd5 10. O-O Bxc3 11. bxc3 O-O 12. Qe2 b6 13. c4 Qf5 14. Bg3 Qh5 15. Rfd1 Ba6
16. Rac1 Rfd8 17. h3 Rac8 18. Qc2 Na5 19. d5 exd5 {Milov,V (2676)-Landa,K 
(2678) Ajaccio 2007 0-1 (45)}) (5. Ne5 O-O 6. Bg5 c5 7. Rc1 Nc6 8. e3 cxd4 9.
exd4 Be7 10. Be2 Bd7 11. Nxc6 Bxc6 12. c5 b6 13. b4 bxc5 14. bxc5 Ne4 {1/2-1/2
(14) Eltigani,O (2310)-Tatar Kis,S (2367) Hungary 2012}) 5... O-O 6. a3 Bxc3 7.
Bxc3 Ne4 8. e3 Nxc3 9. bxc3 Nd7 10. cxd5 exd5 11. Bd3 Nf6 12. Ne5 Ne4 {Black
threatens to win material: Ne4xc3} 13. Qc2 f5 14. O-O c6 {Consolidates b5} 15.
f3 Nd6 16. Kh1 (16. c4 dxc4 17. Bxc4+ Kh8 $14) 16... Qh4 (16... Be6 17. Rab1
$11) 17. g3 Qh3 (17... Qe7 18. Rab1 $11) 18. Rg1 Be6 19. Bf1 {White threatens
to win material: Bf1xh3} Qh6 {Black threatens to win material: Qh6xe3} 20. Rb1
(20. Re1 Rfc8 $11) 20... Qxe3 21. f4 (21. Bd3 $142 Qh6 22. Rge1 $11) 21... Ne4
$4 {hands over the advantage to the opponent} (21... Qe4+ 22. Rg2 Qxc2 23. Rxc2
$17) 22. Nd3 $4 {gives the opponent new chances} (22. Bd3 $5 Nf2+ 23. Kg2 Nxd3
24. Nxd3 Qe4+ 25. Kf2 c5 $18) 22... Rf7 $4 {with this move Black loses his
initiative} (22... Rf6 23. Ne5 Rh6 24. Kg2 $17) 23. Re1 $4 {White threatens to
win material: Re1xe3. weakening the position} (23. Rg2 $142 {White clearly has
the better chances} Rf6 24. Re1 $16) 23... Qf3+ $15 24. Bg2 (24. Rg2 Qh5 $15)
24... Qh5 {Black has a mate threat} (24... Nxg3+ $5 25. hxg3 Qh5+ 26. Bh3 Qxh3+
27. Qh2 Qxh2+ 28. Kxh2 Re7 $17) 25. Ne5 $4 {solves nothing} (25. Re3 $142 $17)
25... Nxg3# 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "1.7"]
[White "KIMURA, Ryota"]
[Black "ITO, Katsuhide"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1625"]
[BlackElo "1282"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "73"]
[SourceDate "2018.03.25"]

{B33: Sicilian: Pelikan and Sveshnikov Variations} 1. e4 c5 2. Nf3 Nc6 3. d4
cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6
Bxf6 11. c3 O-O 12. Be2 (12. Bd3 Bg5 13. Bc2 Rb8 14. Qd3 b4 15. Nc4 bxc3 16.
bxc3 Ne7 17. Nxe7+ {1/2-1/2 (17) Arnason,J (2550)-Van der Wiel,J (2560)
Haninge 1989}) 12... Rb8 {[%cal Yb5b4] Black plans b4} (12... Ne7 13. Nc2 Nxd5
14. Qxd5 Be6 15. Qd3 d5 16. Rd1 dxe4 17. Qxe4 Qb6 18. Nb4 g6 19. O-O Bg7 20.
Nd5 Bxd5 21. Rxd5 Rad8 22. Rfd1 f5 23. Qb4 Rxd5 24. Rxd5 Qe6 25. Bd1 Kh8 26.
Bb3 Qf6 27. Rd1 {Voigt,R (2279)-Seiler,A (2228) Neumuenster 2000 1/2-1/2 (37)})
13. Nc2 a5 {[%cal Yb5b4] Black prepares b4} 14. O-O b4 $146 (14... Be6 15. Nce3
Bg5 16. a3 Ne7 {1/2-1/2 (16) Ortega,L (2460)-Sulava,N (2380) Verona 1997}) 15.
cxb4 Nxb4 16. Ncxb4 axb4 17. Rc1 Qa5 (17... Bg5 $5 {should not be overlooked}
18. Rc6 Qa5 $14) 18. Nxf6+ $16 gxf6 19. Qxd6 Be6 20. Bc4 Rfd8 21. Qe7 Bxc4 22.
Rxc4 Qxa2 (22... Qb6 $16) 23. Rxb4 (23. Rc6 $5 Qb3 24. Rxf6 $16) 23... Qe6 24.
Qxe6 $5 fxe6 25. Rxb8 Rxb8 26. Rb1 f5 $2 (26... Rb3 27. Kf1 $16) 27. Kf1 (27.
b4 Rb5 $16) 27... Kf7 (27... Rb4 $5 $16) 28. b4 Ke7 29. Ke2 Kd6 30. Kd3 Kc6 31.
Kc4 Rb5 $2 (31... Rd8 $142 32. exf5 exf5 $16) 32. Ra1 Rb6 (32... Rb8 33. exf5
exf5 34. Ra6+ Kb7 35. Rf6 $18) 33. Ra7 (33. exf5 $142 {keeps an even firmer
grip} Kb7 34. f6 $18) 33... Rb7 (33... Rb8 {is one last hope} 34. b5+ Kb6 35.
Ra6+ Kb7 36. Rxe6 fxe4 $18) 34. Rxb7 Kxb7 35. Kb5 fxe4 36. g4 Kc7 (36... e3 {
does not help much} 37. fxe3 h6 38. h4 Kc7 39. Kc5 Kd8 40. Kd6 e4 41. b5 Kc8
42. Kc6 Kd8 43. b6 e5 44. b7 Ke7 45. b8=Q Kf7 46. Kd7 Kg7 47. Ke6 Kh7 48. Qb7+
Kg8 49. Kf6 h5 50. Qg7#) 37. Kc5 (37. Kc5 Kd7 38. b5 Ke7 39. b6 Kd7 40. g5 e3
41. fxe3 Kd8 42. Kc6 Ke7 43. b7 Kf7 44. b8=Q Kg6 45. Qxe5 Kh5 46. Kd6 Kg4 47.
Qf4+ Kh5 48. Kxe6 Kg6 49. Qf6+ Kh5 50. Kf5 Kh4 51. Qh6#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "1.8"]
[White "WILLIAMS, Richard"]
[Black "AOKI, Yasuhiro"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1209"]
[BlackElo "1620"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "54"]
[SourceDate "2018.03.25"]

{B08: Pirc Defence: Classical System} 1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. d4 Bg7
5. Bc4 O-O 6. O-O Nxe4 7. Bd2 $146 (7. Bxf7+ Rxf7 8. Nxe4 h6 9. h3 (9. Qd3 Bf5
(9... Nd7 10. Ng3 Kh7 11. Nh5 Bh8 12. Nf4 Nf8 13. Nh4 Rf6 14. Re1 e6 15. Nf3
Bd7 16. Bd2 Kg8 17. h3 Be8 18. Nh2 g5 19. Ne2 Bg6 20. Qb3 Rf7 21. f4 Rb8 22.
Nf3 Bf6 23. Ng3 Be7 24. fxg5 {Severina,M (2185)-Drozdova,D (2242) Moscow 2012
1-0 (42)}) 10. Qe3 Nc6 11. c3 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Ng3 Bg7 15.
Nxf5 Rxf5 16. Bd2 Qe8 17. Qd3 Qf7 18. b3 Re8 19. Be3 Rd5 20. Qc2 Qf5 21. Rac1
Qxc2 22. Rxc2 a5 23. c4 Rf5 {Anastasian,A (2540)-Ehlvest,J (2610) New York
1998 1/2-1/2}) (9. Be3 Bg4 10. Ned2 Nc6 11. c3 g5 12. Qb3 Na5 13. Qa4 b6 14. b4
Bd7 15. Qd1 Nc6 16. Rc1 g4 17. Ne1 e5 18. d5 Ne7 19. Ne4 Nf5 20. Ng3 Nxe3 21.
fxe3 Rxf1+ 22. Nxf1 Qg5 23. Qe2 Rf8 {Basman,M (2370)-Nunn,J (2350) London 1973
0-1}) 9... d5 (9... Qf8 10. Re1 Nc6 11. d5 Rxf3 12. gxf3 Nd4 13. Kg2 g5 14. c3
Nf5 15. Rh1 Nh4+ 16. Kf1 Nxf3 17. Be3 Bd7 18. Nd2 Nh4 19. Qb3 b6 20. Ke2 Qf7
21. Rag1 e6 22. dxe6 Bxe6 23. Qa4 Bd5 24. Kd1 {Honfi,K (2470)-Adorjan,A (2515)
Hungary 1974 0-1 (41)}) 10. Nc5 Nc6 11. c3 Qf8 12. Ne5 Nxe5 13. dxe5 c6 14. f4
b6 15. Nb3 g5 16. Nd4 c5 17. Nf3 Ba6 18. Re1 gxf4 19. Qxd5 Qd8 20. Qe6 Qd3 21.
Bxf4 Raf8 {Medina Garcia,A (2380)-Andersson,U (2535) Las Palmas 1972 1-0 (40)})
(7. Nxe4 $142 $5 {and White can hope to survive} d5 8. Bd3 dxe4 9. Bxe4 $11)
7... Nxd2 $17 8. Qxd2 Bg4 9. Be2 Nc6 10. a3 (10. d5 $142 $5 Bxf3 11. Bxf3 $17)
10... Bxf3 $19 11. Bxf3 Nxd4 12. Bxb7 (12. Bg4 e6 $19) 12... Rb8 13. Be4 Rxb2
14. Na4 Rb8 15. c3 $2 (15. Rab1 $19) 15... Nb3 16. Qd1 (16. Qa2 {doesn't
change anything anymore} Nxa1 17. Rxa1 c5 $19) 16... Nxa1 17. Qxa1 c5 18. Qd1 (
18. Bc2 {doesn't get the bull off the ice} c4 $19) 18... Qa5 19. Qc2 (19. c4 {
hardly improves anything} Bb2 $19) 19... Qb5 (19... c4 $142 $5 {might be the
shorter path} 20. Rd1 $19) 20. c4 (20. Qd1 {doesn't get the cat off the tree}
Qb3 21. Bc2 Qxa3 $19) 20... Qb3 21. Qxb3 (21. Re1 {does not win a prize} Qxa3
22. Kf1 Qb3 $19) 21... Rxb3 22. Bc6 (22. Bc2 {a fruitless try to alter the
course of the game} Rxa3 23. Rb1 Bd4 $19) 22... Rfb8 23. Bb5 (23. Re1 {does
not save the day} Rxa3 24. Kf1 Bd4 $19) 23... Rxa3 24. Rb1 (24. Nxc5 {doesn't
do any good} dxc5 25. g3 Ra1 $19) 24... Rxa4 $1 {Deflection: b5} 25. g3 (25.
Bxa4 Rxb1+ {Mate attack Deflection Pinning}) 25... a6 26. Bxa4 Rxb1+ 27. Kg2
Rb4 (27... Rb4 28. Bc6 a5 29. h4 a4 30. Bxa4 Rxa4 31. g4 Rxc4 32. h5 Rd4 33.
hxg6 fxg6 34. f4 Rxf4 35. g5 Be5 36. Kh3 Rf2 37. Kg4 Kf7 38. Kh3 Ke6 39. Kg4 d5
40. Kh3 Kf5 41. Kh4 Rh2#) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "1.9"]
[White "SATO, Yasuji"]
[Black "TAKEUCHI, Hiroshi"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1614"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "59"]
[SourceDate "2018.03.25"]

{C00: French: Unusual White 2nd moves} 1. e4 e6 2. c3 (2. a3 d5 (2... c5 3. b4
Qf6 4. c3 d5 5. bxc5 Bxc5 6. d4 Bb6 7. e5 Qg6 8. Nf3 f6 9. Bd3 Qf7 10. a4 Nc6
11. O-O Nge7 12. Ba3 Bd7 13. Ra2 Rc8 14. Re2 O-O 15. Rfe1 Na5 16. Qc2 f5 17.
Qd1 {Zala,G (2175)-Rujzam,G (2190) Hungary 2002 1-0 (40)}) 3. e5 c5 4. b4 cxb4
5. axb4 Bxb4 6. c3 Be7 7. d4 Bd7 8. Nf3 f5 9. Bd3 Nh6 10. Bxh6 gxh6 11. Qd2 Bf8
12. Na3 Rg8 13. g3 a6 14. O-O Bc6 15. Nc2 b5 16. Qe2 Nd7 {Hoogendoorn,J (2391)
-Feygin,M (2471) Netherlands 2001 1-0 (36)}) 2... Nf6 $146 {Black threatens to
win material: Nf6xe4} (2... d5 3. Bd3 dxe4 (3... Nf6 4. Qe2 c5 5. exd5 Nxd5 6.
Be4 Be7 7. Nf3 Nc6 8. O-O O-O 9. d4 cxd4 10. cxd4 b6 11. Rd1 Bb7 12. Nc3 Na5
13. Ne5 Nxc3 14. bxc3 Bxe4 15. Qxe4 Qd5 16. Qg4 Bf6 17. Bf4 Rac8 18. Qg3 {
Pusch,H (2169)-Jellinghaus,L (2214) Bochum 2001 1-0 (69)}) 4. Bxe4 Nf6 5. Bc2
c5 (5... e5 6. Qe2 Qe7 7. d3 Nc6 8. Nf3 Bg4 9. Bg5 h6 10. Bxf6 Qxf6 11. Nbd2
O-O-O 12. O-O-O g5 13. Kb1 Bg7 14. Rhe1 Bh5 15. h3 Rd5 16. g4 Bg6 17. Ne4 Qf4
18. Nfd2 h5 19. Nc4 hxg4 20. hxg4 {Deutsch,L (2220)-Poeltl,T (2225) Austria
1991 1-0 (33)}) 6. Nf3 Nc6 7. d4 cxd4 8. cxd4 Nb4 9. Bb3 Be7 10. O-O O-O 11.
Nc3 b6 12. a3 Nbd5 13. Ne5 Bb7 14. Bg5 Rc8 15. Ne2 Nd7 16. Bxe7 Qxe7 17. Nxd7 {
Cabarkapa,V (2275)-Damjanovic,V (2440) Vrnjacka Banja 1996 0-1 (72)}) 3. e5 {
White threatens to win material: e5xf6} Nd5 4. Nf3 g6 5. d4 Bg7 {Black's piece
can't move: c8} 6. Bg5 f6 (6... Ne7 7. h4 $14) 7. exf6 $16 Bxf6 8. Bh6 {
White inhibits 0-0} d6 {Secures e5} 9. Bc4 Bd7 (9... Nc6 10. Nbd2 $14) 10. O-O
$16 Nc6 11. Re1 Kf7 12. Qd2 Qg8 $2 (12... Kg8 13. Ng5 Bxg5 14. Bxg5 $16) 13.
Ng5+ (13. Bxd5 $5 exd5 14. Qf4 Bf5 $18) 13... Bxg5 $16 14. Qxg5 Nde7 $2 (14...
Qd8 $142 $5 15. Qg3 Nce7 16. Bxd5 Nxd5 $18) 15. Nd2 (15. Qf4+ {makes it even
easier for White} Nf5 16. g4 Ke8 17. gxf5 gxf5+ 18. Kh1 Qg4 19. Qxg4 fxg4 $18)
15... d5 16. Bb3 Nf5 17. Qf4 Ke7 18. Bg5+ Ke8 (18... Kf7 19. c4 h6 20. cxd5
hxg5 21. dxe6+ Kg7 22. Qxc7 Qc8 23. Qxd7+ Qxd7 24. exd7 Nfxd4 $18) 19. Bxd5 Qf7
20. Ne4 (20. Bxe6 {and White can already relax} Bxe6 21. d5 Nfe7 22. dxc6 Nxc6
$18) 20... h6 (20... Kf8 {doesn't get the cat off the tree} 21. Bb3 h6 22. Bf6
$18) 21. Bxc6 (21. Qxc7 $142 {and White can already relax} Kf8 22. Nc5 Bc8 23.
Qxf7+ Kxf7 24. Nxe6 Nce7 25. Bxe7 Nxe7 $18) 21... Bxc6 22. Qe5 hxg5 (22... Rf8
23. Nc5 hxg5 24. Nxe6 Qf6 25. Qxf6 Rxf6 26. Nxc7+ Kd7 27. Nxa8 b6 28. Nxb6+
axb6 $18) 23. Qxh8+ Qf8 24. Qe5 Bxe4 25. Rxe4 (25. Qxe6+ {seems even better}
Kd8 26. Rxe4 Nd6 $18) 25... Qf7 (25... Ng7 {is not the saving move} 26. Rg4 $18
) 26. Rae1 Kd7 (26... Ng7 {is no salvation} 27. Qxg5 c6 28. Rg4 $18) 27. Qb5+
Kd8 (27... Ke7 {no good, but what else?} 28. Qxb7 Re8 29. Rxe6+ Qxe6 30. Rxe6+
Kxe6 31. Qxc7 g4 $18) 28. Rxe6 c6 29. Qe5 Kd7 30. g4 (30. g4 Qg7 31. Qc5 Re8
32. gxf5 Rxe6 33. fxe6+ Ke8 34. d5 Qf6 35. d6 Kf8 36. e7+ Kg7 37. e8=N+ Kh7 38.
Nxf6+ Kg7 39. Re7+ Kf8 40. Qxa7 b5 41. Qa8#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "2.1"]
[White "WATANABE, Katsumi"]
[Black "SUGIMOTO, Koichi"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1657"]
[BlackElo "1960"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "50"]
[SourceDate "2018.03.25"]

{D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} 1. d4 d5 2. c4 c6 3.
b3 (3. cxd5 Nf6 4. dxc6 Nxc6 5. Nf3 Bg4 6. e3 e5 7. Bb5 e4 8. h3 exf3 9. hxg4
fxg2 10. Rg1 Qd5 11. Nc3 Bb4 12. Qa4 Bxc3+ 13. bxc3 Nxg4 14. Ba3 Qf3 15. Qc2
O-O-O 16. Qe2 Nh2 17. O-O-O Rd5 {Drozdovskij,Y (2509)-Dobrov,V (2515)
playchess.com INT 2006 0-1 (65)}) (3. Qc2 g6 4. cxd5 cxd5 5. Nc3 Nf6 6. Bg5 Bg7
7. Nf3 Nc6 8. e3 O-O 9. Be2 Ne4 10. Bh4 Bf5 11. Qb3 Nxc3 12. bxc3 Qd7 13. O-O
a6 14. Qb6 Rfc8 15. Rac1 Qd8 16. Qxd8+ Rxd8 17. c4 h6 {Mateo,R (2453)-Gonzalez,
V (2291) Ses Salines 2010 1-0 (36)}) 3... Nf6 4. Nf3 Ne4 $146 (4... Bf5 5. g3
e6 6. Nbd2 Ne4 7. Nxe4 Bxe4 8. Bg2 Be7 9. O-O O-O 10. Ne1 Bxg2 11. Kxg2 Bf6 12.
Ba3 Re8 13. Nf3 Nd7 14. Qd2 b5 15. cxb5 cxb5 16. Rac1 Rc8 17. Rxc8 Qxc8 18. Rc1
Qa6 {1/2-1/2 (18) Gosztola,I (2183)-Toth,J (2220) Hungary 2007}) 5. Nbd2 Qa5 6.
Bb2 e6 (6... dxc4 7. bxc4 e5 8. Qc2 Nxd2 9. Nxd2 exd4 10. Bxd4 $11) 7. e3 Bb4
8. Bd3 O-O 9. O-O (9. a3 $5 Nxd2 10. Nxd2 $14) 9... Nxd2 $11 10. Nxd2 Bxd2 11.
a3 {Controls b4} dxc4 12. b4 $4 (12. Bxc4 $142 {would be a reprieve} Nd7 13.
Qc2 $11) 12... Qd5 $19 13. Bxh7+ Kxh7 14. Qxd2 Nd7 15. Rae1 f5 16. Qc3 Nf6 17.
f3 Bd7 18. e4 (18. Qc2 Be8 $19) 18... fxe4 19. fxe4 $2 (19. Qc2 Qh5 20. Qxc4
exf3 21. Rxf3 Kg8 $19) 19... Qg5 (19... Nxe4 $142 $5 {keeps an even firmer grip
} 20. Qe3 Rxf1+ 21. Rxf1 $19) 20. Rf3 $2 (20. Qxc4 $142 Rad8 21. Bc1 $19) 20...
Nh5 21. e5 (21. Rh3 e5 22. Bc1 Qg6 $19) 21... Kg8 22. Rh3 (22. Bc1 Qg4 23. Rfe3
$19) 22... Rf5 23. Bc1 Qg4 24. Qxc4 Raf8 (24... c5 $5 {might be the shorter
path} 25. Rhe3 cxd4 26. Re4 $19) 25. Rhe3 (25. Be3 $19 {is still a small chance
}) 25... Rf2 (25... Rf2 26. Qf1 Rxf1+ 27. Rxf1 Nf4 28. Rxf4 Qd1+ 29. Kf2 Rxf4+
30. Rf3 Rxf3+ 31. gxf3 Qxc1 32. a4 Qd2+ 33. Kg3 Be8 34. h4 Bh5 35. b5 Qe3 36.
bxc6 Qg1+ 37. Kh3 Bxf3 38. h5 Qg2+ 39. Kh4 Qg4#) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "2.2"]
[White "DRAKAKIS, Athanasios"]
[Black "MANABE, Akihiro"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1827"]
[BlackElo "1723"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "33"]
[SourceDate "2018.03.25"]

{A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} 1. d4 Nf6 2. Nf3 e6
3. Bg5 c5 4. e3 cxd4 5. exd4 Be7 6. c3 b6 7. Nbd2 Bb7 8. Bd3 h6 (8... Nd5 9.
Bxe7 Qxe7 10. g3 Ba6 11. Bxa6 Nxa6 12. Qe2 Nac7 13. Ne5 d6 14. Nd3 O-O 15. f4
b5 16. O-O Qd7 17. Ne4 Qc6 18. Rac1 Rae8 19. h3 Re7 20. Kh2 Ne8 21. a3 a5 22.
Qf3 Rc7 23. Rf2 {Kamsky,G (2650)-Sax,G (2600) Manila 1990 0-1 (61)}) 9. Bxf6
Bxf6 {Black has the pair of bishops} 10. O-O $146 (10. Qe2 O-O (10... d6 11. h4
Nd7 12. Ba6 Bxa6 13. Qxa6 d5 14. a4 O-O 15. Kf1 Re8 16. g3 e5 17. dxe5 Bxe5 18.
a5 Nc5 19. Qb5 Bc7 20. a6 Ne4 21. Rd1 Qf6 22. Kg2 Rad8 23. Rhe1 Qg6 24. Nf1 Qd6
25. Ne3 {Garcia Palermo,C (2444)-Ye,J (2681) Tripoli 2004 1/2-1/2 (33)}) 11.
O-O d6 12. Rfe1 g6 13. Be4 Bxe4 14. Nxe4 Bg7 15. Rad1 d5 16. Ned2 Nc6 17. Ne5
Nxe5 18. dxe5 b5 19. Nb3 Qb6 20. Rd4 Rfc8 21. h4 Rc4 22. Red1 a5 23. Rxc4 bxc4
24. Nd4 Bf8 {Kireev,A (2382)-Cvek,R (2509) Pardubice 2006 0-1 (51)}) (10. Ne4
Be7 11. O-O O-O 12. Re1 Na6 13. Bc2 Nc7 14. Qd3 g6 15. Ne5 Nd5 16. Qg3 Kh7 17.
Rad1 Bh4 18. Qf3 d6 19. Nc4 Ba6 20. Ne3 {1/2-1/2 (20) Damaso,R (2385)-Ochoa de
Echaguen,F (2400) Havana 1990}) 10... O-O 11. Re1 d6 {Prevents intrusion on e5}
12. Ne4 Be7 13. Ng3 Nd7 14. Qe2 Nf6 15. Rad1 Nd5 $4 {Black loses the upper hand
} (15... Qd7 $142 $11 {would keep Black in the game}) 16. Qe4 $18 Re8 $4 {
Black falls apart} (16... g6 $142 17. c4 Nc3 18. Qxb7 Nxd1 19. Rxd1 Re8 $18)
17. Qh7+ (17. Qh7+ Kf8 18. Qh8#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "2.3"]
[White "AOKI, Yasuhiro"]
[Black "YOSHII, Yukihiko"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "1620"]
[BlackElo "1783"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "98"]
[SourceDate "2018.03.25"]

{A29: English Opening: Four Knights Variation with 4 g3} 1. c4 e5 2. Nc3 Nf6 3.
Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nxc3 7. bxc3 Bd6 (7... e4 8. Ng1 f5 9. f3
e3 10. dxe3 Qxd1+ 11. Kxd1 Be6 12. Nh3 O-O-O+ 13. Kc2 Bc4 14. Nf4 g6 15. Nd3
Bg7 16. e4 fxe4 17. fxe4 Ne5 18. Nxe5 Bxe5 19. Bf3 Rhe8 20. Bg5 Rd6 21. Rhd1
Rc6 22. a4 {Larsen,B (2620)-Timman,J (2625) Bled 1979 1/2-1/2 (50)}) 8. d3 $146
(8. O-O O-O 9. Rb1 (9. d4 Bg4 10. Rb1 Rb8 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Rxb7
Rxb7 14. Bxb7 Bh3 15. Bg2 Bxg2 16. Kxg2 Bxc3 17. Bf4 Ba5 18. Qxd8 {1/2-1/2 (18)
Fatalibekova,E (2216)-Fomina,T (2232) Condino 2009}) 9... Qe7 (9... Rb8 10. Qc2
Be6 11. d4 h6 12. Rd1 exd4 13. cxd4 Ne7 14. Ne5 c6 15. Nd3 Qc7 16. e4 Qc8 17.
Bf4 Rd8 18. Bxd6 Rxd6 19. Qc5 Qd8 20. Nf4 b6 21. Qc3 Bg4 22. f3 Bc8 23. Rbc1
Rb7 24. e5 {Christiansen,L (2550)-Tomczak,R (2315) Cologne 1989 1-0 (53)}) 10.
d3 Nd8 11. Nd2 Ba3 12. Bxa3 Qxa3 13. Qc2 Qe7 14. Nc4 c6 15. Rb2 Bd7 16. a4 b6
17. d4 exd4 18. cxd4 Rc8 19. a5 b5 20. Ne5 Ne6 21. e3 c5 22. d5 Nd8 {Meduna,E 
(2425)-Ambroz,J (2200) Marianske Lazne 1978 1-0 (43)}) 8... O-O 9. O-O h6 {
Covers g5} 10. Rb1 Rb8 11. Nd2 Bd7 12. Nc4 Qe7 13. Nxd6 Qxd6 {White has the
pair of bishops} 14. Qc2 b6 15. Be3 Ne7 16. Rfd1 Qe6 17. d4 exd4 18. cxd4 c6 {
Consolidates d5} 19. Bf4 Rbc8 20. e4 Rfd8 (20... f5 21. f3 $14) 21. Qa4 $16 b5
22. Qa3 Ng6 23. Bd2 Ra8 (23... f5 24. e5 $16) 24. Ba5 Rdc8 25. Rbc1 Qe7 26. Bb4
Qf6 27. Bd6 (27. f4 a5 28. Bc5 Re8 $16) 27... a5 28. Qc5 {[%cal Ye4e5] White
plans e5} Qe6 (28... Nf8 29. f4 $16) 29. Rd2 a4 (29... Qg4 30. f4 $16) 30. Qa3
Ra6 (30... Qf6 31. f4 h5 32. f5 $18) 31. f4 $18 f5 (31... Qe8 32. f5 Nf8 33.
Rf2 $18) 32. e5 Kh8 (32... Qf7 33. Rdc2 Raa8 34. Qd3 $18) 33. d5 cxd5 34. Rxc8+
Bxc8 35. Bxd5 Qe8 36. Qc5 Bd7 (36... Kh7 37. e6 $1 $18 {a devastating blow})
37. Bb7 Rc6 (37... Ra8 {doesn't change the outcome of the game} 38. h4 h5 39.
Bxa8 Qxa8 40. Qd5 $18) 38. Bxc6 Bxc6 39. Rc2 Bd7 40. Qc7 Qe6 (40... Be6 {
doesn't improve anything} 41. Qc6 Qg8 42. Qxb5 Bxa2 43. Rc7 $18) 41. Bb4 (41.
Qb7 $5 {seems even better} Kg8 $18) 41... Qd5 42. Qd6 Qe4 43. Qd2 (43. Rc7 $142
{and White takes home the point} Qb1+ 44. Kf2 Qxa2+ 45. Qd2 $18) 43... Bc6 44.
Rxc6 $1 {White goes into the lead} Qxc6 45. Qc3 {White threatens to win
material: Qc3xc6} (45. a3 Qb6+ 46. Qf2 Qd8 $16) 45... Qe4 (45... Qxc3 $5 46.
Bxc3 Ne7 $11) 46. a3 $14 {Black has a new backward pawn: b5} Kh7 47. Qc5 (47.
Kf2 Nxf4 48. gxf4 Qxf4+ 49. Kg2 Qe4+ 50. Kg1 Qg4+ 51. Qg3 Qd4+ 52. Kg2 g5 $16)
47... Qe2 48. Qf2 {White threatens to win material: Qf2xe2} Qc4 (48... Qd1+ 49.
Kg2 $14) 49. Qc5 Qe2 1/2-1/2

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "2.4"]
[White "SONOMOTO, Shinji"]
[Black "KIMURA, Ryota"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1740"]
[BlackElo "1625"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "66"]
[SourceDate "2018.03.25"]

{D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 1. d4
d5 2. Nf3 Nf6 3. Nbd2 e6 4. c3 $146 (4. Nb3 a5 5. Bg5 a4 6. Nbd2 Be7 7. e3 c5
8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. O-O Nc6 11. c3 O-O 12. Re1 h6 13. Bh4 Rfd8 14.
Rc1 Ne4 15. Bg3 Nxg3 16. hxg3 b5 17. Qe2 Rab8 18. Nf1 Rdc8 {Ojanen,P (2230)
-Raaste,E (2370) Finland 1987 0-1 (100)}) (4. e3 b6 (4... Bd6 5. Bd3 b6 6. e4
dxe4 7. Nxe4 Bb7 8. Qe2 Nbd7 9. Bg5 h6 10. Bh4 Qe7 11. O-O-O g5 12. Nxd6+ cxd6
13. Bg3 Nd5 14. Qd2 O-O-O 15. c4 Nc7 16. Qb4 Nf6 17. Qa3 Kb8 18. c5 dxc5 19.
dxc5 {Reinhardt,B (2347)-Mueller,R (2209) Germany 2007 0-1 (40)}) (4... Be7 5.
Bd3 b6 6. Qe2 Bb7 7. Ne5 O-O 8. O-O Nbd7 9. f4 Ne4 10. c3 f6 11. Nxd7 Qxd7 12.
Nxe4 dxe4 13. Bb5 Qd6 14. Bd2 c5 15. Rad1 a6 16. Bc4 cxd4 17. exd4 b5 18. Bb3
f5 19. Be3 {Kubien,J (2300)-Schurade,M (2350) Dresden 1987 1/2-1/2 (66)}) 5. c3
Bb7 6. Bd3 (6. Bb5+ c6 7. Bd3 Nbd7 8. O-O Be7 9. Ne5 Nxe5 10. dxe5 Nd7 11. f4
Qc7 12. e4 Nc5 13. Bc2 O-O-O 14. Qf3 g6 15. a4 Ba6 16. exd5 cxd5 17. Rd1 d4 18.
cxd4 Rxd4 19. Qa8+ Qb8 20. Qc6+ Qc7 {Calvo Sanchez,J (2230)-Ochoa de Echaguen,
F (2400) Spain 1990 1-0}) 6... Nbd7 7. O-O Ne4 8. Ne5 Bd6 9. f4 O-O 10. g4 f6
11. Nxd7 Qxd7 12. Nxe4 dxe4 13. Bc4 Bd5 14. Be2 Qc6 15. Qc2 e5 16. dxe5 fxe5
17. f5 Be7 18. c4 Bg5 {Votava,J (2425)-Polak,T (2410) Stockerau 1993 1-0 (55)})
4... c5 5. Qc2 Nc6 6. e4 (6. e3 Bd7 $11) 6... cxd4 $15 7. e5 (7. exd5 $5 Nxd5
8. cxd4 $15) 7... dxc3 $17 8. exf6 cxd2+ 9. Bxd2 Qxf6 10. Bg5 (10. Bb5 $5 Bd7
11. O-O $17) 10... Bb4+ $19 11. Kd1 (11. Bd2 Bxd2+ 12. Qxd2 a6 $19) 11... Qg6
12. Bd3 Qh5 13. h3 (13. a3 Bd6 14. Be2 O-O $19) 13... f5 (13... e5 {and Black
can already relax} 14. a3 e4 15. axb4 exf3 16. Re1+ Be6 17. h4 $19) 14. a3 (14.
Bf4 Bd7 $19) 14... Bd6 15. Bb5 (15. Be3 O-O 16. Be2 Qg6 $19) 15... Bd7 16. Re1
Rc8 (16... O-O $142 {and Black wins} 17. Be3 Rac8 $19) 17. Qxf5 $11 {[%cal
Re1e6,Rf5e6,Gd7e6] Attacks the backward pawn on e6. Black cannot castle king
side} e5 $4 {throwing away the advantage} (17... Qf7 $142 {was much better} 18.
Qxd5 Be7 19. Qxd7+ Kxd7 20. Ne5+ Ke8 21. Nxf7 Kxf7 22. Bxe7 Kxe7 23. Bxc6 Rxc6
$11) 18. Bxc6 $18 Rxc6 19. Rxe5+ Bxe5 20. Qxe5+ Kf7 21. Qe7+ Kg8 22. Qxd7 h6
23. Qxd5+ Kh7 24. Qd3+ Kg8 (24... Qg6 25. Qxg6+ Rxg6 $18) 25. Qd7 $4 {spoils
everything} (25. Be3 $142 $18 {nails it down}) 25... hxg5 $11 26. Qxb7 $4 {
there were better ways to keep up the pressure} (26. Qd5+ $142 Kf8 27. Ke1 $11)
26... Qg6 $4 {throws away the game} (26... Rhh6 $142 {and Black can look
forward to a comfortable game} 27. Qb8+ Kh7 $19) 27. Qb3+ $4 {a transit from
better to worse} (27. Qa8+ $142 Kh7 28. Nxg5+ Qxg5 29. Qxc6 $16) 27... Kh7 $15
28. Qb5 $4 {[%cal Rb5g5,Rf3g5,Gg6g5] The isolani on g5 becomes a target} (28.
Ke1 $142 {the only rescuing move} Re8+ 29. Kf1 $15) 28... Re8 (28... Qc2+ 29.
Ke1 Re8+ 30. Ne5 Rce6 31. Kf1 Rxe5 32. Qxe5 Rxe5 33. Kg1 Qxb2 34. Rf1 Re2 35.
a4 Qa2 36. a5 Qxa5 37. Kh1 Re1 38. Kg1 Qa1 39. Rxe1 Qxe1+ 40. Kh2 Qxf2 41. Kh1
Kh6 42. Kh2 Kh5 43. Kh1 Kh4 44. Kh2 Qb2 45. Kg1 Kg3 46. Kf1 Qf2#) 29. Nxg5+ (
29. Rc1 {no good, but what else?} Rd8+ 30. Nd2 Rxd2+ 31. Kxd2 Qd6+ 32. Ke2 Qe7+
33. Kd2 Qd7+ 34. Qd3+ Qxd3+ 35. Kxd3 Rxc1 36. Kd2 $19) 29... Kh8 30. Nf7+ Kg8
31. Ne5 (31. Rc1 {does not win a prize} Rxc1+ 32. Kxc1 Rc8+ 33. Kd2 Qxf7 $19)
31... Qd6+ 32. Nd3 Qe6 33. Qh5 (33. Ne5 {there is nothing else anyway} Rd6+ 34.
Ke1 $19) 33... Qb3+ (33... Qb3+ 34. Kd2 Qc2#) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "2.5"]
[White "SHIBUYA, Kaisei"]
[Black "SATO, Yasuji"]
[Result "1-0"]
[ECO "C53"]
[WhiteElo "1582"]
[BlackElo "1614"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "79"]
[SourceDate "2018.03.25"]

{C53: Giuoco Piano sidelines} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Na5 $146 (
4... Qf6 5. d3 (5. b4 Bb6 6. O-O d6 7. d3 a6 8. Be3 Ba7 9. Nbd2 Nge7 10. a4 h6
11. b5 Nd8 12. Bxa7 Rxa7 13. b6 cxb6 14. Qb3 O-O 15. Qxb6 Ndc6 16. h3 Bd7 17.
Bd5 Nc8 18. Qe3 N6e7 19. Nc4 b5 {Lehtivaara,R (2174)-Kivimaki,J (2210) Finland
2010 1-0 (40)}) (5. d4 Bb6 (5... exd4 6. O-O d6 7. Bg5 Qg6 8. cxd4 Nxd4 9. Nxd4
Qxg5 10. Bb5+ Kf8 11. Nb3 Bb6 12. Nc3 Nf6 13. Kh1 Ng4 14. f4 Qh4 {0-1 (14)
Rossmann,H (2290)-Kostyra,S (2335) Rostock 1988}) 6. O-O d6 7. dxe5 Nxe5 8.
Nxe5 dxe5 9. Be3 Ne7 10. Qd2 h6 11. f4 exf4 12. Bd4 Ng6 13. Kh1 Bxd4 14. cxd4
O-O 15. Nc3 c6 16. e5 Qh4 17. Rae1 Be6 18. Qd3 Ne7 19. Ne2 Bxc4 {Hund,B (2245)
-Pieper Emden,C (2335) Germany 1986 1/2-1/2 (33)}) 5... d6 6. Be3 (6. Nbd2 h6
7. Bb3 g5 8. O-O Nge7 9. Ne1 g4 10. Nc4 Qg7 11. Be3 f5 12. Bxc5 dxc5 13. exf5
Bxf5 14. Ne3 Bd7 15. N1c2 O-O-O 16. Nd5 Ng6 17. Qe2 Nf4 18. Qe3 h5 19. Nxf4
exf4 20. Qxf4 h4 {Shahade,G (2455)-Gonzales,J (2432) New York 2001 0-1 (45)})
6... Bb6 7. Nbd2 Nge7 8. O-O O-O 9. d4 h6 10. Qa4 Bd7 11. d5 Nb8 12. Bb5 Bxb5
13. Qxb5 c6 14. Qb3 Nd7 15. Nc4 Bxe3 {1/2-1/2 (15) Donchev,D (2455)-Danailov,S
(2345) Sofia 1984}) (4... Nf6 $5 $11) 5. Bb5 Bb6 6. d4 exd4 7. cxd4 h6 {
Secures g5} (7... Ne7 8. d5 Ng6 9. Nc3 $16) 8. O-O a6 9. Ba4 Ne7 10. Qe2 {
Black has a cramped position. Black's piece can't move: c8} (10. b4 Nac6 11. d5
Nb8 $16) 10... O-O $14 11. d5 {Black has a cramped position. Black's pieces
can't move: a5+c8} Ba7 12. b4 b5 13. Bxb5 (13. Bc2 $142 $5 {should be examined
more closely} Nc4 14. Nbd2 $14) 13... axb5 $11 14. bxa5 {Black has the pair of
bishops} Ba6 {Blocks the pawn on a5} 15. Qc2 {Black has a cramped position} (
15. Be3 c5 $11) 15... Ng6 (15... c6 16. Re1 $15) 16. Nc3 (16. Rd1 $11) 16... d6
{Black has a new backward pawn: c7} (16... b4 $142 $5 {and Black is still in
the game} 17. Ne2 Nh4 $15) 17. Re1 Ne5 (17... b4 18. Nd1 $14) 18. Nxe5 $16 dxe5
19. Bb2 (19. Ba3 Re8 20. Rab1 Qd7 $16) 19... b4 {Black threatens to win
material: b4xc3} 20. Na4 Qd6 (20... c6 21. Nb6 Bxb6 22. axb6 Qxb6 23. Bxe5 cxd5
24. exd5 $16) 21. Rac1 $16 Rfe8 (21... Bb5 22. Nc5 $16) 22. Nc5 (22. Qxc7 Qxc7
23. Rxc7 $16) 22... Rab8 (22... Bb5 $142 $5 $16) 23. Nxa6 $18 Qxa6 24. Bxe5 $4
{ruins a very nice position} (24. Qxc7 $142 Rbc8 25. Rc6 Rxc7 26. Rxa6 $18)
24... f6 $4 {makes life more difficult} (24... Rxe5 $142 25. Qxc7 Rbe8 $17) 25.
Bg3 (25. Bxc7 $142 $5 {seems even better} Rbc8 26. d6 Qb5 $18) 25... Qxa5 (
25... Ra8 {does not improve anything} 26. Bxc7 Bb8 27. d6 Bxc7 28. dxc7 Qxa5
29. Red1 $18) 26. Bxc7 Bxf2+ (26... Qa6 {is one last hope} 27. Bxb8 Rxb8 $18)
27. Kxf2 Qa7+ 28. Kf1 Rb7 (28... Rbc8 {is not much help} 29. d6 Red8 30. Qb3+
Kh7 31. Qd3 $18) 29. d6 Qa6+ (29... Rf8 {doesn't get the bull off the ice} 30.
d7 f5 31. e5 $18) 30. Qc4+ Qxc4+ 31. Rxc4 Kf8 (31... b3 {hardly improves
anything} 32. axb3 Rxb3 33. d7 $18) 32. d7 Ra8 33. d8=Q+ Rxd8 34. Bxd8 Ke8 35.
Rd1 Rb5 36. Rc7 Re5 (36... b3 {does not solve anything} 37. axb3 Rb8 38. Rxg7
Rxd8 39. Rg8+ Ke7 40. Rgxd8 Kf7 41. R1d6 Kg6 42. Kf2 h5 43. h4 Kf7 44. R8d7+
Kf8 45. Rb7 Ke8 46. Rxf6 Kd8 47. Rf8#) 37. Rxg7 Rxe4 (37... Kf8 {is no
salvation} 38. Bxf6 Rxe4 39. Rc7 Rf4+ 40. Kg1 Re4 41. Rh7 h5 42. Rdd7 Re1+ 43.
Kf2 Rf1+ 44. Kxf1 Kg8 45. Rh8#) 38. Re7+ (38. Bb6 Kf8 39. Rh7 Rf4+ 40. Bf2 Ke8
41. Rdd7 Re4 42. Ra7 Re7 43. Rhxe7+ Kf8 44. Reb7 f5 45. Ra8#) 38... Rxe7 39.
Bxe7 Kxe7 40. Rb1 (40. Rb1 h5 41. Rxb4 f5 42. a4 h4 43. a5 Kd6 44. a6 h3 45. a7
Kc5 46. Rf4 hxg2+ 47. Kg1 Kd6 48. a8=Q Ke6 49. Qa5 Ke7 50. Qd5 Kf6 51. Rxf5+
Kg6 52. Qf7+ Kh6 53. Rh5#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "2.6"]
[White "ITO, Katsuhide"]
[Black "HAKAMADA, Eiji"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1282"]
[BlackElo "1510"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "96"]
[SourceDate "2018.03.25"]

{B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} 1. e4 c6
2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 e6 6. Be2 $146 (6. Nf3 c5 (6... Be7 7.
Bd3 O-O 8. O-O c5 9. dxc5 Bxc5 10. Qe2 Nbd7 11. Ng5 h6 12. N5e4 Nxe4 13. Nxe4
Be7 14. c3 Qc7 15. Re1 Nc5 16. Nxc5 Bxc5 17. Qf3 Bd7 18. Bf4 Bd6 19. Bxd6 Qxd6
20. Rad1 Bc6 21. Bh7+ {Mieles Palau,D (2468)-Bastidas Rodriguez,E (2441)
Guayaquil 2003 1/2-1/2}) 7. c3 (7. Bd3 Nc6 8. dxc5 Bxc5 9. O-O O-O 10. Bg5 Be7
11. a3 (11. Qd2 Qc7 12. Rfe1 Rd8 13. a3 b6 14. Bf4 Bd6 15. Bxd6 Qxd6 16. Rad1
Qf8 17. Qf4 Bb7 18. h4 Rac8 19. h5 Ne7 20. Ne5 h6 21. c4 Nc6 22. Nf3 Ne7 23. b4
Qe8 24. b5 Rc5 25. Ne5 Rdc8 {Harandi,K (2425)-Abdullah,M (2250) Novi Sad 1990
1/2-1/2 (43)}) 11... h6 12. Bd2 Re8 13. Re1 Bf8 14. b4 b6 15. Qe2 Bb7 16. Rad1
Qc7 17. Bc1 a5 18. b5 Ne7 19. c4 Nf5 20. Bb2 Nxg3 21. hxg3 Bc5 {Bojkovic,S 
(2263)-Radlovacki,J (2423) Kragujevac 2013 0-1 (42)}) 7... Nc6 8. Be3 (8. Bb5
Bd7 9. O-O cxd4 10. cxd4 Be7 11. Re1 O-O 12. a3 Qb6 13. Bd3 Rfd8 14. Ne2 Be8
15. Qc2 Rac8 16. Qb1 g6 17. Be3 Nd5 18. Nc3 Nxe3 19. fxe3 e5 20. dxe5 Na5 21.
Qc2 Bc5 22. Qe2 Bxe3+ {Martin,A (2445)-Berg,K (2375) London 1984 1-0 (34)})
8... Nd5 9. Bc1 Be7 10. Be2 O-O 11. O-O b6 12. dxc5 Bxc5 13. Qa4 Bb7 14. Qg4 f5
15. Qh3 Qf6 16. Nh5 Qe7 17. Bg5 Qf7 18. Bc4 h6 19. Rfe1 Rae8 20. Rad1 Kh8 {
Rovid,K (2375)-Moehring,G (2395) Budapest 1984 0-1 (40)}) 6... Be7 7. Nf3 O-O {
Black has a cramped position} 8. O-O {White castles and improves king safety}
Nbd7 9. c3 {Black's piece can't move: c8} Nb6 (9... b6 10. Bf4 $11) 10. Bf4
Nbd5 11. Be5 Ng4 12. Qc2 Nxe5 13. dxe5 {Black has the pair of bishops.} Nf4 14.
Rfd1 Nxe2+ 15. Nxe2 (15. Qxe2 Qc7 $14) 15... Qb6 (15... Qc7 16. Ng3 $11) 16.
Ng3 $14 f6 {Controls g5} 17. Rd2 (17. exf6 gxf6 18. Nh4 Rf7 $14) 17... fxe5 (
17... f5 18. Rad1 $11) 18. Nxe5 {Black's piece can't move: c8} Bf6 (18... Bg5
19. Re2 $14) 19. Nd7 (19. Nc4 $5 Qc7 20. Nd6 $16) 19... Bxd7 $14 20. Rxd7 Rad8
{Black threatens to win material: Rd8xd7} 21. Rad1 Rxd7 22. Rxd7 c5 (22... Rd8
23. Qd2 $14) 23. Qd2 (23. Ne4 $5 $16) 23... Be5 $14 24. Ne4 (24. Qe2 Qc6 25.
Rd1 $14) 24... Bf4 $4 {letting the wind out of his own sails} (24... Qc6 $142
25. f3 Bd4+ 26. Rxd4 cxd4 27. Qxd4 Qd5 28. Qxa7 Qd1+ 29. Kf2 Qc2+ 30. Kg3 Qxb2
$17) 25. Qd3 (25. Qe2 Qc6 26. Re7 Rf5 $16) 25... Qxb2 26. g3 {White threatens
to win material: g3xf4} Be5 27. Qc4 {White threatens to win material: Qc4xe6.
White forks: e6+c5} Kh8 (27... Re8 $142 $16) 28. Qxe6 $4 {stumbles just before
the finish line.} (28. Kg2 $142 Qc2 29. Rd2 $16) 28... Qb1+ $19 29. Kg2 Qxe4+
30. Kh3 h6 (30... Qe2 $142 {keeps an even firmer grip} 31. Qf7 Qf1+ 32. Kg4
Qxf2 33. Qxf2 h5+ 34. Kxh5 Rxf2 35. h3 $19) 31. Rf7 (31. Rd5 Rxf2 32. Rxe5 Qg2+
33. Kg4 Qf3+ 34. Kh3 $19) 31... Rxf7 32. Qxf7 Bf6 33. Qf8+ Kh7 34. Qxc5 a6 (
34... g5 35. f4 gxf4 36. Qh5 Qe6+ 37. Kg2 fxg3 38. hxg3 Qxa2+ 39. Kg1 Qb1+ 40.
Kf2 Bxc3 41. Qf7+ Bg7 42. g4 Qb2+ 43. Kg3 Qe5+ 44. Kh3 Qe3+ 45. Kh2 Qe4 46. Kg1
Qxg4+ 47. Kf1 Qe4 48. Kg1 Qg6+ 49. Qxg6+ Kxg6 50. Kf2 a5 51. Kf3 a4 52. Kg4 a3
53. Kf3 Kf5 54. Ke2 a2 55. Kd1 a1=Q+ 56. Kc2 Ke4 57. Kb3 Kd3 58. Kb4 Bf8+ 59.
Kb5 Qa6#) 35. c4 (35. Qb4 {cannot undo what has already been done} Qf3 36. Qb1+
Kh8 $19) 35... Qe6+ 36. Kg2 Qc6+ 37. Qd5 (37. Qxc6 {there is nothing better in
the position} bxc6 38. Kf3 $19) 37... Qxd5+ 38. cxd5 Be5 39. Kf3 Kg6 40. Ke4
Bd6 41. f4 (41. Kd3 {cannot change what is in store for White} Kf5 $19) 41...
b5 42. Kd4 (42. g4 $19 {hoping against hope}) 42... Kf5 43. Ke3 b4 44. Kd4 a5
45. Kc4 a4 46. h3 h5 47. h4 Ke4 48. Kb5 (48. a3 {does not help much} b3 49. Kc3
Bxa3 50. d6 Bxd6 51. f5 Be5+ 52. Kc4 b2 53. Kc5 b1=Q 54. Kc6 Qc2+ 55. Kb5 Kd5
56. Ka6 Kc6 57. Ka5 Qc4 58. g4 Bc3#) 48... b3 (48... b3 49. axb3 axb3 50. Kc6
b2 51. Kxd6 b1=Q 52. Ke6 Qb5 53. Kf7 Qd7+ 54. Kg6 Qe8+ 55. Kh7 Kf5 56. g4+ hxg4
57. h5 Kf6 58. h6 Qg6+ 59. Kg8 gxh6+ 60. Kf8 Qf7#) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "2.7"]
[White "KOBAYASHI, Katsuhiko"]
[Black "IKEDA, Naoto"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1494"]
[BlackElo "1317"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "91"]
[SourceDate "2018.03.25"]

{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 e6 8. O-O Ngf6 9. Bg5 (9. Bb3 Bd6 10. Qe2
Qc7 11. Re1 O-O 12. Ne5 c5 13. Nxg6 hxg6 14. Be3 Rad8 15. Rad1 Nb6 16. dxc5
Bxc5 17. Bxc5 Qxc5 18. Ne4 Qe5 19. Nxf6+ Qxf6 20. c3 Rxd1 21. Rxd1 Rd8 22. g3
Rxd1+ 23. Qxd1 Qe7 {Torre,E (2550)-Vukic,M (2495) Biel 1977 1/2-1/2 (40)}) 9...
Be7 10. Ne5 $146 (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. Nh4 $142
$5 $11 {and White has air to breath}) 10... Nxe5 $17 11. dxe5 Nd5 (11... Qxd1
$5 12. Raxd1 Nd7 13. Bxe7 Kxe7 $17) 12. Bxe7 $11 Qxe7 13. Re1 O-O-O 14. Qf3 (
14. Bb3 Kb8 $11) 14... Bxc2 $15 15. Ne4 Bxe4 16. Qxe4 Qg5 17. Bxd5 Rxd5 18.
Rad1 Rhd8 19. Rxd5 Rxd5 20. Qxh7 Qxe5 {Black has a mate threat} 21. Qg8+ {
White forks: f7} Kc7 {Black has a mate threat} 22. Qxf7+ {White forks: e6} Kb6
{Black has a mate threat} 23. Rf1 Qxb2 24. Qxe6 Qxa2 {Black has a new
protected passed pawn: c6} (24... a5 25. Qe3+ Ka6 26. a3 $17) 25. Qe3+ c5 (
25... Kb5 26. Qe7 b6 27. Qxg7 $11) 26. Qe6+ $11 Kb5 27. Qe8+ Kb4 28. Qg6 {
White threatens to win material: Qg6xg7} (28. Qe1+ Kb5 29. Qe8+ Kb4 30. Qe1+
Kb5 31. Qe8+ $11) 28... Rd7 (28... b5 29. Qxg7 c4 30. Rc1 $11) 29. Qg4+ $11 {
White forks: d7} Rd4 {Black threatens to win material: Rd4xg4. Here comes the
goal-getter} 30. Qxg7 b6 31. Qe7 Kb3 (31... Kb5 32. Qe8+ Ka6 33. g3 $11) 32.
Qe3+ (32. h4 c4 33. h5 Qc2 34. Qxa7 Rd1 35. Qxb6+ Ka2 36. Qa5+ Kb3 37. Qb5+ Ka2
38. Qa6+ Kb3 39. Qb5+ Ka2 40. Rxd1 Qxd1+ 41. Kh2 Qd6+ 42. f4 Qxf4+ 43. g3 Qd2+
44. Kg1 Qe3+ 45. Kg2 c3 $11) 32... Kb4 (32... Ka4 33. f4 Qd5 34. f5 $14) 33. f4
Rd2 (33... Qd5 34. Rb1+ Ka5 35. Qe2 $14) 34. Qe1 (34. Qe4+ $142 Rd4 35. Qe1+
Kb5 36. Qe8+ Ka6 37. f5 $18) 34... Kc4 $4 {ruins a clearly superior position} (
34... c4 $142 {is just about the only chance} 35. Qe4 Qb2 $11) 35. Qe4+ (35.
Qe6+ $142 {might be the shorter path} Rd5 36. Rd1 $18) 35... Kc3 $4 {the final
mistake, not that it matters anymore} (35... Kb5 36. f5 Rb2 $18) 36. f5 (36.
Rf3+ Kb2 37. Qe5+ Kb1 38. Qe1+ Kc2 39. Qxd2+ Kxd2 40. Rf2+ Ke3 41. Rxa2 Ke4 42.
Rxa7 Kd4 43. Rb7 Ke4 44. Rxb6 c4 45. f5 Kxf5 46. Kf2 c3 47. Rc6 Kg4 48. Ke3 Kf5
49. Rxc3 Kf6 50. Kf4 Ke6 51. Rd3 Kf6 52. g4 Ke6 53. g5 Ke7 54. Kf5 Kf7 55. g6+
Ke7 56. Rd5 Kf8 57. Kf6 Ke8 58. Rd3 Kf8 59. Rd8#) 36... Rd4 (36... Qd5 37. Qxd5
Rxd5 $18) 37. Rc1+ Kb4 38. Qb1+ (38. Rb1+ $142 {and White has reached his goal}
Ka5 39. Qe1+ Qd2 40. Ra1+ Kb5 41. Qxd2 Rxd2 $18) 38... Qb3 (38... Qxb1 39.
Rxb1+ Ka4 40. Ra1+ Kb3 $18) 39. f6 Qxb1 (39... Rd7 {the last chance for
counterplay} 40. Qe4+ c4 $18) 40. Rxb1+ Kc3 (40... Ka3 {a fruitless try to
alter the course of the game} 41. f7 Rd8 42. Rf1 $18) 41. f7 Rf4 42. Rf1 Rxf7
43. Rxf7 a5 (43... c4 {doesn't do any good} 44. h4 Kd3 45. h5 c3 46. Rc7 a6 47.
h6 c2 48. h7 Kd2 49. h8=Q c1=Q+ 50. Rxc1 Kxc1 51. g4 a5 52. g5 Kc2 53. g6 a4
54. g7 a3 55. g8=Q b5 56. Qd4 b4 57. Qa2+ Kc1 58. Qda1#) 44. Rf3+ (44. h4 a4
45. h5 a3 46. h6 a2 47. Rf1 a1=Q 48. Rxa1 Kb2 49. Rf1 Kc3 50. h7 Kd4 51. h8=Q+
Kc4 52. Rf4+ Kd5 53. Qd8+ Ke5 54. Qg5+ Kd6 55. Rf6+ Ke7 56. Qg7+ Kd8 57. Rf8#)
44... Kd4 45. h4 c4 (45... a4 {doesn't change anything anymore} 46. h5 a3 47.
Rxa3 b5 48. h6 Ke4 49. h7 b4 50. Ra1 c4 51. h8=Q b3 52. Rd1 b2 53. Qd4+ Kf5 54.
Qc5+ Kg6 55. Rd6+ Kg7 56. Qc7+ Kh8 57. Rd8#) 46. h5 (46. h5 c3 47. h6 c2 48.
Rf1 Kd3 49. h7 b5 50. h8=Q Kc4 51. Qh4+ Kc5 52. Rf5+ Kd6 53. Qd8+ Kc6 54. Qd5+
Kb6 55. Rf6+ Kc7 56. Rf7+ Kb8 57. Qb7#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "2.8"]
[White "TAKEUCHI, Hiroshi"]
[Black "MATSUMOTO, Kenshin"]
[Result "1-0"]
[ECO "D60"]
[BlackElo "1471"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "59"]
[SourceDate "2018.03.25"]

{D60: Queen's Gambit Declined: Classical: Unusual White 7th moves} 1. d4 d5 2.
c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Bd3 h6 7. Bh4 Nbd7 8. Nf3 b6 9. O-O
$146 (9. cxd5 Nxd5 10. Nxd5 (10. Bg3 Bb7 11. e4 Nxc3 12. bxc3 c5 13. O-O cxd4
14. cxd4 Nf6 15. Qe2 Rc8 16. Rfd1 Rc3 17. Be5 Rxd3 18. Qxd3 Bxe4 19. Qe2 Bxf3
20. Qxf3 Nd5 21. Rac1 Qd7 22. h3 Rd8 23. Qb3 b5 24. Rc2 a5 {Enchev,I (2380)
-Nikolov,M (2506) Sunny Beach 2014 1/2-1/2}) 10... exd5 11. Bxe7 (11. Bg3 Bb4+
12. Ke2 c5 13. a3 Ba5 14. b4 cxb4 15. Qb3 Nc5 16. dxc5 bxc5 17. axb4 c4 18.
Bh7+ Kh8 19. Qc3 Bxb4 20. Qxb4 Kxh7 21. Qd6 Bf5 22. Qxd8 Rfxd8 23. Nd4 Bg6 24.
Kd2 a5 25. Ra4 Ra6 {Aronian,L (2724)-Ponomariov,R (2704) Khanty-Mansiysk 2005
1-0 (73)}) 11... Qxe7 12. O-O c5 (12... Bb7 13. Qe2 c5 14. Rac1 c4 15. Bf5 b5
16. Bxd7 Qxd7 17. Ne5 Qd6 18. Qf3 f6 19. Ng6 Rfe8 20. h4 Re4 21. h5 Bc8 22. Nf4
Be6 23. g3 Bf7 24. b3 Rae8 25. Rc2 a5 26. Rb1 b4 27. Rbc1 {Zigo,V (2252)-Kolar,
P (2179) Czechia 2014 1-0 (37)}) 13. Rc1 Bb7 14. Bb1 Rfc8 15. Qd3 g6 16. h4 a5
17. Qa3 Qf6 18. h5 gxh5 19. Rfe1 c4 20. e4 dxe4 21. Bxe4 Bxe4 22. Rxe4 Nf8 23.
Qe3 Ra7 {Gevorgyan,D (2395)-Litvinov,M (2192) Moscow 2015 1-0 (35)}) 9... c5
10. Re1 Bb7 11. b3 Ne4 12. Bxe7 {White forks: f8+d8} Qxe7 13. Qc2 Ndf6 (13...
Nxc3 14. Qxc3 dxc4 15. Bxc4 Bxf3 16. gxf3 $15) 14. h3 {Prevents intrusion on g4
} (14. Ne5 Nxc3 15. Qxc3 Rac8 $11) 14... Rad8 (14... Nxc3 15. Qxc3 dxc4 16.
Bxc4 Bxf3 17. gxf3 $15) 15. Rad1 Rc8 (15... Nxc3 16. Qxc3 dxc4 17. Bxc4 Bxf3
18. gxf3 $15) 16. Ne2 (16. Bxe4 Nxe4 17. Nxe4 dxe4 $11) 16... cxd4 17. exd4 Qc7
(17... dxc4 18. bxc4 Nd6 19. Ne5 Nxc4 20. Nxc4 $15) 18. Rc1 Rfd8 19. Red1 Qe7
20. Ne5 dxc4 21. bxc4 {White has new hanging pawns: c4+d4} Qc7 22. f3 {White
threatens to win material: f3xe4} Nd6 (22... Nc5 23. Qb2 Nxd3 24. Rxd3 $11) 23.
Kf2 {White king safety dropped} Nde8 24. g4 (24. c5 bxc5 25. Qxc5 Qb8 $11)
24... Ba6 (24... Rxd4 25. Nxd4 Qxe5 26. Bf1 $15) 25. Rg1 (25. Qa4 $142 Bb7 26.
c5 bxc5 27. Rxc5 $11) 25... Kh8 $4 {not a good decision, because now the
opponent is right back in the game} (25... Rxd4 $142 $1 {would keep Black alive
} 26. Nxd4 Qxe5 $17) 26. g5 {White threatens to win material: g5xf6} (26. Qa4
$142 Bb7 27. c5 bxc5 28. Rxc5 $16) 26... Nh5 $4 (26... hxg5 $142 {had to be
tried to avoid defeat} 27. Rxg5 Kg8 $14) 27. gxh6 $18 g6 $4 {Black crumbles in
face of a dire situation} (27... Rxd4 28. Rg5 Rxd3 29. Qxd3 Nhf6 30. hxg7+ Kg8
$18) 28. Bxg6 $1 {Mate threat} fxg6 (28... fxg6 29. Nxg6+ Kg8 (29... Kh7 30.
Ne7+ {Mate attack}) 30. Ngf4+ {Double attack}) (28... -- $140 29. Bxf7 {
Mate threat}) 29. Qxg6 (29. Nxg6+ $142 {it becomes clear that White will call
all the shots} Kg8 30. Ne7+ Kf8 $18) 29... Rd7 (29... Nef6 {is the last straw}
30. Nf7+ Qxf7 31. Qxf7 Rd7 32. Qxe6 Re8 $18) 30. Qg8# 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "2.9"]
[White "KOYAHATA, Taku"]
[Black "WILLIAMS, Richard"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1391"]
[BlackElo "1209"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "79"]
[SourceDate "2018.03.25"]

{D35: Queen's Gambit Declined: Exchange Variation} 1. d4 Nf6 2. c4 e6 3. Nc3 d5
4. c5 (4. Qa4+ Bd7 5. Qb3 dxc4 6. Qxc4 Be7 7. Nf3 O-O 8. Bf4 Na6 9. Rd1 c5 10.
dxc5 Qa5 11. Nd4 Qxc5 12. Qxc5 Nxc5 13. Be5 Rfc8 14. Bxf6 Bxf6 15. Nd5 {
0-1 (15) Pantaleev,D (2285)-Lalev,D (2420) Belgrade 1991}) (4. Qb3 c5 5. dxc5
Nc6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 a5 9. a4 Qg6 10. Nge2 Bxc5 11. Nf4 Qg5 12. Bd3
b6 13. O-O-O Ba6 14. Kb1 Rc8 15. Nb5 Be7 {1/2-1/2 (15) Bhakti,K (2231)
-Narayanan,S (2414) Mumbai 2014}) 4... Nc6 $146 (4... b6 5. b4 a5 6. Ba3 axb4
7. Bxb4 bxc5 8. Bxc5 Bxc5 9. dxc5 Qe7 10. e3 Qxc5 11. Rc1 O-O 12. Ne4 Qa5+ 13.
Qd2 Nxe4 {0-1 (13) Petrov,P (2325)-Vasilev,N (2340) Teteven 1991}) 5. Nf3 h6 {
Consolidates g5} 6. e3 Be7 7. Be2 O-O 8. O-O b6 {Black threatens to win
material: b6xc5} 9. Bb5 {White threatens to win material: Bb5xc6} Bd7 10. Qa4
a5 $4 {gives the opponent counterplay} (10... Qe8 $142 $11 {would save the game
}) 11. Bxc6 $18 Bxc6 (11... bxc5 12. Ne5 Be8 13. Bd2 $18) 12. Qxc6 Qd7 $6 {
offers little resistance} (12... bxc5 13. dxc5 Nd7 14. Na4 $18) 13. Ne5 Qxc6 (
13... Qc8 {does not win a prize} 14. cxb6 cxb6 15. Qxb6 $18) 14. Nxc6 Rfe8 (
14... Bd8 {doesn't change anything anymore} 15. cxb6 cxb6 16. Nb5 $18) 15.
Nxe7+ (15. Nb5 {and White can already relax} Bd8 16. cxb6 cxb6 $18) 15... Rxe7
16. cxb6 cxb6 17. Bd2 Rc7 18. a4 Rb8 19. Rfb1 Rbc8 20. Ra3 (20. f3 {seems even
better} Ra8 $18) 20... Ne8 (20... Ra8 {cannot change what is in store for White
} 21. Kf1 $18) 21. b4 (21. Nb5 {makes it even easier for White} Rc4 $18) 21...
Nd6 22. Rab3 Nc4 23. Be1 Re7 (23... axb4 {does not save the day} 24. Nb5 Re7
25. Rxb4 $18) 24. bxa5 bxa5 25. Nd1 Rec7 26. Nb2 Nxb2 (26... g5 {cannot undo
what has already been done} 27. Nxc4 dxc4 28. Rc3 $18) 27. R3xb2 Rc1 (27... Kh7
{hardly improves anything} 28. Rb5 $18) 28. Rxc1 (28. Rb5 $142 {keeps an even
firmer grip} Rxb1 29. Rxb1 Kf8 $18) 28... Rxc1 29. Kf1 Kh7 (29... Ra1 $18 {
praying for a miracle}) 30. Rb5 g5 31. Rxa5 h5 (31... Kg6 {does not save the
day} 32. Ra7 $18) 32. e4 $1 {Deflection: d5} Kg6 (32... dxe4 33. Re5 {Decoy
Double attack} (33. Rxg5 {Deflection Pinning})) 33. exd5 Rc4 (33... exd5 {
is not the saving move} 34. Rxd5 Ra1 35. a5 $18) 34. dxe6 fxe6 35. Ra8 Rxd4 (
35... Kf5 $18 {desperation}) 36. a5 Ra4 37. a6 Ra2 38. a7 Kf5 39. Rf8+ Ke4 40.
a8=Q+ (40. a8=Q+ Rxa8 41. Rxa8 $18) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "3.1"]
[White "SUGIMOTO, Koichi"]
[Black "DRAKAKIS, Athanasios"]
[Result "1/2-1/2"]
[ECO "D66"]
[WhiteElo "1960"]
[BlackElo "1827"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "142"]
[SourceDate "2018.03.25"]

{D66: Queen's Gambit Declined: Classical: Main Line (7 Rc1 c6 8 Bd3)} 1. d4 d5
2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 c6 6. e3 h6 7. Bh4 Nbd7 8. Rc1 O-O 9. Bd3
dxc4 10. Bxc4 Nd5 11. Bg3 N7f6 12. O-O Nxc3 (12... b6 13. Qe2 Nxc3 14. bxc3 Ne4
15. Be5 Bb7 16. Rfd1 Ba3 17. Rc2 Qe7 18. Nd2 Nf6 19. Bd3 Bd6 20. Nc4 Bb8 21. e4
c5 22. Bxb8 Raxb8 23. e5 Nd5 24. Nd6 Bc6 25. Bb5 Ba8 26. Qg4 h5 27. Qxh5 {
Torre,E (2505)-Garcia,G (2330) Valetta 1980 1-0 (72)}) (12... Bd6 13. Re1 Bxg3
14. hxg3 Nxc3 15. bxc3 b6 16. e4 Bb7 17. Qe2 c5 18. Bd3 cxd4 19. cxd4 Rc8 20.
Rcd1 Rc7 21. Qd2 Qd7 22. Qf4 Rfc8 23. d5 exd5 24. e5 Nh5 25. Qh4 g6 26. e6 Qe7
27. Qxe7 {Puth,D (2169)-Schnur,E (2195) Heimbach Weis 2014 1-0 (42)}) 13. bxc3
Ne4 $146 (13... c5 14. Ne5 Ne4 15. Bf4 cxd4 16. cxd4 Bg5 17. Bxg5 Qxg5 18. Bd3
Nd6 19. Rc7 Ne8 20. Rc3 Qe7 21. Qc2 Qd8 22. Rc1 Bd7 23. Qb3 Nd6 24. Qb4 Be8 25.
a4 f6 26. Nc4 Nxc4 27. Bxc4 Qd7 28. Bb5 {Gruenberg,H (2500)-Elseth,R (2330)
Novi Sad 1990 1-0 (31)}) 14. Be5 Kh8 15. Bd3 Ng5 16. Nxg5 Bxg5 17. Qh5 Bf6 18.
Bf4 (18. f4 $5 $16) 18... Qd5 $14 19. Qe2 e5 20. Bg3 e4 {Black threatens to
win material: e4xd3} 21. Bc4 {White threatens to win material: Bc4xd5} Qg5 22.
Rfe1 Bg4 23. f3 {White threatens to win material: f3xg4. White forks: e4+g4}
Bh5 24. Qf2 exf3 25. gxf3 Qf5 {Black threatens to win material: Qf5xf3} 26. Kg2
{White king safety dropped} Rae8 27. e4 {White threatens to win material: e4xf5
} Qg6 28. Kh1 {White king safety improved} Be7 29. Rb1 b6 30. f4 f5 {Black
threatens to win material: f5xe4} 31. e5 {White has a new protected passed
pawn: e5} Bg4 32. Bf1 Qe6 33. Bg2 Rd8 34. h3 {White threatens to win material:
h3xg4} Bh5 35. Kh2 Bf7 36. Rb2 Qc4 {Black threatens to win material: Qc4xc3}
37. Rc2 Qe6 (37... Be6 $5 $11) 38. c4 $14 g5 $2 (38... Qd7 39. Rd1 Bc5 $16) 39.
d5 $18 cxd5 40. cxd5 Rxd5 41. Bxd5 Qxd5 42. Qg2 (42. e6 Bg6 43. Rc7 $18) 42...
Bc5 $2 (42... Qxg2+ $142 $5 43. Kxg2 gxf4 44. Bxf4 Rg8+ 45. Kh2 Bd5 $16) 43.
Qxd5 $18 Bxd5 44. Rd1 {White threatens to win material: Rd1xd5} (44. Bf2 $5
Bxf2 45. Rxf2 $18) 44... Be4 {A classical outpost} (44... Bc6 45. Rcd2 Ba4 46.
Rb1 $16) 45. Rcd2 Be3 (45... Bf3 46. Rf1 Be3 47. Rd6 $16) 46. Rd8 Kg8 $2 (46...
Rxd8 47. Rxd8+ Kg7 48. Rd7+ Kg6 49. e6 gxf4 50. Bh4 $16) 47. Rxf8+ $4 {White
has let it slip away} (47. e6 Bc6 48. e7 $16) 47... Kxf8 $16 48. fxg5 (48. Rd7
$142 $5 Bc6 49. Rc7 $16) 48... hxg5 $11 49. h4 f4 {Black threatens to win
material: f4xg3} 50. Be1 g4 {White has a new passed pawn: h4} 51. Rd6 {White
can be proud of that piece} g3+ 52. Bxg3 fxg3+ 53. Kxg3 Ke7 54. h5 Bc5 {
Black threatens to win material: Bc5xd6} (54... b5 55. h6 $11) 55. Rf6 {
Praise the rook!} (55. Kf4 Bh7 56. Rc6 Kd7 $14) 55... Bb1 $11 56. h6 {Is this
a dangerous pawn?} a5 (56... Bd4 57. Kf4 Bg1 58. Kg5 $11) 57. a4 $14 {Black
has a new backward pawn: b6} Bd4 {Black threatens to win material: Bd4xe5} 58.
Kf4 Bc2 $4 (58... Bc5 $142 $14 {saving the game}) 59. Rc6 $18 Bb1 60. h7 (60.
Rc1 Bg6 61. Rc7+ Ke8 62. h7 Bxh7 63. Rxh7 Bc5 64. Kf5 b5 65. axb5 a4 66. Ke6
Kf8 67. Rh8+ Kg7 68. Ra8 a3 69. Kd5 Bb6 70. Rxa3 Bd8 71. Ra6 Kf8 72. Kd6 Kf7
73. b6 Bxb6 74. Rxb6 Kg6 75. Rb4 Kf5 76. e6 Kg6 77. Ra4 Kf5 78. e7 Kg6 79.
e8=Q+ Kg5 80. Rb4 Kf5 81. Qg8 Kf6 82. Rf4#) 60... Bxh7 61. Rc7+ Ke6 62. Rxh7
Bxe5+ 63. Ke4 Bd6 64. Rh6+ Kd7 65. Kd5 Bc5 66. Rh7+ Kc8 67. Kc6 Kb8 68. Kb5 Bd4
69. Kc6 Bc5 70. Rh8+ Ka7 71. Re8 Bf2 1/2-1/2

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "3.2"]
[White "KIMURA, Ryota"]
[Black "AOKI, Yasuhiro"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1625"]
[BlackElo "1620"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "156"]
[SourceDate "2018.03.25"]

{B08: Pirc Defence: Classical System} 1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. d4 Bg7
5. Be3 c6 6. h3 b5 {Black has a cramped position} 7. Qd2 $146 (7. Bd3 O-O (7...
Qc7 8. O-O Nbd7 9. a4 b4 10. Ne2 c5 11. c3 c4 12. Bb1 b3 13. Qd2 e5 14. Ng3 O-O
15. Bh6 Re8 16. Bxg7 Kxg7 17. Nh4 Bb7 18. Re1 a5 19. f4 Ng8 20. Rf1 f6 21. Nf3
Rad8 22. d5 {Trikaliotis,G (2280)-Skembris,S (2455) Athens 1991 0-1 (41)}) 8.
O-O a5 (8... Re8 9. e5 dxe5 10. Nxe5 Be6 11. f4 b4 12. Ne4 Nxe4 13. Bxe4 Bd5
14. Bxd5 Qxd5 15. a3 bxa3 16. Rxa3 Nd7 17. Qf3 Nb6 18. b3 Qxf3 19. Nxf3 Nd5 20.
Bd2 Nc7 21. Ra4 Nb5 22. Be3 Red8 23. Rc4 {Del Rio de Angelis,S (2400)-Granda
Zuniga,J (2620) Leon 1997 1/2-1/2}) 9. Qd2 Re8 10. e5 dxe5 11. Nxe5 Nd5 12. f4
Nxe3 13. Qxe3 h6 14. Ne4 f6 15. Nf3 Na6 16. c3 Nc7 17. Qf2 Nd5 18. Nfd2 Ra7 19.
a4 b4 20. c4 f5 21. Ng3 Nxf4 {Vucinic,G (2377)-Petakov,U (2366) Palic 2014 0-1
(63)}) (7. a3 a6 8. Qd2 Nbd7 9. e5 Nd5 10. Nxd5 cxd5 11. Bh6 O-O 12. Bxg7 Kxg7
13. exd6 e6 14. Bd3 Nf6 15. Ne5 Qxd6 16. Ng4 Ng8 17. h4 h6 18. Ne5 Qe7 19. g4
Bd7 20. f4 Rfd8 21. c3 Be8 {Wagner Michel,A (2260)-Lematschko,T (2325) Kuala
Lumpur 1990 0-1 (34)}) (7. Bd3 O-O $14) 7... b4 $11 {Black threatens to win
material: b4xc3} 8. Ne2 (8. Nd1 Nxe4 9. Qxb4 O-O $11) 8... Nxe4 9. Qxb4 Nd7 10.
d5 $2 (10. Qa3 $142 $5 $11 {is the best option White has}) 10... cxd5 $17 11.
Ned4 (11. Qa3 O-O $17) 11... a5 (11... e5 12. Nb5 Ndc5 13. O-O-O $19) 12. Qb5 (
12. Qb3 $5 e6 13. a4 $17) 12... Nec5 $19 13. Nb3 (13. Qe2 Qb6 14. Nb5 O-O $19)
13... Rb8 14. Qxa5 Qxa5+ 15. Nxa5 Bxb2 16. Rd1 Bc3+ 17. Bd2 Bxd2+ 18. Kxd2 Ne4+
19. Ke3 Nc3 (19... Ra8 $5 {keeps an even firmer grip} 20. Nc4 Bb7 21. Rb1 $19)
20. Rd3 Nxa2 21. Rxd5 Nf6 22. Rd4 Bf5 23. Bd3 Bxd3 24. cxd3 O-O 25. Rc4 $4 {
simply worsens the situation} (25. Nc6 Rb6 26. Ra1 Rxc6 27. Rxa2 e5 $17) 25...
Nb4 (25... Nd5+ $142 {and Black wins} 26. Kd2 Rb2+ 27. Rc2 Rxc2+ 28. Kxc2 Ra8
$19) 26. Kd2 Nbd5 27. Rhc1 Rb2+ 28. R1c2 Rxc2+ 29. Kxc2 (29. Rxc2 Nf4 30. Ne1
Ra8 $17) 29... Ra8 $19 30. Ra4 Nh5 (30... Nd7 31. Ne1 $19) 31. g3 $17 Nhf6 32.
Nd4 Nd7 33. Ndc6 Nc5 34. Ra3 Kf8 35. Nc4 Rxa3 36. Nxa3 Ke8 37. Nc4 Kd7 38. Nd4
(38. N4a5 g5 $19) 38... Nb4+ 39. Kd2 Nbxd3 (39... Ncxd3 {might be the shorter
path} 40. Kc3 $19) 40. Nb6+ Kc7 41. Nd5+ Kb7 (41... Kd8 42. Ke3 Ne5 43. Nb5 $19
) 42. Ke3 (42. f4 e5 43. fxe5 Nxe5 $19) 42... e5 43. Nf3 h6 44. h4 (44. Nf6 Nb2
45. Ng8 h5 $19) 44... Kc6 45. Nf6 d5 {[%cal Ye5e4] Black intends e4} 46. Ng4
d4+ 47. Ke2 Kd5 48. Nxh6 e4 49. Ng5 $2 (49. Nxd4 Kxd4 50. Nxf7 $19) 49... f5
50. Nh3 (50. h5 {is not much help} gxh5 51. Nxf5 Ke5 $19) 50... Ne5 (50... Nb2
$142 {and the result of the game is clear: Black will win} 51. Nf4+ Kc4 $19)
51. Nf4+ Kc4 {[%cal Yd4d3] Black prepares d3} (51... Kc6 $142 52. Kd1 Ncd3 $19)
52. Ng8 $4 {the position was bad, and this mistake simply hastens the end} (52.
h5 d3+ 53. Kd1 gxh5 54. Nxf5 $19) 52... d3+ 53. Kd1 Na4 (53... Nf3 54. Ne7 Na4
55. Nxd3 exd3 56. Nc6 Kc3 57. Na5 Nb2+ 58. Kc1 d2+ 59. Kb1 d1=Q+ 60. Ka2 Qa4+
61. Kb1 Nd2+ 62. Kc1 Nd3#) 54. Ng2 (54. Kd2 {does not help much} Nf3+ 55. Ke3
d2 56. Nxg6 d1=Q 57. Kf4 Nc5 58. Ne5+ Nxe5 59. Kxe5 Qd5+ 60. Kf6 Qxg8 61. Kxf5
Kd5 62. Kf4 Nd3+ 63. Kf5 Ne5 64. h5 Qf8+ 65. Kg5 Qg7+ 66. Kf4 Qg4+ 67. Ke3 Nc4#
) 54... Kc3 (54... Nf3 55. Ne3+ Kb3 56. Nc4 Kxc4 57. Nf6 Nc3+ 58. Kc1 Kb3 59.
Nxe4 fxe4 60. g4 d2#) 55. Ne3 (55. Ke1 {doesn't do any good} d2+ 56. Ke2 Nb2
57. Ne3 Nec4 58. Nd5+ Kc2 59. Ne3+ Nxe3 60. Kxe3 d1=Q 61. Kf4 Qd8 62. Ke5 Nd3+
63. Ke6 Qxg8+ 64. Kd6 Qf7 65. g4 Qf6+ 66. Kc7 Ne5 67. Kb7 Qc6+ 68. Ka7 Nc4 69.
h5 Na5 70. hxg6 Qb7#) 55... Nb2+ 56. Ke1 Nf3+ (56... d2+ 57. Ke2 Nec4 58. f3
Nxe3 59. Kxe3 d1=Q 60. Kf4 Qd8 61. Ke5 e3 62. Ke6 Qxg8+ 63. Ke7 e2 64. Kf6 e1=Q
65. g4 Qee6+ 66. Kg5 Qe7+ 67. Kf4 Qb8#) 57. Kf1 Kd2 (57... Nc4 $142 {and the
rest is a matter of technique} 58. Nxc4 Kxc4 59. Ne7 $19) 58. Ne7 (58. Nf6 {
is not the saving move} Nd1 59. Nc4+ Kc2 $19) 58... Nh2+ 59. Kg2 (59. Kg1 {
is no salvation} Nd1 60. Nc4+ Kc3 $19) 59... Ng4 60. Nf1+ Ke2 61. Nxg6 d2 62.
Nxd2 Kxd2 63. Ne7 Nh6 64. Nd5 (64. Nc6 {there is nothing else anyway} Nd1 65.
Nd4 $19) 64... Nd3 65. Ne3 (65. h5 {does not improve anything} Ke2 66. Nc3+ Ke1
$19) 65... Nxf2 $1 {Deflection: e3} 66. Nd5 (66. Kxf2 Ng4+ {Deflection}) 66...
Nfg4 67. Nf4 (67. Kf1 {doesn't get the cat off the tree} Ne3+ 68. Nxe3 Kxe3 69.
Kg2 Kd3 70. g4 e3 71. Kg3 Nxg4 72. Kf3 e2 73. Kf4 e1=Q 74. Kg5 Qe5 75. h5 Qd6
76. Kxf5 Nh6+ 77. Kg5 Qe6 78. Kf4 Qe3#) 67... e3 68. Kf1 Nh2+ 69. Kg2 e2 (69...
N6g4 70. h5 e2 71. Nxe2 Kxe2 72. h6 Nxh6 73. Kxh2 Kf2 74. Kh3 Kf3 75. Kh4 Kg2
76. g4 fxg4 77. Kh5 g3 78. Kxh6 Kf3 79. Kg7 g2 80. Kg6 g1=Q+ 81. Kf7 Kf4 82.
Kf6 Qe3 83. Kg7 Qe7+ 84. Kg8 Kf5 85. Kh8 Kg6 86. Kg8 Qg7#) 70. Nxe2 Kxe2 71.
Kxh2 Kf2 72. Kh3 Kf3 73. h5 Ke4 (73... Nf7 74. Kh4 Ke4 75. Kh3 Ng5+ 76. Kg2 Ke5
77. Kf2 Kf6 78. h6 Kg6 79. Kg2 Kxh6 80. Kf2 Kg7 81. Kg1 Kf6 82. Kf2 Ne6 83. Kf1
Kg5 84. Kg2 Ng7 85. Kf3 Nh5 86. Ke2 Kg4 87. Kf2 Nxg3 88. Ke3 f4+ 89. Kf2 f3 90.
Ke3 Nf5+ 91. Kf2 Kf4 92. Kf1 Ke3 93. Ke1 f2+ 94. Kf1 Ng3+ 95. Kg2 f1=Q+ 96.
Kxg3 Qg1+ 97. Kh3 Kf3 98. Kh4 Qg4#) 74. Kh4 Nf7 75. Kh3 Ng5+ 76. Kh4 (76. Kh2 {
does not solve anything} Kf3 77. Kg1 Kxg3 78. h6 f4 79. Kf1 f3 80. Ke1 f2+ 81.
Ke2 Kg2 82. Ke3 f1=Q 83. Kd4 Qb5 84. h7 Nxh7 85. Kc3 Ng5 86. Kc2 Qb4 87. Kd3
Kf2 88. Kc2 Ke2 89. Kc1 Kd3 90. Kd1 Qd2#) 76... Nf3+ $19 77. Kh3 Ng5+ {Twofold
repetition} (77... Ke5 78. Kg2 Ng5 79. h6 Kf6 80. Kf2 Kg6 81. Ke3 Kxh6 82. Kf2
Nh7 83. Ke1 Nf6 84. Kd2 Kg6 85. g4 f4 86. Kd3 Kg5 87. Ke2 Kxg4 88. Kf2 f3 89.
Ke3 Kg3 90. Kd3 f2 91. Ke2 Ng4 92. Kd3 f1=Q+ 93. Kc3 Qb5 94. Kd4 Kf4 95. Kc3
Ke3 96. Kc2 Qb4 97. Kc1 Kd3 98. Kd1 Qb1#) 78. Kh4 $11 Nf3+ 1/2-1/2

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "3.3"]
[White "YOSHII, Yukihiko"]
[Black "SONOMOTO, Shingi"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1783"]
[BlackElo "1740"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "97"]
[SourceDate "2018.03.25"]

{A42: Modern Defence: Averbakh Variation} 1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. e4
Nc6 5. Be3 e5 6. Nf3 Bg4 7. dxe5 (7. d5 Nd4 8. Nb5 Nxf3+ 9. gxf3 Bd7 10. c5 a6
11. Na3 Nf6 12. cxd6 cxd6 13. Nc4 Bb5 14. Nb6 Rb8 15. Bxb5+ axb5 16. Qb3 O-O
17. Qxb5 Nh5 18. Nd7 Qe8 19. a4 Ra8 20. Rc1 Ra5 21. Qxb7 Qe7 {Ghaem Maghami,E 
(2582)-Onischuk,V (2594) Dubai 2014 1/2-1/2 (46)}) 7... Nxe5 $146 (7... Bxf3 8.
Qxf3 dxe5 9. Qd1 Nd4 10. Qa4+ c6 11. O-O-O Nf6 12. c5 Qe7 13. Bxd4 exd4 14.
Qxd4 O-O 15. Qd6 Qxd6 16. Rxd6 Ng4 17. Be2 Nxf2 18. Rf1 Bxc3 19. Rxf2 Bb4 20.
Rd7 Bxc5 21. Rf3 Rae8 22. Bc4 {Fedoseev,V (2237)-Serov,M (2265) Peterhof 2007
1/2-1/2 (49)}) 8. Be2 Nxf3+ 9. Bxf3 (9. gxf3 Bd7 $14) 9... Bxf3 $11 {Black
forks: d1+g2} 10. Qxf3 c6 {Covers b5+d5} (10... Bxc3+ 11. bxc3 Qf6 12. Bf4 $11)
11. Bf4 Be5 12. Rd1 Qe7 13. O-O {White castles and improves king safety} Nf6
14. Rfe1 {Black has a cramped position} O-O 15. Bg5 Kg7 $2 (15... Rfe8 16. Qd3
h6 17. Bh4 $11) 16. h3 {White has an active position} (16. Qh3 $142 Qe6 17.
Bh6+ Kg8 18. Qxe6 fxe6 19. Bxf8 Kxf8 20. Re3 $16) 16... h6 $11 {Black
threatens to win material: h6xg5} 17. Bd2 Nh7 (17... g5 $5 $11 {is an
interesting idea}) 18. Qe3 $16 g5 19. Qd3 (19. Ne2 Nf6 20. Nd4 Kg6 $16) 19...
Qe6 (19... Nf6 20. Ne2 $16) 20. b3 (20. Ne2 Nf6 $16) 20... f5 $14 21. f3 f4 {
Black gains space} 22. Ne2 h5 {[%cal Yg5g4] Black prepares the advance g4} (
22... Qf6 23. Bc3 $14) 23. Nd4 $16 Qg6 $2 (23... Qf6 $142 $5 24. Nf5+ Kg6 $16)
24. Nf5+ $18 Kh8 25. Bc3 (25. Bb4 c5 26. Bc3 Qf6 27. Bxe5 dxe5 $18) 25... g4 $2
(25... Qf6 26. Bxe5 dxe5 27. Qc3 $18) 26. Bxe5+ (26. Nxd6 $142 $5 {makes it
even easier for White} Qf6 27. Bxe5 Qxe5 28. hxg4 hxg4 29. fxg4 Ng5 $18) 26...
dxe5 27. Qd6 {White threatens to win material: Qd6xg6. White forks: e5+g6} (27.
hxg4 $142 hxg4 28. Kf2 gxf3 29. Qxf3 $18) 27... Qe8 $4 (27... Rf6 $142 28. Qxe5
gxf3 $16) 28. hxg4 $18 hxg4 29. Qh6 (29. fxg4 {and White can already relax} Rf6
30. Qd7 Qxd7 31. Rxd7 Raf8 32. Rxb7 R6f7 $18) 29... Rg8 $2 (29... Qf7 30. Rd6
Rfd8 31. Red1 Rxd6 32. Qxd6 $18) 30. fxg4 Rxg4 (30... Qf8 31. Qh5 Qe8 32. Qh4
$18) 31. Kf2 Rg6 (31... Qg6 32. Qxg6 Rxg6 33. Rh1 $18) 32. Qh3 (32. Qh4 $142 {
might be the shorter path} Qf7 33. Rh1 $18) 32... Kg8 (32... Qf7 $18) 33. Rh1
Ng5 (33... Qf7 {cannot change destiny} 34. Nh6+ Rxh6 35. Qxh6 $18) 34. Qh8+ Kf7
35. Rh7+ $1 {Double attack: b7/f7} Nxh7 36. Qxh7+ Kf8 37. Rd7 Qe6 (37... Qxd7 {
doesn't get the bull off the ice} 38. Qxd7 Re8 39. Qh7 $18) 38. Rd6 (38. Rg7
Rxg7 39. Qxg7+ Ke8 40. Qxb7 Qd7 41. Qxa8+ Kf7 $18) 38... Qxd6 (38... Rxg2+ {
otherwise it's curtains at once} 39. Kxg2 Qg8+ 40. Qxg8+ Kxg8 $18) 39. Nxd6
Rxd6 40. Qh8+ Kf7 41. Qxa8 Rd2+ (41... Rd7 {doesn't improve anything} 42. Qb8
Re7 43. Qxa7 $18) 42. Kf3 Rd3+ (42... Rd7 {doesn't change the outcome of the
game} 43. Kg4 Ke6 44. Qg8+ Kd6 45. Kf5 $18) 43. Kg4 Rd7 (43... Ke6 {a
fruitless try to alter the course of the game} 44. Qe8+ Kf6 45. Qf8+ Ke6 46.
Qf5+ Kd6 47. Qf6+ Kc5 48. Qxe5+ Kb6 49. Qxf4 $18) 44. Kf5 Re7 45. Qh8 a6 46.
Qh5+ Kf8 47. Kf6 Rg7 48. Qh8+ (48. Qh6 Ke8 49. Qxg7 Kd8 50. Qxb7 a5 51. Ke6 Ke8
52. Qe7#) 48... Rg8 $18 49. Qxg8+ (49. Qxg8+ Kxg8 50. c5 $18) (49. Qh7 Rg6+ 50.
Qxg6 a5 51. Qf7#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "3.4"]
[White "MANABE, Hiroaki"]
[Black "KOBAYASHI, Katsuhiko"]
[Result "1-0"]
[ECO "C23"]
[WhiteElo "1723"]
[BlackElo "1494"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "105"]
[SourceDate "2018.03.25"]

{C23: Bishop's Opening: 2...Bc5} 1. e4 e5 2. Bc4 Bc5 3. Nf3 d6 (3... Qf6 4. c3
Nc6 5. d4 Bb6 6. d5 Nce7 7. Qe2 h6 8. Be3 g5 9. Na3 Ng6 10. g3 d6 11. Nd2 c6
12. O-O-O N8e7 13. Bb3 c5 14. Ba4+ Kd8 15. Ndc4 Bh3 16. f3 Nc8 17. Qf2 Bc7 18.
Bxc5 {Guerra,A (2225)-Klaric,Z (2426) Mestre 2011 0-1 (31)}) 4. d4 (4. c3 Qe7
5. O-O Nf6 6. Re1 c6 7. d3 Bb6 8. Nbd2 Be6 9. a4 Nbd7 10. a5 Bc7 11. d4 Bxc4
12. Nxc4 O-O 13. dxe5 dxe5 14. b3 Nc5 15. Ba3 b5 16. axb6 axb6 17. Qc2 b5 18.
Ncd2 Bd6 {Atlas,V (2467)-Schroll,G (2417) Austria 2003 1-0 (59)}) 4... exd4 5.
Nxd4 Nf6 6. O-O $146 (6. Nc3 O-O 7. O-O h6 8. Kh1 Re8 9. f3 c6 10. a4 a5 11.
Nb3 Bb6 12. Bf4 Bc7 13. g4 Be6 14. Qd3 Na6 15. Bxa6 Rxa6 16. Nd4 Nd7 17. Nf5
Ne5 18. Qd4 Qf6 19. Bg3 {1/2-1/2 (19) Singh,G (2341)-Singh,R (2259) Singapore
2004}) 6... Bxd4 7. Qxd4 Nc6 {Black threatens to win material: Nc6xd4} 8. Bb5
a6 (8... O-O 9. Bxc6 bxc6 10. f3 $11) 9. Bxc6+ $14 bxc6 {Opposite coloured
bishops appeared} 10. Bg5 (10. e5 dxe5 11. Qxe5+ Qe7 $16) 10... c5 {Black
threatens to win material: c5xd4} 11. Qe3 O-O 12. Nc3 Bb7 13. Rad1 Re8 {
[%cal Rb7e4,Re8e4,Rf6e4,Gc3e4,Ge3e4] e4 becomes the focus of attention} 14. Qf4
h6 15. Bxf6 Qxf6 16. Qxf6 gxf6 17. f3 Kh7 18. Nd5 Bxd5 19. Rxd5 {A double rook
endgame occured} Rg8 20. Kf2 Rg5 21. Rfd1 Rag8 22. g4 h5 (22... Rb8 23. b3 $14)
23. h3 h4 (23... hxg4 24. hxg4 Rb8 25. b3 $16) 24. f4 Rxd5 25. Rxd5 Rg6 $4 {
cause more grief} (25... Re8 $142 26. Rh5+ Kg7 $16) 26. Rh5+ $18 Rh6 (26... Kg7
$18 {the only chance to get some counterplay}) 27. Rxh6+ Kxh6 28. Ke3 (28. Ke2
$142 {keeps an even firmer grip} Kg7 29. Kd3 f5 30. gxf5 Kf6 $18) 28... c6 (
28... Kg6 {a last effort to resist the inevitable} 29. Kd3 Kg7 $18) 29. c4 Kg7
30. Kd3 Kf8 (30... a5 {does not save the day} 31. Kc3 a4 32. b3 $18) 31. Kc3
Ke7 32. b4 Kd7 33. a4 Kc7 (33... cxb4+ {is still a small chance} 34. Kxb4 Kc7
$18) 34. bxc5 dxc5 35. a5 Kd7 36. Kd3 Ke6 37. Ke3 Kd7 38. f5 Kd6 39. Kf4 Ke7 (
39... Kd7 {does not win a prize} 40. g5 fxg5+ 41. Kxg5 Ke7 42. e5 f6+ 43. Kg6
fxe5 44. Kg7 Kd7 45. f6 e4 46. f7 Ke6 47. f8=Q e3 48. Qf4 e2 49. Qe3+ Kd7 50.
Qxe2 Kd8 51. Kf6 Kc7 52. Qe7+ Kb8 53. Ke6 Ka8 54. Kd6 Kb8 55. Kxc6 Kc8 56. Qf8#
) 40. g5 fxg5+ 41. Kxg5 Kd6 (41... Ke8 {doesn't change the outcome of the game}
42. Kh6 Kf8 43. e5 Ke8 44. Kh7 Kd7 45. Kg8 Ke8 46. f6 Kd8 47. Kf8 Kc8 48. Kxf7
Kd7 49. Kg7 Ke6 50. f7 Kxe5 51. f8=Q Kd4 52. Qf6+ Kxc4 53. Qxc6 Kd3 54. Qxa6+
c4 55. Qb5 Kd2 56. Qxc4 Ke3 57. a6 Kf2 58. a7 Kg2 59. a8=Q+ Kf2 60. Qxh4+ Kg1
61. Qf3 Kh2 62. Qhg3#) 42. Kf6 Kd7 (42... Kc7 {hardly improves anything} 43. e5
Kb8 44. Kxf7 Kc7 45. Kf6 Kd7 46. e6+ Kc7 47. e7 Kd7 48. Kf7 Kd6 49. e8=Q Kc7
50. Qe7+ Kb8 51. f6 Ka8 52. Ke6 Kb8 53. f7 Ka8 54. f8=Q#) 43. Kxf7 Kd6 44. Kf6
Kd7 45. e5 Ke8 (45... Kd8 {cannot change what is in store for White} 46. e6 Kc8
47. Kg7 Kd8 48. f6 Ke8 49. e7 Kd7 50. Kf7 Kc7 51. e8=Q Kb7 52. Kg7 Ka7 53. f7
Kb7 54. f8=Q Ka7 55. Qfe7#) 46. Kg7 (46. e6 Kd8 47. Kf7 Kc7 48. e7 Kb8 49.
e8=Q+ Kb7 50. Ke7 Kc7 51. Qd7+ Kb8 52. f6 Ka8 53. f7 Kb8 54. f8=Q#) 46... Ke7
47. f6+ (47. e6 Kd6 48. Kf6 Kc7 49. e7 Kd7 50. Kf7 Kc7 51. e8=Q Kb7 52. Qd7+
Ka8 53. Ke7 Kb8 54. f6 Ka8 55. f7 Kb8 56. f8=Q#) 47... Ke6 (47... Kd7 {is not
much help} 48. f7 Ke6 49. f8=Q Kxe5 50. Qf6+ Ke4 51. Qd6 Kf5 52. Qd3+ Ke6 53.
Kg6 Ke5 54. Kf7 Kf4 55. Ke6 Kg5 56. Qe4 Kh5 57. Kf6 Kh6 58. Qg6#) 48. f7 Kxe5 (
48... Kf5 {is not the saving move} 49. f8=Q+ Kxe5 50. Qe8+ Kf4 51. Kf6 Kg3 52.
Qe3+ Kg2 53. Kg5 Kf1 54. Kg4 Kg2 55. Qd2+ Kf1 56. Kf3 Kg1 57. Qg2#) 49. f8=Q
Kd4 (49... Ke4 {doesn't get the bull off the ice} 50. Qd6 Kf5 51. Qd3+ Kf4 52.
Kf8 Ke5 53. Kf7 Kf4 54. Ke6 Kg5 55. Qe4 Kh6 56. Kf6 Kh5 57. Qg6#) 50. Qf1 Kc3 (
50... Ke5 {cannot change destiny} 51. Kf7 Ke4 52. Qd1 Ke3 53. Ke6 Ke4 54. Kf6
Ke3 55. Ke5 Kf2 56. Kf4 Kg2 57. Qe1 Kh2 58. Kf3 Kxh3 59. Qh1#) 51. Kf6 Kb4 52.
Ke5 Kxa5 (52... Kb3 {doesn't get the cat off the tree} 53. Qd3+ Ka2 54. Qc2+
Ka1 55. Qh2 Kb1 56. Ke4 Ka1 57. Kd3 Kb1 58. Kc3 Kc1 59. Qc2#) 53. Qb1 (53. Qb1
Ka4 54. Kd6 a5 55. Kxc5 Ka3 56. Kd4 c5+ 57. Kc3 a4 58. Qb2#) (53. Qe1+ Ka4 54.
Qb1 a5 55. Ke4 Ka3 56. Kd3 Ka4 57. Kc3 Ka3 58. Qa1#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "3.5"]
[White "HAKAMADA, Eiji"]
[Black "WATANABE, Katsumi"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1510"]
[BlackElo "1657"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "155"]
[SourceDate "2018.03.25"]

{D07: Queen's Gambit: Chigorin Defence} 1. Nf3 Nc6 2. c4 Nf6 3. d4 d5 (3... e5
4. d5 e4 5. dxc6 exf3 6. cxd7+ Bxd7 7. gxf3 Bd6 8. Nc3 Qe7 9. e3 O-O-O 10. Qc2
Bc6 11. Be2 Ng4 12. Nd5 Bxd5 13. cxd5 Nf6 14. e4 Nh5 15. Be3 Bb4+ 16. Kf1 Kb8
17. Rc1 Bd6 18. Qa4 {Nyback,T (2587)-Nepomniachtchi,I (2520) playchess.com INT
2006 1-0 (37)}) 4. cxd5 Qxd5 5. Nc3 Qd8 $146 (5... Qa5 6. e3 (6. Bd2 Bg4 7. e4
Qh5 8. d5 Ne5 9. Be2 Bxf3 10. gxf3 Qh3 11. Bf4 Nfd7 12. Nb5 Kd8 13. Qc2 Rc8 14.
O-O-O g5 15. Bg3 a6 16. Na7 Ra8 17. Nc6+ bxc6 18. dxc6 Bg7 19. Bxe5 Bxe5 20.
Rxd7+ Ke8 {Laurusas,T (2418)-Vedrickas,T (2330) Vilnius 2014 1-0 (40)}) 6... e5
(6... a6 7. Bd2 Qh5 8. Be2 Bg4 9. h3 O-O-O 10. Rg1 Bxf3 11. Bxf3 Qf5 12. g4 Qe6
13. g5 Nxd4 14. gxf6 exf6 15. Bd5 Qe8 16. Qg4+ Ne6 17. O-O-O Kb8 18. Qe4 c6 19.
Bc4 Ng5 20. Qxe8 Rxe8 21. Rg3 {Jumabayev,R (2544)-Annaberdiyev,B (2244)
Tashkent 2009 1-0 (32)}) (6... Bg4 7. Bb5 Ne4 8. Qa4 Qxa4 9. Bxa4 Nxc3 10. bxc3
Bd7 11. Rb1 b6 12. e4 e6 13. Bb5 Bd6 14. e5 Be7 15. O-O O-O 16. Bg5 Bxg5 17.
Nxg5 Rfd8 18. f4 Ne7 19. Bd3 h6 20. Ne4 Bc6 21. Ng3 {Ramesa,D (2308)-Cucancic,
S (2232) Rijeka 2007 0-1 (57)}) 7. Bb5 Bg4 8. dxe5 Nd7 9. Qd5 Bb4 10. Bd2 O-O-O
11. Bxc6 Nc5 12. Bxb7+ Kb8 13. Qc4 Nd3+ 14. Kf1 Be6 15. Bd5 Bxd5 16. Nxd5 Bxd2
17. Qxd3 Rxd5 18. Nd4 Ka8 19. Ke2 c5 20. Nc6 {Frade Marques,H (2250)-Chanoine,
G (2179) Paris 2003 1-0}) 6. d5 {White threatens to win material: d5xc6} Nb8 7.
e4 c6 {Secures b5} 8. Be2 e6 9. dxe6 (9. d6 e5 10. Nxe5 Bxd6 $16) 9... Qxd1+
$14 10. Bxd1 Bxe6 {White has an active position} 11. Ng5 Bc4 {Black traps the
enemy king in the center} 12. f3 {Covers g4} h6 {Black threatens to win
material: h6xg5} 13. Nh3 Bb4 14. Bd2 Nbd7 15. a3 Bc5 16. Rc1 O-O (16... Bd4
$142 $5 $11 {might be a viable alternative}) 17. Na4 $16 b5 18. Nxc5 Nxc5 19.
Be2 {White threatens to win material: Be2xc4} (19. Nf2 $5 Rfc8 20. Be3 $16)
19... Nb3 $14 {Black threatens to win material: Nb3xc1} 20. Rc3 Rad8 (20...
Nxd2 $5 21. Kxd2 Rfd8+ 22. Ke1 Rd4 $11) 21. Be3 $16 Bxe2 22. Kxe2 Na5 23. Bxa7
Rd7 24. Be3 Nc4 25. b3 Nxe3 26. Kxe3 Rfd8 27. Nf4 g5 28. Nd3 Rd6 (28... Re8 29.
Rxc6 Nd5+ 30. Kf2 $18) 29. Nb4 Re8 $2 (29... Nh5 30. Nxc6 Re8 $18) 30. Ke2 (30.
Rxc6 $142 $5 {keeps an even firmer grip} Rxc6 31. Nxc6 Nd5+ 32. Kd4 Ne7 $18)
30... Nh5 $2 (30... Nd5 $142 31. Nxd5 cxd5 $16) 31. g3 $18 g4 (31... f5 32.
Rxc6 Rxc6 33. Nxc6 fxe4 34. fxe4 Rxe4+ 35. Kd3 $18) 32. Rxc6 gxf3+ 33. Kxf3
Rxc6 34. Nxc6 Nf6 35. e5 Re6 (35... Nd7 36. Kf4 Nc5 $18) 36. Rc1 Nd7 37. Kf4
Nb6 (37... Re8 {cannot change destiny} 38. a4 bxa4 39. bxa4 $18) 38. Nd8 (38.
Nd4 {makes it even easier for White} Re8 39. Rc5 b4 40. axb4 h5 $18) 38... Re8
(38... Nd5+ {doesn't do any good} 39. Ke4 Re8 40. Nc6 Nf6+ 41. Kf5 $18) 39. Rd1
Kg7 40. Rd6 Nc8 41. Rd7 Ne7 (41... Nb6 {doesn't do any good} 42. Rd3 $18) 42.
Kg4 (42. e6 {seems even better} Kf6 43. exf7 Ng6+ 44. Kg4 h5+ 45. Kh3 Rh8 $18)
42... Kg6 (42... Rg8 {is no salvation} 43. Kh3 $18) 43. h4 f5+ (43... h5+ {
does not solve anything} 44. Kf4 $18) 44. exf6 (44. Kf4 $142 {ends the debate}
h5 $18) 44... Kxf6 45. Rd6+ Kg7 46. h5 Kh7 (46... Nc8 {does not help much} 47.
Rg6+ Kh7 48. Ne6 $18) 47. Re6 (47. Rd7 $142 {and White has it in the bag} Kg8
48. a4 bxa4 49. bxa4 $18) 47... Rg8+ 48. Kh3 (48. Kf3 $5 {might be the shorter
path} Rf8+ 49. Kg2 Nd5 $18) 48... Nf5 49. g4 Ng7 $2 (49... Rxd8 50. gxf5 Rd3+
51. Kg4 Rxb3 $18) 50. Rd6 Re8 51. Nf7 Re3+ 52. Kh4 Rxb3 (52... Ne6 {doesn't
change anything anymore} 53. Rd7 Re1 54. Nd6+ Kh8 55. Nf5 $18) 53. Ra6 (53.
Rxh6+ $142 {and White can already relax} Kg8 54. Nd6 Rxa3 $18) 53... b4 (53...
Rb1 {there is nothing better in the position} 54. Rxh6+ Kg8 $18) 54. axb4 Rxb4
(54... Nxh5 {does not improve anything} 55. gxh5 Rxb4+ 56. Kg3 Rb3+ 57. Kf4 $18
) 55. Nxh6 (55. Rxh6+ $142 {and the rest is a matter of technique} Kg8 56. Nd6
$18) 55... Re4 56. Rf6 Ne8 (56... Ne6 {cannot undo what has already been done}
57. Nf5 Re1 58. Rf7+ Kh8 59. Re7 $18) 57. Rg6 Ng7 58. Kg3 (58. Kg5 $142 {
makes it even easier for White} Re5+ 59. Nf5 Nxf5 60. gxf5 Rb5 $18) 58... Rd4
$4 {sad, but how else could Black save the game?} (58... Re5 $142 59. Kf3 Nxh5
$16) 59. Rf6 (59. Rxg7+ $142 {might be the shorter path} Kxh6 60. Rg6+ Kh7 $18)
59... Ne8 60. Re6 Ng7 61. Ra6 Re4 (61... Rd7 {a fruitless try to alter the
course of the game} 62. Rf6 Re7 63. Nf5 Nxf5+ 64. Rxf5 $18) 62. Kf3 (62. Nf7
$142 {finishes off the opponent} Re3+ 63. Kf4 $18) 62... Re1 63. Kf2 (63. Kf4
$142 {and White can already relax} Ne6+ 64. Kf5 Nd4+ 65. Kg5 Nf3+ 66. Kf4 $18)
63... Re4 $4 {but even a better move would not have saved the game} (63... Rh1
$18) 64. Kf3 (64. Kg3 $142 {and the result of the game is clear: White will win
} Re3+ 65. Kf4 Re1 $18) 64... Re1 65. Kf2 {Twofold repetition} Re5 $4 {gives
away a clear win} (65... Re4 66. Kg3 Re7 67. Kf4 $18) 66. Kg3 (66. Nf7 {
seems even better} Rb5 67. h6 Nh5 $18) 66... Re3+ $4 {throws away a nice
position} (66... Re4 67. Nf7 Re3+ 68. Kf4 Re8 69. Ng5+ Kh8 70. Rf6 Kg8 71. h6
Kh8 72. Kg3 Re3+ 73. Kh4 Re8 74. Rg6 Re7 75. hxg7+ Rxg7 76. Rxg7 Kxg7 77. Nf3
Kf7 78. g5 Ke6 79. Kg4 Ke7 80. Kf5 Kd6 81. g6 Kc7 82. g7 Kc6 83. g8=Q Kb6 84.
Ke5 Ka7 85. Qb3 Ka8 86. Kd6 Ka7 87. Kc6 Ka8 88. Qb7#) 67. Kf4 $18 Re1 68. Kg5
Re5+ (68... Ne6+ {doesn't improve anything} 69. Kf6 Nc7 70. Rc6 Nd5+ 71. Kf7
Re7+ 72. Kf8 $18) 69. Kf6 Rb5 70. Kf7 (70. Nf7 $142 {it becomes clear that
White will call all the shots} Rb4 71. Kg5 $18) 70... Rb7+ $16 71. Kf8 Rb8+ 72.
Ke7 Rb7+ 73. Kd8 Rb8+ 74. Kc7 Re8 75. Kd7 Re4 76. Rg6 Ne8 $4 {terrible, but
the game is lost in any case} (76... Nxh5 77. gxh5 Rh4 78. Nf5 Rxh5 79. Rf6 $16
) 77. Nf7 (77. Ng8 Kh8 78. g5 Re5 79. Ne7 Rxe7+ 80. Kxe7 Ng7 81. Kf7 Nf5 82.
Rf6 Kh7 83. Rxf5 Kh8 84. Rf6 Kh7 85. Rh6#) 77... Ng7 $4 {causes further
problems for White} (77... Rxg4 $142 78. Ng5+ Rxg5 79. Rxg5 Kh6 $16) 78. Ng5+ (
78. Ng5+ Kg8 79. Nxe4 Kf7 80. Ng5+ Kf8 81. Rf6+ Kg8 82. h6 Ne8 83. Kxe8 Kh8 84.
Rf8#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "3.6"]
[White "SATO, Yasuji"]
[Black "KOYAHATA, Taku"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1614"]
[BlackElo "1391"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "110"]
[SourceDate "2018.03.25"]

{B50: Sicilian: 2...d6, Miscellaneous} 1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 4. c3 Nf6
5. d4 Nxe4 (5... cxd4 6. cxd4 Nxe4 7. d5 Qa5+ (7... Ne5 8. Nxe5 dxe5 9. Qe2 Nd6
10. Bb3 f6 11. f4 e4 12. Nc3 f5 13. Be3 g6 14. Bd4 Rg8 15. O-O-O Bg7 16. Be5
Bd7 17. g4 Qb6 18. h4 O-O-O 19. h5 g5 20. Kb1 Kb8 21. gxf5 Bxf5 22. Na4 {
Tleptsok,R (2204)-Georgiadis,N (2468) Dubai 2015 0-1 (33)}) 8. Bd2 Nxd2 9.
Nbxd2 Ne5 10. Nxe5 dxe5 11. Qe2 Bd7 12. O-O Rc8 13. Rac1 g6 14. Qxe5 Rg8 15.
Ne4 Bg7 16. Nd6+ Kf8 17. Qf4 Bf6 18. Nxc8 Bxc8 19. d6 Kg7 20. dxe7 {Cicak,S 
(2530)-Zhigalko,A (2532) Warsaw 2006 1-0 (51)}) 6. O-O cxd4 7. Nxd4 $146 (7.
Re1 d5 8. Bb3 Nc5 9. Bf4 Bg4 10. h3 Bxf3 11. Qxf3 Nxb3 12. axb3 g6 13. Na3 Bg7
14. Nb5 O-O 15. cxd4 a6 16. Nc3 Nxd4 17. Qd3 Nxb3 18. Rad1 e6 19. Ne4 Qb6 20.
Ng5 Nc5 21. Qe3 Nd7 {Tkachenko,V (2231)-Lukjanenko,A (2378) Voronezh 2008 0-1})
7... g6 {Prevents intrusion on f5} (7... Nf6 $5 $15 {should be investigated
more closely}) 8. Re1 $11 {White threatens to win material: Re1xe4} Nf6 {
White has an active position} 9. Bb5 {White threatens to win material: Bb5xc6}
(9. Nb5 e6 10. Bf4 Ne5 $14) 9... Bd7 $11 {White has an active position} 10. Nd2
(10. Bxc6 $142 bxc6 11. Qf3 $11) 10... Qb6 $4 {releasing the pressure on the
opponent} (10... Nxd4 11. Bxd7+ Qxd7 12. cxd4 $17) 11. N2f3 $4 {letting the
wind out of his own sails} (11. Nc4 $142 {and White is on the road to success}
Qc7 12. Nxc6 $18) 11... Bg7 $15 12. Bf4 (12. Nxc6 Bxc6 13. Bxc6+ Qxc6 $15)
12... O-O $17 13. Bxc6 Bxc6 14. Rxe7 $2 (14. Nxc6 bxc6 15. Qc2 $17) 14... Bxf3
$4 {Black loses the upper hand} (14... Nd5 $5 15. Nxc6 Qxc6 $19) 15. Nxf3 (15.
Qxf3 $142 $5 {has some apparent merit} Qxb2 16. Rd1 Qxa2 17. Rxb7 $15) 15...
Qxb2 $17 16. Qe1 $2 (16. Re2 $142 $5 Qxc3 17. Rc1 $17) 16... Nd5 $19 17. Re2 $4
{terrible, but what else could White do to save the game?} (17. Rb1 Qxa2 18.
Re2 $19) 17... Qxc3 18. Bd2 (18. Qxc3 {doesn't change the outcome of the game}
Bxc3 19. Rb1 Nxf4 20. Rc2 $19) 18... Qc8 (18... Qxa1 $142 {it becomes clear
that Black will call all the shots} 19. Qxa1 Bxa1 $19) 19. Rc1 Qd7 20. Rc2 Rfe8
21. Bg5 (21. h3 b5 $19) 21... Rxe2 (21... Nc3 22. Re3 Rac8 23. Rxe8+ Rxe8 24.
Be3 $19) 22. Rxe2 b6 23. Qd2 Nf6 24. Bh6 (24. h3 Rc8 $19) 24... Re8 25. Bxg7
Kxg7 26. Rxe8 Nxe8 27. Qd4+ Nf6 28. g4 $4 {leading to a quick end} (28. h3 $19)
28... Qxg4+ 29. Qxg4 Nxg4 30. Nd4 Kf6 31. Nc6 (31. f3 {doesn't do any good} Ne5
$19) 31... a6 32. Nb4 Kf5 33. Nxa6 d5 34. Nb4 (34. Kg2 {does not save the day}
Ne5 35. Nc7 d4 $19) 34... d4 35. h3 (35. f3 {does not help much} Ne5 36. Kf2 g5
$19) 35... Ne5 36. Nd5 d3 37. Kf1 b5 38. Ke1 (38. Nc7 $19 {a fruitless try to
alter the course of the game}) 38... Kg5 (38... Nf3+ {keeps an even firmer grip
} 39. Kd1 h5 40. Nc7 $19) 39. Kd2 $4 {what a pity, victory was in sight} (39.
f4+ $142 {would be a reprieve} Kh4 40. fxe5 Kxh3 41. Kd2 $11) 39... Kh4 $19 40.
Nf4 (40. f4 {is one last hope} Nd7 41. Kxd3 Kxh3 42. Ke2 $19) 40... g5 41. Nxd3
(41. Nd5 {praying for a miracle} Kxh3 42. Nf6 $19) 41... Nxd3 42. Kxd3 Kxh3 43.
Kc3 Kg4 44. Kb4 h5 45. Kxb5 (45. Kc5 {does not improve anything} h4 46. a3 h3
47. Kd4 Kf3 48. Ke5 Kxf2 49. Kd5 g4 50. Kd4 g3 51. Kc5 g2 52. Kc6 h2 53. Kxb5
h1=Q 54. a4 g1=Q 55. Kc5 Ke2+ 56. Kb5 Qd5+ 57. Ka6 Qgc5 58. a5 Qdc6#) 45... h4
46. a4 h3 47. a5 h2 48. f3+ (48. Kc4 {cannot change destiny} h1=Q 49. Kd4 Qc6
50. a6 Qxa6 51. Kc3 Kf3 52. Kb2 Qc4 53. Ka3 Ke4 54. Kb2 Kd3 55. f3 Qc2+ 56. Ka3
Kc4 57. f4 Qb3#) 48... Kxf3 49. a6 (49. Kc6 {does not solve anything} h1=Q 50.
Kb5 Qh6 51. a6 Kf4 52. a7 Qh8 53. Ka6 Qa8 54. Ka5 Qxa7+ 55. Kb5 Ke5 56. Kc4
Qd4+ 57. Kb3 Kd5 58. Kc2 Kc4 59. Kb1 Qd2 60. Ka1 Kc3 61. Kb1 Qb2#) 49... h1=Q
50. a7 (50. Kb6 {cannot undo what has already been done} Ke2 51. Kc5 Qh3 52. a7
Qc3+ 53. Kb6 Qc8 54. a8=N Qxa8 55. Kc7 Qe8 56. Kd6 Kd2 57. Kc7 Kd3 58. Kb6 Qe7
59. Kb5 Qd6 60. Ka4 Kc4 61. Ka5 Qh6 62. Ka4 Qa6#) 50... Ke3 51. Kb6 Qd5 (51...
Qa8 52. Kc7 g4 53. Kd7 g3 54. Kc7 g2 55. Kd6 g1=Q 56. Kc7 Qa1 57. Kb6 Qe5 58.
Ka6 Qc6#) 52. Kc7 (52. a8=N {doesn't get the cat off the tree} Qxa8 53. Kc5 Qb7
54. Kd6 Kd3 55. Ke5 Qa6 56. Kf5 Qe6+ 57. Kxg5 Ke3 58. Kh4 Kf4 59. Kh5 Qh3#)
52... Qa8 53. Kb6 (53. Kd7 {cannot change what is in store for White} Qxa7+ 54.
Kc6 Kd3 55. Kd6 Kc4 56. Kc6 Qe7 57. Kb6 Qd7 58. Ka6 Kc5 59. Ka5 Qb5#) 53... Kd4
54. Ka6 (54. Kc7 {doesn't get the bull off the ice} g4 55. Kb6 g3 56. Kc7 g2
57. Kb6 g1=Q 58. Kb5 Qb7+ 59. Ka4 Qa1#) 54... Kc5 55. Ka5 Qxa7# 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "3.7"]
[White "TAKEUCHI, Hiroshi"]
[Black "SHIBUYA, Kaisei"]
[Result "0-1"]
[ECO "D26"]
[BlackElo "1582"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "80"]
[SourceDate "2018.03.25"]

{D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines} 1. d4 d5 2. c4 dxc4
3. e3 Nf6 4. Bxc4 e6 5. Nf3 Nc6 (5... Nbd7 6. O-O a6 7. Qe2 b5 8. Bd3 Bb7 9. a4
c5 10. axb5 axb5 11. Rxa8 Qxa8 12. Bxb5 Bxf3 13. Qxf3 Qxf3 14. gxf3 cxd4 15.
Rd1 Bc5 16. exd4 Bb4 17. Nc3 O-O 18. d5 Nb6 19. dxe6 fxe6 20. Ne4 {Cordova,E 
(2560)-Certic,B (2414) Fermo 2010 1-0 (62)}) (5... b6 6. Nc3 Bb7 7. O-O Nbd7 8.
Qe2 Bb4 9. Ba6 Bxa6 10. Qxa6 O-O 11. Rd1 Qc8 12. Qd3 Qb7 13. Bd2 Rfd8 14. a3
Bxc3 15. Bxc3 Nc5 16. Qe2 Nce4 17. Rac1 Nd5 18. Be1 c5 19. Qc2 Ndf6 20. dxc5 {
Tsarukian,E (2180)-Timerkhanov,A (2302) Kirov 2014 0-1 (38)}) 6. O-O a6 $146 {
Secures b5} (6... Bd6 7. Nbd2 O-O 8. Qe2 a6 9. e4 e5 10. d5 Ne7 11. b3 Ng6 12.
h3 Rb8 13. Bb2 b5 14. Bd3 Re8 15. Rac1 Nf4 16. Qe3 Bxh3 17. gxh3 Nxh3+ 18. Kh1
Ng4 19. Qe1 Qf6 20. Rg1 Ngxf2+ 21. Kh2 {Olsen,K (2200)-Bang,T (2275) Hillerod
1980 0-1 (31)}) 7. Nc3 b5 8. Bd3 Bb7 9. Qc2 (9. a3 $142 $5 $14 {and White has
air to breath}) 9... Nb4 $15 10. Qe2 Nxd3 11. Qxd3 c5 12. Rd1 Be7 13. Ne5 Nd7
14. Nxd7 Qxd7 15. dxc5 Qc6 (15... Qxd3 16. Rxd3 Bxc5 17. a3 $15) 16. f3 Rd8 {
Black threatens to win material: Rd8xd3} 17. Qe2 Rxd1+ 18. Qxd1 (18. Nxd1 Bxc5
19. Bd2 O-O $15) 18... Qxc5 $17 19. Qe2 O-O 20. Bd2 Bg5 (20... b4 21. Nd1 $17)
21. Rc1 $15 Qb6 22. Rf1 (22. Qe1 Rd8 23. Nd1 Rd3 $15) 22... Rd8 $17 23. f4 (23.
Bc1 Rc8 24. Qd2 b4 $17) 23... Bh6 24. Kh1 (24. a3 g6 $17) 24... g6 (24... b4
25. Nb1 $19) 25. h3 (25. a3 a5 26. b4 axb4 27. axb4 Qd6 $17) 25... Bg7 (25...
b4 26. Nd1 a5 27. Rf2 $19) 26. Kh2 (26. a3 a5 27. Rf2 b4 28. axb4 axb4 $19)
26... Qc6 (26... b4 27. Nd1 $19) 27. Rc1 (27. Rd1 b4 28. Be1 Rc8 $19) 27...
Qxg2+ $1 {the logical end} 28. Qxg2 Bxg2 29. Kxg2 Rxd2+ 30. Kf3 Rxb2 (30... Rh2
$142 $5 $19) 31. Ne4 $17 Rxa2 32. Rc8+ Bf8 33. Nf6+ Kg7 34. Ne8+ Kh6 35. Nf6 $2
(35. Rc7 $142 Ba3 36. Rxf7 $17) 35... Bg7 (35... Bb4 {and Black can already
relax} 36. Rc7 Kg7 37. Ne8+ Kf8 38. Nf6 $19) 36. Ng4+ Kh5 37. Kg3 (37. Rc7 g5
38. fxg5 $19) 37... f5 (37... g5 $142 {ends the debate} 38. fxg5 b4 $19) 38.
Rc7 $17 fxg4 $4 {spoils everything} (38... g5 $142 39. Rxg7 gxf4+ 40. Kxf4 fxg4
41. hxg4+ Kh6 $17) 39. Rxg7 (39. hxg4+ $142 {secures the win} Kh6 40. g5+ Kh5
41. Rxg7 $18) 39... Kh6 $19 40. Rf7 (40. Rb7 {desperation} gxh3 41. Kxh3 $19)
40... gxh3 (40... gxh3 41. Kxh3 a5 $19) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "3.8"]
[White "MATSUMOTO, Kenshin"]
[Black "ITO, Katsuhide"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "1471"]
[BlackElo "1282"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "61"]
[SourceDate "2018.03.25"]

{D08: Albin Counter Gambit} 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. e3 (5.
Bd2 Bg4 6. Bg5 Qd7 7. Nbd2 h6 8. Bh4 Bxf3 9. Nxf3 Bb4+ 10. Nd2 Nxe5 11. Qb3 Qe6
12. Qxb4 Nd3+ {0-1 (12) Sushkov,A (2333)-Afromeev,V (2542) Tula 2003}) 5...
Bb4+ 6. Bd2 Bg4 $146 (6... dxe3 7. fxe3 Bg4 8. Bxb4 (8. Nc3 Nge7 9. a3 Bxc3 10.
Bxc3 O-O 11. Qxd8 Raxd8 12. Be2 Ng6 13. Kf2 Rfe8 14. Rad1 Rxd1 15. Rxd1 Kf8 16.
h3 Bc8 17. Nd4 Ncxe5 18. Bb4+ Kg8 19. Nb5 Bd7 20. Nxc7 Rc8 21. Nd5 Ba4 22. Rd2
h6 {Schischke,R (2290)-Kalka,A (2305) Germany 1997 1/2-1/2 (45)}) 8... Qxd1+ 9.
Kxd1 Nxb4 10. a3 (10. h3 O-O-O+ 11. Nbd2 Bh5 12. g4 Bg6 13. Nd4 Ne7 14. Bg2 c5
15. Nb5 Nc2 16. Ke2 Nxa1 17. Rxa1 Nc6 18. Bxc6 bxc6 19. Nd6+ Kc7 20. Nb3 f6 21.
Nxc5 fxe5 22. Nf5 Bf7 23. b3 Kb6 24. Na4+ Ka5 {Galliamova,A (2478)
-Lomineishvili,M (2364) Kutansi 2015 1-0 (64)}) 10... Nc6 11. Nbd2 Bxf3+ 12.
gxf3 Nxe5 {1/2-1/2 (12) Szaz,F (2201)-Andi,P (2189) Hungary 2008}) (6... dxe3
$5 {must be considered} 7. fxe3 Nh6 $11) 7. Bxb4 $16 Bxf3 8. gxf3 dxe3 $4 {
strolling merrily down the path to disaster.} (8... Nxb4 $142 9. Qb3 a5 $14) 9.
Qxd8+ $18 Rxd8 10. Bc3 exf2+ 11. Kxf2 Nge7 12. Na3 a6 13. Bg2 (13. Nc2 {
seems even better} Ng6 14. Kg3 Nf8 $18) 13... Ng6 14. Rhe1 Nf4 15. Bf1 O-O (
15... Ke7 {doesn't change anything anymore} 16. Nc2 $18) 16. Nc2 Rfe8 17. Rad1
b5 (17... h6 $18 {is still a small chance}) 18. cxb5 axb5 19. Bxb5 Re6 (19...
Ne7 {is not the saving move} 20. Bxe8 Rxe8 21. Ne3 $18) 20. Bxc6 Rxd1 (20...
Nd3+ {is no salvation} 21. Ke3 Rxc6 22. a4 $18) 21. Rxd1 h6 22. Be4 (22. Rd8+
$142 {might be the shorter path} Kh7 23. Be4+ g6 $18) 22... Ng6 23. Rd8+ Kh7
24. Rd7 (24. f4 Rb6 25. f5 Nxe5 26. Bxe5 f6 27. Nd4 Rxb2+ 28. Ne2 Rd2 29. Rxd2
h5 30. h4 fxe5 31. Rd8 c5 32. f6+ g6 33. Rc8 c4 34. Nc3 Kh6 35. Rh8#) 24... Kg8
25. Bxg6 Rxg6 26. Rxc7 Ra6 27. Nb4 Ra8 28. e6 $1 {Deflection: f7} Rf8 (28...
fxe6 29. Re7 {Decoy Double attack} (29. Bxg7 {Discovered attack}) (29. Rxg7+ {
Deflection Pinning})) 29. e7 Re8 30. Rd7 Kh7 31. Nc6 (31. Nc6 h5 32. Rd8 f6 33.
Rxe8 h4 34. Rh8+ Kxh8 35. e8=Q+ Kh7 36. Ne7 g5 37. Qg6+ Kh8 38. Bxf6#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.24"]
[Round "3.9"]
[White "IKEDA, Naoto"]
[Black "WILLIAMS, Richard"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "1317"]
[BlackElo "1209"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "103"]
[SourceDate "2018.03.25"]

{D60: Queen's Gambit Declined: Classical: Unusual White 7th moves} 1. d4 Nf6 2.
c4 e6 3. Nc3 c6 4. Nf3 d5 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Bd3 Nbd7 9. O-O g6
$146 {Consolidates f5} (9... a6 10. cxd5 cxd5 (10... exd5 11. Qc2 Re8 12. Nd2
Nh5 13. Bxe7 Qxe7 14. Rab1 Qd6 15. b4 b5 16. Be2 Nhf6 17. e4 dxe4 18. Ndxe4
Nxe4 19. Nxe4 Qxd4 20. Bf3 Ne5 21. Rfd1 Qb6 22. Nd6 Nxf3+ 23. gxf3 Re6 24. Kh1
Rg6 25. Qb2 {Gatterer,F (2267)-Fuchs,G (2308) Austria 2012 0-1 (44)}) 11. Qe2
b5 12. Rac1 Bb7 13. Rc2 Ne4 14. Bxe7 Qxe7 15. Rfc1 Ndf6 16. h3 Rfc8 {1/2-1/2 
(16) Lengyel,L (2445)-Knezevic,M (2490) Sarajevo 1980}) (9... b6 10. cxd5 exd5
11. Bg3 (11. Rc1 Bb7 12. Qe2 Ne4 13. Bg3 Nxg3 14. hxg3 a6 15. Bb1 Re8 16. Ne5
Bd6 17. f4 Bxe5 18. fxe5 Nf8 19. Qh5 Re7 20. Rf4 Bc8 21. Rcf1 Be6 22. Rh4 Nd7
23. Ne2 Re8 24. Nf4 Qg5 25. Qf3 Qe7 {Dautov,R (2380)-Goehler,A (2220) Berlin
East 1986 1-0 (46)}) 11... Re8 12. Ne5 Nxe5 13. dxe5 Nd7 14. f4 Nf8 15. Ne2 c5
16. Nc3 Bb7 17. Qe2 a6 18. Rad1 Bh4 19. Be4 Bxg3 20. hxg3 dxe4 21. Rxd8 Raxd8
22. Rd1 Ne6 23. Rd6 Rxd6 24. exd6 {Khalifman,A (2628)-Barua,D (2550) Las Vegas
1999 1-0 (32)}) (9... dxc4 10. Bxc4 b5 11. Be2 $11) 10. Rc1 Ne8 11. Bxe7 {
White forks: f8+d8} Qxe7 12. Re1 f5 13. a3 Nef6 14. Nd2 Qh7 15. cxd5 exd5 16.
f3 {Covers e4+g4} Re8 17. e4 fxe4 (17... Nb6 $5 $16) 18. fxe4 dxe4 19. Ncxe4
Rf8 20. Qb3+ Kh8 (20... Nd5 21. Nf3 $16) 21. Nd6 $18 Nb6 22. Rf1 {White has a
very active position} (22. Nf3 Nfd5 $18) 22... Nbd5 $2 {A valuable piece} (
22... Bg4 23. Bc2 $14) 23. h4 (23. N2c4 Nd7 $18) 23... h5 $2 (23... Qc7 24.
N2c4 Kg7 $16) 24. N2e4 $4 {White has let it slip away} (24. N2c4 Be6 25. Rce1
Bg8 $18) 24... Qh6 $4 (24... Qe7 $142 $11 {and Black can hope to live}) 25. Ng5
$18 Qg7 26. Qc2 (26. Nc4 $142 Bf5 27. Bxf5 gxf5 28. Ne6 $18) 26... Bf5 $4 {
cause more grief} (26... Ne3 $142 27. Qc5 Bg4 $16) 27. Bxf5 $18 Nh7 (27... gxf5
{hardly improves anything} 28. Qxf5 Qc7 $18) 28. Rce1 (28. Ngf7+ $142 {and
White can celebrate victory} Rxf7 29. Nxf7+ Qxf7 30. Bxg6 $18) 28... Qxd4+ (
28... Nxg5 29. hxg5 Qxd4+ 30. Qf2 Qxf2+ 31. Rxf2 gxf5 $16) 29. Kh1 (29. Qf2
Qxf2+ 30. Rxf2 Nxg5 31. Bxg6 Rxf2 32. Kxf2 Rf8+ 33. Kg3 $16) 29... Qxh4+ $4 (
29... Nxg5 $142 30. hxg5 Ne3 $11) 30. Kg1 $4 {throws away the game} (30. Bh3
$142 {White has the better game} Qxg5 31. Nf7+ Rxf7 32. Rxf7 $18) 30... Qd4+ $4
{with this move Black loses his initiative} (30... Nxg5 31. Be4 Rxf1+ 32. Rxf1
Nxe4 33. Qxe4 Qxe4 34. Nxe4 $19) 31. Kh1 $2 (31. Qf2 $142 Qxf2+ 32. Rxf2 Nxg5
33. Bxg6 Rxf2 34. Kxf2 Rf8+ 35. Bf5 $17) 31... Ne3 $4 {instead of simply
winning the game} (31... Nxg5 $142 {and Black has reached his goal} 32. Qd3
Qh4+ 33. Bh3 Kh7 $19) 32. Ngf7+ $18 Kg7 (32... Rxf7 {does not win a prize} 33.
Nxf7+ Kg7 34. Rxe3 Qxe3 35. Bxg6 Nf6 $18) 33. Qf2 (33. Rxe3 $142 {makes it
even easier for White} Rxf7 34. Rd3 $18) 33... Nxf5 $4 {but even a better move
would not have saved the game} (33... Rxf7 $142 34. Nxf7 Nxf5 35. Qxd4+ Nxd4
$18) 34. Nxf5+ gxf5 35. Qxd4+ Nf6 36. Rxf5 Rxf7 37. Rxf6 $1 {Deflection: e7}
Rxf6 (37... Rxf6 38. Re7+ {Mate attack Decoy Deflection}) 38. Re7+ Kg6 39. Qe4+
Rf5 40. Rxb7 (40. Re6+ Kg5 41. Qe3+ Rf4 42. Qe5+ Kg4 43. Rg6+ Kh4 44. Qg5#)
40... Raf8 $18 41. Qe6+ R5f6 42. Qe3 R8f7 43. Rxf7 (43. Qxa7 h4 44. Rxf7 Rxf7
$18) 43... Kxf7 (43... Rxf7 {is the last straw} 44. Kh2 Kf5 $18) 44. Qxa7+ Kg6
45. Qe3 Rf5 46. a4 Rf6 47. Qe4+ Kf7 48. Qh7+ Ke6 49. Qxh5 Rf1+ 50. Kh2 Rf5 51.
Qxf5+ $1 {a brilliant end} Kxf5 52. a5 (52. a5 Kg6 53. a6 Kh5 54. a7 Kg5 55.
a8=Q Kg6 56. g4 Kf6 57. Qe8 c5 58. Kg3 c4 59. Kh4 c3 60. bxc3 Kg7 61. Kg5 Kh7
62. Kf6 Kh6 63. Qh8#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "4.1"]
[White "YOSHII, Yukihiko"]
[Black "SUGIMOTO, Koichi"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1783"]
[BlackElo "1960"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "138"]
[SourceDate "2018.03.25"]

{D13: Slav Defence: Exchange variation without ...Bf5} 1. c4 c6 2. Nc3 d5 3.
cxd5 cxd5 4. d4 Nf6 5. Nf3 Nc6 6. h3 a6 (6... h6 7. Bf4 Bf5 8. e3 e6 9. Bd3
Bxd3 10. Qxd3 Bd6 11. Bxd6 Qxd6 12. O-O O-O 13. Rad1 Rac8 14. Nd2 Nd7 15. e4 a6
16. exd5 exd5 17. Rfe1 Rfe8 18. Nf1 Nf6 19. Ne3 g6 20. a3 Re7 21. Re2 {
Dimakiling,O (2373)-Laylo,D (2508) Manila 2014 1/2-1/2 (31)}) 7. Bf4 Bf5 8. a3
$146 {Controls b4} (8. e3 e6 9. Bd3 Bxd3 10. Qxd3 Bb4 11. O-O Bxc3 12. Qxc3 O-O
13. Nd2 Rc8 14. Rfc1 Qd7 15. Qa3 Na7 16. Nb3 Rxc1+ 17. Rxc1 Rc8 18. Rxc8+ Qxc8
19. Qc5 Nc6 20. Na5 Ne4 21. Qc2 Qd7 22. Nxc6 Qxc6 {Lau,D (2235)-Metz,H (2270)
Niedersachsen 1993 0-1 (49)}) 8... e6 9. e3 Bd6 10. Bg5 h6 11. Bxf6 {White
forks: g7+d8} Qxf6 {Black has the pair of bishops} 12. Bd3 O-O 13. Bxf5 Qxf5
14. O-O Rac8 15. Rc1 Na5 16. Nd2 b5 17. b4 {White threatens to win material:
b4xa5} Nc4 18. Ndb1 (18. Ncb1 Nb2 19. Qe2 Qd3 20. Qxd3 Nxd3 $15) 18... Rc6 $17
19. Rc2 Rfc8 20. Qc1 Nb6 21. Qd2 Kh8 22. Rfc1 Nc4 (22... e5 23. Rd1 $17) 23.
Qe1 Qd3 24. Qe2 Qg6 25. Kh1 f5 26. g3 Rf8 27. Kh2 (27. Nd1 e5 28. dxe5 Bxe5 $15
) 27... Rcc8 (27... h5 28. Qd3 $17) 28. f4 Qe8 29. Nd1 (29. Ra2 Rf7 $17) 29...
Qd7 (29... a5 $5 $17) 30. Nf2 Qb7 31. Nd3 Qb6 32. Nc5 Bxc5 (32... Rfe8 33. Nd2
$11) 33. bxc5 Qc6 34. Rc3 Rb8 35. Rb3 Qc7 36. Nd2 {[%cal Yf3e5,Yd2f3,Yb1d2]
The idea is Nb1-d2-f3-e5} Na5 37. Rb2 Kh7 38. Nf3 Nc4 {Here comes the
goal-getter} 39. Rb3 Qa5 {[%cal Ra5a3,Rc4a3,Gb3a3] Exerts pressure on the
isolated pawn} 40. Ne5 {A beautiful square!} Qa4 {Black threatens to win
material: Qa4xb3} 41. Qd3 Ra8 42. Rcb1 Qa5 43. g4 Qc7 (43... Nxe5 44. fxe5 Kh8
45. gxf5 Rxf5 46. R3b2 $11) 44. gxf5 Rxf5 45. Rg1 (45. Nf3 Na5 46. Nh4 Nxb3 47.
Rxb3 g6 $11) 45... Raf8 (45... Nxe5 46. fxe5 Kg8 47. Rc3 $11) 46. Ng6 $14 {
White threatens to win material: Ng6xf8} R8f6 {Black threatens to win material:
Rf6xg6} (46... R8f7 47. Rg2 $14) 47. Nh4 $16 Kh8 48. Nxf5 Rxf5 (48... exf5 $5
49. Rg3 Kh7 $16) 49. Rg3 g5 (49... Rf8 50. Rb4 $18) 50. Rb1 $18 gxf4 $2 (50...
Qa5 51. Rc1 Qc7 $18) 51. exf4 Rxf4 (51... Qxf4 {does not save the day} 52. Rbg1
$18) 52. Rbg1 (52. Qg6 $142 {keeps an even firmer grip} Rf2+ 53. Kg1 Qxg3+ 54.
Qxg3 Rf7 55. Qb8+ Kh7 $18) 52... Rf2+ (52... Rf6 53. Kh1 Rf8 54. Qg6 Qh7 55.
Qh5 Qe4+ 56. R1g2 Qb1+ 57. Kh2 Qh7 58. Rf3 Qc7+ 59. Kh1 Qg7 60. Rxg7 Kxg7 61.
Qg4+ Kh7 62. Rxf8 h5 63. Qg8+ Kh6 64. Rf6#) 53. R1g2 (53. Kh1 Qf7 54. Rg8+ Qxg8
55. Rxg8+ Kxg8 56. Qg3+ Kf8 57. Qxf2+ Ke7 58. Qh4+ Kd7 59. Qf6 Na5 60. Qf7+ Kd8
61. Qxe6 Kc7 62. Qb6+ Kd7 63. Qxa5 b4 64. axb4 Ke6 65. Qxa6+ Kf5 66. c6 h5 67.
c7 Kg5 68. c8=Q Kf4 69. Qf6+ Ke4 70. Qc2+ Ke3 71. Qff2#) 53... Qf4 (53... Rf6 {
is not the saving move} 54. Kh1 Qf7 55. Rg6 Rf1+ 56. Kh2 $18) 54. Rxf2 Qxf2+
55. Rg2 Qf4+ (55... Qf7 56. Kg1 Na5 57. Qd2 Qf6 58. Qxa5 Qxd4+ 59. Kh1 Qa1+ 60.
Rg1 Qf6 61. Qd2 Kh7 62. Qd3+ Kh8 63. c6 Qg7 64. c7 Qxg1+ 65. Kxg1 Kg7 66. c8=Q
a5 67. Qxe6 d4 68. Qxd4+ Kh7 69. Qf7#) 56. Qg3 Qf7 (56... Qxg3+ {is not much
help} 57. Rxg3 Na5 58. Rg6 $18) 57. Qh4 (57. Kg1 $142 {and the result of the
game is clear: White will win} Kh7 58. c6 h5 $18) 57... Kh7 58. Qg3 (58. Rf2
$142 {secures victory} Qc7+ 59. Kh1 $18) 58... Na5 $4 {weakening the position}
(58... Kh8 59. Kg1 Na5 $18) 59. Qd3+ Kh8 60. Qe3 (60. Kg1 $142 $5 {and White
can already relax} Nc6 $18) 60... Kh7 61. Qd2 {White threatens to win material:
Qd2xa5} (61. Qe2 $142 {and White takes home the point} Nc6 62. Qd3+ Kh8 63. Rg4
$18) 61... Nc6 $11 {The knight blocks c5} 62. Qd3+ Kh8 63. Qe3 Kh7 64. Qd3+ {
Twofold repetition} (64. Rf2 $142 {and the rest is a matter of technique} Qe7
$18) 64... Kh8 65. Kg1 Qf6 (65... Qf4 66. Rg4 Qc1+ 67. Kh2 h5 $18) 66. Rg6 (66.
Qg3 $5 {might be the shorter path} Qf8 67. Qd6 Qxd6 68. cxd6 Kh7 $18) 66...
Qxd4+ 67. Qxd4+ Nxd4 68. Rxh6+ Kg7 69. Rh4 (69. c6 $142 {finishes off the
opponent} Nxc6 70. Rxe6 $18) 69... Nf3+ $19 (69... Nf3+ 70. Kf1 Nxh4 $19) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "4.2"]
[White "DRAKAKIS, Athanasios"]
[Black "KIMURA, Ryota"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1827"]
[BlackElo "1625"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "52"]
[SourceDate "2018.03.25"]

{D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 1. d4
Nf6 2. Nf3 d5 3. Bf4 Bf5 4. Nbd2 Nbd7 5. e3 e6 6. Be2 (6. c4 dxc4 7. Bxc4 Bd6
8. Bg3 Ne4 9. Nxe4 Bxe4 10. O-O O-O 11. Rc1 Rc8 12. Bd3 Bxd3 13. Qxd3 Bxg3 14.
hxg3 c6 15. Qa3 a6 16. Rfd1 Re8 17. Nd2 Qe7 18. Qxe7 Rxe7 19. Nc4 Nf6 20. a3
Ne4 {Roeder,M (2398)-Sprenger,J (2515) Germany 2012 1-0}) 6... Bd6 $146 (6...
h6 7. O-O Be7 8. c4 a5 9. Rc1 c6 10. h3 O-O 11. Ne5 Qb6 12. Nd3 Rfc8 13. c5 Qa7
14. a3 a4 15. Nb4 Ne4 16. Nb1 e5 17. Bh2 exd4 18. exd4 Ng5 19. Nc3 Ne6 20. g4
Bh7 21. Bd3 {Gemy,J (2332)-Aizpurua,P (2172) Tromso 2014 0-1 (58)}) 7. O-O O-O
8. Bxd6 cxd6 {Black has new doubled pawns: d5+d6} 9. Nh4 Bg6 10. Nxg6 fxg6 11.
c4 dxc4 12. Nxc4 d5 {Black threatens to win material: d5xc4.} 13. Nd2 Rc8 14.
Rc1 Qa5 15. a3 Rc7 16. Rxc7 Qxc7 17. Nf3 Ne4 18. Bd3 Ndf6 19. Ne5 {A classical
outpost} Nd6 20. h3 {Secures g4} Rc8 21. Qe2 Nfe4 22. Bxe4 Nxe4 23. Qg4 {
White threatens to win material: Qg4xe6} Qe7 24. Qe2 Qc7 25. Qg4 Qe7 {Twofold
repetition} 26. Qe2 Qc7 1/2-1/2

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "4.3"]
[White "SHIBUYA, Kaisei"]
[Black "MANABE, Hiroaki"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1582"]
[BlackElo "1723"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "99"]
[SourceDate "2018.03.25"]

{C02: French: Advance Variation} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3
Nge7 6. Bg5 (6. dxc5 Ng6 7. Be3 Ngxe5 8. Nxe5 Nxe5 9. Nd2 Qc7 10. b4 b6 11.
Bb5+ Bd7 12. cxb6 axb6 13. Bxd7+ Nxd7 14. Qb3 Bd6 15. Nf3 O-O 16. O-O Rfc8 17.
Rfc1 Ne5 18. Nxe5 Bxe5 19. g3 b5 20. a4 bxa4 {Honfi,K (2370)-Moskalenko,V 
(2500) St Ingbert 1989 0-1 (51)}) 6... Qb6 7. Qb3 $146 (7. Bxe7 Bxe7 8. Qd2 Bd7
9. Be2 Rc8 10. O-O cxd4 11. cxd4 O-O 12. Nc3 Na5 13. Rac1 Nc4 14. Bxc4 Rxc4 15.
Ne2 Bb4 16. Qe3 Bb5 17. a3 Be7 18. Nc3 Bd7 19. Qd2 Rfc8 20. b4 a5 21. Na2 axb4
{Bazlov,Y (2163)-Golubkov,A (2302) Vladivostok 2009 0-1 (58)}) 7... Qxb3 8.
axb3 cxd4 9. Bxe7 (9. cxd4 Nf5 10. Ra4 Bd7 $15) 9... Bxe7 $17 10. Nxd4 Nxd4 (
10... Nxe5 11. f4 Nc6 12. Nxc6 bxc6 13. Nd2 $17) 11. cxd4 {Black has the pair
of bishops.} Bd7 12. Nc3 Bb4 {The bishop feels good on b4} (12... f6 13. f4 $17
) 13. Be2 O-O 14. O-O Rfc8 15. Rfc1 a6 {Controls b5} 16. Na4 Bxa4 17. bxa4 {
Opposite coloured bishops appeared} Bd2 {Black threatens to win material:
Bd2xc1} 18. Rd1 {White threatens to win material: Rd1xd2} Rc2 19. b3 (19. Rab1
$5 Bb4 20. Kf1 $15) 19... Rac8 (19... Bc3 20. Bd3 Rb2 21. Rab1 Bxd4 22. Rxb2
Bxb2 23. f4 $17) 20. Bd3 Rb2 21. Rab1 Rxb1 22. Rxb1 Rc1+ (22... Ba5 23. Kf1 Bb6
24. Rd1 $17) 23. Rxc1 $15 {White has a mate threat} Bxc1 24. b4 (24. Kf1 Bb2
$15) 24... Bb2 $17 25. a5 Bc3 26. b5 axb5 27. Bxb5 Bxa5 28. f4 Bb6 29. Kf2
Bxd4+ 30. Kf3 f6 31. exf6 gxf6 32. g4 (32. Bd7 $5 Kf7 33. f5 exf5 34. Bxf5 $17)
32... Kf7 33. h4 e5 34. f5 $2 (34. Bd7 e4+ 35. Ke2 Ke7 $19) 34... Bc5 (34... h6
$142 $5 {seems even better} 35. Bd7 e4+ 36. Kg2 $19) 35. Ba4 Kg7 (35... e4+ $5
36. Kf4 Ke7 37. g5 fxg5+ 38. hxg5 Bd6+ 39. Ke3 $19) 36. Bb3 $17 d4 37. Ke4 Be7
38. Ba2 h5 $1 {Black is still in the lead} 39. gxh5 Kh6 40. Bf7 b5 (40... Bb4
41. Bd5 $17) 41. Kd3 b4 42. Kc4 b3 43. Kxb3 e4 44. Kc2 Bb4 45. Kb3 e3 {He
broke from his leash} 46. Bc4 Bc3 (46... Be1 $5 $17) 47. Be2 $11 Be1 {Black
threatens to win material: Be1xh4} 48. Kc4 {White threatens to win material:
Kc4xd4} Bxh4 49. Kxd4 Bf2 50. Kd5 1/2-1/2

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "4.4"]
[White "AOKI, Yasuhiro"]
[Black "HAKAMADA, Eiji"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1620"]
[BlackElo "1510"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "61"]
[SourceDate "2018.03.25"]

{D30: Queen's Gambit Declined: Systems without Nc3} 1. c4 c5 2. Nf3 e6 3. g3 d5
4. cxd5 exd5 5. Bg2 Nf6 6. d4 Nc6 7. O-O Be7 8. dxc5 Bxc5 9. Qc2 Bb6 10. Nc3
O-O 11. Bg5 Be6 12. Rad1 (12. Na4 h6 13. Nxb6 axb6 14. Bf4 Qe7 (14... Re8 15.
b3 Qd7 16. Rfe1 Bh3 17. Bh1 Re4 18. Bd2 Rae8 19. Bc3 Qe6 20. Qd2 Rxe2 21. Rxe2
Qxe2 22. Bxf6 Qxd2 23. Nxd2 gxf6 24. Bxd5 Rd8 25. Ne4 Kg7 26. Nc3 b5 27. a3 Nd4
28. Rd1 Rc8 29. Rxd4 {Gledura,B (2512)-Lizak,P (2450) Budapest 2015 1/2-1/2 
(46)}) 15. Rfd1 Rfc8 16. a3 Bg4 17. Qd3 Qe6 18. Be3 Na5 19. Nd4 Qd7 20. f3 Be6
21. Nxe6 Qxe6 22. Bd4 Re8 23. Bf1 Nc4 24. Kf2 b5 25. b3 Nxa3 26. Bc5 b4 {
Malaniuk,V (2560)-Palatnik,S (2460) Kherson 1989 1-0 (63)}) 12... h6 13. Bf4
Qe7 14. a3 $146 {Prevents intrusion on b4} (14. Na4 Rfc8 15. Nxb6 axb6 16. a3
Na5 17. Qd3 Nc4 18. Qd4 Qc5 19. Be5 Nxe5 20. Qxe5 Nd7 21. Qf4 Qb5 22. Rd2 Rc4
23. Nd4 Qc5 24. Rfd1 Rc8 25. e4 Nf6 26. Nxe6 fxe6 27. Qe5 Re8 28. exd5 Kh8 {
Jochens,A (2218)-Bach,M (2339) Kiel 2006 0-1 (64)}) 14... Rac8 15. Qb1 {
Black has an active position} Rfd8 16. b4 Nxb4 17. Na4 {Black has a very
active position} Na6 (17... Nc2 $5 {must definitely be considered} 18. Nxb6
axb6 19. Qxb6 Nxa3 $15) 18. Nxb6 $11 axb6 19. Qxb6 {White has the pair of
bishops} Rc6 {Black threatens to win material: Rc6xb6} 20. Qb2 {Black has an
active position} Rdc8 21. Nd4 {White threatens to win material: Nd4xc6} Rc3 {
[%cal Rc3a3,Re7a3,Gb2a3] Attacking the isolated pawn on a3} 22. Nxe6 fxe6 23.
Rb1 e5 24. Rfc1 Rxc1+ 25. Bxc1 {White has a cramped position} Rc7 26. Bd2 e4 {
Black gets more space} (26... Nc5 $142 $5 $14 {is an interesting alternative})
27. Bf4 $16 Rc4 28. Qxb7 Qxa3 $4 {terrible, but the game is lost in any case. .
} (28... Qxb7 $142 29. Rxb7 Nc5 $16) 29. Bh3 $18 Kh8 (29... Nc5 {no good, but
what else?} 30. Qe7 Rb4 $18) 30. Qf7 (30. Qa8+ Kh7 31. Bf5+ g6 32. Rb7+ Rc7 33.
Bxc7 Qc1+ 34. Kg2 Nxc7 35. Qd8 Qc3 36. Rxc7+ Qxc7 37. Qxc7+ Kg8 38. Bxg6 Kh8
39. Qe7 Kg8 40. Qxf6 h5 41. Qf7+ Kh8 42. Qh7#) 30... Qc5 (30... Nh7 31. Qxd5
Qc5 32. Qa8+ Qf8 33. Qxa6 Rb4 $18) 31. Rb7 (31. Rb7 Rc1+ 32. Kg2 Qxf2+ 33. Kxf2
e3+ 34. Bxe3 Nc7 35. Bxh6 Nfe8 36. Bf5 g6 37. Bxg6 Rf1+ 38. Kxf1 d4 39. Qh7#) (
31. Bxh6 Qxf2+ 32. Kxf2 Ng4+ 33. Bxg4 e3+ 34. Kf3 Rxg4 35. Kxg4 gxh6 36. Rb7
Nc7 37. Rb8+ Ne8 38. Rxe8#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "4.5"]
[White "KOYAHATA, Taku"]
[Black "MATSUMOTO, Kenshin"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1391"]
[BlackElo "1471"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "128"]
[SourceDate "2018.03.25"]

{D45: Semi-Slav: 5 e3} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. e3 c6 6. Be2
dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O Nbd7 (9... Bb7 10. e4 O-O (10... c5 11. dxc5
Bxc5 12. e5 Nd5 13. Ne4 Be7 14. Bg5 O-O 15. Bxe7 Qxe7 16. Rc1 Nd7 17. Bb1 Rfc8
18. Rxc8+ Rxc8 19. Nd6 Rc7 20. Qd3 Nf8 21. Qd4 f5 22. Bxf5 exf5 23. Nxb7 Nc3
24. bxc3 Rxb7 25. Qd5+ {Wagner,D (2472)-Mueller,R (2249) Saarbruecken 2013 1-0}
) 11. Qc2 h6 12. e5 Nd5 13. Nxd5 cxd5 14. Bf4 Re8 15. Qd2 Bf8 16. h4 h5 17. Bg5
Be7 18. Rae1 Nc6 19. Qf4 Rc8 20. Re2 Qd7 21. g4 hxg4 22. Qxg4 Bxg5 23. Nxg5 g6
24. Re3 {Karpov,A (2692)-Sanz,J (2183) Madrid 2001 1-0}) 10. a3 $146 {
Consolidates b4} (10. e4 b4 (10... Bb7 11. e5 (11. Bg5 h6 12. Bh4 c5 13. e5 Nd5
14. Bxe7 Nxc3 15. bxc3 Qxe7 16. Qe2 O-O 17. Nd2 Nb6 18. Ne4 cxd4 19. cxd4 Bxe4
20. Qxe4 g6 21. Qg4 Qg5 22. Qxg5 hxg5 23. Be4 Ra7 24. Rac1 Rd8 25. Rfd1 Rad7 {
Horvath,J (2225)-Czegledi,Z (2220) Hungary 1992 1/2-1/2 (63)}) 11... Nd5 12.
Nxd5 exd5 13. Be3 Nb6 14. Qc2 Qc7 15. Nd2 O-O-O 16. b3 Kb8 17. a4 b4 18. f4 a5
19. Nf3 g6 20. Rac1 Nc8 21. f5 Ka8 22. f6 Bf8 23. Qd2 h6 24. Rc2 Na7 25. Rfc1 {
Altshul,R (2330)-Anguera Maestro,J (2218) Gmunden 2007 1-0 (46)}) 11. Na4 c5
12. Bf4 Bb7 13. e5 Nd5 14. Bg3 Rc8 15. Rc1 g5 16. Nxc5 Nxc5 17. dxc5 h5 18. h3
Qa5 19. Nd2 Bxc5 20. Nc4 Qd8 21. Qa4+ Kf8 22. Nd6 Bxd6 23. exd6 Kg7 24. Bc4 h4
{Szegedi,P (2315)-Kadar,G (2280) Kaposvar 1986 1-0 (41)}) (10. e4 Bb7 $14)
10... O-O (10... c5 11. Bc2 $11) 11. b4 a5 {Black threatens to win material:
a5xb4} 12. Na2 (12. Rb1 $5 $11 {should be considered}) 12... axb4 $15 13. axb4
Bxb4 14. Bd2 Bxd2 15. Qxd2 Bb7 16. Ng5 (16. Qb2 h6 $17) 16... h6 17. Ne4 Nxe4
18. Bxe4 Nc5 19. Qc2 $2 (19. Bb1 $142 $5 g6 20. Qd1 $17) 19... Nxe4 $19 20.
Qxe4 Qb6 (20... Ra7 21. Qc2 c5 22. Qb2 $19) 21. Qb1 (21. Nc3 Rxa1 22. Rxa1 b4
$17) 21... Ra3 (21... c5 $142 22. Qb2 Rfd8 $19) 22. h3 $2 (22. Nb4 $142 Rxa1
23. Qxa1 $19) 22... Rfa8 23. Rc1 Qa5 24. Rc2 b4 $1 {Deflection: a2} 25. Rb2 (
25. Nxb4 Ra4 {Decoy Double attack} (25... Rxa1 {Deflection Pinning})) (25. Qxb4
Qxb4 26. Nxb4 R3a4 {Decoy Double attack} (26... Rb3 {Discovered attack}) (26...
Rxa1+ {Deflection Pinning})) 25... c5 26. dxc5 Bd5 27. c6 (27. Rxb4 {doesn't
get the bull off the ice} Qxc5 28. Rb2 Qa7 $19) 27... Bxc6 (27... b3 $142 {
might be the shorter path} 28. Qd3 $19) 28. e4 (28. Rxb4 {cannot change what
is in store for White} Bd5 $19) 28... Qe5 (28... f5 $142 $5 {keeps an even
firmer grip} 29. Rxb4 Bxe4 30. Qe1 $19) 29. Rxb4 Qg5 (29... f5 {and Black can
already relax} 30. exf5 exf5 31. Rb6 $19) 30. Rb8+ $4 {the position was bad,
and this mistake simply hastens the end} (30. Rb6 $142 Qc5 31. Rb8+ Kh7 32.
Rxa8 Bxa8 33. Nc1 Rxa1 34. Qxa1 Bxe4 35. Ne2 $17) 30... Rxb8 $19 31. Qxb8+ Kh7
32. Qb1 (32. Qb4 {hardly improves anything} Ra4 33. Qc3 Bxe4 $19) 32... Qg6 (
32... Qe5 {keeps an even firmer grip} 33. f3 f5 34. Qe1 Qd4+ 35. Kh2 $19) 33.
Qc1 (33. g3 $19 {cannot change destiny}) 33... Rxh3 (33... Bxe4 $142 {and
Black has prevailed} 34. Qf1 Bd5 $19) 34. Qxc6 $16 Ra3 (34... Rh4 35. g3 Qxe4
36. Qxe4+ Rxe4 37. Nc3 $16) 35. Qc1 (35. Qc2 $142 $18) 35... Qxe4 $4 {an
oversight. But Black was lost anyway.} (35... Qf6 36. Qxa3 Qxa1+ 37. Kh2 Qe5+
38. g3 Qxe4 39. Qc5 $16) 36. Nc3 (36. Qxa3 $142 {and White has triumphed} Qd4
37. Nb4 $18) 36... Rxa1 $16 37. Qxa1 Qd4 38. Qb1+ g6 39. Ne2 Qc4 40. Qf1 Qa6
41. Ng3 Qxf1+ 42. Kxf1 g5 $2 (42... Kg7 43. Ne4 $16) 43. Ke2 (43. Nh5 $142 $18
{seems even better}) 43... Kg6 $16 44. Ke3 Kf6 $4 {a blunder in a bad position}
(44... h5 $142 $16) 45. Ke4 $18 Kg6 46. f3 (46. Ke5 $142 $18 {and White can
already relax}) 46... h5 $4 {shortens the misery for Black} (46... f6 47. Ne2
h5 48. Nd4 $16) 47. Nf1 (47. Ke5 h4 48. Ne4 $18) 47... g4 $4 {Black crumbles
in face of a dire situation} (47... f6 $142 $16) 48. fxg4 $18 hxg4 49. Ng3 (49.
Ke5 Kg5 50. g3 Kg6 51. Nd2 Kg5 52. Ne4+ Kg6 53. Nd6 Kg7 54. Ne8+ Kg6 55. Kf4 f6
56. Kxg4 Kf7 57. Nd6+ Ke7 58. Nc4 f5+ 59. Kg5 Kd7 60. Kf6 Kc6 61. Kxe6 Kc5 62.
Ne5 Kb5 63. Kxf5 Kc5 64. g4 Kd5 65. g5 Kd4 66. g6 Kc3 67. g7 Kb2 68. g8=Q Kc2
69. Qc4+ Kd1 70. Ng4 Kd2 71. Ke4 Kd1 72. Ke3 Ke1 73. Qe2#) 49... Kg5 50. Nf1 (
50. Ke5 Kg6 51. Nf1 g3 52. Nxg3 f5 53. Ne2 Kg5 54. Kxe6 f4 55. Ke5 Kh6 56. Nxf4
Kg5 57. Ke4 Kf6 58. g4 Kg5 59. Kf3 Kf6 60. Kg3 Kg5 61. Nd5 Kg6 62. Kf4 Kg7 63.
g5 Kf8 64. g6 Ke8 65. Kf5 Kf8 66. Nf6 Kg7 67. Ng4 Kg8 68. Kf6 Kf8 69. g7+ Ke8
70. g8=Q+ Kd7 71. Qc4 Kd6 72. Nh6 Kd7 73. Nf7 Ke8 74. Qc8#) 50... f6 $4 {
gives away a clear win} (50... Kg6 51. Kf4 g3 52. Ke5 Kg7 53. Nxg3 Kg6 54. Nf1
Kg5 55. Ne3 f5 56. g3 Kg6 57. Kxe6 Kg5 58. Nxf5 Kg6 59. Ne3 Kg7 60. Kf5 Kf7 61.
g4 Kg7 62. g5 Kf7 63. g6+ Ke8 64. Kf6 Kd7 65. g7 Kc8 66. g8=Q+ Kb7 67. Qc4 Kb8
68. Nd5 Ka8 69. Qa6+ Kb8 70. Qb6+ Ka8 71. Nc7#) 51. Ne3 (51. Ng3 $142 $18 {
and White has it in the bag}) 51... Kh4 $16 52. Nf1 Kg5 53. Ng3 (53. g3 Kh6 54.
Kf4 Kh7 55. Kxg4 Kg6 56. Ne3 f5+ 57. Kf4 Kf6 58. Nc4 Kg6 59. Ne5+ Kh6 60. Nf3
Kg6 61. Ke5 Kh5 62. Nd4 Kg4 63. Ne2 Kh5 64. Kxe6 Kg5 65. Kf7 Kg4 66. Kf6 Kf3
67. Kxf5 Kxe2 68. g4 Ke3 69. g5 Kd4 70. Kf4 Kd5 71. g6 Ke6 72. Kg5 Kd5 73. g7
Ke4 74. g8=Q Kd3 75. Qc8 Ke4 76. Qc5 Kf3 77. Qe5 Kg2 78. Qe2+ Kg3 79. Kf5 Kh3
80. Kf4 Kh4 81. Qg4#) 53... Kh4 54. Nf1 (54. Ne2 $142 $18 {secures the point})
54... Kg5 55. Ng3 {Twofold repetition} Kh4 56. Nf1 {Draw by threefold
repetition} (56. Ne2 $142 $18 {nails it down}) 56... Kg5 57. Ng3 (57. g3 $142
$18 {makes it even easier for White}) 57... f5+ $4 {ruins a clearly superior
position} (57... Kh4 58. Ne2 Kg5 $18) 58. Nxf5 (58. Ke5 Kg6 59. Ne2 f4 60.
Nxf4+ Kf7 61. Nxe6 Kg6 62. Nf4+ Kh7 63. Kf5 Kg7 64. Nh5+ Kf7 65. Nf6 g3 66. Nh5
Ke7 67. Nxg3 Kf8 68. Ne4 Kf7 69. g4 Ke7 70. g5 Kf7 71. g6+ Ke7 72. Ng5 Kd6 73.
g7 Kc5 74. g8=Q Kb4 75. Qb8+ Kc5 76. Ne4+ Kc4 77. Qb1 Kd4 78. Qc2 Ke3 79. Qd2+
Kf3 80. Qf2#) 58... exf5+ 59. Ke3 f4+ 60. Kf2 (60. Kd2 {a fruitless try to
alter the course of the game} g3 61. Ke1 Kf5 62. Ke2 Ke4 63. Kd2 f3 64. gxf3+
Kxf3 65. Kc3 g2 66. Kd4 g1=Q+ 67. Kd5 Qb6 68. Kc4 Ke4 69. Kc3 Qb5 70. Kc2 Qb4
71. Kd1 Qb2 72. Ke1 Ke3 73. Kd1 Qd2#) 60... Kf5 (60... g3+ 61. Kg1 Kf5 62. Kf1
Kf6 63. Ke2 Ke6 64. Kf1 Ke5 65. Ke1 Kd4 66. Ke2 Ke4 67. Kd2 f3 68. gxf3+ Kxf3
69. Kc3 g2 70. Kd4 g1=Q+ 71. Kd5 Kg4 72. Kc6 Kf4 73. Kc7 Qg7+ 74. Kc6 Ke5 75.
Kc5 Qh6 76. Kc4 Qe3 77. Kb4 Kd5 78. Kb5 Qb3+ 79. Ka5 Kc6 80. Ka6 Qa3#) 61. Ke2
(61. g3 {doesn't get the cat off the tree} f3 62. Kf1 Ke4 63. Kf2 Kd3 64. Kf1
f2 65. Kxf2 Kd2 66. Kf1 Ke3 67. Kg1 Kf3 68. Kh2 Kf2 69. Kh1 Kxg3 70. Kg1 Kh3
71. Kh1 g3 72. Kg1 g2 73. Kf2 Kh2 74. Ke2 g1=Q 75. Kd3 Qc5 76. Kd2 Kg2 77. Kd3
Kf3 78. Kd2 Qc4 79. Kd1 Ke3 80. Ke1 Qe2#) 61... Ke4 62. Kf2 (62. Kd2 {does not
win a prize} g3 63. Kc3 f3 64. gxf3+ Kxf3 65. Kc4 g2 66. Kd4 g1=Q+ 67. Kc3 Kf4
68. Kb3 Qd4 69. Kc2 Ke3 70. Kc1 Qd2+ 71. Kb1 Kd3 72. Ka1 Kc2 73. Ka2 Qa5#)
62... Kd3 (62... g3+ 63. Ke2 Kd5 64. Kf1 Ke6 65. Ke2 Ke5 66. Ke1 Kd4 67. Ke2
Ke4 68. Kd2 f3 69. gxf3+ Kxf3 70. Kc3 g2 71. Kd4 g1=Q+ 72. Ke5 Qc1 73. Kd6 Ke4
74. Ke6 Qc6+ 75. Ke7 Kf5 76. Kf7 Qc7+ 77. Kf8 Kf6 78. Kg8 Qg7#) 63. Kf1 (63. g3
{cannot undo what has already been done} f3 64. Kf1 f2 65. Kxf2 Kd2 66. Kf1 Ke3
67. Kg2 Ke2 68. Kg1 Kf3 69. Kh2 Kf2 70. Kh1 Kxg3 71. Kg1 Kh3 72. Kh1 g3 73. Kg1
g2 74. Kf2 Kh2 75. Ke2 g1=Q 76. Kd2 Qc5 77. Kd3 Kg2 78. Ke4 Kf2 79. Kd3 Kf3 80.
Kd2 Qc4 81. Kd1 Ke3 82. Ke1 Qe2#) 63... Ke3 (63... g3 64. Ke1 Ke3 65. Kd1 f3
66. Kc2 f2 67. Kb2 Kd4 68. Kb3 f1=Q 69. Kb2 Kc4 70. Kc2 Qe2+ 71. Kb1 Kc3 72.
Ka1 Qb2#) 64. Kg1 (64. g3 {doesn't change anything anymore} f3 65. Ke1 f2+ 66.
Kf1 Ke4 67. Kxf2 Kd3 68. Kg1 Ke2 69. Kg2 Ke3 70. Kg1 Kf3 71. Kh1 Kxg3 72. Kg1
Kh3 73. Kf1 g3 74. Ke1 g2 75. Kf2 Kh2 76. Ke3 g1=Q+ 77. Ke4 Kh3 78. Ke5 Qc5+
79. Ke6 Kg4 80. Kf6 Qd6+ 81. Kf7 Qd7+ 82. Kg8 Kh5 83. Kf8 Kh6 84. Kg8 Qg7#)
64... Ke2 (64... Ke2 65. g3 f3 66. Kh1 f2 67. Kg2 f1=Q+ 68. Kh2 Qd1 69. Kg2 Qc2
70. Kg1 Kf3 71. Kf1 Qf2#) (64... g3 65. Kh1 Ke2 66. Kg1 Ke1 67. Kh1 f3 68. gxf3
Kf2 69. f4 g2+ 70. Kh2 g1=Q+ 71. Kh3 Qg3#) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "4.6"]
[White "SONOMOTO, Shinji"]
[Black "IKEDA, Naoto"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1740"]
[BlackElo "1317"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "81"]
[SourceDate "2018.03.25"]

{D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 1. d4
d5 2. Nf3 Nf6 3. Nbd2 Nbd7 (3... c6 4. c3 Bf5 5. Nh4 Be4 6. f3 Bg6 7. Nxg6 hxg6
8. e4 e6 9. Bd3 c5 10. dxc5 Bxc5 11. Qe2 Nc6 12. exd5 Qxd5 13. Ne4 O-O-O 14.
Nxc5 Qxc5 15. Be3 Qe5 16. O-O-O Nd5 17. Bd2 Nf4 18. Bxf4 {Astasio Lopez,D 
(2340)-Korneev,O (2571) Elgoibar 2009 0-1 (42)}) (3... c5 4. dxc5 Qa5 5. e3 g6
6. c4 Bg7 7. cxd5 O-O 8. Qb3 Nbd7 9. c6 Nc5 10. Qc4 Nce4 11. Bd3 Nd6 12. Qb3
Nxd5 13. cxb7 Bxb7 14. O-O Rab8 15. Qd1 Rfd8 16. Nb3 Qb6 17. Bd2 Nb4 18. Bxb4 {
Singh,D (2257)-Murali Krishnan,B (2320) Chennai 2013 1/2-1/2}) 4. c3 $146 (4.
g3 e6 5. Bg2 Bd6 6. O-O c6 7. Re1 O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Rxe4 Nf6 11.
Re1 Nd5 12. c4 Ne7 13. Bd2 b6 14. Qc2 h6 15. Rad1 Bb7 16. Bc3 Re8 17. b3 Ng6
18. h4 Qc7 {Schweda,R (2432)-Lovrinovic,C (2247) Austria 2010 1-0 (54)}) 4...
e6 5. Qc2 Bd6 6. e4 dxe4 7. Nxe4 Nxe4 8. Qxe4 {Black's piece can't move: c8}
Nf6 {Black threatens to win material: Nf6xe4} 9. Qh4 Be7 10. Bd3 g6 {Covers f5}
11. Bh6 {Black has a cramped position} (11. O-O O-O $14) 11... Ng8 $11 12. Qf4
Nxh6 13. Qxh6 {Black has the pair of bishops} Bf8 {Black threatens to win
material: Bf8xh6} 14. Qf4 Bg7 15. O-O {Black has a cramped position} O-O 16.
Rad1 b6 17. Be4 {White threatens to win material: Be4xa8} Rb8 18. Rfe1 f5 (
18... Qd6 $5 {deserves consideration} 19. Qc1 Bb7 $11) 19. Bc2 $16 Re8 20. d5
Qe7 $2 (20... exd5 $142 21. Rxe8+ Qxe8 22. Qxc7 Rb7 $14) 21. dxe6 $18 Bxe6 $4 {
Black has lost his nerve... understandable when you consider his position. .} (
21... Kh8 22. Ne5 Bxe5 23. Qxe5+ Qg7 24. e7 Qxe5 25. Rxe5 $18) 22. Ng5 (22.
Rxe6 $142 {secures the point} Qf8 23. Rxe8 Rxe8 24. Bb3+ Kh8 25. Qxc7 $18)
22... Bh6 23. h4 (23. Rxe6 $142 $5 Bxg5 24. Qg3 Qxe6 25. Bb3 $18) 23... Bxg5
$16 24. hxg5 Kf7 $4 {another step towards the grave} (24... Qf7 $142 $16) 25.
Rxe6 $1 $18 {Double attack: a7/f7} Qxe6 (25... Qxe6 26. Qxc7+ {Double attack})
(25... Kxe6 26. Bb3# {Mate attack Decoy}) (25... -- $140 26. Rxe7+ {Mate threat
}) 26. Bb3 Kf8 (26... Qxb3 {what else?} 27. axb3 Re7 $18) 27. Bxe6 Rxe6 28.
Qxc7 (28. Rd7 Re1+ 29. Kh2 Re7 30. Rxe7 Kxe7 31. Qxc7+ Ke6 32. Qxb8 f4 33. Qxa7
b5 34. Qxh7 f3 35. Qxg6+ Kd7 36. Qf5+ Kc6 37. g6 fxg2 38. g7 Kb6 39. g8=Q g1=Q+
40. Kxg1 Kc6 41. Qb8 b4 42. Qfb5#) 28... Rbe8 29. Qxh7 R8e7 30. Qh8+ Kf7 31.
Qh7+ (31. Rd8 Re8 32. Rxe8 Rxe8 33. Qf6+ Kg8 34. Qxg6+ Kf8 35. Qf6+ Kg8 36. g6
Rf8 37. Qe7 Rf6 38. Qxf6 b5 39. Qf7+ Kh8 40. Qh7#) 31... Kf8 32. Rd8+ Re8 33.
Rxe8+ (33. Qh8+ Kf7 34. Rxe8 Rxe8 35. Qf6+ Kg8 36. Qxg6+ Kh8 37. Qxe8+ Kg7 38.
Qe7+ Kg6 39. Qf6+ Kh5 40. f3 Kh4 41. Kh2 Kh5 42. Qh6#) 33... Kxe8 $18 34. Qg8+
Ke7 35. Qg7+ Kd6 36. Qxa7 Ke5 37. g3 (37. Qd7 f4 38. g3 Rd6 39. gxf4+ Kd5 40.
c4+ Kc5 41. b4+ Kxb4 42. Qxd6+ Kc3 43. f5 Kc2 44. fxg6 b5 45. g7 b4 46. Qxb4
Kd1 47. g8=Q Ke2 48. Qe6+ Kd1 49. Qee1+ Kc2 50. Qb3#) 37... Ke4 38. Qb7+ (38.
Qd7 f4 39. Qxe6+ Kd3 40. Qxg6+ Kd2 41. Qe4 fxg3 42. g6 Kc1 43. fxg3 Kxb2 44. g7
Kxc3 45. g8=Q Kb2 46. Qb3+ Kc1 47. Qf4#) 38... Ke5 39. f4+ (39. Qd7 Rd6 40. f4+
Kd5 41. c4+ Kc5 42. b4+ Kd4 43. Qxd6+ Kxc4 44. Qxb6 Kc3 45. Qc5+ Kb2 46. b5
Kxa2 47. b6 Kb3 48. Qd4 Kc2 49. b7 Kb3 50. b8=Q+ Kc2 51. Qbb2#) 39... Kd6 40.
Qxb6+ Kd5 41. c4+ $1 {Deflection: e6} (41. c4+ Kxc4 42. Qxe6+ Kc5 43. Qa6 Kd5
44. Kf2 Kc5 45. Ke2 Kb4 46. Qc6 Ka5 47. a4 Kb4 48. Qb5#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "4.7"]
[White "WATANABE, Katsumi"]
[Black "SATO, Yasuji"]
[Result "0-1"]
[ECO "D08"]
[WhiteElo "1657"]
[BlackElo "1614"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "108"]
[SourceDate "2018.03.25"]

{D08: Albin Counter Gambit} 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. e3 Bb4+
6. Bd2 dxe3 7. fxe3 Bg4 {White is behind in developement} 8. Be2 $146 (8. Bxb4
Qxd1+ 9. Kxd1 Nxb4 10. a3 (10. h3 O-O-O+ 11. Nbd2 Bh5 12. g4 Bg6 13. Nd4 Ne7
14. Bg2 c5 15. Nb5 Nc2 16. Ke2 Nxa1 17. Rxa1 Nc6 18. Bxc6 bxc6 19. Nd6+ Kc7 20.
Nb3 f6 21. Nxc5 fxe5 22. Nf5 Bf7 23. b3 Kb6 24. Na4+ Ka5 {Galliamova,A (2478)
-Lomineishvili,M (2364) Kutansi 2015 1-0 (64)}) 10... Nc6 11. Nbd2 Bxf3+ 12.
gxf3 Nxe5 {1/2-1/2 (12) Szaz,F (2201)-Andi,P (2189) Hungary 2008}) (8. Nc3 Nge7
9. a3 Bxc3 10. Bxc3 O-O 11. Qxd8 Raxd8 12. Be2 Ng6 13. Kf2 Rfe8 14. Rad1 Rxd1
15. Rxd1 Kf8 16. h3 Bc8 17. Nd4 Ncxe5 18. Bb4+ Kg8 19. Nb5 Bd7 20. Nxc7 Rc8 21.
Nd5 Ba4 22. Rd2 h6 {Schischke,R (2290)-Kalka,A (2305) Germany 1997 1/2-1/2 (45)
}) (8. Nc3 Nxe5 9. Qa4+ Nc6 $14) 8... Bc5 {White has a cramped position} (8...
Bxf3 9. Bxf3 Qh4+ 10. g3 Qxc4 11. Qb3 Qxb3 12. Bxc6+ bxc6 13. axb3 $11) 9. O-O
{White castles and improves king safety} (9. Qb3 Rb8 10. Qb5 Be7 $14) 9... Qe7
{[%cal Rc6e5,Re7e5,Gf3e5] The isolani on e5 becomes a target} (9... Nh6 10. Nc3
$14) 10. Nc3 $16 O-O-O 11. Nd5 Qe8 12. Nd4 (12. b4 $142 $5 Bxf3 13. Bxf3 $16)
12... Bxe2 $11 {Black forks: d1, f1+c4} 13. Nxe2 (13. Qxe2 Nxd4 14. exd4 Bxd4+
15. Be3 Bxe5 $11) 13... Nxe5 14. Qc2 c6 15. Bb4 (15. Nd4 $142 $5 $11 {is
noteworthy}) 15... Bxb4 $17 16. Nxb4 Nf6 17. Rad1 Qe7 18. Nd3 $2 (18. Qf5+ $142
Nfd7 19. Nc2 Nxc4 20. Qf4 $17) 18... Nfg4 $19 19. Nxe5 (19. Nd4 Nxe3 20. Nf5
Nxf5 21. Rxf5 $19) 19... Rxd1 $4 {Sacrifices material. a weak move, ruining a
winning position} (19... Qxe5 $142 {and Black has reached his goal} 20. Rxd8+
Rxd8 21. Qf5+ Qxf5 22. Rxf5 Rd1+ 23. Rf1 Rxf1+ 24. Kxf1 Nxe3+ 25. Ke1 Nxc4 $19)
20. Qf5+ $14 {White forks: g4+f7} Kb8 21. Rxd1 (21. Nxg4 $142 Rxf1+ 22. Kxf1
$14) 21... Nxe3 $4 {makes life more difficult.} (21... Nxe5 $142 22. Ng3 g6 $11
) 22. Qd7 (22. Qf4 $142 {and White has prevailed} Ka8 23. Qxe3 $18) 22... Qxe5
$19 23. Qd6+ (23. Rd4 c5 24. Rd3 Nxc4 $19) 23... Qxd6 24. Rxd6 Nxc4 25. Rd7 Rf8
26. b3 Kc8 27. Re7 (27. Rd4 Ne5 $19) 27... Nd6 28. Nf4 Kd8 (28... Re8 {keeps
an even firmer grip} 29. Rxe8+ Nxe8 30. Kf2 $19) 29. Re2 Kd7 (29... Re8 {
seems even better} 30. Rd2 Kc7 31. Rc2 $19) 30. Nh5 Re8 31. Rd2 Kc7 (31... Rg8
$5 32. Kf2 $19) 32. Nxg7 $17 Re5 33. h4 f5 34. Nh5 a5 35. Nf6 h6 36. Ng8 (36.
Rf2 c5 $17) 36... h5 (36... Re6 37. h5 $19) 37. Nf6 $17 f4 (37... Re1+ 38. Kh2
Re6 39. Nxh5 $17) 38. Nh7 (38. Rd4 $5 Rf5 39. Ne4 Nxe4 40. Rxe4 $17) 38... Nf5
39. Nf8 (39. Rf2 Nxh4 40. Rxf4 $19) 39... Nxh4 $19 40. Rd7+ (40. Kf2 Re8 41.
Rd7+ Kc8 $19) 40... Kb6 41. Rf7 (41. Rh7 Rg5 $19) 41... Rf5 42. Rxf5 (42. Nd7+
Kb5 43. Rh7 Kb4 $19) 42... Nxf5 43. Ng6 (43. Kf2 {there is nothing else anyway}
Kc5 44. Kf3 Nh4+ 45. Kxf4 Nxg2+ 46. Kf3 Ne1+ 47. Ke2 $19) 43... Kb5 44. Nxf4
Ng7 (44... Kb4 {makes it even easier for Black} 45. Ne2 $19) 45. Kf2 $4 {
White falls apart} (45. Nd3 $19) 45... Kb4 46. Kg3 (46. Ne2 $19 {there is
nothing better in the position}) 46... Ka3 47. Kh4 (47. b4 {does not solve
anything} axb4 48. Nd3 b6 $19) 47... Kxa2 48. Nxh5 (48. Kg5 {doesn't change
the outcome of the game} Kxb3 49. Kh6 Ne8 $19) 48... Nf5+ 49. Kg5 (49. Kg4 {
does not help much} Nd4 50. Ng3 Kxb3 $19) 49... Ne3 50. g3 Kxb3 51. Kf4 Nd5+
52. Ke5 a4 53. g4 (53. Ng7 {is not much help} a3 54. Ke4 a2 55. Kf3 a1=Q 56.
Ne6 Qe5 57. Nf4 Nxf4 58. gxf4 Qf5 59. Kg3 c5 60. Kf2 Qxf4+ 61. Kg1 Qd2 62. Kh1
c4 63. Kg1 c3 64. Kf1 c2 65. Kg1 c1=R#) 53... a3 54. g5 Ne7 (54... Ne7 55. Kd6
a2 56. Kxe7 a1=Q $19) (54... a2 55. Ke6 a1=Q 56. Nf6 Qe1+ 57. Kf5 Ne7+ 58. Kf4
Qe6 59. Ng4 Ng6+ 60. Kg3 Qd6+ 61. Kg2 Qf4 62. Nf2 Qe3 63. Nd3 Nh4+ 64. Kf1
Qxd3+ 65. Kf2 Qf3+ 66. Ke1 Kc2 67. g6 Ng2#) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "4.8"]
[White "KOBAYASHI, Katsuhiko"]
[Black "ITO, Katsumi"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1494"]
[BlackElo "1282"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "73"]
[SourceDate "2018.03.25"]

{B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} 1. e4 c5 2. Nf3 Nc6
3. Bb5 d6 4. Bxc6+ bxc6 5. O-O Bg4 6. Nc3 $146 (6. h3 Bh5 (6... Bxf3 7. Qxf3 e6
8. c3 Be7 9. d4 cxd4 10. cxd4 Nf6 11. Nc3 d5 12. Be3 O-O 13. b3 Bb4 14. Bg5
Bxc3 15. Qxc3 Nxe4 16. Bxd8 Nxc3 17. Be7 Rfe8 18. Bc5 a5 19. f3 a4 20. Kf2 Ra6
21. Rfc1 {Leko,P (2545)-Gelfand,B (2685) Munich 1994 0-1 (42)}) 7. Re1 (7. c3
Nf6 8. Re1 e6 9. d3 Be7 10. Nbd2 O-O 11. Qa4 Qc7 12. e5 Nd5 13. exd6 Bxd6 14.
Qh4 Nf4 15. Ne4 Bxf3 16. Bxf4 Bxf4 17. gxf3 Rad8 18. Nxc5 e5 19. d4 exd4 20.
Re7 Qd6 21. Ne4 Qg6+ {Velicka,P (2420)-Pisk,P (2295) Czechia 1996 1/2-1/2})
7... Nf6 8. d3 e6 9. Nbd2 Nd7 10. Nf1 Be7 11. Ng3 Bg6 12. Bd2 (12. Nh2 Bh4 13.
Bf4 e5 14. Be3 Bxg3 15. fxg3 O-O 16. g4 d5 17. Qf3 dxe4 18. dxe4 Qa5 19. Rad1
Rfd8 20. g5 Qa4 21. Bf2 Qxc2 22. h4 h5 23. gxh6 Nf6 24. Rxd8+ Rxd8 25. hxg7
Nxe4 26. Be3 f5 {Borghi,H (2320)-Soppe,G (2405) San Luis 1990 0-1 (37)}) 12...
h5 13. Ne2 h4 14. Nf4 Bh7 15. e5 d5 16. g4 hxg3 17. fxg3 Qb8 18. b3 g5 19. Ng2
Bg8 20. Bxg5 Bxg5 {Titov,G (2200)-Yudasin,L (2475) Kostroma 1985 0-1 (39)}) (6.
c3 Nf6 7. Re1 e6 8. d4 Bxf3 9. Qxf3 cxd4 10. cxd4 d5 11. e5 Nd7 12. Qg3 Qb6 13.
Rd1 g6 14. Nc3 Be7 15. Bh6 Qxb2 16. Rab1 Qa3 17. Rd3 Qa6 18. Rf3 Bf8 19. Qf4
Bxh6 20. Qxh6 Qc4 {Velicka,P (2335)-Videki,S (2385) Zalakaros 1991 1/2-1/2 (64)
}) (6. h3 Bh5 $14) 6... h6 {Controls g5} (6... e5 7. Re1 $11) 7. d3 (7. h3 Bxf3
8. Qxf3 e6 $14) 7... Nf6 8. Bd2 (8. h3 Bxf3 9. Qxf3 Nd7 $14) 8... Rb8 $11 9. b3
e6 {Covers d5} 10. h3 Bh5 11. g4 Bg6 12. e5 {White threatens to win material:
e5xf6} Nd7 13. exd6 Bxd6 14. Ne4 Bxe4 (14... Bc7 15. Qe2 $11) 15. dxe4 $14 Ne5
16. Bc3 Nxf3+ 17. Qxf3 O-O 18. Rad1 Qc7 19. e5 (19. Qe3 $5 $14 {is worthy of
consideration}) 19... Bxe5 $11 20. Bxe5 Qxe5 21. Qxc6 Rfc8 {Black threatens to
win material: Rc8xc6} (21... Qc3 22. Kg2 $15) 22. Qd7 {White threatens to win
material: Qd7xa7} Qc3 {Black threatens to win material: Qc3xc2. Black forks:
c2+h3} 23. Qxa7 (23. Qd3 $142 $5 {should not be overlooked} Qa5 24. Qe4 $11)
23... Qxh3 $17 24. Rd3 (24. f3 $5 $17) 24... Qxg4+ $19 25. Rg3 Qe4 26. Rd1 (26.
Qe7 Qxc2 27. Qf6 g6 $19) 26... Rb7 27. Qa5 Rbb8 (27... Qxc2 $142 {Black
clearly has the better chances} 28. Qd2 Qxd2 29. Rxd2 Ra7 $19) 28. Qc3 (28. Qa7
Qxc2 29. Rdd3 $19) 28... f6 $4 {ruins a very nice position} (28... g6 $142 $5
$15 {is a viable option}) 29. Qxf6 (29. Rd7 Kh8 30. Rgxg7 Qe1+ 31. Qxe1 Rg8 32.
Rg3 Rxg3+ 33. fxg3 Rg8 34. Qxe6 Rxg3+ 35. Kf2 Rg6 36. Qd6 Rg2+ 37. Kxg2 Kg8 38.
Qb8#) 29... g5 $4 (29... Rc7 $142 {was a good chance to save the game} 30. Qxh6
Qxc2 31. Qxe6+ Rf7 $14) 30. Rd7 Qe1+ 31. Kh2 (31. Kg2 Qe4+ 32. Kh2 Qh7 33. Rxh7
Kxh7 34. Qf7+ Kh8 35. Rh3 Rf8 36. Rxh6#) 31... Qxf2+ 32. Qxf2 Rf8 33. Rf3 (33.
Qe3 Rf2+ 34. Qxf2 Rf8 35. Qe3 Rf6 36. Rxg5+ hxg5 37. Qxg5+ Kf8 38. Qxf6+ Ke8
39. Qf7#) 33... g4 (33... Rfd8 {doesn't do any good} 34. Qd2 Rxd7 35. Qxd7 Rf8
36. Qxe6+ Kg7 37. Qe7+ Kg6 38. Qxf8 Kh5 39. Rh3+ Kg4 40. Qf3#) 34. Rxf8+ (34.
Rff7 Rfe8 35. Rg7+ Kh8 36. Rh7+ Kg8 37. Rdg7#) 34... Rxf8 35. Qxf8+ (35. Qe2
g3+ 36. Kh3 Rf7 37. Qxe6 h5 38. Qxf7+ Kh8 39. Rd8#) 35... Kxf8 36. Kg3 Ke8 (
36... h5 {is no salvation} 37. Rh7 Ke8 38. a4 Kd8 39. Rxh5 Kc7 40. Rxc5+ Kd6
41. Rc4 e5 42. a5 e4 43. a6 e3 44. a7 e2 45. Re4 Kc7 46. a8=Q e1=R 47. Qa7+ Kd6
48. Rxe1 Kc6 49. Re6+ Kd5 50. Qa6 Kd4 51. Qc4#) 37. Rh7 (37. Rh7 e5 38. a4 Kd8
39. Kxg4 h5+ 40. Kf5 e4 41. Kxe4 Kc8 42. a5 h4 43. a6 Kb8 44. a7+ Ka8 45. Kd5
h3 46. Kc6 h2 47. Kb6 h1=Q 48. Rxh1 c4 49. Rh8#) 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "5.1"]
[White "SUGIMOTO, Koichi"]
[Black "KIMURA, Ryota"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "1960"]
[BlackElo "1625"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "81"]
[SourceDate "2018.03.25"]

{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 cxd4 10. Nxd4 Be6 11.
Rc1 (11. Nxe6 fxe6 12. Bh3 Kh8 13. Bxe6 d4 14. Nb1 Ne4 15. Bxe7 Qxe7 16. Bd5
Rad8 17. Bxe4 Qxe4 18. Nd2 Qg4 19. e4 Qh3 20. f4 d3 21. Qf3 Rf6 22. Rad1 Rh6
23. Qg2 Qe6 24. b3 Nd4 25. Nc4 b5 {Kashlinskaya,A (2377)-Bezgodova,M (2200)
Gaziantep 2012 1-0}) 11... Qd7 12. Nxc6 $146 (12. Na4 Ne4 (12... Nxd4 13. Qxd4
b6 14. Rfd1 Rac8 15. Nc3 Rfd8 16. Qf4 Rc4 17. e4 Qe8 18. b3 Rb4 19. a3 Rxb3 20.
exd5 Nh5 21. Qh4 f6 22. dxe6 Rxd1+ 23. Rxd1 Rxc3 24. Be3 g5 25. Qe4 Rxa3 26.
Qb7 Ng7 27. Bc6 {Frolyanov,D (2599)-Bezgodova,S (2154) Khanty-Mansiysk 2011
1-0 (42)}) 13. Bxe7 Qxe7 14. Nxc6 bxc6 15. Rxc6 Rac8 16. Rxc8 Rxc8 17. e3 Qc7
18. Qd4 Qc2 19. Qxa7 Nd2 20. Re1 Ne4 21. Rf1 Nd2 22. Re1 Ne4 23. Bxe4 dxe4 24.
Qd4 h6 25. Nb6 Rc5 26. Qd1 {1/2-1/2 (26) Hammer,J (2633)-Bezgodov,A (2485)
Khanty-Mansiysk 2010}) (12. e4 Nxe4 13. Nxe6 Qxe6 14. Bxe7 Nxc3 15. Rxc3 Nxe7
$14) 12... bxc6 $11 {Black has new hanging pawns: c6+d5} 13. Na4 Rab8 14. a3 {
Prevents intrusion on b4} h6 {Black threatens to win material: h6xg5} 15. Be3
Rfc8 16. b4 {Black has a new backward pawn: c6} Rb7 17. Bd4 Qd6 (17... Rb5 18.
Qd2 $14) 18. Nc5 $16 Rbc7 19. Qd3 Qd8 20. Rc3 (20. Nxe6 fxe6 21. Bh3 Qd7 $16)
20... Nd7 (20... Bxc5 $5 21. Bxc5 Rd7 $14) 21. Nxe6 fxe6 22. Qe3 e5 23. Bxe5
Nxe5 24. Qxe5 Bf6 25. Qe6+ Kh8 26. Rd3 (26. Rc2 $5 Re7 27. Qg4 Rec7 $18) 26...
Re7 $16 27. Qg4 Qc7 $2 (27... Qe8 28. e3 $16) 28. e3 (28. Rc1 $5 Rce8 29. Bxd5
Rxe2 30. Rxc6 Qe5 $18) 28... Rce8 29. Rfd1 a5 (29... Qb8 30. Qg6 Re5 31. h4 $18
) 30. Rc1 (30. b5 $5 cxb5 31. Rxd5 b4 32. axb4 axb4 $18) 30... Qb6 31. Rc5 (31.
bxa5 Qxa5 32. Bh3 Qb6 $16) 31... axb4 32. Qxb4 Rb7 33. Qxb6 Rxb6 34. a4 d4 (
34... Be7 $5 35. Rc1 Ra8 $16) 35. Rxc6 $18 Rb1+ 36. Bf1 dxe3 37. Rxe3 Rd8 (
37... Rxe3 38. fxe3 Ra1 39. Ra6 $18) 38. Kg2 Rd2 $4 {sad, but how else could
Black save the game?} (38... Ra1 39. Bb5 Kh7 $18) 39. Rc8+ Kh7 40. Bd3+ Rxd3
41. Rxd3 1-0

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "5.2"]
[White "AOKI, Yasuhiro"]
[Black "DRAKAKIS, Athanasios"]
[Result "0-1"]
[ECO "A18"]
[WhiteElo "1620"]
[BlackElo "1827"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "78"]
[SourceDate "2018.03.25"]

{A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4)} 1. c4 Nf6
2. Nc3 e6 3. e4 d6 4. d4 Be7 5. Nf3 O-O 6. Be2 (6. Bd3 c5 7. dxc5 dxc5 8. e5
Nfd7 9. Qc2 g6 10. Bh6 Re8 11. Be4 Qb6 12. h4 Nc6 13. Bxc6 Qxc6 14. h5 b6 15.
hxg6 fxg6 16. O-O-O Bb7 17. Rh3 Bf8 18. Rdh1 Bxh6+ 19. Rxh6 Re7 20. Qxg6+ Rg7 {
Yilmaz,M (2531)-Guliev,L (2401) Nakhchivan 2013 1-0}) 6... h6 $146 {
Consolidates g5} (6... d5 7. e5 Ne4 8. Qc2 f5 9. exf6 Nxf6 10. Bg5 Nc6 11. Rd1
h6 12. Bh4 b6 13. O-O Bb7 14. Ne5 Nxe5 15. dxe5 Ne4 16. Nxe4 Bxh4 17. Nc3 c6
18. g3 Bg5 19. h4 Be7 20. Qg6 Qe8 21. Qxe6+ {Vera Gonzalez Quevedo,R (2410)
-Pokojowczyk,J (2420) Berlin East 1982 1-0 (36)}) (6... Nbd7 7. O-O c5 8. Re1
cxd4 9. Nxd4 Nc5 10. f3 a6 11. Be3 Re8 12. Bf2 e5 13. Nc2 Ne6 14. Bf1 Bd7 15.
Rc1 Rc8 16. Ne3 Nd4 17. Ned5 Nxd5 18. Nxd5 Ne6 19. Bb6 Nc7 20. Kh1 Bc6 21. Nxc7
{Grischuk,A (2720)-Mokry,K (2459) Mainz 2005 1-0 (46)}) (6... c6 7. O-O Nbd7 8.
e5 (8. Rb1 Qc7 9. h3 e5 10. Be3 a6 11. a4 c5 12. dxe5 Nxe5 13. Nd2 b6 14. f4
Ng6 15. Nf3 Bb7 16. f5 Ne5 17. Nxe5 dxe5 18. Nd5 Bxd5 19. exd5 Ne8 20. Bd3 Qd8
21. Qg4 Bf6 22. Rbe1 Nd6 {Hrubant,I (2173)-Novotny,J (2187) Czechia 2002 0-1 
(41)}) 8... dxe5 9. dxe5 Ng4 10. Bf4 Qa5 11. Qd2 Kh8 12. Ne4 Qxd2 13. Nexd2 f6
14. exf6 Bxf6 15. Rab1 e5 16. Bg3 a5 17. Ne4 Be7 18. Rbd1 Ngf6 19. Nd6 Bxd6 20.
Rxd6 Ne4 21. Re6 {Milicevic,A (2233)-Djordjevic,D (2202) Belgrade 2012 1/2-1/2
(41)}) 7. O-O Nh7 8. Be3 c6 {Secures b5+d5} 9. Qc2 f5 10. exf5 exf5 11. Rad1
Ng5 12. Nxg5 hxg5 13. Bd3 Qd7 (13... Na6 14. a3 $14) 14. Rfe1 Na6 15. a3 Nc7
16. d5 c5 17. b4 b6 18. b5 Ne8 19. Bc1 {Black has a cramped position} Bf6 20.
Ne2 g6 21. h4 (21. Bd2 $5 $14) 21... gxh4 $11 22. Nf4 {White threatens to win
material: Nf4xg6} Qf7 23. Ne6 Bxe6 24. dxe6 Qe7 25. Qe2 (25. Be2 $5 $11) 25...
Ng7 (25... Nc7 26. Qe3 Rae8 27. g4 Nxe6 28. gxf5 gxf5 29. Bxf5 $15) 26. Bh6 (
26. Qd2 Be5 $15) 26... Rae8 (26... Bc3 27. Bd2 Be5 28. Kh1 $17) 27. Qf3 (27.
Qe3 $5 $17) 27... Be5 28. Qd5 Qxe6 29. Qc6 Rc8 30. Qb7 (30. Qf3 Qf6 $17) 30...
Rf7 $19 31. Qf3 Qf6 32. Bc1 Ne6 33. Bb1 Kg7 34. Qd5 Nf4 35. Bxf4 Bxf4 36. Re6
Qg5 37. Rde1 Rcf8 38. Bd3 Be5 39. Bf1 (39. Kf1 Rh8 40. Qf3 Qh6 $19) 39... Qf4 (
39... Qf4 40. Bd3 Bd4 $19) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "5.3"]
[White "MANABE, Hiroaki"]
[Black "YOSHII, Yukihiko"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "1783"]
[BlackElo "1723"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "95"]
[SourceDate "2018.03.25"]

{C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} 1. e4 e5 2. Bc4 Nf6 3. d4 Nc6 4. Nf3
exd4 5. e5 Ng4 6. Qe2 Be7 7. h3 Nh6 8. Bxh6 gxh6 9. Nbd2 d5 10. exd6 Qxd6 11.
O-O-O $146 (11. Ne4 Qg6 12. O-O-O Bf5 13. Rhe1 O-O-O 14. g4 Bd7 15. Nxd4 Nxd4
16. Rxd4 Rhe8 17. Kb1 f5 18. gxf5 Bxf5 19. Rxd8+ Kxd8 20. Ng3 Bd7 21. Qf3 Qb6 {
1/2-1/2 (21) Mork,K (2305)-Johannessen,S (2275) Oslo 1998}) 11... Be6 {Black
king safety improved} 12. Rhe1 Bxc4 {Black forks: a2+e2} 13. Qxc4 Qg6 $2 (13...
O-O-O $142 $5 $14 {and Black can hope to survive}) 14. Nxd4 $16 Kf8 (14... Rd8
15. Nxc6 Qxc6 16. Qxc6+ bxc6 17. Re4 $16) 15. Nxc6 (15. N2b3 h5 16. Kb1 h6 $18)
15... bxc6 (15... Qxc6 16. Qxc6 bxc6 17. Nc4 $16) 16. Qe4 (16. Nf3 $142 $5 Bd6
17. Ne5 Qg5+ 18. f4 Qf5 $18) 16... Re8 (16... Qxe4 17. Rxe4 Rg8 18. g3 $16) 17.
Qxg6 (17. Qe5 $5 Rg8 18. g3 $18) 17... hxg6 $14 18. Nc4 Bg5+ 19. Kb1 Rxe1 20.
Rxe1 Kg7 21. c3 Rd8 22. Kc2 h5 (22... Bf6 23. Na5 Rd6 24. Re8 $16) 23. g3 (23.
Re5 Rd5 $16) 23... h4 24. g4 (24. Re4 Rh8 25. g4 Rd8 $16) 24... a6 (24... Bf4
$5 $14) 25. Re4 $16 f5 26. gxf5 gxf5 (26... Rf8 $142 $5 27. f4 gxf5 $16) 27.
Re6 $18 Bf4 28. Rxc6 a5 $2 (28... Re8 29. Kd1 Bg3 $18) 29. Rc5 (29. a4 {
makes it even easier for White} Re8 30. Nxa5 Re2+ 31. Kb3 Bg3 $18) 29... Kf6
30. Rxa5 Re8 31. Kd3 Re1 32. Ne3 $4 {White is ruining his position} (32. Rc5
$142 {White had this great chance} Rh1 33. Ne3 Bxe3 34. Kxe3 $18) 32... Bxe3
$16 33. fxe3 {A rook endgame occured} Rh1 34. Ra8 Rxh3 35. Rh8 Kg7 {Black
threatens to win material: Kg7xh8} 36. Rh5 {White threatens to win material:
Rh5xf5} Kg6 37. Rh8 f4 {Black threatens to win material: f4xe3} 38. Ke2 Rxe3+
39. Kf2 Kg5 40. Rg8+ Kf5 41. Rf8+ Kg4 42. Rg8+ Kf5 43. Rf8+ Ke4 44. Re8+ Kd3
45. Rd8+ Ke4 46. Re8+ Kd3 {Twofold repetition} 47. Rf8 $4 {gives the opponent
counterplay} (47. Rd8+ $142 {and White could well hope to play on} Kc2 48. Rd7
$11) 47... Ke4 $4 {allows the opponent back into the game} (47... h3 $142 {
Black has a promising position} 48. Rxf4 Re2+ 49. Kg1 h2+ 50. Kh1 Rxb2 51. Rf3+
Kc4 52. Rf4+ Kxc3 53. Rf3+ Kb4 54. Rf4+ Kc5 $19) 48. Re8+ $11 1/2-1/2

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "5.4"]
[White "HAKAMADA, Eiji"]
[Black "SHIBUYA, Kaisei"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "1510"]
[BlackElo "1582"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "104"]
[SourceDate "2018.03.25"]

{A28: English Opening: Four Knights Variation} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6
4. e3 d5 5. cxd5 Nxd5 6. a3 (6. Qc2 Nb6 7. a3 Bd6 8. Be2 a5 9. b3 f5 10. d3 O-O
11. Nd2 Be6 12. O-O Qh4 13. Nb5 Bd5 14. e4 Be6 15. Bb2 Rad8 {1/2-1/2 (15)
Ghaem Maghami,E (2552)-Svetushkin,D (2546) Istanbul 2004}) 6... Nxc3 $146 (6...
Be6 7. Qc2 Qd7 8. d3 Be7 9. Be2 O-O 10. O-O f6 11. Bd2 Rad8 12. Rac1 Nxc3 13.
Bxc3 Bd5 14. Rfd1 {1/2-1/2 (14) Farkas,T (2276)-Keresztes,R (2255) Kecskemet
2011}) (6... a6 7. Qc2 Be6 8. Be2 Be7 9. O-O O-O 10. Rd1 f5 11. d4 e4 {1/2-1/2
(11) Pegorari,P (2366)-Skembris,S (2481) Cutro 2000}) 7. bxc3 {White has a
cramped position} Bf5 8. d3 {Consolidates e4} e4 9. Nd4 Nxd4 10. exd4 Be7 11.
Be2 O-O 12. O-O Bg5 13. dxe4 Bxe4 14. Bf3 Bxf3 15. Qxf3 c6 16. Rb1 {White
threatens to win material: Rb1xb7} Rb8 17. Re1 Bxc1 18. Rexc1 Qe7 19. c4 Rfd8 {
Black threatens to win material: Rd8xd4} 20. Re1 {White threatens to win
material: Re1xe7} Qd6 21. Re4 Re8 (21... b5 22. c5 Qd7 23. Rbe1 $11) 22. Rbe1 (
22. Rxb7 $142 $1 Rf8 23. Rxb8 Rxb8 24. g3 $16) 22... Rxe4 $11 23. Rxe4 Qh6 {
Black has a mate threat} 24. Re3 Qd6 25. Qg3 Qxg3 26. Rxg3 {A rook endgame
occured} Rd8 {Black threatens to win material: Rd8xd4} 27. Rd3 f5 28. f4 Kf7
29. Kf2 b5 30. cxb5 cxb5 {White has a new passed pawn: d4.} 31. Ke3 Re8+ 32.
Kf3 Re4 {The black rook on an outpost} 33. g4 (33. Rb3 Rxd4 34. Rxb5 Rd3+ 35.
Kf2 Rxa3 36. Rxf5+ Ke6 $11) 33... g6 (33... Ke6 34. d5+ Kd6 35. gxf5 $15) 34.
gxf5 $11 gxf5 35. d5 (35. Rb3 Rxd4 36. Rxb5 Rd3+ 37. Kg2 Rxa3 38. Rxf5+ Kg6 39.
Rg5+ Kf6 $11) 35... Ke7 (35... Ke8 36. Rb3 a6 37. Rb4 $15) 36. d6+ $11 Kd7 37.
Rd5 {White threatens to win material: Rd5xb5. White forks: b5+f5} Ra4 {Black
threatens to win material: Ra4xa3} 38. Rxb5 Kxd6 (38... Rxa3+ $5 {might be a
viable alternative} 39. Kg2 Kxd6 40. Rxf5 Ke6 $11) 39. Rxf5 $14 Rxa3+ 40. Kg4
a5 41. h4 (41. Rh5 Ra1 $16) 41... Ra1 42. Kh5 (42. Kg5 a4 $14) 42... a4 43. Ra5
a3 {A strong pawn} 44. f5 a2 45. Kh6 {White threatens to win material: Kh6xh7}
Kc6 (45... Ke7 46. Ra6 $11) 46. Kxh7 (46. f6 Kd7 47. f7 $16) 46... Kb6 $2 (
46... Kd6 $142 $11 {and Black is still in the game}) 47. Ra3 Kc7 48. f6 Kd7 49.
Ra7+ Ke8 50. h5 Kf8 51. h6 Ke8 (51... Rf1 52. Rxa2 Rxf6 53. Ra8+ Kf7 54. Ra7+
Kf8 55. Rg7 $18) 52. Ra6 $4 {overlooking an easy win} (52. Kg8 $142 {nails it
down} Rg1+ 53. Rg7 Rxg7+ 54. hxg7 $18) 52... Kf8 1/2-1/2

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "5.5"]
[White "SATO, Yasuji"]
[Black "SONOMOTO, Shinji"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1614"]
[BlackElo "1740"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "86"]
[SourceDate "2018.03.25"]

{B27: Sicilian: 2 Nf3, unusual Black 2nd moves} 1. e4 c5 2. Nf3 g6 3. c3 Bg7 4.
Bc4 d6 5. Ng5 $146 (5. d4 cxd4 6. cxd4 Nf6 7. Qe2 (7. e5 dxe5 8. Qb3 e6 9. dxe5
Nfd7 10. Bg5 Qb6 11. Qc3 Nc6 12. Bf4 Qb4 13. Qxb4 Nxb4 14. Na3 a6 15. O-O b5
16. Be2 Bb7 17. Rfe1 O-O 18. Rad1 Nc5 19. Rd4 Nxa2 20. Ra1 Nb3 21. Rxa2 Bxf3 {
Pudas,T (2163)-Seeman,T (2422) Finland 2005 0-1 (57)}) 7... d5 8. exd5 Nxd5 9.
Nc3 Nb6 10. Bb3 O-O 11. O-O Bg4 12. d5 N8d7 13. h3 Bxf3 14. Qxf3 Ne5 15. Qe2
Rc8 16. Bg5 h6 17. Bh4 g5 18. Bg3 Nec4 19. Rac1 Qd7 {Pap,M (2488)-Sibilio,M 
(2295) Tortoreto 2015 1/2-1/2 (55)}) (5. O-O Nf6 (5... Nc6 6. d4 Nf6 7. d5 Nb8
8. Re1 O-O 9. h3 Nbd7 10. Bf4 Ne8 11. Nbd2 Nc7 12. a4 a6 13. Qc2 b6 14. Bf1 Rb8
15. Nc4 f6 16. Nfd2 Rf7 17. Bg3 f5 18. exf5 gxf5 19. Nf3 h6 20. Bxd6 {
Vuilleumier,A (2354)-Okun,L (2370) Moscow 2006 1-0 (32)}) 6. d3 O-O 7. Bb3 Nc6
8. Re1 Bg4 9. h3 Bxf3 10. Qxf3 Nd7 11. Nd2 b5 12. Qe2 b4 13. cxb4 Nxb4 14. Nf3
Nc6 15. Bg5 Nde5 16. Nxe5 Bxe5 17. Bh6 Nd4 18. Qd1 Bg7 19. Bxg7 Kxg7 {Rabiega,
R (2527)-Wojtkiewicz,A (2564) playchess.com INT 2004 0-1 (59)}) (5. d4 cxd4 6.
cxd4 Nf6 $11) 5... e6 {Secures d5} 6. Qf3 $4 (6. d3 $142 $11 {had to be tried
to avoid defeat}) 6... Qxg5 $19 7. Bb5+ Nd7 8. O-O Qf6 9. Qe2 a6 10. Ba4 b5 11.
Bc2 Ne7 12. d3 O-O 13. Nd2 Bb7 14. Nf3 h6 15. Be3 Nc6 16. h3 Kh7 17. Nh2 (17.
d4 cxd4 18. Nxd4 Rfc8 $19) 17... Qe7 18. f4 f5 19. Rf2 (19. Nf3 Rae8 $19) 19...
d5 20. e5 d4 21. Bd2 Rad8 (21... g5 {might be the shorter path} 22. Nf3 g4 23.
Ne1 $19) 22. a4 Nb6 23. axb5 axb5 24. g4 (24. Nf3 {doesn't improve anything}
dxc3 25. bxc3 b4 $19) 24... Ra8 25. Rb1 Qh4 26. Qf1 (26. Nf3 {is not much help}
Qxh3 27. g5 Ne7 $19) 26... Qd8 (26... Nxe5 $142 {and the rest is a matter of
technique} 27. g5 dxc3 28. gxh6 Bxh6 29. Bxc3 Bxf4 30. Bxe5 $19) 27. Nf3 (27.
Bd1 {cannot undo what has already been done} Nd5 28. Bf3 g5 29. gxf5 exf5 $19)
27... Rg8 (27... fxg4 $5 {keeps an even firmer grip} 28. hxg4 Nd5 29. Ne1 $19)
28. Kh2 (28. Qe1 {does not win a prize} Qd5 29. Qf1 g5 $19) 28... Ne7 (28...
fxg4 $5 {makes it even easier for Black} 29. hxg4 Rf8 30. Kh3 $19) 29. cxd4
cxd4 30. Bb3 Qd7 31. Bb4 (31. Rc1 {is not the saving move} Rac8 $19) 31... Nc6
(31... Nbd5 $142 $5 {might be the shorter path} 32. Bd6 Ra6 33. Bc5 $19) 32.
Bd6 Bf8 33. Bxf8 Raxf8 34. Nd2 (34. g5 {is no salvation} Nb4 $19) 34... fxg4 (
34... Nb4 $5 {seems even better} 35. g5 $19) 35. hxg4 Nd5 36. Bxd5 Qxd5 (36...
exd5 $5 {and Black can already relax} 37. Qe2 $19) 37. Ne4 Qd8 38. Kg3 Nb4 39.
Rc1 (39. Nf6+ {otherwise it's curtains at once} Rxf6 40. exf6 Qxf6 41. Qe2 $19)
39... Bxe4 40. dxe4 d3 41. Rd2 (41. Rh2 {doesn't change the outcome of the game
} Qd4 42. Qf2 Nc2 43. Qxd4 Nxd4 $19) 41... Qd4 42. Rc7+ (42. Qf3 {does not
solve anything} g5 43. f5 Rc8 $19) 42... Rg7 43. Rc3 (43. Rxg7+ {the last
chance for counterplay} Kxg7 44. Qf2 Qxe4 45. Qf3 Qxf3+ 46. Kxf3 $19) 43...
Qe3+ (43... Qe3+ 44. Qf3 Qxd2 45. Ra3 Qe1+ 46. Kg2 d2 47. Re3 Rc7 48. Re2 Rxf4
49. Qxf4 Qxe2+ 50. Qf2 Qxf2+ 51. Kxf2 d1=Q 52. Kg3 Qd3+ 53. Kh2 Rc2+ 54. Kh1
Qd1#) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "5.6"]
[White "MATSUMOTO, Kenshin"]
[Black "KOBAYASHI, Katsuhiko"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "1471"]
[BlackElo "1494"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "127"]
[SourceDate "2018.03.25"]

{E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6..
.Bg4} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 Bg4 7. O-O Nbd7
(7... Na6 8. Be3 Nd7 9. Rb1 c6 10. Qd2 Nc7 11. d5 c5 12. h3 Bxf3 13. Bxf3 a6
14. b4 b5 15. bxc5 Nxc5 16. cxb5 Bxc3 17. Qxc3 Nxb5 18. Qa1 Qa5 19. Bh6 f6 20.
Bxf8 Rxf8 21. Qb2 Rc8 22. Rfc1 {Gundavaa,B (2469)-Kuderinov,K (2459) Ulan Ude
2010 1/2-1/2 (68)}) 8. h3 (8. Be3 e5 9. d5 Nc5 10. h3 Bxf3 11. Bxf3 a5 12. a3
Nfd7 13. b4 axb4 14. axb4 Rxa1 15. Qxa1 Nb3 16. Qa7 Nd4 17. Be2 Qb8 18. Bxd4
exd4 19. Qxb8 Nxb8 20. Nb5 Na6 21. Rd1 Nxb4 22. Nxc7 Na2 {Ishkanov,T (2314)
-Bregadze,L (2417) Santa Clara 2014 0-1 (62)}) 8... Bxf3 9. Bxf3 c6 $146 {
Controls b5+d5} (9... e5 10. Be3 c6 11. Rb1 Qe7 12. Re1 Rfd8 13. b4 exd4 14.
Bxd4 c5 15. bxc5 Nxc5 16. Bxc5 dxc5 17. Nd5 Nxd5 18. exd5 Qc7 19. Qb3 Rab8 20.
Re2 Bf6 21. g3 Kg7 22. Kg2 h5 23. h4 Rd6 24. a4 {Singh,S (2218)-Rathnakaran,K 
(2397) New Delhi 2010 0-1 (55)}) (9... c5 10. d5 a6 11. a4 b6 12. Be2 Qc7 13.
Be3 Rfe8 14. Qd2 e6 15. dxe6 Rxe6 16. Rad1 Bf8 17. f3 Ne5 18. b3 Qb7 19. Rf2
Nc6 20. Bf1 Bg7 21. g4 {1/2-1/2 (21) Tsyganov,I (2255)-Feofanov,V (2345)
Smolensk 1997}) 10. Re1 e5 11. Be3 exd4 {Black forks: c3+e3} 12. Bxd4 Ne5 13.
Bxe5 (13. Be2 $5 $14) 13... dxe5 $11 {Opposite coloured bishops appeared.} 14.
Qc2 Re8 15. Rad1 {White threatens to win material: Rd1xd8} Qe7 16. g3 Qe6 {
Black threatens to win material: Qe6xc4. Black forks: c4+h3} 17. Kh2 (17. Qb3
$5 $11) 17... Qxc4 $17 18. Rd6 Rad8 19. Red1 Rxd6 20. Rxd6 b5 21. Be2 $4 (21.
Kg2 $142 $15 {would bring relief}) 21... Qc5 $19 22. Rxf6 (22. Qd3 {doesn't
change anything anymore} Qxf2+ 23. Kh1 Bf8 24. Rxc6 Bc5 $19) 22... Bxf6 23. Bd3
(23. Bd1 {a fruitless try to alter the course of the game} Rd8 24. Kg2 Bg5 $19)
23... b4 (23... Rd8 {makes it even easier for Black} 24. Kg2 Qd6 25. Bxb5 cxb5
26. Nd5 $19) 24. Na4 (24. Nd5 {the last chance for counterplay} Qd6 25. Ne3 $19
) 24... Qxc2 25. Bxc2 Rd8 26. Kg2 Rd2 27. Bb3 Be7 (27... Bd8 {and Black can
already relax} 28. Kf1 $19) 28. h4 (28. Kf3 {does not save the day} Rd4 $19)
28... Kg7 (28... Bd8 $5 {makes it even easier for Black} 29. Kf1 $19) 29. Kf3
f5 30. Ke3 Rd8 31. exf5 (31. h5 {hardly improves anything} Kf6 $19) 31... gxf5
32. Bc2 Kf6 33. b3 (33. Ke2 {does not help much} e4 $19) 33... Bf8 34. Ke2 h5 (
34... Bh6 $5 {seems even better} 35. Bb1 Rd2+ 36. Ke1 $19) 35. Ke1 (35. Nb2 {
does not improve anything} Bc5 36. Nc4 Ke6 $19) 35... f4 (35... Bh6 $5 {
might be the shorter path} 36. Bd1 Bd2+ 37. Kf1 $19) 36. gxf4 exf4 37. Nb2 Re8+
38. Kf1 f3 39. Bd1 Re4 40. Bxf3 Rxh4 41. Bxc6 Bc5 (41... Rd4 $5 {keeps an even
firmer grip} 42. Nc4 $19) 42. Nd3 Bb6 43. Kg1 (43. Ke2 $19 {a last effort to
resist the inevitable}) 43... Rd4 44. Bb5 h4 (44... Kf5 $5 {seems even better}
45. Kf1 $19) 45. Kg2 Kg5 46. Kf3 (46. Ba6 {doesn't get the bull off the ice}
Kf5 $19) 46... Bc7 47. Kg2 Kg4 48. f3+ Kg5 49. Kh3 a5 (49... Bg3 $142 $5 {
and Black can already relax} 50. Kg2 $19) 50. Nc5 Rd1 {Loses material} (50...
Kf5 $142 {and Black wins} 51. Nd3 Bg3 $19) 51. Ne6+ $15 {White forks: c7} Kf5
52. Nxc7 Ra1 {Black threatens to win material: Ra1xa2} (52... Rh1+ $5 {is
worth looking at} 53. Kg2 Ra1 $15) 53. Kxh4 $11 Rxa2 54. Nd5 (54. Kg3 $142 $11)
54... Rf2 $4 {gives the opponent new chances} (54... Ke5 $142 {was possible}
55. Nb6 Kf4 $11) 55. Kg3 $18 Rb2 56. Ba4 Ke5 (56... Re2 57. Nb6 Re5 58. Nc4 $18
) 57. Ne3 Kd4 58. Nc4 Ra2 59. Nxa5 Kc3 60. Nc6 $4 {simply marches past the
door to victory} (60. f4 $142 {secures victory} Kd4 61. Kg4 $18) 60... Rxa4 $1
$19 {takes home the point} 61. bxa4 (61. Kf4 $19 {hoping against hope}) 61...
b3 62. a5 b2 63. a6 b1=Q 64. a7 1/2-1/2

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "5.7"]
[White "IKEDA, Naoto"]
[Black "KOYAHATA, Taku"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1317"]
[BlackElo "1391"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "48"]
[SourceDate "2018.03.25"]

{D37: Queen's Gambit Declined: 5 Bf4} 1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Be7
5. Bf4 Bd6 $146 (5... dxc4 6. e3 Nd5 7. Bxc4 Nxf4 8. exf4 O-O 9. Bd3 Nd7 10.
Qe2 Nf6 11. O-O-O Nd5 12. Nxd5 exd5 13. Ne5 Bd6 14. h4 Qf6 15. Qf3 Bf5 16. g3
c6 17. Kb1 Rfe8 18. h5 Re7 19. g4 Bxd3+ 20. Rxd3 {Youngworth,P (2290)-Raicevic,
V (2390) Lone Pine 1980 0-1 (39)}) (5... a6 6. c5 (6. e3 dxc4 7. Bxc4 b5 8. Be2
Bb7 9. O-O Nbd7 10. Ne5 Nxe5 11. Bxe5 O-O 12. Bf3 Bxf3 13. Qxf3 c5 14. dxc5 Nd7
15. Bg3 Nxc5 16. Rfd1 Qa5 17. Ne4 {1/2-1/2 (17) Kindermann,S (2455)-Kurajica,B
(2495) Dortmund 1981}) 6... Nc6 (6... Nh5 7. Bg3 O-O 8. e3 Nd7 9. Bd3 g6 10.
Rc1 c6 11. a3 Nxg3 12. hxg3 f5 13. b4 Bf6 14. Ne2 e5 15. dxe5 Nxe5 16. Ned4 Ng4
17. a4 Re8 18. O-O Bd7 19. b5 axb5 20. axb5 h5 21. Qc2 {McClintock,D (2380)
-Barkan,O (2225) Los Angeles 1982 1-0 (45)}) 7. a3 O-O 8. e3 Nh5 9. Bd3 Nxf4
10. exf4 Bf6 11. Ne2 g6 12. h4 b6 13. b4 bxc5 14. bxc5 h5 15. Qc2 Ne7 16. O-O
a5 17. g3 Ba6 18. Bxa6 Rxa6 19. Rab1 Qa8 20. Rb2 {Malaniuk,V (2600)-Asrian,K 
(2555) Krasnodar 1998 1-0 (41)}) (5... Nh5 6. Be5 f6 7. Bg3 Nxg3 8. hxg3 dxc4
9. e3 Nd7 10. Bxc4 Nf8 11. Qc2 c6 12. O-O-O Qc7 13. Bd3 g6 14. g4 Rg8 15. Ne4
Qa5 16. Kb1 Bd7 17. g5 fxg5 18. Ne5 Rg7 19. Nc5 Bc8 20. Be4 {Sarosi,Z (2367)
-Biro,P (2199) Hungary 2000 1-0}) 6. Bxd6 Qxd6 7. e3 O-O 8. Bd3 c5 9. O-O Nc6
10. dxc5 Qxc5 11. cxd5 exd5 12. Rc1 Qe7 13. Qc2 Be6 14. Rfd1 Nb4 {Black
threatens to win material: Nb4xc2} 15. Qb1 Nxd3 16. Rxd3 {[%cal Rc3d5,Rd3d5,
Ge6d5,Gf6d5] Attacks the isolani on d5} (16. Qxd3 Rac8 $14) 16... g6 (16... Bf5
17. Nd4 Bxd3 18. Qxd3 $17) 17. Rcd1 (17. Rdd1 $142 $14 {would allow White to
play on}) 17... Bf5 $17 18. Nxd5 $4 {further deteriorates the position.} (18.
h3 $142 $17) 18... Nxd5 $19 19. e4 (19. Nd4 {there is nothing else anyway} Bxd3
20. Qxd3 $19) 19... Bxe4 20. Re1 (20. Qa1 {cannot change what is in store for
White} Bxd3 21. Rxd3 Rfd8 $19) 20... Bxd3 21. Qxd3 Qc5 22. Re5 (22. g3 {
cannot change destiny} Rfe8 23. Rd1 Nb4 $19) 22... Rfd8 (22... Rad8 $142 {
seems even better} 23. g3 Qc1+ 24. Re1 Qxb2 25. Qb1 $19) 23. Qe4 (23. h3 {
doesn't get the cat off the tree} Qc1+ 24. Kh2 Nf6 $19) 23... Nf6 (23... f6
$142 {finishes off the opponent} 24. Re6 Nc7 25. g3 Nxe6 26. Qxe6+ Kg7 27. a3
$19) 24. Qh4 (24. Qe1 {no good, but what else?} Rd5 25. Rxd5 Qxd5 26. h3 $19)
24... Qxe5 $1 {Mate attack} (24... Qxe5 25. g3 Rd1+ 26. Kg2 Qe2 27. Ne5 Qf1+
28. Kf3 Qh1+ 29. Ke3 Nd5+ 30. Ke2 Re8 31. Qg5 Rd4 32. f3 Rd1 33. Qxg6+ hxg6 34.
h4 Qe1#) 0-1

[Event "HokkaidoCh2018"]
[Site "?"]
[Date "2018.03.25"]
[Round "5.8"]
[White "WILLIAMS, Richard"]
[Black "WATANABE, Katsumi"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1209"]
[BlackElo "1657"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "88"]
[SourceDate "2018.03.25"]

{A17: English Opening: 1...Nf6 with ...Bb4} 1. c4 Nf6 2. Nc3 e6 3. g3 Bb4 4.
Nf3 O-O 5. a3 (5. Qb3 Bxc3 6. Qxc3 b6 7. Bg2 Bb7 8. O-O d6 9. b3 Nbd7 10. Bb2
c5 11. d4 Qe7 12. Rad1 Be4 13. Bh3 d5 14. dxc5 Nxc5 15. Ne5 dxc4 16. Nxc4 Rfd8
17. f3 Bb7 18. Qe5 Rxd1 19. Rxd1 Rd8 {Roiz,M (2658)-Bosiocic,M (2551) Zuerich
2009 1/2-1/2 (37)}) 5... Bxc3 6. dxc3 $146 (6. bxc3 b6 (6... Re8 7. Bg2 e5 8.
O-O c6 9. d3 d5 10. cxd5 cxd5 11. Bg5 Nbd7 12. Nd2 h6 13. Bxf6 Nxf6 14. c4 Be6
15. Rb1 Qd7 16. Qb3 b6 17. Qb5 Rad8 18. Rfc1 Bg4 19. Qxd7 Rxd7 20. Kf1 dxc4 21.
Bc6 {Zhang,Z (2209)-Zhao,J (2521) Xiapu 2005 1/2-1/2}) 7. Bg2 Bb7 8. O-O d6 9.
d3 c5 10. Bg5 h6 11. Bd2 Nc6 12. Qc2 Qd7 13. e4 Rad8 14. Rae1 Na5 15. Nh4 Bc6
16. f4 Ba4 17. Qb2 Nb3 18. Be3 Ng4 19. f5 Nxe3 20. Rxe3 b5 {Sliwa,B (2370)
-Boehlig,H (2450) Warsaw 1978 1-0 (33)}) 6... b6 7. Bg5 Bb7 8. Bg2 d6 {
Prevents intrusion on e5} 9. O-O Nbd7 10. Bxf6 Qxf6 11. Qd3 Nc5 12. Qd4 Qxd4 (
12... e5 13. Qe3 $15) 13. Nxd4 Bxg2 14. Kxg2 e5 {Black threatens to win
material: e5xd4} 15. Nb5 (15. Nf5 $5 $11 {is interesting}) 15... Rfc8 $17 16.
a4 a6 17. Na3 Nxa4 18. Ra2 f6 19. e4 Nc5 20. f3 Kf7 21. Nc2 a5 22. Ra3 Re8 23.
Rd1 g6 24. Na1 (24. b3 c6 $17) 24... f5 25. h4 $2 (25. exf5 $142 gxf5 26. Nb3
$17) 25... fxe4 $19 26. fxe4 Nxe4 27. Rf1+ Kg7 28. Nc2 (28. Re1 Nc5 $19) 28...
Nd2 29. Re1 Nxc4 30. Ra2 Rf8 (30... d5 $142 {might be the shorter path} 31. Na3
Nd6 32. Nc2 $19) 31. b3 Nd2 32. Ne3 $4 {the final mistake, not that it matters
anymore} (32. Na1 Nf3 33. Re3 $19) 32... Nxb3 33. Nd5 Rf7 34. Rf2 (34. c4 {
doesn't improve anything} Nc5 $19) 34... Raf8 (34... Rxf2+ $142 {and Black can
already relax} 35. Kxf2 Ra7 $19) 35. Ref1 (35. Rb2 {is not the saving move} Nc5
36. Ra2 Kh6 $19) 35... a4 (35... Rxf2+ $142 {ends the debate} 36. Rxf2 Rxf2+
37. Kxf2 $19) 36. Rxf7+ Rxf7 37. c4 (37. Re1 $19 {is still a small chance})
37... Rxf1 38. Kxf1 Nd2+ 39. Ke2 Nxc4 40. Kd3 a3 41. Nxc7 a2 42. Ne8+ Kf7 43.
Kxc4 (43. Nc7 {hardly improves anything} Na3 44. h5 a1=Q 45. Ke2 Qd4 46. hxg6+
hxg6 47. g4 Nc4 48. Nd5 Qxd5 49. Kf2 Qh1 50. Kg3 Qf1 51. Kh2 Ne3 52. Kg3 Qg2+
53. Kh4 Qxg4#) 43... Kxe8 44. Kd5 (44. g4 {doesn't do any good} a1=Q 45. Kd3
Qd4+ 46. Kc2 e4 47. h5 g5 48. Kb3 e3 49. Ka2 Qb4 50. Ka1 Qd2 51. Kb1 e2 52. h6
e1=Q#) 44... Kd7 (44... Kd7 45. Ke4 a1=Q 46. Kd3 Qd4+ 47. Ke2 e4 48. h5 Qd3+
49. Kf2 Qf3+ 50. Kg1 e3 51. hxg6 Qf2+ 52. Kh1 e2 53. gxh7 e1=Q#) (44... a1=Q
45. Kc6 Qa3 46. Kc7 Qc5+ 47. Kb7 Kd7 48. g4 Qc7+ 49. Ka6 Kc6 50. g5 Qb7#) 0-1

