[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "1.1"]
[White "SATO, Yasuji"]
[Black "SUGIMOTO, Koichi"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1585"]
[BlackElo "1982"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "86"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] B01: Scandinavian Defence} 1. e4 d5 2. Nf3 dxe4 3. Ng5 Bf5 (3...
Nf6 4. Bc4 e6 5. Nc3 a6 6. Ncxe4 Nc6 7. a4 Be7 8. d3 O-O 9. O-O Rb8 10. a5 Bb4
11. c3 Bxa5 12. d4 Bb6 13. Qc2 g6 14. Re1 Kg7 15. Nxf6 Qxf6 16. Ne4 Qd8 17. Qd2
f6 18. Qh6+ {Sequera Paolini,J (2413)-Higatsberger,M (2164) Lienz 2015 1-0 (37)
}) 4. Nc3 Nf6 5. Bc4 e6 6. O-O $146 (6. d3 Bb4 7. O-O Bg4 8. Qe1 exd3 9. Bxd3
Nbd7 10. f3 Bh5 11. Qh4 Bc5+ 12. Kh1 Ne5 13. Be2 Qd4 14. Qg3 Bg6 15. Nb5 Nh5
16. Qh3 Qd7 17. f4 h6 18. Rd1 Nd3 19. cxd3 hxg5 20. d4 Bb6 {Burgos Figueroa,C 
(2237)-Moreto Quintana,A (2153) Barbera del Valles 2007 1/2-1/2 (109)}) (6. Qe2
Qd4 (6... Nc6 7. Bb5 Qd7 8. Ngxe4 Nxe4 9. Nxe4 a6 10. Bxc6 Qxc6 11. d3 Bb4+ 12.
Bd2 Bxd2+ 13. Kxd2 O-O-O 14. Rae1 Rd4 15. f3 Rhd8 16. Nc3 b5 17. Qe3 b4 18. Ne2
R4d5 19. g4 Bxd3 20. cxd3 Rxd3+ 21. Qxd3 {Remolar Gallen,J (2167)-Roca Galarza,
J (2338) Mislata 2012 1/2-1/2 (54)}) 7. Nb5 Qb6 8. Nc3 Bg4 9. f3 exf3 10. gxf3
Bf5 11. d3 h6 12. Nge4 Nbd7 13. Bd2 O-O-O 14. O-O-O Be7 15. Rhg1 Rhg8 16. Be3
Qa5 17. Bd2 Qb6 18. Be3 c5 19. Qf2 Qa5 20. Kb1 a6 {Jovanovic,Z (2330)
-Milanovic,D (2480) playchess.com INT 2005 1-0 (37)}) (6. Qe2 $5 $17) 6... h6
7. Nh3 Bd6 8. d3 exd3 9. Bxd3 Bxh3 10. gxh3 Nc6 11. Ne4 O-O (11... Qe7 12. Qe2
$17) 12. Ng3 (12. Qf3 Nd5 $17) 12... Ne5 13. f4 (13. Be2 $5 $17) 13... Nxd3 $19
14. Qxd3 Bc5+ 15. Kh1 (15. Kg2 Qxd3 16. cxd3 Rad8 $19) 15... Qxd3 16. cxd3 Rad8
17. Rf3 Rd5 18. Be3 $2 (18. Rb1 $19) 18... Rxd3 19. Bxc5 (19. Re1 {is not much
help} Nd5 20. Nf1 Rd8 $19) 19... Rxf3 20. Bxf8 Kxf8 21. Rd1 (21. f5 {doesn't
change the outcome of the game} exf5 22. Kg2 Rd3 23. Nxf5 Rd2+ 24. Kg1 Rxb2 $19
) 21... Ke7 (21... Rf2 $5 {keeps an even firmer grip} 22. b3 $19) 22. f5 Rf2
23. Re1 (23. fxe6 {cannot change what is in store for White} fxe6 24. Rb1 g6
$19) 23... Rxb2 24. fxe6 fxe6 25. Nf5+ (25. a4 {cannot undo what has already
been done} Kd7 $19) 25... Kf7 26. Nd4 Rb6 (26... c5 $5 {and Black can already
relax} 27. Nxe6 c4 28. Kg1 $19) 27. a4 (27. Nb3 {does not solve anything} g5
$19) 27... c5 28. a5 Ra6 29. Nb5 (29. Nb3 {doesn't improve anything} b6 30. Rc1
bxa5 $19) 29... Rxa5 30. Nd6+ Ke7 31. Nf5+ Kf7 (31... Kf8 $142 $5 {seems even
better} 32. Nd6 b6 33. Kg1 $19) 32. Nd6+ Kf8 33. Rxe6 (33. Nxb7 {is the last
straw} Rb5 34. Nd8 $19) 33... Ra6 34. Kg1 (34. Re5 {doesn't get the cat off
the tree} Rxd6 35. Rxc5 b6 36. Rc8+ Kf7 $19) 34... c4 $1 {Deflection: d6} 35.
Rxf6+ (35. Nxc4 Rc6 {Decoy Double attack} (35... Rxe6 {Deflection Pinning}))
35... gxf6 36. Nxc4 Ra2 (36... b5 37. Nd2 b4 38. Kf1 Ra2 39. Ke2 Rxd2+ 40. Kxd2
f5 41. Kc2 a5 42. Kd3 f4 43. Ke4 a4 44. Kd3 a3 45. Kc2 a2 46. Kb2 b3 47. Kxb3
a1=Q 48. Kc4 f3 49. Kb4 Qd4+ 50. Ka3 f2 51. h4 Qc3+ 52. Ka2 f1=Q 53. h3 Qfa1#)
37. Nd6 b6 38. Nf5 (38. Nb5 $19 {hoping against hope}) 38... b5 39. Nd6 b4 40.
Ne4 b3 41. h4 (41. Kf1 {does not win a prize} Rc2 42. Ke1 b2 43. Nd2 Rxd2 44.
Kxd2 b1=Q 45. h4 Qb2+ 46. Kd3 Qf2 47. Kc3 Qe3+ 48. Kc4 Qf4+ 49. Kb3 Qd4 50. Kc2
Qc4+ 51. Kd2 Qb3 52. h3 a5 53. Ke2 a4 54. Kf2 a3 55. h5 a2 56. h4 a1=Q 57. Ke2
Qh1 58. Kf2 Qbf3#) 41... b2 (41... Rc2 42. Nf2 b2 43. Kg2 b1=Q 44. Kf3 Qb3+ 45.
Kf4 Rxf2+ 46. Ke4 Qd1 47. h3 Qd2 48. h5 Rf4#) 42. Nc3 (42. Nd2 {doesn't change
anything anymore} Ra1+ 43. Kf2 Rd1 44. Ke2 Rxd2+ 45. Kxd2 b1=Q 46. h5 Qf5 47.
Ke3 Qe5+ 48. Kd3 Qb5+ 49. Kd4 a5 50. Ke3 a4 51. Kf2 a3 52. h3 a2 53. Kg3 Qe2
54. Kf4 a1=Q 55. Kg3 Qae5+ 56. Kh4 Qf4#) 42... Ra1+ (42... Ra3 43. Nb1 Ra1 44.
Kf2 Rxb1 45. h5 Rc1 46. Ke3 b1=Q 47. Kd4 Rd1+ 48. Ke3 Qd3+ 49. Kf4 Rc1 50. Kg4
Rc4#) 43. Kf2 Rc1 (43... Rc1 44. Ne4 b1=Q 45. Ke3 Re1+ 46. Kd2 Rxe4 47. h5 Qb3
48. h4 Qh3 49. Kc2 Re2+ 50. Kd1 Qf1#) 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "1.2"]
[White "YOSHII, Yukihiko"]
[Black "KOYAHATA, Taku"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "1820"]
[BlackElo "1425"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "49"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] A54: Old Indian Defence with Nf3, but without e4} 1. c4 e5 2. Nc3
Nf6 3. Nf3 d6 4. d4 exd4 5. Nxd4 Nbd7 $146 (5... g6 6. g3 (6. Bg5 Bg7 7. e3 h6
8. Bh4 Nc6 9. Nxc6 bxc6 10. Be2 Rb8 11. Qc2 O-O 12. O-O Re8 13. Rac1 c5 14. Bf3
Bf5 15. e4 Bd7 16. Bg3 Qc8 17. Rfe1 {1/2-1/2 (17) Kaidanov,G (2605)-Martin Del
Campo C,R (2445) Dallas 1996}) 6... Bg7 (6... Nc6 7. Nxc6 bxc6 8. Bg2 Bd7 9.
Bg5 Bg7 10. Qd2 O-O 11. O-O Re8 12. Rad1 Qc8 13. Rfe1 Bh3 14. Bxc6 Rb8 15. Bxe8
Qxe8 16. b3 Qe5 17. e4 Bg4 18. Rc1 h6 19. Bxh6 Qh5 20. Bxg7 Kxg7 21. h4 {
Haslinger,S (2410)-Ankerst,M (2362) Dos Hermanas 2004 1-0}) 7. Bg2 O-O 8. O-O
Nbd7 (8... a6 9. b3 Re8 10. Bb2 Nbd7 11. Re1 Rb8 12. Qd2 c5 13. Nc2 Nb6 14. e4
Be6 15. Rad1 Bf8 16. h3 Na8 17. Ne3 Nc7 18. Qc2 Qe7 19. f4 Bg7 20. Qf2 b5 21.
f5 Bd7 22. g4 g5 23. Qd2 {Kubien,J (2305)-Dzieniszewski,A (2230) Tarnow 1979
1-0 (41)}) 9. b3 Re8 10. Bb2 c6 11. Rb1 a5 12. e3 Nc5 13. a3 Qb6 14. Ba1 Ng4
15. h3 Nxe3 16. fxe3 Rxe3 17. Kh2 Rd3 18. Qe2 Qd8 19. Ne4 Bxd4 20. Nxc5 {
Christiansen,L (2500)-Henley,R (2340) Lone Pine 1978 1/2-1/2 (50)}) (5... Bd7
6. g3 Nc6 7. Bg2 Qc8 8. h3 Be7 9. Be3 O-O 10. Rc1 Re8 11. a3 Ne5 12. Qb3 Rb8
13. Nd5 Bd8 14. Nb5 Bxb5 15. cxb5 c5 16. O-O Qe6 17. Rfd1 Nxd5 18. Rxd5 Nd7 19.
Qd1 Bc7 20. Rd2 {Vigh,B (2340)-Peisser,M (2250) Hartberg 1991 1-0 (37)}) 6. e4
{Black has a cramped position. Black's piece can't move: c8} Nc5 {Black
threatens to win material: Nc5xe4} 7. Qc2 Nfxe4 $2 (7... a5 $142 $14 {is the
best option Black has}) 8. Nxe4 $18 Qe7 9. Bd3 $4 {weakening the position} (9.
f3 $5 a6 $18) 9... Nxe4 $2 (9... f5 $142 {and Black is still in the game} 10.
Kd1 Nxd3 $11) 10. Bxe4 $16 f5 11. O-O fxe4 (11... Qxe4 $142 $5 12. Qc3 Kf7 $16)
12. Re1 $18 Qf7 $4 {a blunder in a bad position} (12... Kf7 $142 13. Rxe4 Qd8
$18) 13. Qxe4+ Be7 14. Bg5 O-O 15. Bxe7 Qxf2+ 16. Kh1 Re8 (16... Rf7 {hardly
improves anything} 17. Qd5 Bg4 18. Qxb7 $18) 17. Rf1 (17. Qd5+ $142 {makes it
even easier for White} Qf7 18. Nb5 $18) 17... Qxd4 (17... Qxb2 {there is
nothing better in the position} 18. Rab1 Qd2 $18) 18. Qxd4 Rxe7 19. Rf2 (19.
Qh4 $142 $5 {might be the shorter path} Re8 20. Rae1 Be6 $18) 19... Be6 20.
Raf1 Rae8 21. b3 b6 22. h3 h6 (22... a5 {a fruitless try to alter the course
of the game} 23. Re1 $18) 23. a4 a6 24. Qd3 Bf7 25. Rxf7 $1 {Mate threat} (25.
Rxf7 Rxf7 26. Qd5 $18) 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "1.3"]
[White "ITO, Katsuhide"]
[Black "DRAKAKIS, Athanasios"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1321"]
[BlackElo "1816"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "72"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] B01: Scandinavian Defence} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4
Nf6 5. Bd2 e6 $146 {Prevents intrusion on d5} (5... Nc6 6. Bb5 Kd8 (6... Qb4 7.
d5 a6 8. Be2 Nd4 9. Nb5 Qc5 10. Nxd4 Qxd4 11. c4 Ne4 12. Be3 Qxb2 13. Kf1 e5
14. Bf3 Nc3 15. Qe1 Qb4 16. Rc1 Nxa2 17. Bd2 Qb2 18. Rb1 Qd4 19. Bd1 Bf5 20.
Rxb7 Qxc4+ 21. Ne2 {Engstrom,K (2255)-Hammargren,P (2225) Sweden 1994 1-0 (39)}
) 7. Bxc6 bxc6 8. Nf3 Bg4 9. h3 Qh5 10. Qe2 e6 11. O-O-O Bxf3 12. gxf3 a5 {
1/2-1/2 (12) Maric,M (2265)-Richtrova,E (2370) Biel 1988}) (5... Qb6 6. Nf3 (6.
Nge2 c6 7. Na4 Qc7 8. Bf4 Qa5+ 9. c3 Bg4 10. Nc5 Nd5 11. Nb3 Qd8 12. Bg3 e6 13.
Qd2 Be7 14. Nbc1 Bg5 15. f4 Bh4 16. Nd3 Nd7 17. O-O-O Bxg3 18. hxg3 N7f6 19.
Nf2 Qa5 20. Kb1 Bf5+ {Hernandez Onna,R (2430)-Rodrigues,A (2260) Buenos Aires
1992 0-1 (38)}) 6... c6 (6... Bg4 7. Bc4 e6 8. Qe2 Bxf3 9. gxf3 Nc6 10. Na4
Qxd4 11. O-O-O Qe5 12. Be3 a6 13. Nc3 g6 14. Rhg1 h6 15. f4 Qh5 16. Qf1 Bg7 17.
Rg3 O-O 18. Rh3 Qa5 19. Bd2 Qc5 20. Be3 Qe7 21. f5 {Levushkina,E (2255)-Dann,M
(2200) Germany 2009 0-1 (42)}) 7. Bc4 Bf5 8. Qe2 e6 9. O-O-O Bb4 10. Ne5 Nbd7
11. Nxd7 Nxd7 12. d5 Bxc3 13. Bxc3 cxd5 14. Rxd5 O-O-O 15. Rdd1 Nf6 16. f3 h5
17. b3 Qc5 18. Kb2 Rhg8 19. a4 Nd5 20. Bd4 {Kramnik,V (2764)-Malakhov,V (2695)
Paris 2004 1-0 (48)}) 6. Bd3 c6 {Consolidates b5} 7. Nf3 {Black is behind in
developement} Qh5 (7... Be7 8. O-O $14) 8. Be2 Qa5 9. Ne4 $1 {Discovered
attack: c3, Bd2xa5} Qd8 (9... Nxe4 10. Bxa5 {Discovered attack}) 10. Bg5 (10.
Nxf6+ Qxf6 11. Bg5 Qf5 $16) 10... Be7 11. Nxf6+ Bxf6 12. Bxf6 {White forks:
g7+d8} Qxf6 13. Ne5 O-O 14. O-O c5 15. Ng4 (15. c3 $5 $14) 15... Qxd4 $11 16.
Qxd4 cxd4 17. Ne5 f6 {Black threatens to win material: f6xe5} 18. Nc4 Nc6 19.
Bd3 Rd8 20. Rad1 e5 21. f4 Be6 (21... exf4 22. Rxf4 Be6 23. a4 $17) 22. Rde1 (
22. fxe5 b5 23. Na3 Nxe5 24. Bxb5 a6 $15) 22... b5 $17 23. Nd2 a6 24. Nf3 Bd5
25. fxe5 Bxf3 26. Rxf3 Nxe5 27. Rf5 Rd6 28. b3 Rc8 29. a4 (29. Be4 Ng4 $17)
29... b4 (29... Nxd3 30. cxd3 b4 31. Rb1 $19) 30. Rf2 $2 (30. Rfxe5 $142 fxe5
31. Rxe5 $17) 30... Nxd3 $19 31. cxd3 Rc3 32. Re8+ Kf7 33. Rfe2 (33. Rb8 Rxb3
34. Rb7+ Ke6 $19) 33... Rd7 34. Ra8 Rxd3 35. Rxa6 Rxb3 36. a5 (36. Rd2 Ra3 37.
Rb6 Rxa4 38. Kf2 $19) 36... d3 (36... d3 37. Rd2 Rc3 $19) 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "1.4"]
[White "NISHIMORI, Toshiyuki"]
[Black "TAKEUCHI, Hiroshi"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1797"]
[BlackElo "1248"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "109"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} 1. e4 e6 2. d4
d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 h6 (5... a6 6. Bd3 b5 7. Ne2 c5 8. c3 Nc6 9.
O-O Be7 10. Re1 c4 11. Bc2 Nf8 12. a4 Bd7 13. Nf4 b4 14. cxb4 Nxb4 15. Nh5 Rg8
16. b3 Nxc2 17. Qxc2 Rc8 18. Ba3 Bxa3 19. Rxa3 Qe7 20. Raa1 {Tatar Kis,S (2376)
-Barva,A (2417) Hungary 2001 1-0 (52)}) 6. Bd3 (6. Ne2 b6 7. Nf4 Ba6 8. Bxa6
Nxa6 9. O-O Qe7 10. Qe2 Ndb8 11. c4 c6 12. cxd5 cxd5 13. Bd2 Nc7 14. Rfc1 Nba6
15. Rc6 Qd7 16. Rac1 Be7 17. b4 Rc8 18. Nh5 Nb8 19. R6c3 Kf8 20. Qd3 b5 {
Perez Ponsa,F (2489)-Aparicio,A (2223) La Plata 2012 0-1 (48)}) 6... Bb4 $146 (
6... c5 7. dxc5 Nxc5 8. O-O Nc6 9. Bf4 (9. Qe2 a6 10. a3 b5 11. b4 Nd7 12. Re1
Nb6 13. Nd2 Qc7 14. Nb3 Nc4 15. f4 g6 16. Kh1 Ne7 17. Nd1 Bb7 18. c3 h5 19. Ne3
Nb6 20. Bd2 Nf5 21. Nxf5 gxf5 22. Nd4 Bc8 23. Rf1 Be7 {Sargac,R (2208)-Macek,V
(2214) Rijeka 2005 1/2-1/2 (81)}) 9... a6 10. Bg3 b5 11. Ne2 Qb6 12. c3 a5 13.
Ned4 Ba6 14. Bc2 Rc8 15. Nxc6 Qxc6 16. Nd4 Qb6 17. f4 g6 18. Bh4 b4 19. Rf2 Be7
20. Qg4 Bxh4 21. Qxh4 {Milliet,S (2173)-Macek,V (2222) Saint Vincent 2002 1/
2-1/2 (49)}) (6... c5 7. dxc5 Nc6 8. O-O $11) 7. Bd2 Nc6 {Black's piece can't
move: c8} (7... c5 8. a3 Bxc3 9. Bxc3 $11) 8. a3 $14 {White threatens to win
material: a3xb4} Be7 9. O-O O-O 10. Ne2 Nb6 11. b3 {Black has a cramped
position} Bd7 12. c3 a5 13. a4 Be8 14. Ng3 (14. Re1 f5 $16) 14... f5 15. exf6
Bxf6 16. h3 (16. Re1 $16) 16... Kf7 $2 (16... e5 $142 $5 {and Black can hope
to live} 17. dxe5 Nxe5 $14) 17. Re1 $16 Ke7 18. Bf4 Kd7 19. Qe2 Qe7 20. Bc1 Rh8
21. Bb5 Bg6 22. Ne5+ Bxe5 23. Qxe5 Rae8 24. Bf4 Qd8 $4 {simply worsens the
situation} (24... Kc8 $142 25. Qe2 Qd7 $16) 25. Qxg7+ $18 Bf7 (25... Qe7 {
doesn't do any good} 26. Qxg6 Rhg8 27. Qxh6 $18) 26. Qxf7+ Kc8 27. Rxe6 (27.
Nh5 $5 {keeps an even firmer grip} Re7 28. Qg6 Rg8 29. Qxh6 Rh8 $18) 27... Ref8
28. Qxc7+ (28. Qg6 $142 {might be the shorter path} Rxf4 29. Rxc6 Rff8 $18)
28... Qxc7 29. Bxc7 Kxc7 30. Bxc6 bxc6 31. Rae1 Nd7 32. Re7 Rb8 33. Rb1 (33.
Nf5 {keeps an even firmer grip} Rxb3 34. Rg7 h5 $18) 33... Rhf8 (33... Rbe8 {
cannot change what is in store for White} 34. Rxe8 Rxe8 35. Nf5 $18) 34. Ne2 (
34. f3 {and White can already relax} Rg8 35. Kf2 Rh8 $18) 34... Rf6 (34... Rfe8
{does not save the day} 35. Rxe8 Rxe8 36. Nf4 $18) 35. f3 Rg8 36. Kf2 Rfg6 (
36... Kd6 {does not improve anything} 37. Rh7 $18) 37. Rg1 (37. Nf4 $5 {
seems even better} Rf6 38. Nh5 Rfg6 $18) 37... Kd6 38. Rf7 Re8 (38... Rf6 {
doesn't do any good} 39. Rxf6+ Nxf6 40. Ng3 $18) 39. Rh7 (39. Nf4 $142 $5 {
makes it even easier for White} Rgg8 40. Rh7 Rh8 $18) 39... Rge6 40. Nf4 Rf6
41. Nh5 Rfe6 42. Ng3 Kc7 43. f4 Re3 (43... Kd8 {cannot change destiny} 44. f5
Nf6 45. fxe6 Nxh7 46. Re1 $18) 44. Rc1 Rg8 (44... R3e6 $18 {no good, but what
else?}) 45. Kxe3 Rxg3+ 46. Kf2 Rd3 (46... Rg6 {is not the saving move} 47. f5
Rg5 48. g4 $18) 47. f5 Rd2+ 48. Kf3 h5 (48... c5 49. Re1 Rd3+ 50. Kf4 cxd4 51.
Ree7 Kc6 52. Rxd7 Rxc3 53. f6 Re3 54. f7 Re1 55. Rc7+ Kb6 56. Rc8 Re4+ 57. Kg3
Re3+ 58. Kh2 Re7 59. f8=Q Rxh7 60. Qd6+ Ka7 61. Qb8+ Ka6 62. Rc6#) 49. f6 Kd6
50. Rxd7+ $1 {puts the final touch} Kxd7 51. Re1 Rd3+ 52. Kf4 (52. Kf2 Rxc3 53.
f7 Rc1 54. f8=Q Rxe1 55. Kxe1 Ke6 56. g4 hxg4 57. hxg4 c5 58. dxc5 Kd7 59. Qf7+
Kc6 60. Qe7 d4 61. Qd6+ Kb7 62. Qd7+ Kb8 63. c6 Ka8 64. Qb7#) 52... Rd2 $18 53.
Kg5 (53. Kg3 Rd3+ 54. Kh2 Rd2 55. Kg1 Rd1 56. Rxd1 Ke6 57. Rf1 Kf7 58. h4 c5
59. Kh1 cxd4 60. cxd4 Kg8 61. f7+ Kf8 62. Kg1 Ke7 63. f8=Q+ Kd7 64. Rf7+ Kc6
65. Qc5#) 53... Rxg2+ (53... Rf2 54. g4 Rf3 55. gxh5 Rg3+ 56. Kf4 $18) 54. Kxh5
Rh2 55. Re3 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "1.5"]
[White "NAKAMURA, Mitsuru"]
[Black "BRINKMANN, Leonard"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1125"]
[BlackElo "1762"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "82"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] D37: Queen's Gambit Declined: 5 Bf4} 1. d4 d5 2. c4 Nc6 3. Nf3 e6
4. Nc3 Be7 $146 (4... Bb4 5. Bf4 (5. Bg5 Nge7 6. e3 f6 7. Bf4 O-O 8. a3 Bxc3+
9. bxc3 Na5 10. Nd2 b6 11. cxd5 exd5 12. Be2 Be6 13. O-O Qd7 14. Qc2 Rac8 15.
Ba6 Rcd8 16. c4 c6 17. c5 Bf5 18. Qc3 Ra8 19. Ra2 Qd8 {Rychagov,A (2575)
-Dmitriev,I (2380) Saratov 2006 1-0 (50)}) 5... Nge7 6. e3 (6. Bg3 Nf5 7. e3 h5
8. Bf4 Bd7 9. cxd5 exd5 10. Qb3 Qe7 11. Be2 f6 12. h4 O-O-O 13. Kf1 Be6 14. Rc1
Bxc3 15. Rxc3 Nd6 16. Ba6 Qd7 17. Bxd6 cxd6 18. Bb5 Kc7 19. Qa4 Ra8 20. Ke2
Rhb8 {Thompson,I (2195)-Wikner,A (2281) Stockholm 2015 1-0}) 6... dxc4 7. Bxc4
Nd5 8. Rc1 Bxc3+ 9. bxc3 Nxf4 10. exf4 Qd6 11. Qd2 O-O 12. O-O b6 13. Ne5 Bb7
14. Rfe1 Nxe5 15. fxe5 Qe7 16. Qf4 c5 17. Rcd1 Rfd8 18. dxc5 Qxc5 19. h4 {
Bocharov,D (2614)-Dmitriev,I (2310) Voronezh 2007 1/2-1/2 (39)}) (4... Nge7 5.
Bf4 Ng6 6. Bg3 dxc4 7. e4 (7. e3 Bd6 8. Bxc4 O-O 9. a3 a6 10. Rc1 e5 11. Ne4
Bg4 12. Nxd6 cxd6 13. dxe5 dxe5 14. Qxd8 Raxd8 15. Ng5 Nge7 16. h3 Bh5 17. Ne4
Nf5 18. Bh2 Nd6 19. Bd5 Nxe4 20. Bxe4 f6 21. O-O Rd2 {Pogorelov,R (2440)
-Garcia Caballero,L (2275) Las Palmas 1997 1-0 (63)}) 7... Na5 8. Qa4+ c6 9. b4
cxb3 10. axb3 f5 11. exf5 exf5 12. Kd2 f4 13. Bd3 fxg3 14. hxg3 Kf7 15. Qxa5
Qxa5 16. Rxa5 Bb4 17. Ra4 Bxc3+ 18. Kxc3 Kf6 19. Ne5 {Cramling,P (2520)-Garcia
Caballero,L (2275) Las Palmas 1997 1-0 (56)}) 5. e3 Nf6 6. Bd3 O-O 7. O-O Nb4
8. Be2 a5 9. a3 Na6 10. c5 {White gains space} Qe8 11. Bb5 {White threatens to
win material: Bb5xe8} Bd7 {Black threatens to win material: Bd7xb5} 12. Be2 Kh8
(12... Bc8 $5 $11 {is worthy of consideration}) 13. Qc2 $14 b6 14. cxb6 cxb6
15. Bd2 Nc7 16. a4 Rc8 17. b3 (17. Ne5 Bb4 $16) 17... b5 18. Qb2 b4 {Black
wins space} 19. Nb5 (19. Nd1 $142 $5 $11 {would keep White alive}) 19... Nxb5
$17 20. axb5 Bxb5 21. Bxb5 Qxb5 22. Qa2 Bd8 23. Ne5 (23. Rfc1 Bb6 $17) 23...
Ne4 $19 24. Bc1 $4 {the pressure is too much, White crumbles} (24. f3 $142 Nxd2
25. Qxd2 $19) 24... f6 25. Nf3 Bb6 (25... Nc3 $142 {it becomes clear that
Black will call all the shots} 26. Qb2 Ne2+ 27. Kh1 Ng3+ 28. hxg3 Qxf1+ 29. Kh2
Qd1 $19) 26. Qb2 Qd3 27. Ne1 Qc3 28. Qa2 h6 29. f3 Nd6 30. Bd2 Qc7 (30... Qc6
31. Nd3 $19) 31. Nd3 Qc2 32. Ne1 (32. Qxc2 Rxc2 33. Rfd1 Kg8 $17) 32... Qxa2
33. Rxa2 e5 34. Nd3 (34. dxe5 fxe5 35. Nd3 $19) 34... exd4 $19 35. exd4 Bxd4+
36. Kh1 Bb6 (36... Nb7 37. Rd1 $19) 37. Bf4 $2 (37. Nf4 $142 Rfd8 38. Nxd5 $17)
37... Nb5 $19 38. Bd2 Nd4 (38... Rfe8 $142 $19 {might be the shorter path}) 39.
Re1 (39. Be3 Rc3 40. Bxd4 Bxd4 41. Nf4 $19) 39... Nxb3 40. Re6 (40. Rb1 {
cannot undo what has already been done} Nxd2 41. Rxd2 Rc4 $19) 40... Bd4 41.
Rxa5 (41. Bf4 {a last effort to resist the inevitable} g5 42. g3 gxf4 43. Nxf4
Rc1+ 44. Kg2 $19) 41... Nxa5 (41... Nxa5 42. Bxb4 Rfe8 43. Rxe8+ Rxe8 44. Bxa5
Ra8 $19) 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "1.6"]
[White "WATANABE, Katsumi"]
[Black "ABE, Takahiro"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1705"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "49"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] D07: Queen's Gambit: Chigorin Defence} 1. d4 d5 2. c4 e6 3. Nf3
Nc6 4. e3 (4. Nc3 Bb4 5. Bf4 Nge7 6. e3 dxc4 7. Bxc4 Nd5 8. Rc1 Bxc3+ 9. bxc3
Nxf4 10. exf4 Qd6 11. Qd2 O-O 12. O-O b6 13. Ne5 Bb7 14. Rfe1 Nxe5 15. fxe5 Qe7
16. Qf4 c5 17. Rcd1 Rfd8 18. dxc5 Qxc5 {Bocharov,D (2614)-Dmitriev,I (2310)
Voronezh 2007 1/2-1/2 (39)}) 4... Be7 $146 (4... Bb4+ 5. Bd2 a5 6. Bxb4 axb4 7.
Nbd2 Nge7 8. Bd3 O-O 9. Qc2 f5 10. g3 b6 11. O-O Bb7 12. Rfc1 Qe8 13. Qd1 Ra7
14. c5 Qa8 15. Qb3 Rb8 16. cxb6 cxb6 17. Ne5 Nxe5 18. dxe5 Nc6 19. Nf3 {
Panno,O (2585)-Planinec,A (2525) Madrid 1973 0-1 (55)}) 5. Be2 Nf6 6. O-O O-O
7. a3 {Secures b4} e5 (7... dxc4 $142 $5 {should be considered} 8. Bxc4 Bd6 $14
) 8. dxe5 $16 Ng4 9. cxd5 Ncxe5 10. Nc3 (10. Nxe5 Nxe5 11. f4 Ng6 $16) 10... a6
(10... Nxf3+ 11. Bxf3 f5 12. g3 $16) 11. Qc2 (11. Nd4 Nf6 12. e4 Bc5 $16) 11...
g6 (11... Nxf3+ 12. Bxf3 Bd6 13. g3 $16) 12. e4 (12. Nd4 c5 13. dxc6 Nxc6 14.
Nxc6 bxc6 $16) 12... c6 (12... Nxf3+ $5 13. gxf3 Nf6 $16) 13. h3 Nf6 $4 {
Black crumbles in face of a dire situation} (13... Nxf3+ $142 14. Bxf3 Ne5 $18)
14. Nxe5 Qd6 (14... cxd5 {the last chance for counterplay} 15. exd5 Nd7 16.
Nxd7 Bxd7 $18) 15. Bf4 cxd5 (15... Ne8 $18 {praying for a miracle}) 16. Nxg6 $1
{Discovered attack: e5, Bf4xd6} Qe6 (16... fxg6 17. Bxd6 {Discovered attack}) (
16... hxg6 17. Bxd6 {Discovered attack}) 17. exd5 (17. Nxe7+ {seems even better
} Qxe7 18. e5 Ne8 19. Nxd5 Qe6 $18) 17... Nxd5 (17... Qd7 {is no salvation} 18.
Nxf8 Bxf8 19. Na4 $18) 18. Nxf8 Bxf8 19. Bc4 (19. Nxd5 $142 {and White can
already relax} Qxd5 20. Rad1 $18) 19... Qc6 (19... Ne3 {doesn't get the bull
off the ice} 20. Bxe6 Nxc2 21. Bxc8 Rxc8 22. Rad1 $18) 20. Bxd5 (20. Nxd5 $142
{makes it even easier for White} Qg6 21. Qxg6+ hxg6 22. Nb6 $18) 20... Qc4 21.
Bxc4 Bd7 (21... Kh8 {doesn't change the outcome of the game} 22. Qe4 Bd7 23.
Nd5 Bg7 24. Nf6 Bxf6 25. Bd3 Bf5 26. Qxf5 Kg8 27. Bd6 Be7 28. Qxh7+ Kf8 29.
Qh8#) 22. Qd3 (22. Ne4 Be7 23. Qc3 Be6 24. Bh6 Bf8 25. Nf6+ Kh8 26. Qc2 Bf5 27.
Qxf5 Bxh6 28. Qxh7#) 22... Rd8 (22... Bg4 {does not win a prize} 23. Ne4 Be7
24. Qc3 a5 25. Bh6 Bf8 26. Nf6+ Kh8 27. Qd3 Bf5 28. Qxf5 Bxh6 29. Qxh7#) 23.
Qg3+ Kh8 (23... Bg4 {doesn't improve anything} 24. Qxg4+ Bg7 25. Be5 Kf8 26.
Qxg7+ Ke7 27. Qxf7#) 24. Be5+ Bg7 (24... f6 {does not help much} 25. Qg8#) 25.
Qxg7# 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "1.7"]
[White "THRAINSSON, Throestur"]
[Black "KANAMARU, Tomoji"]
[Result "1-0"]
[ECO "A03"]
[BlackElo "1628"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "47"]
[SourceVersionDate "2018.10.07"]

{A03: Bird's Opening with 1...d5} 1. f4 d5 2. Nf3 Bg4 3. e3 c5 $146 (3... Nd7
4. d4 (4. c4 e5 5. fxe5 Nxe5 6. cxd5 Qxd5 7. Be2 Nd3+ 8. Kf1 Nf6 9. Nc3 Qd7 10.
h3 Bf5 11. Nd4 Bg6 12. Bf3 c5 13. Nde2 h5 14. b3 Rd8 15. g3 h4 16. g4 b5 17. a3
Be7 18. Nf4 Nxf4 {Pytel,K (2435)-Ornstein,A (2440) Le Havre 1977 1-0 (40)}) (4.
h3 Bxf3 5. Qxf3 c6 6. d4 e6 7. Nd2 h5 8. e4 dxe4 9. Nxe4 Ndf6 10. Nxf6+ Qxf6
11. Be3 Ne7 12. O-O-O O-O-O 13. g3 Nf5 14. Bg2 g6 15. c3 Bg7 16. Bf2 a6 17. Kb1
Rd7 18. a3 Qd8 {Bohn,T (2355)-Keitlinghaus,L (2510) Germany 1994 0-1}) 4... e6
5. Be2 Bxf3 6. Bxf3 Ngf6 7. Qd3 c5 8. c3 Rb8 9. O-O Be7 10. Bd2 Qb6 11. Bc1 h5
12. Kh1 g6 13. Nd2 h4 14. b3 Nh5 15. c4 cxd4 16. Bb2 Nc5 17. Qb1 Bf6 18. Bxh5 {
Jacobsen,B (2435)-Bjerring,K (2405) Vejle 1974 1-0 (38)}) (3... e6 4. Be2 Nf6
5. O-O Bc5 6. d4 Bd6 7. Nbd2 c5 8. Ne5 Bxe2 9. Qxe2 O-O 10. Rf3 Nc6 11. c3 Qb6
12. Rh3 Rac8 13. Qd3 g6 14. b3 cxd4 15. exd4 Bxe5 16. fxe5 Nxe5 17. Qg3 Neg4
18. Rh4 {Kjaerbye,M (2200)-Bjerring,K (2395) Copenhagen 1975 0-1 (54)}) 4. Bb5+
Nc6 5. b3 e6 6. Bb2 a6 7. Bxc6+ bxc6 {Black has the pair of bishops} 8. O-O Nf6
9. d3 {Controls e4} Be7 10. Nbd2 O-O 11. Qe1 Nd7 (11... Bxf3 $142 12. Nxf3 Nd7
$11) 12. Bxg7 (12. Qg3 $142 {and White hangs on} Bf6 13. Bxf6 Nxf6 14. Ne5 $16)
12... Kxg7 $15 {Black wins a piece} 13. Qg3 {White threatens to win material:
Qg3xg4} Kh8 (13... h5 $142 {and Black can hope to survive} 14. h3 f5 15. hxg4
hxg4 $15) 14. Qxg4 $16 Rg8 {Black threatens to win material: Rg8xg4} 15. Qh3
Rg7 16. Rae1 (16. f5 e5 $16) 16... Qg8 (16... Qa5 $5 $14) 17. e4 $16 Rg4 (17...
Bd6 18. f5 Re8 $16) 18. g3 $4 {a transit from better to worse} (18. Ng5 $142 {
and the scales tip in favour of White} Rxg5 19. fxg5 Bxg5 20. Nf3 $18) 18...
Rxf4 $14 19. Kh1 Rg4 20. exd5 cxd5 21. Qh5 (21. c4 d4 $14) 21... Qg7 22. Re2 (
22. c4 Rf8 $14) 22... Rg8 23. Ref2 (23. Ne5 $5 {is an interesting alternative}
Nxe5 24. Qxe5 Qxe5 25. Rxe5 $11) 23... Bd6 24. c4 (24. c4 f5 25. cxd5 $17) 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "2.1"]
[White "SUGIMOTO, Koichi"]
[Black "NISHIMORI, Toshiyuki"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1982"]
[BlackElo "1797"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "109"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] 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. e4 d6 5. Nf3 O-O 6. Be2 c5
7. d5 a6 8. O-O e6 9. h3 exd5 10. exd5 Re8 11. Bd3 $146 (11. Bf4 Ne4 12. Nxe4
Rxe4 13. Bg5 Qf8 14. Bd3 Re8 15. Qd2 f6 16. Be3 Nd7 17. Rae1 f5 18. b3 Rb8 19.
a4 h6 20. Qc2 b6 21. Bd2 Ne5 22. Nxe5 dxe5 23. f3 Bd7 24. Re2 b5 25. axb5 axb5
{Shapkin,A (2236)-Munguntuul,B (2433) Moscow 2015 1/2-1/2 (57)}) 11... Nbd7 12.
Bf4 {White threatens to win material: Bf4xd6} Nb6 (12... Nh5 13. Bh2 $14) 13.
a4 $16 {Black has a cramped position} Ra7 14. a5 {White threatens to win
material: a5xb6} Na8 {Black has a cramped position} 15. Qd2 b6 16. axb6 Qxb6 (
16... Nxb6 17. Bh2 $14) 17. Rab1 Nh5 (17... Rb7 18. b3 $16) 18. Bh2 (18. Rfe1
Rxe1+ 19. Rxe1 Bd7 $16) 18... Rae7 (18... Rd7 19. Rfe1 Rxe1+ 20. Qxe1 $16) 19.
Na4 (19. b4 Bd7 20. Ne4 Rxe4 21. Bxe4 Rxe4 22. bxc5 Qxc5 $18) 19... Qd8 20. b4
cxb4 $2 (20... Nb6 $142 21. Nxb6 Qxb6 22. bxc5 Qxc5 $16) 21. Qxb4 $18 Rd7 22.
Rbe1 (22. Rfe1 {makes it even easier for White} Rf8 23. Qa3 Bb7 $18) 22... Rxe1
$2 (22... Rf8 $142 $16) 23. Rxe1 $18 Bf8 (23... Bb7 24. Bxd6 $1 {Deflection: b7
} Rxd6 25. Qxb7 $18) 24. Qb8 Bb7 25. Re8 Qxb8 26. Rxb8 Kg7 27. Nd4 Nf6 28. Nb3
Nxd5 29. cxd5 (29. Na5 $5 {keeps an even firmer grip} Nb4 30. Bf1 Bc6 31. Rxb4
Bxa4 32. Rxa4 d5 $18) 29... Bxd5 30. Nd2 Nc7 (30... Rc7 $18) 31. Nb6 Re7 32.
Kf1 Bc6 (32... Ba2 {hardly improves anything} 33. Bxd6 Re1+ 34. Kxe1 Bxd6 35.
Bc4 $18) 33. Bxd6 Re1+ 34. Kxe1 Bxd6 35. Nbc4 Bf4 36. g3 Bxd2+ 37. Nxd2 Ne6 (
37... Bd5 {a fruitless try to alter the course of the game} 38. Rc8 Nb5 39. Rc5
$18) 38. Rb6 Nd4 (38... Bd7 {cannot change destiny} 39. Bxa6 Nc5 40. Bf1 $18)
39. Rxa6 Bg2 40. h4 Nc6 (40... h6 {doesn't get the cat off the tree} 41. Bc4
Nc6 42. f3 $18) 41. Be4 Nb4 42. Ra4 Bxe4 43. Nxe4 Nd3+ (43... Nc6 {does not
improve anything} 44. Ke2 $18) 44. Ke2 Ne5 45. f4 Ng4 (45... Nc6 {is not the
saving move} 46. Rc4 Ne7 47. Rc7 $18) 46. Ra7 Nh6 47. Kf3 Nf5 48. Rd7 h5 (48...
Kf8 $18 {is still a small chance}) 49. Nd6 Nd4+ 50. Kf2 Ne6 51. Rxf7+ Kh6 52.
Re7 (52. Nf5+ gxf5 53. Rf6+ Kg7 54. Rxe6 Kf7 55. Re1 Kf6 56. Re5 Kg7 57. Ke3
Kf8 58. Kd4 Kf7 59. Rd5 Kf8 60. Ke5 Ke7 61. Rd6 Kf7 62. Rd7+ Ke8 63. Ke6 Kf8
64. Kf6 Kg8 65. Rd5 Kh7 66. Rd8 Kh6 67. Rh8#) 52... Ng7 53. Nf7+ (53. Rd7 Nf5
54. Nxf5+ gxf5 55. Ke3 Kg6 56. Kd4 Kf6 57. Kd5 Kg6 58. Ke6 Kh6 59. Kf7 Kh7 60.
Rd6 Kh8 61. Rh6#) 53... Kh7 $18 54. Ng5+ Kh6 55. Ra7 (55. Ra7 Nf5 56. Rh7#) (
55. Rd7 Nf5 56. Rh7#) 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "2.2"]
[White "BRINKMANN, Leonard"]
[Black "YOSHII, Yukihiko"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1762"]
[BlackElo "1820"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "53"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] C41: Philidor Defence} 1. e4 e5 2. Nf3 d6 3. Bc4 Bg4 4. h3 (4. c3
c6 5. d4 Qc7 6. Be3 Nf6 7. Nbd2 Be7 8. Bb3 Nbd7 9. O-O O-O 10. Qc2 c5 11. dxe5
Nxe5 12. Nxe5 dxe5 13. a4 Rad8 14. Bc4 h6 15. f3 Bd7 16. Rfd1 a6 17. a5 Bb5 18.
Bxb5 axb5 {Wolff,P (2545)-Rohde,M (2550) Los Angeles 1991 1-0 (49)}) 4... Bxf3
$146 {Black forks: d1, g2+e4} (4... Be6 5. Bxe6 (5. Bb3 Nf6 6. Nc3 Nc6 7. d4
Bxb3 8. axb3 Be7 9. Be3 a6 10. d5 Nb8 11. b4 Nbd7 12. Qd3 O-O 13. g4 Nb6 14. g5
Nh5 15. Ne2 g6 16. h4 Nd7 17. Rg1 c6 18. dxc6 bxc6 19. Rxa6 d5 {Zetocha,C 
(2350)-Husek,Z (2260) Hungary 1999 0-1 (34)}) 5... fxe6 6. O-O Nf6 7. c3 Nc6 8.
Re1 Be7 9. d4 exd4 10. cxd4 O-O 11. Nc3 Qd7 12. Be3 a6 13. Rc1 Rae8 14. d5 Nd8
15. dxe6 Nxe6 16. Nd5 Nxd5 17. exd5 Nf4 18. Bxf4 Rxf4 19. Nd4 {Kakuk,S (2210)
-Klemanic,E (2325) Budapest 1997 1-0 (51)}) (4... Bh5 5. d3 Nf6 (5... Nc6 6.
Nbd2 Na5 7. Bb5+ c6 8. Ba4 b5 9. Bb3 Be7 10. Nf1 Bg6 11. Ng3 h5 12. h4 Qd7 13.
Qe2 Nf6 14. Bg5 Ng4 15. Bxe7 Qxe7 16. Qd2 Nb7 17. O-O Nc5 18. Rfe1 O-O 19. d4
exd4 20. Qxd4 {Schaefer,M (2400)-Meijers,V (2370) Muenster 1991 0-1 (41)}) 6.
Nbd2 c6 7. Qe2 Nbd7 8. Nf1 Bxf3 9. Qxf3 Nc5 10. Be3 Ne6 11. c3 Be7 12. Bb3 a5
13. Ng3 a4 14. Bc2 g6 15. O-O O-O 16. d4 Nd7 17. Rad1 Qc7 18. b3 b5 19. Ne2 {
Pourramezanali,A (2357)-Bayramov,V (2210) Baku 2012 1-0 (38)}) 5. Qxf3 {
White has a mate threat} Nf6 (5... Qd7 6. O-O $14) 6. d3 (6. Qb3 $142 $5 d5 7.
Qxb7 $16) 6... Be7 $14 7. Nc3 c6 {Covers b5} 8. a4 a5 9. Bd2 Nbd7 10. g4 h6 {
Covers g5} (10... Nb6 11. Ba2 O-O 12. g5 $14) 11. O-O-O Qc7 (11... Nb6 $142 $5
$16) 12. h4 $18 {[%cal Yg4g5] White intends g5} O-O-O 13. g5 hxg5 (13... Ne8
$142 $18) 14. hxg5 Nh7 (14... Nc5 15. Rxh8 Rxh8 16. gxf6 Bxf6 17. Rh1 $18) 15.
Qf5 g6 (15... Nxg5 {cannot change what is in store for White} 16. Bxg5 g6 17.
Qg4 $18) 16. Qxf7 Nxg5 (16... Bxg5 {does not solve anything} 17. Rxh7 Rxh7 18.
Qxh7 Bxd2+ 19. Rxd2 $18) 17. Qxe7 Nf3 18. Rxh8 Rxh8 19. Be6 Rd8 (19... Nxd2 {
does not save the day} 20. Rxd2 Rd8 21. d4 $18) 20. Bg5 (20. Rh1 $142 $18 {
secures victory}) 20... Nxg5 21. Qxg5 Kb8 22. Bxd7 Rxd7 23. Qxg6 Qb6 (23... Rg7
{is not much help} 24. Qe8+ Ka7 25. d4 $18) 24. Qf6 Ka7 (24... Qd8 {doesn't
change anything anymore} 25. Qxd8+ Rxd8 26. Kd2 $18) 25. d4 exd4 26. Qxd4 c5 (
26... Qxd4 {the only chance to get some counterplay} 27. Rxd4 Kb6 $18) 27. Qc4
(27. Qc4 Qc6 28. Nb5+ Kb6 29. Qe6 $18) 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "2.3"]
[White "DRAKAKIS, Athanasios"]
[Black "WATANABE, Katsumi"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1816"]
[BlackElo "1705"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "83"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] D05: Colle System with ...e6} 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3
Be7 5. O-O O-O 6. Ne5 (6. b3 b6 7. Bb2 Bb7 8. Nbd2 Nbd7 9. Qe2 Ne4 10. Rfd1 f5
11. c4 c6 12. Rac1 a5 13. a4 Bb4 14. Nb1 Qe7 15. Ne1 Bd6 16. f4 g5 17. g3 gxf4
18. exf4 Rf6 19. Nf3 Rh6 20. Bxe4 dxe4 {Singer,C (2343)-Radnetter,G (2259)
Austria 2014 1/2-1/2 (49)}) 6... b6 7. f4 Bb7 $146 (7... Ba6 8. b3 Bxd3 9. cxd3
c5 10. Bb2 Nfd7 11. Nf3 Nc6 12. Nbd2 cxd4 13. Nxd4 Nb4 14. N2f3 Nc5 15. Ne5 f6
16. Nec6 Nxc6 17. Nxc6 Qd7 18. Nxe7+ Qxe7 19. Ba3 Qb7 20. d4 Qa6 21. Bxc5 bxc5
22. dxc5 {Vasquez Schroder,R (2543)-Tristan,L (2454) Asuncion 2013 1/2-1/2 (60)
}) 8. Nd2 c5 9. c3 c4 {Black gets more space} 10. Bc2 Nc6 11. Ndf3 Nxe5 12.
Nxe5 Ne4 13. Qg4 f5 14. Qh3 Rf6 15. Bxe4 dxe4 16. g4 {Attacks the pawn chain}
Rh6 {Black threatens to win material: Rh6xh3} 17. Qg2 b5 (17... fxg4 18. Qe2
$15) 18. g5 $11 {This push gains space} Rh5 19. g6 (19. b3 Qe8 $11) 19... Bd6
20. Nf7 {White threatens to win material: Nf7xd8} Qf8 21. Ng5 (21. Nxd6 $5 Qxd6
22. gxh7+ Kf7 23. Rf2 $15) 21... hxg6 $17 22. Nxe6 Qf6 23. Ng5 Re8 24. Bd2 Be7
(24... a5 25. a4 b4 26. cxb4 axb4 27. Qf2 $17) 25. Be1 (25. a4 a6 $15) 25...
Qd6 26. Bg3 Bxg5 (26... Bc6 $5 $17) 27. fxg5 $11 {Opposite coloured bishops
appeared} Qe7 28. h4 Kf7 (28... Bc6 29. Qe2 Qe6 30. Qf2 $11) 29. a3 (29. a4 a6
$14) 29... Reh8 $11 30. Rf4 Bd5 {A comfortable square for the black bishop} 31.
Raf1 Rd8 32. Qe2 Kg8 (32... Rhh8 $142 $5 $11 {would keep Black in the game})
33. Rxf5 $1 $16 {Deflection: h5. .} Rxh4 $4 {strolling merrily down the path
to disaster} (33... gxf5 34. Qxh5 {Overloading Deflection}) 34. Re5 $18 Qxe5 (
34... Qd7 {cannot change destiny} 35. Bxh4 Rf8 36. Rf4 $18) 35. Bxe5 Be6 36.
Rf4 Rh5 37. Qg2 Bf5 (37... Kh7 {does not improve anything} 38. Kf2 Bf5 39. Ke1
$18) 38. Kf2 (38. Rxe4 $142 {seems even better} Bxe4 39. Qxe4 Rxg5+ 40. Kh2 $18
) 38... Kf7 (38... Rf8 $18 {otherwise it's curtains at once}) 39. Ke2 (39. Qxe4
Rh2+ 40. Kf3 Rh3+ 41. Kg2 Rhh8 42. Rxf5+ gxf5 43. Qxf5+ Ke7 44. Bxg7 Rhe8 45.
Be5 Rf8 46. Bf6+ Rxf6 47. gxf6+ Kf7 48. e4 Rg8+ 49. Kf2 Rh8 50. e5 Rh2+ 51. Kf3
Ke8 52. e6 Kd8 53. e7+ Kc7 54. e8=Q Rh3+ 55. Qxh3 a5 56. Qed7+ Kb8 57. Qh8#)
39... Rdh8 (39... Kg8 {a fruitless try to alter the course of the game} 40.
Rxe4 b4 41. Rf4 $18) 40. Rxe4 Bxe4 (40... Kg8 {doesn't get the bull off the ice
} 41. Bf4 Bxe4 42. Qxe4 $18) 41. Qxe4 Kg8 42. Qxg6 (42. Qxg6 Rxg5 43. Qxg5 Rh2+
44. Bxh2 Kf7 45. Be5 g6 46. Qf6+ Ke8 47. Qg7 Kd8 48. Qc7+ Ke8 49. Bd6 g5 50.
Qe7#) 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "2.4"]
[White "KOBAYASHI, Katsuhiko"]
[Black "THRAINSSON, Throestur"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1488"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "56"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] B02: Alekhine's Defence: Chase Variation and lines with early Nc3
} 1. e4 d5 2. exd5 Nf6 3. Nc3 Bg4 (3... g6 4. Bc4 Bg7 5. Nge2 (5. d3 O-O 6. Nf3
Nbd7 7. O-O Nb6 8. Re1 Nfxd5 9. Nxd5 Nxd5 10. d4 c6 11. c3 Qd6 12. Qe2 Re8 13.
Ng5 b6 14. Qf3 Rf8 15. Bd2 f6 16. Ne4 Qd7 17. Rad1 Kh8 18. a4 a5 19. Qg3 Qg4 {
Ten Vergert,P (2194)-Wiegmann,S (2277) Germany 2012 1/2-1/2 (55)}) 5... O-O 6.
d3 Nbd7 7. Nf4 Nb6 8. Bb3 a5 9. a4 c6 10. dxc6 e5 11. Nfe2 bxc6 12. O-O Nbd5
13. Ne4 h6 14. Nxf6+ Qxf6 15. Bd2 Qd8 16. Nc3 Kh7 17. Qf3 Be6 18. Rfe1 {
Hickl,J (2500)-Bellon Lopez,J (2450) Biel 1988 1-0 (41)}) 4. Be2 Bxe2 5. Ngxe2
$146 (5. Qxe2 Nbd7 (5... Nxd5 6. Qb5+ c6 7. Qxb7 Qb6 8. Qc8+ Qd8 9. Qxd8+ Kxd8
10. Nxd5 cxd5 11. Nf3 Nc6 12. O-O f6 13. d4 e6 14. Be3 Bd6 15. Rac1 Rc8 16. c4
Kd7 17. c5 Bc7 18. Rfd1 Rb8 19. Rb1 Rb7 20. Ne1 {Le,K (2341)-Chau Thi Ngoc,G 
(2182) Dalat City 2004 1/2-1/2 (45)}) 6. d4 Nb6 7. Qb5+ Qd7 8. Qxd7+ Kxd7 9.
Nf3 Nbxd5 10. Nxd5 Nxd5 11. c4 Nb4 12. O-O e6 13. Rd1 f6 14. a3 Na6 15. b4 c6
16. Nd2 Nc7 17. Ne4 Be7 18. Bf4 b6 19. Rac1 g5 {Varga,S (2260)-Donka,P (2270)
Hungary 1995 1-0 (52)}) 5... Nxd5 6. O-O Nc6 7. d3 e5 8. Nxd5 Qxd5 {White has
a cramped position} 9. Nc3 {White threatens to win material: Nc3xd5} Qd7 10.
Bg5 f6 {Black threatens to win material: f6xg5} 11. Bh4 (11. Be3 O-O-O $11)
11... O-O-O {Black castles and improves king safety} 12. Ne4 (12. f3 Bc5+ 13.
Bf2 Bxf2+ 14. Rxf2 Kb8 $15) 12... Be7 $17 13. Bg3 $2 (13. f3 $142 $17) 13... f5
$19 14. Nd2 f4 15. Bxf4 exf4 16. Qf3 g5 17. Rfe1 (17. Qh5 Kb8 $19) 17... Nd4 (
17... Bb4 $142 {and Black can already relax} 18. c3 Qxd3 19. Qg4+ Kb8 $19) 18.
Qe4 (18. Qd1 $19) 18... Nxc2 19. Qxe7 Qxe7 20. Rxe7 Nxa1 21. Re1 (21. Ne4 {
does not save the day} h6 $19) 21... Rxd3 22. Nf1 (22. Ne4 {doesn't get the
cat off the tree} Nc2 23. Rb1 Rhd8 $19) 22... Nc2 23. Re5 (23. Re4 {does not
help much} Kd7 $19) 23... Nd4 24. h3 (24. Re7 {is not much help} Kd8 25. Re1
Kd7 $19) 24... Rd1 25. f3 Nc2 26. Kf2 Rhd8 27. g3 Ne3 $1 {Deflection: d2} 28.
Nxe3 (28. Nxe3 R8d2# {Mate attack Interception Deflection}) (28. Z0 $140 Rxf1+
{Mate threat}) 28... R8d2# 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "2.5"]
[White "TAKEUCHI, Hiroshi"]
[Black "SATO, Yasuji"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1248"]
[BlackElo "1585"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "56"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] D07: Queen's Gambit: Chigorin Defence} 1. d4 d5 2. c4 e5 3. e3 Nc6
4. Nc3 (4. dxe5 d4 5. a3 dxe3 6. Qxd8+ Kxd8 7. Bxe3 Nxe5 8. Nc3 Be6 9. O-O-O+
Kc8 10. c5 Nf6 11. h3 a5 12. g4 h5 13. f4 Nc6 14. g5 Nd7 15. Ne4 a4 16. Bd3 Ra5
17. Bd2 Rxc5+ 18. Nxc5 Nxc5 {Nikolic,P (2645)-Piket,J (2570) Monte Carlo 1996
0-1 (60)}) 4... Bb4 5. Bd2 $146 (5. Nf3 Bg4 6. Be2 exd4 7. exd4 dxc4 8. d5
Bxc3+ 9. bxc3 Bxf3 10. gxf3 Ne5 11. Ba3 Ne7 12. Qd4 Qxd5 13. Bxe7 Qe6 14. O-O-O
Qxe7 15. f4 Ng6 16. Qxg7 f6 17. Qh6 Qa3+ 18. Kb1 Qxc3 19. Bxc4 Qxc4 {Williams,
S (2455)-Rogers,J (2307) England 2013 1-0}) 5... Nf6 6. a3 (6. dxe5 Nxe5 7.
Qa4+ Nc6 $14) 6... Bxc3 $11 7. Bxc3 exd4 8. exd4 {White has the pair of
bishops.} O-O {Black castles and improves king safety} 9. Bd3 Re8+ 10. Ne2 Ne7
11. O-O c6 12. Qc2 Ng6 13. Ng3 (13. cxd5 Nxd5 14. Rfe1 Be6 $11) 13... Nf4 14.
f3 {Prevents intrusion on e4+g4} dxc4 15. Bxc4 b5 16. Bb3 N4d5 {A sound move}
17. Rfe1 Be6 18. Bd2 Rc8 19. Ne4 Nxe4 20. fxe4 Nb6 21. Bxe6 Rxe6 22. Bc3 Nc4
23. Qd3 Ne5 {Black threatens to win material: Ne5xd3} 24. Qe2 Ng6 25. e5 {
White has a new backward pawn: d4} Nf4 {Black threatens to win material: Nf4xe2
} 26. Qg4 $4 {White loses the upper hand} (26. Qf3 Nd5 $11) 26... Nd5 $4 {
throwing away the advantage} (26... Nxg2 $142 {would have given Black a clear
advantage} 27. Re2 Rg6 28. Qxg6 hxg6 29. Rxg2 a5 $19) 27. Qe4 Qg5 28. Bd2 $4 (
28. Rad1 $142 $11 {is just about the only chance}) 28... Qxd2 $19 (28... Qxd2
29. Re2 Qf4 $19) 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "2.6"]
[White "KOYAHATA, Taku"]
[Black "NAKAMURA, Mitsuru"]
[Result "0-1"]
[ECO "D48"]
[WhiteElo "1425"]
[BlackElo "1125"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "46"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] D48: Semi-Slav: Meran System: 7...b5 8 Bd3 a6} 1. d4 d5 2. c4 c6
3. e3 Nf6 4. Nf3 e6 5. Bd3 Nbd7 6. Nc3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O Be7
$146 (9... c5 10. dxc5 (10. Ne5 Bb7 11. f4 g6 12. b3 cxd4 13. Nxb5 axb5 14.
Bxb5 Bg7 15. a4 O-O 16. Ba3 Nxe5 17. fxe5 Nd5 18. Qf3 Qb6 19. Bxf8 Rxf8 20.
exd4 Bxe5 21. Rad1 Bxd4+ 22. Rxd4 Qxd4+ 23. Kh1 Ba8 24. Be8 Ne3 {Astasio Lopez,
D (2392)-Korneev,O (2625) Linares 2013 0-1}) (10. a3 Bb7 11. Qe2 Qc7 12. e4
cxd4 13. Nxd4 Bc5 14. Nb3 Ba7 15. Bg5 O-O 16. Rac1 Qe5 17. Be3 Bxe3 18. Qxe3
Ng4 19. Qh3 f5 20. exf5 exf5 21. Rfe1 Qf4 22. Qg3 Qxg3 23. hxg3 Nde5 24. Bf1 f4
{Varlan,H (2163)-Dobre,C (2357) Olanesti 2013 0-1 (61)}) (10. Re1 Bb7 11. a3
Be7 12. b3 O-O 13. Bb2 Qb6 14. Bf1 Rfd8 15. Qe2 Rac8 16. Rad1 cxd4 17. Nxd4
Bxa3 18. Bxa3 Rxc3 19. Bb4 Rcc8 20. Qa2 Re8 21. Ba5 Qc5 22. Qa1 Qg5 23. f4 Qg6
24. Qb2 Nc5 {Adam,W (2200)-La Rota,F (2310) New York 1979 0-1 (45)}) 10... Nxc5
11. Be2 (11. Bc2 Bb7 12. a3 Qc7 13. Qe2 Nce4 14. Bd2 Bd6 15. Nxe4 Nxe4 16. Bxe4
Bxe4 17. Bc3 O-O 18. h3 Qb7 19. Rfd1 Rfd8 20. Ng5 Bg6 21. Nf3 a5 22. Rd2 b4 23.
axb4 axb4 24. Rxa8 Qxa8 25. Be5 Be7 {Tolnai,T (2230)-Szabolcsi,J (2245)
Budapest 1982 1/2-1/2 (46)}) 11... Bb7 12. Qxd8+ Rxd8 13. Rd1 Rxd1+ 14. Nxd1
Bd6 15. b3 Nd5 16. Bb2 f6 17. Nc3 Nxc3 18. Bxc3 Ne4 19. Be1 Ba3 20. Nd4 e5 21.
Nc2 Bb2 22. Rb1 Bc3 23. Bf3 Bxe1 24. Nxe1 {Capablanca,J-Bernstein,O Moscow
1914 1/2-1/2}) (9... c5 10. a4 b4 11. Ne4 $11) 10. e4 $14 {Black has a cramped
position} Qc7 (10... O-O 11. e5 Nd5 12. Qc2 $14) 11. e5 $16 Nd5 12. Ne4 {
White has an active position} (12. Nxd5 cxd5 13. Bg5 Nb6 $16) 12... O-O {
White has a very active position} 13. Kh1 (13. Bg5 Bxg5 14. Nexg5 h6 15. Bh7+
Kh8 $14) 13... f6 {Consolidates g5} (13... c5 14. Nxc5 Nxc5 15. dxc5 Qxc5 16.
Bd2 $11) 14. b3 (14. exf6 N7xf6 15. Qe2 Ng4 $14) 14... fxe5 15. Neg5 Bxg5 16.
Nxg5 {White forks: e6+h7} N5f6 $4 {Black lets it slip away} (16... N7f6 $142 {
would save the game} 17. Ba3 b4 $11) 17. Nxe6 $18 Qd6 18. Nxf8 Kxf8 (18... Nxf8
19. dxe5 Qxe5 20. Ba3 $18) 19. Qc2 (19. dxe5 $142 {keeps an even firmer grip}
Nxe5 20. Bc2 Qxd1 21. Rxd1 Nf7 $18) 19... g6 $4 {terrible, but what else could
Black do to save the game?.} (19... exd4 $142 20. Bxh7 c5 $18) 20. dxe5 $18
Nxe5 21. Rd1 (21. Bf4 {might be the shorter path} Bd7 22. Rad1 Nd5 $18) 21...
Nd5 (21... Neg4 22. g3 Be6 23. Bf4 Bd5+ 24. Kg1 $18) 22. Be4 Ng4 23. Bxd5 $4 {
makes life more difficult} (23. g3 $142 {and White can celebrate victory} Ngf6
24. Bxg6 $18) 23... Qxh2# 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "2.7"]
[White "ABE, Takahiro"]
[Black "ITO, Katsuhide"]
[Result "0-1"]
[ECO "D05"]
[BlackElo "1321"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "42"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] D05: Colle System with ...e6} 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Nbd2
c5 5. c3 cxd4 (5... Nbd7 6. Bd3 g6 7. O-O Bg7 8. b4 cxb4 9. cxb4 O-O 10. a4 e5
11. dxe5 Ng4 12. Be2 Ndxe5 13. Ra2 Re8 14. h3 Nf6 15. Nxe5 Rxe5 16. Bb2 Re7 17.
Qa1 Ne8 18. Rd1 Bxb2 19. Rxb2 Be6 20. Bf3 {Marjanovic,S (2505)-Lputian,S (2530)
Sarajevo 1985 1/2-1/2 (59)}) 6. Nxd4 $146 (6. exd4 Bd6 7. Bd3 Nbd7 8. O-O O-O
9. Re1 Rb8 10. a4 Qc7 11. Qe2 Re8 12. Ne5 Nf8 13. Ndf3 N6d7 14. Ng5 f5 15. Ngf3
Nf6 16. c4 N8d7 17. c5 Bxe5 18. Nxe5 g6 19. Qf3 Nxe5 20. Rxe5 Bd7 {Ferrufino,B
(2199)-Sustach,M (2254) Santa Cruz 2008 1-0 (45)}) (6. exd4 Nc6 $11) 6... a6 {
Controls b5} 7. Bd3 e5 8. N4f3 $2 (8. Ne2 $142 $15 {is a viable option}) 8...
e4 $19 9. Bb1 exf3 10. Nxf3 Be7 11. O-O O-O 12. b4 Bg4 13. a3 Ne4 (13... Nc6
$142 {seems even better} 14. h3 Bh5 15. Bb2 $19) 14. Ba2 $2 (14. Bb2 $19) 14...
Nxc3 15. Qd4 (15. Qb3 $19 {desperation}) 15... Ne2+ 16. Kh1 Nxd4 17. Bb2 Nxf3
18. Rac1 Qd6 19. g3 (19. Be5 {doesn't improve anything} Qxe5 20. g3 Qh5 21. h4
Nxh4 22. gxh4 Bf3+ 23. Kg1 Qg4+ 24. Kh2 Bd6#) 19... Qh6 20. h4 Bxh4 (20... Nxh4
21. Bxg7 Kxg7 22. Rc6 bxc6 23. gxh4 Bf3+ 24. Kg1 Qg6+ 25. Kh2 Qg2#) 21. Bxd5 (
21. Kg2 {hardly improves anything} Bxg3 $1 {Clearance: h4} 22. Rh1 Bh2 23. Kf1
Qh3+ 24. Ke2 Ng1+ 25. Kd2 Qf3 26. Rcxg1 Qe2+ 27. Kc1 Rc8+ 28. Bc4 Rxc4+ 29. Kb1
Rc2 30. Bf6 Qc4 31. Bb2 Qb3 32. Rxh2 Qxb2#) 21... Bf6+ (21... Bf6+ 22. Kg2 Qh2#
) 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "3.1"]
[White "BRINKMANN, Leonard"]
[Black "SUGIMOTO, Koichi"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1762"]
[BlackElo "1982"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "79"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] A03: Bird's Opening with 1...d5} 1. f4 d5 2. Nf3 Nf6 3. e3 c5 4.
Bb5+ Bd7 {Black threatens to win material: Bd7xb5} (4... Nbd7 5. b3 g6 6. Bb2
Bg7 7. O-O O-O 8. Bxd7 Bxd7 9. Qe1 Rc8 10. Qh4 Qb6 11. Ne5 Rfd8 12. d3 Qe6 13.
Nd2 Ng4 14. Ndf3 f6 15. Rae1 Nxe5 16. fxe5 Bc6 17. Rf2 Rf8 18. Ref1 h6 19. Qg3
{Buchy,D (2205)-Relange,E (2420) France 1995 0-1 (37)}) 5. Qe2 $146 (5. Be2 Nc6
6. O-O Qc7 7. d4 Ne4 8. c3 g5 9. Ne5 Nxe5 10. fxe5 f5 11. Bh5+ Kd8 12. Nd2 e6
13. Nxe4 dxe4 14. g4 Be7 15. gxf5 exf5 16. Bf7 Qb6 17. d5 Qh6 18. d6 Bf8 19.
Qd5 Bc6 {Villalba,H (2220)-Moreda,L (2275) Buenos Aires 1997 1-0}) (5. Bxd7+
Nbxd7 6. b3 g6 7. Bb2 Bg7 8. O-O e6 9. Qe2 O-O 10. d3 b5 11. Nbd2 Qb6 12. Kh1
Rac8 13. Rab1 Qc7 14. c4 bxc4 15. dxc4 Ne8 16. Qd3 Nb6 17. Ne5 Nd6 18. Ng4 f6
19. Rbc1 dxc4 {Tereladze,S (2223)-Gvetadze,S (2313) Batumi 2002 1/2-1/2}) 5...
a6 6. Bxd7+ Nbxd7 7. O-O g6 8. b3 Bg7 9. Bb2 O-O 10. a4 Rc8 11. Na3 e6 12. c4
Qe7 13. a5 Ne8 14. Bxg7 Nxg7 15. Qd3 Nf6 16. Qc3 Rfd8 17. Nc2 Nf5 18. Rae1 d4 (
18... Ne4 19. Qd3 $15) 19. exd4 $11 cxd4 20. Qb4 Qxb4 {Black forks: a5+b3} 21.
Nxb4 Rc5 {Black threatens to win material: Rc5xa5} (21... d3 22. g3 $11) 22.
Re5 {White threatens to win material: Re5xc5} Nd7 {Black threatens to win
material: Nd7xe5} 23. Nd3 {White threatens to win material: Nd3xc5} Rcc8 24.
Re4 Nf6 25. Ree1 h5 26. Ng5 Ne7 27. Rc1 Nc6 28. b4 Kg7 29. Rc2 Nh7 30. Ne4 f5
$2 (30... Nf6 $142 {and Black could well hope to play on} 31. Nxf6 Kxf6 $11)
31. Nec5 $18 Kf7 $4 {shortens the misery for Black} (31... Nf8 $142 32. Nxb7
Nxb4 33. Nxb4 Rd7 $18) 32. Nxb7 Rd7 33. Nbc5 (33. Ndc5 {makes it even easier
for White} Rxb7 34. Nxb7 Ke7 $18) 33... Ra7 (33... Nxb4 {doesn't do any good}
34. Ne5+ Kg7 35. Nxe6+ Kg8 $18) 34. Nb3 (34. b5 $142 $5 {might be the shorter
path} Nxa5 35. b6 Re7 $18) 34... Rb8 $2 (34... Nxb4 $142 35. Nxb4 Rb7 $16) 35.
Ne5+ $4 {ruins a very nice position} (35. Rb1 $142 {and White has prevailed}
Rxb4 36. Nxb4 Nxb4 37. Rcc1 $18) 35... Nxe5 $14 36. fxe5 Rxb4 37. Nxd4 Rc7 {
Black threatens to win material: Rc7xc4} 38. d3 {White has a new protected
passed pawn: c4} Ra4 (38... Nf8 39. Nf3 $14) 39. Nb3 (39. Rb1 $5 Rxa5 40. c5
Raxc5 41. Rxc5 Rxc5 42. Rb7+ Kg8 43. Nxe6 Rxe5 44. Rg7+ Kh8 45. Rxg6 $16) 39...
Rb7 $4 (39... Nf8 $142 $14 {the rescuing straw}) 40. Nc5 $18 (40. Nc5 Rab4 41.
Nxb7 Rxb7 42. c5 $18) 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "3.2"]
[White "THRAINSSON, Throestur"]
[Black "DRAKAKIS, Athanasios"]
[Result "1/2-1/2"]
[ECO "A01"]
[BlackElo "1816"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "46"]
[SourceVersionDate "2018.10.07"]

{A01: Nimzowitsch-Larsen Opening} 1. b3 d5 2. e3 Nf6 3. Bb2 Nbd7 (3... c6 4. c4
Nbd7 5. Nf3 e6 6. d4 Bd6 7. Nbd2 b6 8. g3 Bb7 9. Bg2 c5 10. O-O O-O 11. Qe2 Rc8
12. Rfd1 Qc7 13. Rac1 Qb8 14. cxd5 exd5 15. Bh3 Rcd8 16. Nh4 {1/2-1/2 (16)
Bischoff,K (2544)-Dreev,A (2680) Essen 2000}) 4. f4 (4. Nf3 g6 5. c4 dxc4 6.
Bxc4 Nb6 7. Be2 Bg7 8. O-O O-O 9. d3 a5 10. a3 c5 11. Qc2 a4 12. b4 cxb4 13.
axb4 Qd6 14. Na3 Qxb4 15. Rfb1 Qb3 16. Bxf6 Qxc2 17. Nxc2 Bxf6 18. Rxb6 Bxa1 {
Alekseenko,K (2512)-Martynov,P (2414) St Petersburg 2015 1-0 (44)}) 4... b6
$146 (4... c5 5. Nf3 e6 (5... g6 6. Be2 Bg7 7. O-O O-O 8. Qe1 b6 9. Qh4 e6 10.
d3 Bb7 11. Nbd2 d4 12. e4 Nh5 13. Qxd8 Rfxd8 14. Ng5 h6 15. Nh3 Nhf6 16. Nf2 b5
17. a4 a6 18. g4 Bc6 19. axb5 axb5 20. Nf3 {Nothnagel,H (2285)-Langheinrich,F 
(2210) Germany 1998 1-0 (44)}) 6. Be2 Qc7 7. O-O Bd6 8. Nh4 b6 9. a4 Bb7 10. a5
bxa5 11. Bc3 h6 12. Bxa5 Qb8 13. g3 g5 14. Ng2 gxf4 15. Nxf4 h5 16. Nxh5 Ke7
17. d4 Rxh5 18. Bxh5 Bxg3 19. Qf3 {Sandhu,M (2155)-Pilaj,H (2196) Koestendorf
1998 1/2-1/2 (42)}) (4... g6 5. g4 Bg7 6. Bg2 e5 7. Qe2 O-O 8. fxe5 Nxg4 9.
Qxg4 Nxe5 10. Qd4 Nd3+ 11. cxd3 Bxd4 12. Bxd4 Bf5 13. Nc3 c6 14. Ke2 Qd6 15.
Nf3 Rfe8 16. Rac1 c5 17. Nb5 Qd7 18. Rxc5 b6 19. Ne5 {Blatny,P (2535)-Rodgaard,
J (2351) Istanbul 2000 0-1 (61)}) 5. Nf3 Bb7 6. Bb5 c6 {Black threatens to win
material: c6xb5} 7. Be2 Qc7 8. O-O h6 {Secures g5} 9. c4 e6 10. Nc3 Bd6 11. Rc1
O-O (11... dxc4 12. Bxc4 b5 13. Bd3 $14) 12. Qe1 (12. cxd5 exd5 13. Nb5 Qb8 $16
) 12... Qb8 (12... dxc4 13. Bxc4 b5 14. Be2 $11) 13. Qh4 Nh7 (13... dxc4 14. g4
Be7 15. Bxc4 $14) 14. g4 (14. cxd5 cxd5 15. Nb5 a6 16. Nxd6 Qxd6 $16) 14... Qe8
15. d4 f5 (15... Rd8 16. Bd3 $14) 16. Ne5 $16 Nxe5 17. dxe5 Be7 18. Qh3 Qg6 19.
cxd5 exd5 (19... cxd5 $142 $5 20. Qg3 Bc5 $16) 20. Nxd5 $18 cxd5 21. Rc7 fxg4 (
21... Bc5 $5 22. Rxb7 Qc6 $18) 22. Qxg4 $18 Qxg4+ 23. Bxg4 Ba6 1/2-1/2

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "3.3"]
[White "YOSHII, Yoshihiko"]
[Black "SATO, Yasuji"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1820"]
[BlackElo "1585"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "227"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5
a3 and 4 Nc3 Bb7} 1. c4 Nf6 2. Nc3 e6 3. d4 b6 4. Bg5 Be7 5. Nf3 Bb7 6. e3 h6
7. Bh4 d6 (7... c5 8. Be2 O-O 9. O-O Ne4 10. Nxe4 Bxe4 11. Bxe7 Qxe7 12. Qd2
cxd4 13. Nxd4 Rd8 14. Rfd1 Nc6 15. Rac1 Rac8 16. Bf3 Bxf3 17. Nxf3 d5 18. Qe2
dxc4 19. Qxc4 {1/2-1/2 (19) Spassky,B (2630)-Andersson,U (2600) Tilburg 1981})
8. Be2 (8. Bd3 Nbd7 9. O-O g5 10. Bg3 h5 11. d5 e5 12. h4 gxh4 13. Nxh4 Nxd5
14. Nxd5 Bxh4 15. Nxc7+ Qxc7 16. Bxh4 Rg8 17. f3 Nc5 18. Bf5 Ne6 19. Bf6 Qc5
20. Rf2 Kd7 21. Qd3 Rg3 22. b4 e4 {Palachev,P (2287)-Glidzhain,G (2381) Moscow
2012 1/2-1/2 (62)}) 8... Ng4 $146 (8... Nbd7 9. O-O g5 10. Bg3 h5 11. h4 g4 12.
Ng5 Nh7 13. Nxh7 Rxh7 14. d5 e5 15. Qd3 Rh8 16. Qf5 Bxh4 17. Bxh4 Qxh4 18. Nb5
O-O-O 19. Nxa7+ Kb8 20. Nc6+ Bxc6 21. dxc6 Nc5 22. b4 Na6 23. c5 {Nguyen,T 
(2353)-Kachiani Gersinska,K (2439) Elista 2004 1/2-1/2 (46)}) (8... O-O 9. O-O
Nbd7 10. Nd2 c5 11. f3 cxd4 12. exd4 d5 13. Bf2 Rc8 14. Qb3 dxc4 15. Nxc4 Nd5
16. Rfd1 Nxc3 17. bxc3 Bd5 18. Qa4 Nf6 19. Rac1 Qe8 20. Qa6 Bxc4 21. Bxc4 Nd5
22. Bxd5 exd5 23. Qxa7 {Dukhov,A (2340)-Kharlamov,V (2390) Briansk 1995 0-1 
(56)}) 9. Bg3 h5 (9... Nf6 10. h3 $11) 10. h4 Nd7 11. e4 {White has an active
position} Ndf6 12. d5 Qd7 13. Ng5 exd5 14. cxd5 {Black has a new backward pawn:
c7. Black has a cramped position} Nh7 (14... a6 15. O-O $14) 15. Bf4 (15. Bb5
$142 c6 16. dxc6 Bxc6 17. Bxc6 Qxc6 18. Nxh7 Rxh7 19. Rc1 $18) 15... O-O-O $4 (
15... a6 $142 $14 {and Black has air to breath}) 16. Nxf7 (16. Bb5 $142 {
nails it down} c6 17. dxc6 Bxc6 18. Bxc6 Qxc6 19. Rc1 Nxf2 20. Kxf2 $18) 16...
Nxf2 17. Kxf2 Bxh4+ 18. Rxh4 Qxf7 19. Bxh5 Qf8 $2 (19... Qe7 20. Bg3 $18) 20.
Qg4+ (20. Bg6 $5 {and White can already relax} Kb8 21. Qh5 Nf6 22. Qxh8 Qxh8
23. Rxh8 Rxh8 $18) 20... Kb8 21. Ke3 (21. Bg6 {and White can already relax} Nf6
22. Qg3 Rxh4 23. Qxh4 Qe7 $18) 21... Nf6 $2 (21... Qe7 $142 22. Rh2 g5 $16) 22.
Qg6 Re8 23. Kd3 $4 {with this move White loses his initiative} (23. Bg5 $142 {
White missed this excellent chance} Re5 24. Rd1 $18) 23... Nxh5 $11 24. Rxh5
Qxf4 25. Rf5 {White threatens to win material: Rf5xf4} Ba6+ 26. Kc2 Qe3 {
White king safety dropped} (26... Qh4 27. Rf3 $15) 27. Rd1 $11 Reg8 28. Rf3 {
White threatens to win material: Rf3xe3} Qh6 29. Qg4 Rf8 30. Rd2 Bc8 {Black
threatens to win material: Bc8xg4} 31. Qg3 g5 32. Rdf2 Qg7 (32... Rxf3 33. Rxf3
g4 34. Rf4 $11) 33. Rxf8 $14 Rxf8 34. Rxf8 Qxf8 35. Qxg5 {White has a new
passed pawn: g2} Qf2+ 36. Qd2 {White threatens to win material: Qd2xf2} Qc5 37.
Qe2 a5 38. a3 Ka7 39. Qb5 (39. g4 $5 $16) 39... Qf2+ $11 {Black forks: g2} 40.
Qe2 {White threatens to win material: Qe2xf2} Qc5 {Twofold repetition} 41. Qf3
(41. g4 Kb7 $16) 41... b5 (41... Ba6 42. a4 $14) 42. Kb1 (42. Kd2 $142 $5 b4
43. Ne2 $16) 42... Ba6 43. g3 Qd4 44. Qf7 {White threatens to win material:
Qf7xc7} Kb7 45. Qd7 Qd3+ {Black forks: g3} 46. Ka1 b4 {Black threatens to win
material: b4xc3} 47. Qc6+ Kb8 48. Qe8+ Ka7 49. axb4 $4 {allows the opponent
back into the game} (49. Qc6 $5 {is worth consideration} bxc3 50. Qxc7+ Bb7 51.
Qxa5+ Ba6 52. Qc7+ Bb7 53. Qxc3 Qxe4 54. Qa5+ Ba6 55. Qc7+ Bb7 56. Qa5+ Ba6 57.
Qc7+ Bb7 58. Qa5+ $11) 49... axb4 (49... Qf1+ $142 50. Ka2 Qc4+ 51. Kb1 axb4
$19) 50. Nb1 $4 {causes further problems for White} (50. Qc6 bxc3 51. Qxc7+ Bb7
52. bxc3 Qxg3 53. Ka2 $15) 50... b3 (50... Bb5 $142 {secures the point} 51. Qh8
Qd1 $19) 51. Qc6 $11 {White threatens to win material: Qc6xc7} Qxe4 52. Qxc7+
Bb7 53. Qxd6 Qxd5 (53... Bxd5 $5 {should be investigated more closely} 54. Qf4
Kb7 $11) 54. Qxd5 $16 Bxd5 {A minor pieces endgame occured} 55. Nc3 {White
threatens to win material: Nc3xd5} Be6 (55... Bc4 $142 $5 $16) 56. Kb1 $18 Kb6
57. Kc1 Kc5 58. Kd1 (58. Ne2 $142 $5 $18) 58... Kd4 59. Kd2 Ke5 (59... Bg8 60.
Ne2+ Ke4 61. Kc3 $16) 60. Ke3 $16 Kf5 61. Kf3 Kg5 (61... Bf7 $5 $16) 62. Ne4+
$18 Kg6 63. g4 Bc4 64. Kf4 {[%cal Yg4g5] White prepares g5} Bd3 65. Nc5 Bc2 66.
Nd7 Bd1 67. g5 Bc2 68. Ne5+ Kg7 69. Ke3 Bf5 70. Kd4 Bc2 71. Kc3 Bd1 72. Kd2 Bc2
73. Kc3 {Twofold repetition} Bd1 74. Kd4 Bc2 75. Kd5 Bf5 76. Nf3 Bc2 77. Ke5
Bg6 78. Nd4 Bf7 79. Kf4 Bc4 80. Nf5+ Kg6 81. Nh4+ Kg7 82. Nf3 Bd5 83. Ne5 Be6
84. Ke4 Bg8 $4 {the final mistake, not that it matters anymore} (84... Bc8 $142
$18) 85. Kf5 {[%cal Yg5g6] White prepares the advance g6} Bd5 86. g6 Bg8 87.
Kg5 Be6 (87... Bd5 {a fruitless try to alter the course of the game} 88. Nd3
Kf8 89. Kf6 Kg8 90. Nf4 Bc4 91. Ne6 Bxe6 92. Kxe6 Kg7 93. Kd5 Kf6 94. Kc4 Kxg6
95. Kxb3 Kg5 96. Ka3 Kf6 97. Kb4 Ke6 98. Kc5 Kd7 99. Kb6 Ke6 100. Kc6 Ke7 101.
b4 Ke8 102. Kc7 Kf7 103. b5 Kg6 104. b6 Kh5 105. Kd6 Kg4 106. b7 Kf4 107. b8=Q
Ke3 108. Qb2 Kf4 109. Qg2 Ke3 110. Qg3+ Ke4 111. Qc3 Kf4 112. Kd5 Kf5 113. Qe5+
Kg6 114. Ke6 Kh7 115. Kf6 Kg8 116. Qh5 Kf8 117. Qh8#) 88. Nc6 Bd5 89. Ne7 Be6
90. Nf5+ Kg8 91. Kf6 Bc4 92. Nh6+ Kh8 93. g7+ Kh7 94. Ng4 Kg8 95. Ne5 Bd5 96.
Nd7 Bc4 97. Nc5 (97. Nb6 Be2 98. Nd5 Bc4 99. Ne7+ Kh7 100. Nc8 Kh6 101. Nd6 Bg8
102. Nf5+ Kh7 103. Ke7 Bc4 104. Ne3 Kxg7 105. Nxc4 Kg6 106. Ke6 Kh7 107. Nd2
Kh6 108. Nxb3 Kg5 109. Nd4 Kf4 110. b4 Ke3 111. b5 Kd3 112. b6 Kxd4 113. b7 Kc5
114. b8=Q Kd4 115. Qe5+ Kc4 116. Qe3 Kb5 117. Kd5 Kb4 118. Qd3 Ka5 119. Kc5 Ka4
120. Qe3 Ka5 121. Qa3#) 97... Bf7 (97... Bd5 {doesn't change anything anymore}
98. Na4 Kh7 99. Nb6 Bg8 100. Nc8 Kh6 101. Ne7 Kh7 102. Nxg8 Kxg8 103. Ke5 Kxg7
104. Kd5 Kf6 105. Kc4 Ke7 106. Kxb3 Kd6 107. Kb4 Kc7 108. Kc5 Kb7 109. Kb5 Kc7
110. Ka6 Kd6 111. Kb6 Kd5 112. b4 Kd6 113. b5 Kd7 114. Ka7 Ke7 115. b6 Kf6 116.
b7 Kf5 117. Kb6 Ke5 118. b8=Q+ Ke4 119. Qg3 Kf5 120. Kc5 Kf6 121. Kd6 Kf5 122.
Qh4 Kg6 123. Ke6 Kg7 124. Qh5 Kg8 125. Kf6 Kf8 126. Qf7#) 98. Ne4 (98. Na4 $5
Bc4 99. Nb6 Ba6 100. Nd5 Bc4 101. Ne7+ Kh7 102. g8=Q+ Bxg8 103. Nxg8 Kxg8 104.
Ke7 Kg7 105. Kd6 Kg6 106. Kc5 Kf5 107. Kc4 Ke5 108. Kxb3 Kd4 109. Kb4 Kd3 110.
Kc5 Ke3 111. b4 Ke2 112. b5 Kf3 113. b6 Ke4 114. Kc4 Kf4 115. b7 Ke5 116. b8=Q+
Kf6 117. Kd5 Kg5 118. Ke5 Kg4 119. Qb3 Kg5 120. Qg3+ Kh6 121. Kf6 Kh7 122. Qg7#
) 98... Bd5 99. Nf2 Bc4 (99... Kh7 {does not win a prize} 100. Ng4 Bg8 101. Ne3
Kh6 102. Nf5+ Kh5 103. Ne7 Bh7 104. g8=Q Bxg8 105. Nxg8 Kg4 106. Ke6 Kh4 107.
Kd5 Kh3 108. Kc5 Kh2 109. Kb4 Kg2 110. Kxb3 Kf3 111. Kc4 Kf4 112. b4 Ke5 113.
Ne7 Kf4 114. b5 Kg3 115. b6 Kh4 116. Kd4 Kg5 117. Ke4 Kh5 118. b7 Kg5 119. b8=Q
Kf6 120. Qe5+ Kf7 121. Kf5 Ke8 122. Ke6 Kd8 123. Qb8#) 100. Ng4 Bd5 (100... Kh7
{doesn't change the outcome of the game} 101. Ne5 Bd5 102. Ng6 Bg8 103. Ne7 Bc4
104. g8=Q+ Bxg8 105. Nxg8 Kxg8 106. Ke6 Kg7 107. Ke5 Kf8 108. Kd5 Kg8 109. Kd6
Kf7 110. Kc5 Kf6 111. Kd4 Kf7 112. Kc3 Kg7 113. Kxb3 Kh6 114. Kc4 Kg6 115. b4
Kf6 116. Kc5 Ke6 117. b5 Kd7 118. b6 Kd8 119. Kd6 Kc8 120. Kc6 Kd8 121. b7 Ke7
122. Kd5 Kf7 123. b8=Q Kf6 124. Qe5+ Kg6 125. Ke6 Kh7 126. Kf7 Kh6 127. Qb5 Kh7
128. Qh5#) 101. Nh6+ Kh7 102. g8=Q+ $1 {a forceful and devastating end.} Bxg8
103. Nxg8 Kxg8 104. Ke5 Kf7 (104... Kg7 {is no salvation} 105. Kd5 Kg6 106. Kc4
Kh5 107. Kxb3 Kg4 108. Kc4 Kf3 109. b4 Ke4 110. b5 Ke5 111. Kc5 Kf4 112. b6 Kf3
113. Kd5 Kg2 114. Kc4 Kf1 115. b7 Kf2 116. b8=Q Kg2 117. Kd4 Kf3 118. Qf8+ Kg3
119. Ke4 Kg2 120. Qb8 Kh3 121. Kf3 Kh4 122. Qe5 Kh3 123. Qh5#) 105. Kd4 Ke6
106. Kc3 Kd5 107. Kxb3 Kc5 108. Ka4 Kc6 109. Ka5 Kb7 110. Kb5 Ka7 (110... Kc7 {
does not solve anything} 111. Ka6 Kc8 112. Kb6 Kb8 113. b3 Ka8 114. b4 Kb8 115.
b5 Kc8 116. Ka7 Kc7 117. b6+ Kd6 118. b7 Ke7 119. Ka6 Kf7 120. b8=Q Kg7 121.
Kb7 Kh6 122. Qe5 Kh7 123. Kc6 Kg8 124. Qg3+ Kf7 125. Qg4 Kf8 126. Qg5 Kf7 127.
Kd6 Kf8 128. Ke6 Ke8 129. Qe7#) 111. Kc6 Ka6 (111... Kb8 {is not the saving
move} 112. b4 Kc8 113. Kb6 Kd7 114. b5 Kd6 115. Kb7 Kd5 116. Kc7 Ke5 117. Kd7
Kf4 118. b6 Kf5 119. Ke7 Kg5 120. b7 Kg4 121. b8=Q Kf3 122. Qh2 Ke3 123. Qb2
Kf3 124. Qd2 Kg4 125. Qe3 Kf5 126. Kf7 Kg4 127. Kf6 Kh4 128. Kf5 Kh5 129. Qg5#)
112. b4 Ka7 113. b5 Ka8 (113... Kb8 {cannot undo what has already been done}
114. Kb6 Kc8 115. Ka7 Kd7 116. b6 Kc6 117. b7 Kb5 118. b8=Q+ Kc5 119. Qb6+ Kd5
120. Qb4 Ke6 121. Qf8 Kd5 122. Qf4 Kc5 123. Qg4 Kb5 124. Qf3 Kb4 125. Qd3 Ka5
126. Qb1 Ka4 127. Kb6 Ka3 128. Kc5 Ka4 129. Qb4#) 114. Kc7 (114. Kc7 Ka7 115.
b6+ Ka6 116. b7 Kb5 117. b8=Q+ Kc5 118. Qd8 Kc4 119. Qd2 Kb3 120. Kc6 Kc4 121.
Kb6 Kb3 122. Kc5 Ka3 123. Kc4 Ka4 124. Qb4#) (114. b6 Kb8 115. b7 Ka7 116. Kc7
Ka6 117. b8=Q Ka5 118. Qb3 Ka6 119. Qb6#) 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "3.4"]
[White "NISHIMORI, Toshiyuki"]
[Black "ITO, Katsuhide"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1797"]
[BlackElo "1321"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "99"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] 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. Bxf6
gxf6 10. Nd5 f5 11. Bd3 Be6 12. Qh5 Bg7 13. O-O h6 (13... Na5 14. c3 Ra7 15.
Nc2 Nc4 16. Ndb4 fxe4 17. Bxe4 d5 18. Bf5 Qd7 19. Bxe6 Qxe6 20. b3 Nb6 21. Ne3
O-O 22. Nf5 Kh8 23. Rae1 f6 24. Re3 Rg8 25. f4 Bf8 26. fxe5 Rg5 27. Nd4 Qg8 28.
Qe2 {Parma,B (2540)-Bhend,E (2345) Buenos Aires 1978 1-0 (36)}) 14. c4 $146 (
14. Rad1 f4 15. c4 bxc4 16. Bxc4 O-O 17. Nc3 Nd4 18. Ne2 Bxc4 19. Nxd4 Bxf1 20.
Nf5 Qg5 21. Qxg5 hxg5 22. Kxf1 Rfd8 23. Ne7+ Kh7 24. g4 Bf6 25. Nd5 Kg7 26. Nc4
a5 27. b3 Rac8 28. a4 Rc5 {Azaric,S (2335)-Stankovic,B (2300) Becici 1993 1/
2-1/2 (59)}) 14... bxc4 15. Nxc4 O-O {White has an active position} 16. Rac1 (
16. Nce3 $5 {looks like a viable alternative} fxe4 17. Bxe4 $11) 16... fxe4 $15
17. Bxe4 {White has a king attack} f5 $4 {Black has let it slip away} (17...
Nd4 18. Ncb6 Ra7 19. Rfd1 $15) 18. Nf6+ $4 {gives the opponent counterplay} (
18. Ncb6 $142 $18 {and White gets the upper hand}) 18... Rxf6 (18... Qxf6 $5 {
might be a viable alternative} 19. Bxc6 Rad8 $11) 19. Bxc6 $14 Rc8 {Black
threatens to win material: Rc8xc6} 20. Bb7 $4 {gives the opponent new chances}
(20. Ne3 $142 {saving the game} Bxa2 21. Bd5+ Bxd5 22. Nxd5 $14) 20... Rxc4 $19
21. Rxc4 Bxc4 22. Rc1 d5 23. b3 Qd7 24. bxc4 Qxb7 25. cxd5 (25. Qe8+ {hardly
improves anything} Kh7 26. Qxe5 dxc4 $19) 25... Qxd5 26. h3 (26. a3 {does not
save the day} Rd6 $19) 26... Kh7 27. Qe2 Rg6 {[%cal Ye5e4] Black plans e4} 28.
f3 (28. g3 {is no salvation} e4 29. Kh2 Rd6 $19) 28... e4 29. f4 (29. fxe4 {
is still a small chance} Bd4+ 30. Kh1 Qxe4 31. Rc7+ Rg7 32. Rxg7+ Kxg7 33. Qf1
$19) 29... Bd4+ 30. Kh2 e3 (30... Qd6 $142 {might be the shorter path} 31. Qf1
Be3 $19) 31. g3 (31. Rc7+ {otherwise it's curtains at once} Rg7 32. Rc2 $19)
31... Rc6 32. Rb1 (32. Rxc6 Qxc6 33. a4 Qxa4 34. Kg1 Qa1+ 35. Kg2 a5 36. g4 Qb2
37. Qxb2 Bxb2 38. Kf3 a4 39. gxf5 a3 40. Kxe3 Bf6 41. Kd3 a2 42. h4 a1=Q 43.
Ke3 Qc3+ 44. Ke2 h5 45. Kf2 Qd3 46. Kg1 Qf3 47. Kh2 Qg4 48. Kh1 Qh3+ 49. Kg1
Bd4#) 32... Rb6 (32... Qe4 33. Rb7+ Kg6 34. h4 Rc2 35. h5+ Kf6 36. Qxc2 Qxc2+
37. Kh3 Qe4 38. Kh2 Qxb7 39. a4 Qf3 40. g4 Qxg4 41. a5 e2 42. Kh1 Qg1#) 33. Rc1
Rb2 34. Rc2 Rb1 (34... Qxa2 $1 35. Rxb2 Qxb2 36. Qxb2 Bxb2 37. Kg2 a5 38. Kf3
a4 39. Kxe3 a3 40. g4 a2 41. Kd3 fxg4 42. hxg4 a1=Q 43. Ke4 Qd1 44. f5 Qd4+ 45.
Kf3 Qd3+ 46. Kf2 Bd4+ 47. Kg2 Qe2+ 48. Kh3 Qf1+ 49. Kg3 Be5+ 50. Kh4 Qh1#) 35.
Qg2 $19 Qxg2+ 36. Kxg2 Rd1 37. Rc7+ (37. Re2 h5 38. Rxe3 Bxe3 39. Kf3 Rg1 40.
Kxe3 Rxg3+ 41. Kf2 h4 42. Ke2 Rxh3 43. Kf1 Rh2 44. a4 h3 45. Kg1 Rd2 46. Kh1
Kg6 47. Kg1 Kh5 48. Kh1 Rd1+ 49. Kh2 Kg4 50. a5 Kf3 51. Kxh3 Rh1#) 37... Kg8
38. Kf3 Rd2 39. g4 Rf2+ 40. Kg3 e2 41. Re7 Kf8 42. Re6 Kf7 43. gxf5 Bc5 44. h4
Bd4 (44... h5 $142 $19 {and Black wins}) 45. h5 Bc5 46. Re5 (46. a3 $19 {
what else?}) 46... Kf6 47. a3 Bd4 48. Re8 (48. a4 Rxf4 49. Rxe2 Be5 $19) 48...
Kxf5 49. a4 Rxf4 50. Rxe2 (50. Rxe2 Be5 51. Kg2 Rxa4 52. Kf2 $19) 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "3.5"]
[White "WATANABE, Katsumi"]
[Black "NAKAMURA, Mitsuru"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1705"]
[BlackElo "1125"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "90"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] E60: King's Indian: Unusual lines and Fianchetto Variation
without Nc3} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. e3 d6 5. Be2 O-O 6. O-O e5 $146 (
6... Bf5 7. d5 (7. Qb3 b6 8. Rd1 Nc6 9. Nc3 Na5 10. Qa4 c5 11. Bd2 Rc8 12. dxc5
bxc5 13. e4 Bd7 14. Qc2 Nc6 15. h3 Ne8 16. Nd5 e6 17. Nf4 Qb6 18. Nd3 e5 19.
Be3 Nf6 20. Nd2 Nd4 21. Bxd4 cxd4 {Hamitevici,V (2490)-Bok,B (2525) Rhodes
2013 1-0 (61)}) 7... c6 8. Nc3 cxd5 9. cxd5 Ne4 10. Nxe4 Bxe4 11. Ng5 Bf5 12.
e4 Bd7 13. Be3 Na6 14. Bxa6 bxa6 15. Bd4 Bxd4 16. Qxd4 Qb6 17. Qd2 Rab8 18. b3
a5 19. Rac1 Rfc8 20. Nf3 a4 21. bxa4 {Sumets,A (2633)-Rambaldi,F (2413)
Wunsiedel 2014 1/2-1/2}) (6... Nc6 7. d5 Nb8 8. Nc3 Na6 9. Nd4 Bd7 10. Bf3 Rb8
11. Rb1 e5 12. dxe6 fxe6 13. b4 Qe7 14. Ndb5 Ne8 15. Bd2 c6 16. Nxa7 Qh4 17. b5
cxb5 18. cxb5 Nc5 19. b6 Be5 20. h3 Ng7 21. a3 {Galliamova,A (2478)
-Guramishvili,S (2370) Chakvi 2015 1-0 (79)}) 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nxe5
Nbd7 {Black threatens to win material: Nd7xe5} (9... Ne4 10. Nd3 $11) 10. Nf3 (
10. Nxd7 Bxd7 11. Nc3 Be6 $14) 10... Ne4 11. Rd1 b6 12. Nbd2 {White threatens
to win material: Nd2xe4} Bb7 13. Nb3 (13. Nxe4 Bxe4 14. Nd4 c5 $11) 13... a5
$11 14. Nbd4 Ndc5 15. Rb1 f5 {White has a cramped position} 16. Bd2 Kf7 {
Black king safety dropped} (16... Nxd2 17. Rxd2 Rd7 18. Rbd1 $11) 17. Be1 $14
h5 18. a3 a4 {White has a cramped position} 19. Bb4 Nb3 (19... Rac8 20. Nb5
Rxd1+ 21. Rxd1 Bxb2 22. Nfd4 $11) 20. Nxb3 (20. Nb5 $5 c5 21. Bc3 $16) 20...
axb3 $11 21. c5 (21. Be1 Bf6 $11) 21... bxc5 $15 22. Bc4+ {A valuable piece} (
22. Rxd8 Rxd8 23. Be1 $17) 22... Ke7 $17 23. Be1 (23. Rxd8 $5 Rxd8 24. Ba5 $17)
23... Rxd1 $19 24. Rxd1 Bxb2 25. Nh4 $2 (25. Rb1 Bf6 26. Bxb3 Rxa3 $19) 25...
Nd6 (25... Rxa3 $142 $5 {makes it even easier for Black} 26. Nxg6+ Kf6 27. Nf8
$19) 26. Bxb3 Rxa3 27. Bc2 Kf6 28. Nf3 (28. Kf1 c4 29. Bb4 Ra6 $19) 28... Bxf3
(28... Be4 $142 $5 {keeps an even firmer grip} 29. h4 c4 30. Rb1 $19) 29. gxf3
g5 30. Kg2 Bc3 31. e4 $2 (31. Rd3 $142 Nb5 32. Bxc3+ Rxc3 33. Rd2 $17) 31...
Bxe1 $19 32. Rxe1 fxe4 33. fxe4 (33. Bxe4 c4 $19) 33... Ke5 34. f3 (34. Rd1 c6
$19) 34... Ra2 35. Re2 (35. Rc1 {the last chance for counterplay} Nc4 36. Kg1
$19) 35... Nb5 36. Bd3 Rxe2+ 37. Bxe2 Nd4 38. Bd1 (38. Bc4 Kf4 39. e5 Kxe5 40.
Kg3 Nf5+ 41. Kf2 $19) 38... Kf4 (38... c4 39. Kf2 Kf4 $19) 39. h3 c4 40. h4 (
40. Kf2 {doesn't get the cat off the tree} c3 41. e5 Kxe5 42. Ke1 c2 43. Bxc2
Nxc2+ 44. Ke2 Nd4+ 45. Ke3 h4 46. Kd2 Nxf3+ 47. Kd3 g4 48. Ke3 Ne1 49. hxg4 h3
50. g5 h2 51. g6 h1=Q 52. g7 Qf3+ 53. Kd2 Qf2+ 54. Kd1 Nf3 55. Kc1 Nd4 56. Kd1
Qc2+ 57. Ke1 Qe2#) 40... gxh4 41. Kh3 (41. Kg1 {does not solve anything} c3 42.
Kh2 c2 43. Bxc2 Nxc2 44. Kg1 Nd4 45. Kf2 h3 46. e5 h4 47. e6 Nxe6 48. Ke2 h2
49. Kd2 h1=Q 50. Kc2 Qxf3 51. Kb1 Nd4 52. Kc1 Qb3 53. Kd2 Qc2+ 54. Ke1 Qe2#)
41... c3 42. Kxh4 (42. e5 {doesn't improve anything} Kxe5 43. Kxh4 c2 44. Bxc2
Nxc2 45. Kg5 Nd4 46. f4+ Ke4 47. Kh4 Kxf4 48. Kh3 c5 49. Kg2 h4 50. Kf1 Kf3 51.
Kg1 c4 52. Kh2 c3 53. Kh3 c2 54. Kxh4 c1=Q 55. Kh5 Qg1 56. Kh6 Ne6 57. Kh7 Qg7#
) 42... c2 43. Bxc2 Nxc2 44. Kxh5 (44. Kh3 {is not much help} Nd4 45. e5 c5 46.
Kg2 h4 47. Kh3 c4 48. e6 Nxe6 49. Kxh4 c3 50. Kh5 c2 51. Kg6 c1=Q 52. Kf7 Kf5
53. Ke7 Qc7+ 54. Ke8 Qd8+ 55. Kf7 Qf8#) 44... Nd4 45. Kg6 (45. e5 {doesn't get
the bull off the ice} c5 46. Kg6 Kxe5 47. Kg5 c4 48. f4+ Ke6 49. Kh5 c3 50. Kg4
c2 51. f5+ Nxf5 52. Kf3 c1=Q 53. Ke2 Qc2+ 54. Kf3 Qd2 55. Kg4 Qe3 56. Kh5 Qf4
57. Kg6 Qh6#) 45... Ke5 (45... Ke5 46. Kh5 c5 47. f4+ Kxf4 48. e5 Kxe5 49. Kg6
c4 50. Kh6 c3 51. Kg6 c2 52. Kg7 c1=Q 53. Kg6 Qc7 54. Kg5 Qg7+ 55. Kh5 Kf4 56.
Kh4 Qh7#) (45... Nxf3 46. Kf6 c5 47. Kf7 c4 48. Ke7 c3 49. Kd6 c2 50. Kc5 c1=Q+
51. Kb6 Nd4 52. Ka5 Qb1 53. Ka6 Qb5+ 54. Ka7 Nc6+ 55. Ka8 Qb8#) 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "3.6"]
[White "TAKEUCHI, Hiroshi"]
[Black "KOBAYASHI, Katsuhiko"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1248"]
[BlackElo "1488"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "84"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] A40: Unusual replies to 1 d4} 1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. e3
Bb4 5. Bd2 (5. Nge2 f5 6. a3 Bd6 7. d5 Nf6 8. g3 a5 9. Bg2 Na6 10. O-O O-O 11.
b3 Nc5 12. Bb2 Qe7 13. Nd4 Nce4 14. Nxe4 fxe4 15. dxe6 dxe6 16. Qc2 e5 17. Nb5
Qf7 18. Rad1 Rad8 19. Rd2 Bc6 {Gurevich,M (2625)-Kengis,E (2590) Tilburg 1992
1/2-1/2 (44)}) 5... Nf6 $146 (5... f5 6. Nf3 Nf6 7. g3 (7. a3 Be7 8. Bd3 O-O 9.
O-O d6 10. Qe2 Ne4 11. Be1 Nd7 12. Rc1 Ndf6 13. Nd2 Nxc3 14. Rxc3 Ne4 15. Rc1
Bf6 16. Nxe4 fxe4 17. Bb1 d5 18. c5 a5 19. b4 c6 20. Qg4 Bc8 21. Qh5 Ba6 {
Ushakova,I (2182)-Ivanov,J (2382) Riazan 2007 0-1 (46)}) 7... Bxc3 8. Bxc3 Ne4
9. Rc1 d6 10. Bg2 Nd7 11. d5 Nxc3 12. Rxc3 e5 13. e4 fxe4 14. Nd2 Nf6 15. Nxe4
O-O 16. O-O Qe7 17. Ng5 Bc8 18. f4 Bg4 19. Bf3 Bd7 20. Re3 {Yanchenko,R (2384)
-Pridorozhni,A (2569) Vladivostok 2015 0-1 (75)}) 6. Bd3 $4 {releasing the
pressure on the opponent} (6. f3 $142 $11 {would bring relief}) 6... Bxc3 (6...
Bxg2 $142 {makes it even easier for Black} 7. Nce2 Bxd2+ 8. Kxd2 Bxh1 9. f3 $19
) 7. Bxc3 Bxg2 8. Nf3 (8. f3 {hoping against hope} Bxh1 9. Qe2 $19) 8... Bxh1
9. Kd2 Bxf3 10. Qxf3 d5 11. Rg1 g6 12. Qf4 (12. Kc2 {cannot undo what has
already been done} c6 $19) 12... Ne4+ (12... Nbd7 $142 {and Black wins} 13. c5
$19) 13. Bxe4 dxe4 14. Qxe4 Nd7 15. d5 (15. Ke2 $19 {doesn't get the cat off
the tree}) 15... f5 (15... O-O $142 $19 {and Black has it in the bag}) 16.
Qxe6+ $11 Qe7 17. Bxh8 Qxe6 18. dxe6 Nc5 19. Bf6 $4 {not a good decision,
because now the opponent is right back in the game} (19. Ke2 $142 $11 {was
necessary}) 19... Ne4+ $19 20. Kd3 Nxf6 21. Kd4 (21. Ke2 {does not win a prize}
Rd8 $19) 21... Ke7 (21... Rd8+ {seems even better} 22. Kc3 Ne4+ 23. Kb3 Rd3+
24. Ka4 Nxf2 25. Kb5 Rxe3 26. h4 $19) 22. Ke5 (22. f3 {doesn't do any good}
Kxe6 23. b3 Rd8+ 24. Kc3 f4 $19) 22... Ng4+ 23. Kf4 (23. Kd5 {cannot change
destiny} Rd8+ 24. Kc6 Rd2 $19) 23... Kxe6 (23... Nxf2 $142 $5 {keeps an even
firmer grip} 24. Kf3 Nd3 25. b3 $19) 24. e4 Nxf2 25. exf5+ gxf5 26. Rg7 Nd3+
27. Kg5 (27. Kf3 {cannot change what is in store for White} Nxb2 28. Rxc7 h5
$19) 27... f4 (27... Rf8 28. Kh4 f4 29. Rg1 Nxb2 30. Re1+ Kf5 31. Kh3 $19) 28.
Kg4 Rf8 29. Kf3 Nxb2 30. Rxh7 (30. Rxc7 {desperation} Rf7 31. Rc8 $19) 30...
Nxc4 31. Rh6+ Kf5 32. Rh5+ Kg6 33. Rd5 c5 (33... Rf5 $142 {might be the
shorter path} 34. Rd1 $19) 34. h4 (34. h3 {doesn't change anything anymore} Rf5
35. Rd1 Ne5+ 36. Ke4 f3 $19) 34... Rf5 35. Rd8 (35. Rd1 {is not the saving move
} Ne5+ 36. Kg2 Rh5 $19) 35... Ne5+ 36. Kf2 f3 37. Rg8+ Kf7 38. Rg3 c4 (38...
Nd3+ 39. Kg1 c4 40. Rg4 c3 41. Rc4 Rc5 42. Rd4 c2 43. Rd7+ Ke6 44. Rxd3 c1=Q+
45. Kf2 Qc2+ 46. Kxf3 Qxd3+ 47. Kg4 Rf5 48. h5 Qf3+ 49. Kh4 Rxh5#) 39. Rg5 Rxg5
40. hxg5 (40. Ke3 {doesn't change the outcome of the game} Rg4 41. a4 c3 42. a5
c2 43. Kd2 Rg2+ 44. Ke3 c1=Q+ 45. Kd4 Rg4+ 46. Kxe5 Qc5#) 40... c3 41. Ke3 (41.
Kg3 {cannot undo what has already been done} c2 42. g6+ Kxg6 43. Kf4 c1=Q+ 44.
Kxe5 Qd2 45. Ke6 f2 46. a4 f1=Q 47. Ke5 Qf5#) 41... c2 42. Kd2 (42. g6+ {
does not improve anything} Kxg6 43. Kd2 f2 44. Kxc2 f1=Q 45. Kd2 Qd3+ 46. Ke1
Ng4 47. a4 Qc2 48. a5 bxa5 49. Kf1 Qf2#) 42... f2 (42... f2 43. Kxc2 f1=Q 44.
Kd2 Qd3+ 45. Ke1 Ng4 46. g6+ Kxg6 47. a4 Qc2 48. a5 bxa5 49. Kf1 Qf2#) 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.07"]
[Round "3.7"]
[White "ABE, Takahiro"]
[Black "KOYAHATA, Taku"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1425"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "62"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6
3 Bf4} 1. d4 d5 2. Nf3 Nf6 3. c3 e6 4. Bf4 Be7 (4... Bd6 5. e3 O-O 6. Nbd2 b6
7. Ne5 Nfd7 8. Bd3 Bxe5 9. dxe5 Ba6 10. Bc2 Nc6 11. Nf3 f6 12. exf6 Nxf6 13.
Nd4 Nxd4 14. Qxd4 c5 15. Qe5 Qe8 16. h3 Rc8 17. O-O-O b5 18. Qg5 b4 19. Be5 {
Soppe,G (2471)-Milov,V (2626) Buenos Aires 2000 0-1 (37)}) 5. e3 (5. h3 O-O 6.
e3 b6 7. Nbd2 c5 8. Ne5 Nfd7 9. Nxd7 Qxd7 10. Nf3 Ba6 11. Ne5 Qb7 12. Nd3 Nd7
13. Be2 Rfe8 14. O-O Bf6 15. Re1 Rad8 16. Qa4 Bc4 17. Qc2 h6 18. Red1 a5 19.
Bf3 Qa7 {Mesropov,K (2419)-Makhmutov,R (2315) Moscow 2012 1/2-1/2 (45)}) 5...
O-O 6. Bd3 Nbd7 $146 (6... b6 7. Ne5 Bb7 8. O-O c5 9. Nd2 a6 10. Qf3 Nbd7 11.
Qh3 Re8 12. Ndf3 Nxe5 13. Nxe5 g6 14. g4 Kg7 15. Bh6+ Kg8 16. Qf3 Rf8 17. Bxf8
Qxf8 18. Qg2 Ne4 19. f3 Nd6 20. dxc5 bxc5 21. Nd7 {Tologontegin,S (2335)
-Akkozov,B (2369) Tashkent 2011 1/2-1/2 (51)}) 7. Nbd2 c5 {Black's piece can't
move: c8} 8. O-O b5 (8... Nh5 9. Qc2 h6 10. Be5 $11) 9. Ne5 (9. Bxb5 $5 Qb6 10.
Qa4 $16) 9... Qb6 $11 10. Rc1 Bd6 11. c4 cxd4 12. Qf3 $4 {there were better
ways to keep up the pressure} (12. Nxd7 $142 {this is the best bet to save the
position} Nxd7 13. cxd5 Bxf4 14. exf4 $11) 12... Nxe5 $19 13. Bxe5 Bxe5 14. c5
Qc6 (14... Qb8 {keeps an even firmer grip} 15. g3 dxe3 16. Qxe3 Bxb2 17. Rb1
$19) 15. Nb3 (15. exd4 {does not help much} Bxd4 16. Rc2 e5 $19) 15... a6 (
15... dxe3 $142 {makes sure everything is clear} 16. fxe3 Bxb2 17. Nd4 Bxd4 18.
exd4 $19) 16. exd4 Bc7 17. Rfe1 (17. Qe2 Bb7 $19) 17... Bb7 18. Qh3 Rfe8 19. g3
(19. Qf3 Bc8 $19) 19... e5 20. f4 (20. Qg2 {is not much help} e4 21. Be2 h6 $19
) 20... Bc8 (20... exf4 $142 $5 {seems even better} 21. gxf4 Bxf4 22. Rcd1
Rxe1+ 23. Rxe1 $19) 21. Qh4 (21. f5 {hardly improves anything} exd4 22. Qh4
Rxe1+ 23. Rxe1 Bb7 $19) 21... exf4 22. Rf1 (22. gxf4 {is no salvation} Ne4 $19)
22... h6 (22... Re3 $142 {and Black takes home the point} 23. Rcd1 fxg3 24. h3
$19) 23. gxf4 (23. Rxf4 {doesn't get the bull off the ice} Bxf4 24. Qxf4 Bg4
$19) 23... Bg4 24. Rce1 Rxe1 25. Rxe1 Bxf4 26. h3 Bg5 27. Qg3 Bxh3 (27... Be6
$142 {and Black can already relax} 28. h4 Nh5 29. Qf2 $19) 28. Re5 (28. Qxh3
Re8 29. Kf1 $19) 28... Be6 29. Na5 (29. Qf3 {doesn't improve anything} Re8 $19)
29... Qc7 30. b4 (30. Rxg5 {a fruitless try to alter the course of the game}
Qxa5 31. Rxg7+ Kf8 32. Qg2 Qe1+ 33. Bf1 Qe3+ 34. Kh1 Qxd4 35. Rg3 $19) 30...
Nd7 (30... Ng4 $142 {and the rest is a matter of technique} 31. Kg2 Nxe5 32.
Qxe5 Qxe5 33. dxe5 d4 $19) 31. Qf2 $4 {terrible, but the game is lost in any
case} (31. Rxg5 $142 Qxg3+ 32. Rxg3 $17) 31... Nxe5 $19 (31... Nxe5 32. dxe5
Qxe5 $19) 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "4.1"]
[White "DRAKAKIS, Athanasios"]
[Black "BRINKMANN, Leonard"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "1816"]
[BlackElo "1762"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "70"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] A43: Schmid Benoni} 1. d4 c5 2. e3 e6 (2... d6 3. Nf3 Nd7 4. c4 g6
5. Nc3 Bg7 6. Be2 a6 7. O-O b6 8. d5 h6 9. e4 Nf8 10. Re1 e5 11. dxe6 Nxe6 12.
Be3 g5 13. Nd5 Ne7 14. Rb1 O-O 15. Nd2 Nxd5 16. exd5 Nd4 17. Bd3 {Tibensky,R 
(2440)-Mrva,M (2410) Slovakia 1997 0-1 (46)}) 3. Bd3 (3. c3 b6 4. Nf3 Bb7 5.
Bd3 f5 6. Ne5 Nf6 7. O-O Be7 8. f4 O-O 9. Nd2 d6 10. Nef3 Ne4 11. Qe2 Nd7 12.
Bc4 Rf6 13. Nxe4 fxe4 14. Ng5 d5 15. Bb5 a6 16. Ba4 Rg6 17. Nh3 b5 {Mugosa,S 
(2159)-Milovic,J (2377) Tivat 2011 0-1 (39)}) 3... cxd4 $146 (3... d5 4. c3 Nc6
5. f4 g5 6. Nh3 h6 7. fxg5 hxg5 8. e4 cxd4 9. O-O Be7 10. cxd4 dxe4 11. Bb5 f5
12. Nc3 Qd6 13. Be3 Bd7 14. Be2 O-O-O 15. Nb5 Qb8 16. Rc1 a6 17. a4 axb5 18.
axb5 {Cirabisi,F (2240)-Zelcic,R (2485) Montecatini Terme 1994 1/2-1/2 (39)}) (
3... a6 4. Nf3 Nf6 5. O-O d5 6. c3 Nbd7 7. Nbd2 b5 8. Qe2 Bb7 9. e4 dxe4 10.
Nxe4 Nxe4 11. Bxe4 Bxe4 12. Qxe4 Be7 13. dxc5 Bxc5 14. Rd1 Qc8 15. Qg4 Qc6 16.
Bg5 f6 17. Re1 Kf7 18. Be3 {Dostan,J (2307)-Kadas,G (2226) Hungary 2003 1-0 
(32)}) 4. exd4 Nc6 5. c3 {Covers b4} Nf6 6. Nf3 d6 {Controls e5} 7. O-O Be7 8.
Re1 O-O 9. Bc2 b6 10. Nbd2 Bb7 11. Ne4 Rc8 12. Nxf6+ Bxf6 13. Qd3 g6 14. Bh6 {
White threatens to win material: Bh6xf8} Re8 15. Ba4 a6 {Consolidates b5} 16.
Re3 (16. d5 exd5 17. Rxe8+ Qxe8 18. Qxd5 Qe7 19. Bxc6 Bxc6 $11) 16... b5 17.
Bb3 Na5 18. Rae1 Nxb3 19. axb3 {Black has the pair of bishops} Qd7 20. Ng5 Qc6
{Black has a mate threat} 21. Ne4 {White threatens to win material: Ne4xf6} Bh8
22. Rg3 (22. d5 $142 Qd7 23. dxe6 Rxe6 24. f3 Bxe4 25. Rxe4 $11) 22... Rcd8 $4
{hands over the advantage to the opponent} (22... f5 23. Nd2 $11) 23. h4 $4 {
an unfortunate move that relinquishes the win} (23. Qf3 $142 {and White could
have gained the advantage} f5 24. Qh5 $18) 23... Qd5 {Black threatens to win
material: Qd5xb3} (23... e5 24. Bg5 d5 25. Nc5 exd4 26. Rxe8+ Rxe8 27. cxd4
Re1+ 28. Kh2 $11) 24. Rg5 (24. Bg5 Rc8 $14) 24... Qxb3 25. h5 Bxe4 26. Qxe4 f6
$4 {throws away the game} (26... Bg7 $142 {would save the game} 27. Bxg7 Kxg7
$11) 27. Rxg6+ $1 {Mate attack} Kf7 (27... hxg6 28. Qxg6+ {Mate attack}) 28.
Rg3 (28. Rxf6+ $1 Kxf6 29. Qf3+ Ke7 30. Bg5+ Bf6 31. Bxf6+ Kf7 32. Bxd8+ Kg8
33. Qg3+ Kf7 34. Qf4+ Kg8 35. Qg5+ Kf7 36. Qf6+ Kg8 37. h6 Re7 38. Bxe7 Qxc3
39. Qg7#) 28... f5 $18 29. Qb7+ Re7 30. Qxa6 (30. Qb6 Red7 $18) 30... Bf6 31.
Qa3 {White threatens to win material: Qa3xb3} (31. Qc6 Qxb2 32. Bf4 Qa3 $18)
31... Qc4 (31... Qxa3 $5 {should be examined more closely} 32. bxa3 Rc8 $14)
32. b3 Qc6 33. Qb2 Rb8 (33... Rg8 34. Rxg8 Kxg8 35. b4 $16) 34. Qd2 (34. Bg5
$142 Bxg5 35. Rxg5 $18) 34... Ree8 $4 {Black falls apart} (34... Rg8 $142 35.
Rxe6 $1 {Decoy: e6} Rxe6 36. Rxg8 Kxg8 $16) 35. Qe3 (35. Bg5 $142 {and White
takes home the point} Bg7 36. Bh4 $18) 35... Qd5 1/2-1/2

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "4.2"]
[White "SUGIMOTO, Koichi"]
[Black "THRAINSSON, Throestur"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1982"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "56"]
[SourceVersionDate "2018.10.07"]

{A80: Dutch Defence: Unusual White second moves} 1. d4 f5 2. Nc3 e6 3. e4 (3.
Bf4 d5 4. Nf3 Bd6 5. e3 Nf6 6. Bd3 Ne4 7. Ne2 O-O 8. O-O g5 9. Bxd6 cxd6 10. c4
dxc4 11. Bxc4 Rf6 12. Nc3 Rh6 13. Nxe4 fxe4 14. Nd2 d5 15. Bb3 Qc7 16. f4 exf3
17. Nxf3 Nc6 {Izquierdo,D (2261)-Rodriguez Vila,A (2518) Montevideo 2012 0-1 
(31)}) 3... Bb4 4. exf5 exf5 5. Bd3 {White threatens to win material: Bd3xf5}
Qf6 $146 (5... d5 6. Qf3 Ne7 7. Nge2 O-O 8. O-O c6 9. Bf4 Ng6 10. Rae1 Nd7 11.
a3 Nxf4 12. Nxf4 Bxc3 13. bxc3 Nf6 14. c4 Ne4 15. Qe2 Qa5 16. f3 Nf6 17. cxd5
cxd5 18. Qe7 Bd7 19. Qb4 Qxb4 20. axb4 {Paulsen,L-Kolisch,I London 1861 1/2-1/2
}) 6. Nf3 h6 7. O-O Ne7 8. Bf4 (8. Nb5 Kd8 $16) 8... d6 (8... Bxc3 9. bxc3 d6
10. Rb1 $16) 9. Bc4 (9. Nb5 $5 Kd8 10. c3 $16) 9... Bxc3 $14 10. bxc3 g5 11.
Bc1 g4 {This push gains space} 12. Ne1 Be6 {Black threatens to win material:
Be6xc4} 13. Qe2 d5 $2 (13... Bxc4 $142 $5 {and Black has air to breath} 14.
Qxc4 Nbc6 $14) 14. Bb3 $16 Nbc6 15. Nd3 b6 (15... Bf7 16. Re1 $16) 16. Rb1 (16.
Nf4 $5 Bf7 17. Nxd5 Bxd5 18. Bxd5 $18) 16... O-O-O $16 17. Ba4 (17. Bf4 Kb8 $16
) 17... Kb8 $14 18. Nc5 {White threatens to win material: Nc5xe6} Bc8 19. Na6+
(19. f3 gxf3 20. Qxf3 Na5 $11) 19... Bxa6 $11 20. Qxa6 {Black king safety
dropped} Qd6 (20... f4 21. Re1 $11) 21. Bb5 (21. Re1 Ng6 $14) 21... Ka8 (21...
f4 $5 $11) 22. Ba3 {White threatens to win material: Ba3xd6} Qf6 23. Rfe1 Rh7 (
23... Nc8 24. Qa4 Na5 25. Re5 $16) 24. Re2 f4 (24... Ng6 $5 25. Qa4 Nb8 $16)
25. Rbe1 $18 Nb8 26. Qa4 Nc8 27. Re6 Qh4 (27... Qf7 28. Be8 Qg8 29. c4 $18) 28.
g3 f3 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "4.3"]
[White "NISHIMORI, Toshiyuki"]
[Black "YOSHII, Yukihiko"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "1797"]
[BlackElo "1820"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "66"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines} 1. e4 e5 2. Nf3
Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 h6 9. Nf3 {
White threatens to win material: Nf3xe5} Bd6 $146 (9... e4 10. Qe2 (10. Ne5 Qd4
11. Bxc6+ Nxc6 12. Nxc6 Qc5 13. Nxa7 Bg4 14. f3 exf3 15. gxf3 Be6 16. Nc3 Qxa7
17. Qe2 Be7 18. Qb5+ Nd7 19. Qc6 O-O 20. Nd5 Bh4+ 21. Kd1 Ne5 22. Qb5 Nxf3 23.
Ne3 Rad8 24. d3 Bg5 {Phanikanth,J (2161)-Trenner,R (2261) Olomouc 2002 0-1})
10... Be7 (10... Be6 11. Ne5 Qd4 12. Bxc6+ Nxc6 13. Qb5 Bc5 14. Qxc6+ Ke7 15.
Qb7+ Kd6 16. O-O Kxe5 17. d3 Ng4 18. Nc3 Qb4 19. d4+ Qxd4 20. Bf4+ Kf5 21. Be3
Qb4 22. Qc6 Nxe3 23. fxe3+ Kg6 24. Rxf7 Qc4 25. Rc7 {Orujov,E (2185)-Davidov,S
(2326) Baku 2007 0-1 (39)}) 11. Ne5 Qc7 12. d4 exd3 13. Nxd3 O-O 14. Bf4 Bd6
15. Bxd6 Qxd6 16. O-O Re8 17. Qf3 Bg4 18. Qg3 Qd4 19. Bb3 Be2 20. Rc1 Nxb3 21.
axb3 Nh5 22. Qc7 Bxd3 23. cxd3 Nf4 24. Nc3 {Marie,M (2168)-Lalic,B (2492)
Nantes 2013 0-1}) (9... e4 $5 {is worth looking at} 10. Qe2 Be6 $15) 10. d3 $14
{White has a cramped position} Qc7 11. h3 {Secures g4} (11. Nc3 O-O $14) 11...
O-O (11... e4 12. Nfd2 $11) 12. O-O $14 Bb7 (12... e4 13. dxe4 Nxe4 14. Nbd2
$14) 13. Bd2 (13. Nc3 Rfe8 $16) 13... c5 (13... e4 14. Nh4 Ba6 15. Nf5 $11) 14.
Nc3 $14 a6 {Black has a very active position} 15. Re1 Nc6 16. Ne4 Nxe4 17. dxe4
Rad8 18. c3 {Prevents intrusion on b4+d4} c4 19. Qe2 {White threatens to win
material: Qe2xc4} Nb8 (19... Ne7 20. Bc2 $16) 20. Rad1 Nd7 21. Bxd7 (21. Nh4 $5
Nf6 22. Bc2 $16) 21... Rxd7 $14 {Black has the pair of bishops} 22. Nh4 Rfd8
23. Nf5 Bf8 24. Bc1 Rxd1 25. Rxd1 Rxd1+ 26. Qxd1 Bxe4 27. Ng3 (27. Qg4 $5 Bxf5
28. Qxf5 $11) 27... Bd3 {Menacing} 28. Qg4 Qc6 29. Nf5 {White threatens to win
material: Nf5xh6} Kh7 30. Qg3 $4 (30. Ne3 $142 $15 {would bring relief}) 30...
Bxf5 $19 31. Qxe5 Qg6 32. g4 (32. Qe3 {hardly improves anything} Bd6 $19) 32...
Bd3 (32... Be4 {seems even better} 33. Bf4 $19) 33. f4 (33. Qe3 $19 {the last
chance for counterplay}) 33... Qe4 (33... Qe4 34. Qxe4+ Bxe4 $19) 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "4.4"]
[White "KOBAYASHI, Katsuhiko"]
[Black "WATANABE, Katsumi"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1488"]
[BlackElo "1705"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "74"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] C45: Scotch Game} 1. e4 e5 2. Nf3 d6 3. Be2 (3. Bb5+ Nd7 4. O-O a6
5. Bxd7+ Bxd7 6. Re1 c5 7. c3 c4 8. b3 b5 9. d3 cxd3 10. Qxd3 h6 11. Ba3 Be6
12. Nbd2 Nf6 13. c4 Be7 14. cxb5 Qa5 15. Nc4 Bxc4 16. Qxc4 O-O 17. Bb4 axb5 {
Ma,Q (2475)-Zeng,C (2400) Chennai 2012 0-1 (41)}) 3... Nf6 4. Nc3 $146 (4. d3
g6 (4... Nc6 5. c3 g6 6. O-O Bg7 7. Re1 O-O 8. a4 d5 9. Nbd2 h6 10. a5 a6 11.
Bf1 Re8 12. Qb3 Be6 13. Qa4 Qd7 14. exd5 Nxd5 15. Ne4 Qe7 16. b3 f5 17. Ba3 Qf7
18. c4 fxe4 19. cxd5 {Plane,B (2160)-Le Roux,J (2285) Plancoet 2001 0-1 (33)})
5. O-O Bg7 6. Nbd2 O-O 7. Re1 c5 8. Nc4 b5 9. Ne3 Bb7 10. Bf1 Nbd7 11. Bd2 h6
12. h3 Re8 13. c4 b4 14. a4 a5 15. b3 Nf8 16. Ra2 Bc8 17. Nh2 h5 18. Nf3 Ne6 {
Hussein,H (2366)-Hakki,I (2429) Amman 2008 1/2-1/2}) 4... Be7 5. O-O O-O 6. d3
Nc6 7. Bg5 h6 8. Be3 Nh7 (8... d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. c3 $11) 9. Nd5
$14 f5 10. Nxe7+ Nxe7 11. c3 f4 {Black threatens to win material: f4xe3} 12.
Qb3+ Kh8 13. Bd2 b6 14. d4 Ng6 15. dxe5 dxe5 16. Rad1 Qe7 17. c4 c5 18. Bc3 Bg4
19. Rfe1 (19. Rd5 $5 Bxf3 20. Bxf3 $11) 19... Bxf3 $15 20. Bxf3 Nh4 21. Kh1 $2
(21. Rd5 $142 {would allow White to play on} Nxf3+ 22. gxf3 Qg5+ 23. Kh1 $15)
21... Nxf3 $19 22. gxf3 Rae8 (22... Ng5 $142 $5 23. Rg1 Nxf3 $19) 23. Rd5 $15 {
White threatens to win material: Rd5xe5} Qh4 {Black threatens to win material:
Qh4xf2} 24. Qc2 (24. Rg1 Ng5 25. Bxe5 Rf7 $15) 24... Ng5 25. Rd3 $4 {causes
even greater problems} (25. Qe2 $142 $5 $17) 25... Qh3 (25... Rd8 $142 {
might be the shorter path} 26. Bxe5 Qh3 27. Bxg7+ Kxg7 $19) 26. Qe2 $4 {
but even a better move would not have saved the game} (26. Qd1 b5 $1 {the end,
the rest is history} 27. Rg1 bxc4 $19) 26... Rf6 (26... Rd8 $142 {secures the
point} 27. Rxd8 Rxd8 $19) 27. Rg1 (27. Qf1 Qh5 28. Qg2 $19) 27... Qe6 (27...
Rg6 28. Rgd1 Rd6 29. Rg1 $19) 28. Rxg5 $4 {letting the wind out of his own
sails} (28. Rd5 Qh3 29. Rd3 $19) 28... hxg5 $19 29. Rd5 $2 (29. Qf1 $142 Qxc4
30. Bxe5 $19) 29... Qh3 30. Bxe5 (30. Qd1 {no good, but what else?} Rh6 31. Qg1
Qxf3+ 32. Qg2 $19) 30... Rh6 31. Bxg7+ Kxg7 32. Rxg5+ Kh7 (32... Kf7 33. Rf5+
Kg6 34. Rf6+ Kxf6 35. e5+ Kg5 36. Kg1 Qxh2+ 37. Kf1 Qh1#) 33. Rg2 Rg8 34. Qf1
Qxf3 35. e5 (35. b3 {does not improve anything} Rhg6 36. e5 Rxg2 37. Qd3+ Qxd3
38. e6 Qb1#) 35... Rhg6 36. e6 (36. a4 {does not solve anything} Rxg2 37. Qd3+
Qxd3 38. b3 Qd1#) 36... Rxg2 37. e7 (37. Qd3+ {is no salvation} Qxd3 38. b3
Qb1#) 37... Rg1# 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "4.5"]
[White "SATO, Yasuji"]
[Black "KOYAHATA, Taku"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1585"]
[BlackElo "1425"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "116"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] B50: Sicilian: 2...d6, Miscellaneous} 1. e4 c5 2. Nf3 d6 3. Bc4
Nf6 4. c3 Nxe4 5. O-O $146 (5. Qa4+ Nc6 6. Bxf7+ Kxf7 7. Qxe4 h6 (7... Qd7 8.
O-O Qf5 9. Qe2 e6 10. d4 Be7 11. dxc5 Qxc5 12. Nbd2 Rf8 13. Ne4 Qf5 14. Bg5 Rd8
15. Nh4 Qa5 16. Bxe7 Kxe7 17. b4 Qb6 18. Qh5 Rd7 19. Rad1 Ne5 20. Qxh7 Kd8 21.
Qg8+ Kc7 22. Qxe6 {Lazic,Z (2180)-Kadric,D (2331) Obrenovac 2010 1-0 (38)}) (
7... e5 8. O-O Be7 9. d4 exd4 10. cxd4 g6 11. Nc3 Bf5 12. Qf4 Kg7 13. dxc5 dxc5
14. Rd1 Qc8 15. Qh6+ Kf7 16. Be3 Bg4 17. Rd5 b6 18. Ne4 Bxf3 19. Qf4+ Kg7 20.
Qxf3 Rf8 21. Qg3 Qe6 22. Nc3 {Lembak,J (2265)-Gosztolya,F (2195) Sarospatak
1994 0-1 (39)}) 8. O-O (8. d4 d5 9. Ne5+ Nxe5 10. Qxe5 Qd6 11. Qh5+ Kg8 12. O-O
Rh7 13. dxc5 Qxc5 14. Be3 Qc6 15. Bd4 g6 16. Qe2 Bf5 17. Nd2 Re8 18. Be5 Rf7
19. Nb3 Qc4 20. Qe3 Qe4 21. Qxe4 Bxe4 22. Nc5 Rf5 {Kharchenko,B (2495)
-Kovalenko,I (2596) Voronezh 2013 1/2-1/2 (41)}) 8... Qd7 9. d4 cxd4 10. cxd4
Qf5 11. Qe2 g5 12. Be3 Bg7 13. Nc3 e5 14. dxe5 dxe5 15. Nb5 Rd8 16. Rad1 Rxd1
17. Rxd1 Kg8 18. Nd6 Qg6 19. Nxc8 Rxc8 {Bernard,R (2330)-Jankovec,I (2345)
Poznan 1983 1/2-1/2}) 5... Nf6 6. d4 b6 (6... d5 7. Bd3 $15) 7. Ng5 (7. dxc5 d5
8. Bb5+ Bd7 9. Bxd7+ Qxd7 $11) 7... e6 {Controls d5} 8. Re1 (8. d5 e5 $11) 8...
Be7 9. Qf3 (9. d5 $5 e5 10. Bd3 $15) 9... d5 $17 10. Na3 Nbd7 {Black has a
cramped position} (10... h6 11. Nh3 $17) 11. Bd3 Bb7 12. Bf4 cxd4 (12... c4 13.
Bxh7 Bxa3 14. Rxe6+ Kf8 $11) 13. Nb5 $14 e5 (13... O-O $142 14. Qh3 h6 15. Nxe6
fxe6 16. Qxe6+ Kh8 17. Qxe7 dxc3 18. Qxd8 Raxd8 19. bxc3 Nc5 $14) 14. Qh3 $4 {
weakening the position} (14. cxd4 $142 Ne4 15. dxe5 $16) 14... h6 $4 {forfeits
the clear win.} (14... Bc8 $142 {and Black could well hope to play on} 15. Qh4
h6 16. Nxd4 exd4 $15) 15. cxd4 (15. Ne6 $142 {might be the shorter path} exf4
16. cxd4 $18) 15... Bc8 $4 {another step towards the grave} (15... Ne4 16. dxe5
O-O 17. Nxe4 dxe4 18. Bxe4 Bxe4 19. Rxe4 $16) 16. Bf5 (16. Ne6 $142 {seems
even better} exf4 17. Nbc7+ Qxc7 18. Nxc7+ Kd8 19. Nxa8 Bb4 $18) 16... Ne4 $4 {
cause more grief} (16... O-O $142 17. dxe5 hxg5 18. Bxg5 Nxe5 19. Rxe5 Bxf5 20.
Qxf5 a6 $16) 17. Nxf7 (17. Ne6 $142 {secures victory} Bb4 18. Nbc7+ Qxc7 19.
Nxc7+ Kd8 20. Rec1 exf4 21. Nxa8 $18) 17... Kxf7 18. Qh5+ Kf8 19. Be6 Qe8 20.
Qxe8+ Kxe8 21. Nc7+ $4 {White forks: a8+d5. ruins a clearly superior position}
(21. Bxd5 $142 {and White has triumphed} Nxf2 22. Nc7+ Kd8 23. Ne6+ Ke8 24.
Nxg7+ Kf8 25. Ne6+ Kf7 26. Kxf2 $18) 21... Kd8 $15 22. Bxd7 $4 (22. Bxd5 $142 {
had to be tried to avoid defeat} Kxc7 23. Rac1+ Kd8 24. Bxe4 exf4 25. Bxa8 $17)
22... Kxc7 $19 23. Bxc8 exf4 24. Bf5 Bf6 25. Bxe4 dxe4 26. Rxe4 Rhe8 27. Rxf4
Re2 28. Rb1 (28. b3 {doesn't improve anything} Rd8 $19) 28... Rae8 29. Kf1 R2e4
(29... Kd6 $142 $5 {keeps an even firmer grip} 30. a4 $19) 30. Rxe4 Rxe4 31. d5
(31. Rc1+ Kd6 32. b3 Kd5 $19) 31... Rd4 (31... Rc4 {makes it even easier for
Black} 32. a3 $19) 32. b3 (32. Rc1+ {doesn't get the bull off the ice} Kd6 33.
Rc2 Rd1+ 34. Ke2 Rb1 $19) 32... Rxd5 (32... Rd2 $142 $5 {and Black can already
relax} 33. a4 $19) 33. Ke2 (33. Rc1+ {doesn't change the outcome of the game}
Kd6 34. Rc2 Rh5 $19) 33... Kd6 (33... Kc6 $142 $19 {might be the shorter path})
34. Rd1 (34. f4 $19 {is the last straw}) 34... Rxd1 35. Kxd1 Kc5 36. Kc2 (36.
a3 {is not much help} Bb2 $19) 36... Kb4 37. f3 (37. a4 {is one last hope} g5
38. f3 $19) 37... Ka3 38. Kb1 a5 39. g3 Kb4 (39... b5 40. g4 a4 41. bxa4 Kxa4
42. Kc2 $19) 40. Kc2 Ka3 {Black threatens to win material: Ka3xa2} (40... b5 $5
{and Black can already relax} 41. g4 Ka3 42. h4 $19) 41. Kb1 a4 42. bxa4 Kxa4
43. Kc2 Kb4 (43... Ka3 44. g4 Kxa2 45. Kd3 b5 46. g5 hxg5 47. Ke4 b4 48. h4
gxh4 49. Kd3 b3 50. Ke4 b2 51. Kd5 b1=Q 52. Kc6 h3 53. Kd6 Qb5 54. Kc7 h2 55.
Kd6 h1=Q 56. Kc7 Qxf3 57. Kc8 Qbb7#) 44. h4 Kc4 (44... Ka3 45. Kb1 b5 46. f4 b4
47. h5 Bd4 48. g4 Bf6 49. g5 Bxg5 50. fxg5 hxg5 51. Kc2 Kxa2 52. Kd3 b3 53. Kd4
b2 54. Ke5 b1=Q 55. Kd5 g4 56. h6 gxh6 57. Kc6 g3 58. Kc7 Qe4 59. Kc8 g2 60.
Kb8 g1=Q 61. Kc8 Qc6+ 62. Kd8 Qg5#) 45. h5 Bg5 (45... Kb4 $142 $19 {and Black
wins}) 46. f4 Bxf4 (46... Bf6 $142 $19 {and Black can celebrate victory}) 47.
gxf4 $17 Kd4 48. a4 $4 {the position is going down the drain} (48. Kb3 $142 Ke4
49. Kc4 Kxf4 50. Kb5 $17) 48... Kc4 $19 49. f5 Kb4 50. Kd3 (50. a5 {does not
save the day} Kxa5 51. Kb3 Kb5 52. Kb2 Kb4 53. Kb1 Kb3 54. Kc1 b5 55. Kd2 b4
56. Ke3 Ka4 57. Kd3 b3 58. Ke3 b2 59. Ke2 b1=Q 60. Kf3 Qxf5+ 61. Kg3 Qe4 62.
Kh3 g5 63. Kg3 Qf4+ 64. Kh3 Kb4 65. Kg2 g4 66. Kg1 Qd2 67. Kf1 Ka3 68. Kg1 g3
69. Kh1 Qh2#) 50... Kxa4 51. Ke4 b5 52. Ke5 b4 53. f6 gxf6+ 54. Kxf6 b3 55. Kg6
b2 56. Kxh6 b1=Q 57. Kg7 Qg1+ (57... Qa1+ $5 58. Kg6 Qe5 59. h6 Kb5 60. Kf7 Kb4
61. h7 Qh8 62. Ke6 Qxh7 63. Ke5 Qf7 64. Ke4 Qh5 65. Kf4 Kc3 66. Kg3 Qe5+ 67.
Kf3 Qf5+ 68. Kg2 Kd3 69. Kg3 Ke3 70. Kg2 Qg5+ 71. Kh2 Kf3 72. Kh3 Qh5#) 58. Kf7
(58. Kf6 {does not help much} Qa1+ 59. Kf7 Kb4 60. h6 Qd4 61. Kg8 Qd8+ 62. Kf7
Qd5+ 63. Kf6 Qg8 64. Ke7 Qh8 65. Kd6 Qxh6+ 66. Ke5 Qf8 67. Ke6 Qf2 68. Ke5 Kc5
69. Ke4 Qf7 70. Ke3 Qf5 71. Ke2 Kb4 72. Kd2 Qe4 73. Kc1 Kc3 74. Kd1 Qe8 75. Kc1
Qe1#) 58... Qg5 (58... Qg5 59. h6 Qxh6 60. Ke7 Qg6 61. Kd7 Kb5 62. Ke7 Kc6 63.
Kf8 Qh7 64. Ke8 Qg7 65. Kd8 Qd7#) 0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "4.6"]
[White "ITO, Katsuhide"]
[Black "TAKEUCHI, Hiroshi"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1321"]
[BlackElo "1248"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "79"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} 1.
e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nc6 {Black threatens to win material: Nc6xd4
} 5. Bb5 $146 (5. Nf3 Be7 (5... Qd5 6. Bd3 Nb4 7. c4 Nxd3+ 8. Qxd3 Bb4+ 9. Kd1
Qf5 10. c5 Bd7 11. Ne5 Ba4+ 12. Ke2 h5 13. a3 a6 14. Ng3 Qf6 15. axb4 Bb5 16.
Qxb5+ axb5 17. Rxa8+ Ke7 18. h4 {1-0 (18) Manik,M (2463)-Netusil,M (2336)
Prague 2007}) (5... f5 6. Nc3 Nf6 7. Bc4 Bb4 8. O-O Bxc3 9. bxc3 O-O 10. Ne5
Na5 11. Bb3 b6 12. Re1 Nxb3 13. axb3 Bb7 14. Nd3 Ne4 15. Bb2 Qh4 16. f3 Ng5 17.
Qe2 Rf6 18. Qf2 Rg6 19. Qxh4 Nxf3+ 20. Kf2 {Steinitz,W-Bird,H London 1866 1/
2-1/2 (43)}) (5... Nf6 6. Nxf6+ gxf6 7. Be3 Qe7 8. c3 Bg7 9. g3 Bd7 10. Bg2 Nd8
11. O-O Bc6 12. Re1 Qd7 13. c4 Be4 14. Bh6 Bxh6 15. Rxe4 Bg7 16. d5 e5 17. Nh4
b6 18. Rg4 Bf8 19. Qf3 Qd6 20. Nf5 {Kutuzovic,B (2324)-Zeleznik,A (2268)
Otocec 2006 1-0}) 6. c3 Nf6 7. Qc2 O-O 8. Bd3 h6 9. Ne5 Bd7 10. f4 Rb8 11. Qe2
Re8 12. O-O Nxe4 13. Bxe4 f5 14. Bxc6 bxc6 15. Nxc6 Bxc6 16. Qxe6+ Kh8 17. Qxc6
Bd6 18. Qc4 Qf6 19. b4 Re4 {Blesic,V (2321)-Kokanovic,R (2340) Belgrade 2009
1-0}) 5... a6 6. Bxc6+ bxc6 {Black has the pair of bishops} 7. Nf3 {Black is
behind in developement} Nf6 {Black threatens to win material: Nf6xe4} 8. Qe2 {
Black is behind in developement} (8. Bg5 Bb7 $14) 8... Be7 (8... Nxe4 9. Qxe4
Qd5 10. Qd3 $11) 9. b3 a5 (9... Nxe4 10. Qxe4 Qd5 11. Qf4 $11) 10. Bb2 (10.
Nxf6+ Bxf6 11. O-O O-O $14) 10... O-O 11. O-O Bb7 (11... Nxe4 12. Qxe4 Qd5 13.
Qf4 $11) 12. Rfd1 (12. Nc5 Bxc5 13. dxc5 Qd5 $14) 12... Qd5 {Black threatens
to win material: Qd5xe4} 13. Nc5 {White threatens to win material: Nc5xb7. The
white knight on an outpost} Bc8 (13... Bxc5 $5 {should be considered} 14. c4
Qd6 15. dxc5 Qxc5 16. Bxf6 gxf6 $14) 14. c4 Qh5 15. Qe5 Qxe5 16. Nxe5 Rd8 $2 (
16... Bxc5 $142 $5 17. dxc5 Bb7 $16) 17. Nxc6 $18 Re8 18. Bc3 (18. Nxe7+ Rxe7
19. d5 exd5 20. Bxf6 gxf6 21. Rxd5 Re8 $18) 18... Bd7 (18... Bxc5 $142 $5 19.
dxc5 Ra6 20. Nxa5 Ne4 $16) 19. Nxa5 $18 Bf8 20. d5 $4 {a weak move, ruining a
winning position} (20. a4 $142 $18 {would have made live much easier for White}
) 20... Bc8 $4 {ruins a very nice position} (20... Bxc5 $142 {a pity that
Black didn't try this} 21. dxe6 Bxe6 $19) 21. b4 (21. Na4 $142 Ne4 22. Be1 $16)
21... e5 $4 (21... Rxa5 $142 $5 {and Black can hope to live} 22. Nxe6 Rxd5 23.
cxd5 fxe6 24. Bxf6 gxf6 $14) 22. Re1 (22. Nc6 Bxc5 23. bxc5 Nd7 $18) 22... Bd6
$2 (22... Rxa5 $142 $5 23. bxa5 Bxc5 24. Bxe5 Bb4 $16) 23. Ne4 (23. Nc6 $5 {
keeps an even firmer grip} Bxc5 24. bxc5 e4 $18) 23... Nxe4 24. Rxe4 Bf5 25.
Ree1 e4 (25... f6 26. a4 $18) 26. c5 (26. a4 $142 $18 {keeps an even firmer
grip}) 26... Be5 (26... Rxa5 27. bxa5 Bxc5 $18) 27. Bxe5 Rxe5 28. Rad1 (28. d6
$142 {and White can already relax} Ree8 29. dxc7 $18) 28... Rd8 (28... Ree8 $18
{there is nothing else anyway}) 29. Nc6 Rde8 (29... Ree8 {cannot undo what has
already been done} 30. Nxd8 Rxd8 31. d6 $18) 30. Nxe5 Rxe5 31. d6 cxd6 32. Rxd6
h6 (32... Re8 {cannot change destiny} 33. b5 f6 34. a4 $18) 33. a4 Kh7 (33...
Re8 {cannot change what is in store for White} 34. a5 Kf8 35. b5 $18) 34. a5
Re7 35. c6 (35. b5 $142 {makes it even easier for White} Be6 36. c6 Ra7 $18)
35... Ra7 36. Red1 (36. Ra1 $142 {and the rest is a matter of technique} Re7
37. a6 e3 38. fxe3 Rxe3 $18) 36... Bg4 37. R1d4 Bf5 (37... h5 {doesn't do any
good} 38. Rxe4 f6 39. Rd8 $18) 38. Rd7 $1 {a brilliant end} Bxd7 39. Rxd7 (39.
cxd7 e3 40. d8=Q e2 41. Qe8 Rc7 42. Qxe2 Rc1+ 43. Rd1 Rc8 44. a6 Rc7 45. Qe5
Ra7 46. Rd8 Rc7 47. Qxc7 Kg6 48. Qg3+ Kh7 49. Rd7 Kg8 50. Qf3 f6 51. Qg3 h5 52.
Qxg7#) 39... Rxd7 40. cxd7 (40. cxd7 g5 41. a6 Kg6 42. a7 e3 43. a8=Q e2 44.
Qe8 e1=Q+ 45. Qxe1 Kf6 46. d8=Q+ Kf5 47. Qd6 f6 48. Qd7+ Kf4 49. Qe3#) 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "5.1"]
[White "THRAINSSON, Throestur"]
[Black "BRINKMANN, Leonard"]
[Result "1/2-1/2"]
[ECO "A03"]
[BlackElo "1762"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "64"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] A03: Bird's Opening with 1...d5} 1. f4 d5 2. b3 a5 $146 (2... d4
3. Bb2 (3. Nf3 Nc6 4. Bb2 Bg4 5. e3 dxe3 6. h3 Bf5 7. Bb5 e6 8. Qe2 Nf6 9. dxe3
Bb4+ 10. Nbd2 O-O 11. O-O-O Qd5 12. a3 Bxd2+ 13. Nxd2 Ne4 14. Nxe4 Qxe4 15. Bd3
Qd5 {1-0 (15) Reinderman,D (2450)-Etmans,M (2270) Leeuwarden 1994}) 3... c5 4.
Nf3 Nc6 5. e3 dxe3 6. Bc4 Nf6 7. Qe2 Bf5 (7... exd2+ 8. Nbxd2 Bg4 9. O-O e6 10.
h3 Bxf3 11. Nxf3 Be7 12. Rad1 Qc8 13. f5 exf5 14. Ne5 Nxe5 15. Qxe5 Qb8 16.
Bb5+ Kf8 17. Qxf5 Qg3 18. Rd7 a6 19. Rxe7 {1-0 (19) Ross,D (2330)-Spraggett,G 
(2275) Quebec 1990}) 8. Ne5 e6 9. Nxc6 exd2+ 10. Nxd2 bxc6 11. O-O-O Bd6 12. g3
O-O 13. h3 Nd5 14. Rdf1 Re8 15. Ne4 Be7 16. g4 Bxe4 17. Qxe4 {Ross,D (2330)
-Hebert,J (2405) Quebec 1990 0-1 (41)}) (2... Nc6 3. Bb2 Bg4 4. g3 f6 5. Nh3 e5
6. Nf2 Bh5 7. Bh3 Bd6 8. fxe5 fxe5 9. c4 Nf6 10. cxd5 Nd4 11. Nc3 O-O 12. O-O
Bb4 13. Re1 Bc5 14. Na4 Qxd5 15. Bg2 Qd6 16. Nxc5 Qxc5 17. Rc1 {Cherniaev,A 
(2440)-Ulibin,M (2538) Biel 2011 0-1 (50)}) (2... c6 3. Bb2 Nf6 4. Nf3 Qc7 5.
e3 Nbd7 6. c4 e6 7. Nc3 Be7 8. Rc1 O-O 9. Bd3 dxc4 10. bxc4 c5 11. O-O b6 12.
Qe1 Bb7 13. Qh4 Rfe8 14. g4 Nf8 15. g5 Qd8 16. Bb1 N6d7 17. Qg3 {Chernyshov,K 
(2564)-Szabo,B (2350) Budapest 2011 1-0}) 3. e3 d4 4. Bc4 Nf6 5. Nf3 dxe3 6.
O-O (6. dxe3 Qxd1+ 7. Kxd1 Bf5 $11) 6... e6 {Secures d5} (6... exd2 7. Bb2 $11)
7. Qe2 {White threatens to win material: Qe2xe3} (7. dxe3 Qxd1 8. Rxd1 Nbd7 $11
) 7... Be7 (7... exd2 8. Nbxd2 Bc5+ 9. Kh1 $11) 8. dxe3 $14 c6 {Covers b5+d5}
9. a4 O-O 10. Bb2 Na6 11. Nbd2 Nb4 {Black threatens to win material: Nb4xc2}
12. Nd4 c5 (12... Bd7 $5 $11) 13. Nb5 $16 Nxc2 14. Nf3 $4 {not a good decision,
because now the opponent is right back in the game} (14. Rad1 $142 Nb4 15. Ne4
Nxe4 16. Rxd8 Rxd8 17. Qg4 $16) 14... Nxa1 $17 15. Rxa1 Bd7 16. Rd1 Qc8 17. e4
Bc6 18. e5 (18. Bxf6 Bxf6 19. e5 Bxf3 20. Qxf3 $17) 18... Ne8 (18... Nd5 19. f5
Rd8 20. Nd6 $19) 19. g4 $2 (19. f5 $142 $5 $15 {and White hangs on}) 19... Bd5
$1 {Discovered attack: g4, e6xd5} 20. Bd3 (20. Bxd5 exd5 {Passed pawn
Discovered attack}) 20... Qc6 (20... Bxb3 21. Bxh7+ Kxh7 22. Qd3+ Kg8 23. Qxb3
$19) 21. Nd2 Nc7 22. Ne4 $2 (22. Nxc7 $142 Qxc7 23. Nc4 $19) 22... Bxb3 23. Rf1
(23. Rc1 {doesn't get the cat off the tree} Nd5 24. f5 exf5 25. gxf5 Nf4 $19)
23... Nd5 (23... c4 $142 {seems even better} 24. Bb1 Nxb5 25. axb5 Qxb5 26. Bc3
$19) 24. g5 (24. Nbd6 {does not win a prize} c4 25. Bxc4 Bxc4 26. Qxc4 Qxc4 27.
Nxc4 $19) 24... Nb4 (24... c4 $142 {and the result of the game is clear: Black
will win} 25. Bb1 Bxa4 $19) 25. Nf6+ $11 Bxf6 26. Bxh7+ Kxh7 27. Qh5+ Kg8 28.
exf6 Qe4 29. fxg7 Qe3+ 30. Rf2 Qe1+ 31. Rf1 {White has a mate threat} Qe3+ {
Twofold repetition} 32. Rf2 Qe1+ 1/2-1/2

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "5.2"]
[White "DRAKAKIS, Athanasios"]
[Black "SUGIMOTO, Koichi"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "1816"]
[BlackElo "1982"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "58"]
[SourceVersionDate "2018.10.07"]

{C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} 1. d4 d5 2. Nf3
Nf6 3. c3 c5 4. e3 Nbd7 5. Bd3 e6 6. O-O Bd6 7. Nbd2 O-O 8. Re1 b6 9. e4 dxe4
10. Nxe4 Be7 11. dxc5 Nxc5 12. Nxc5 Bxc5 13. Bg5 Bb7 14. Qe2 Be7 15. Rad1 Qc7
16. Ne5 $146 (16. Bxf6 Bxf6 17. Be4 Rad8 18. h3 g6 19. Bxb7 Qxb7 20. Qc2 Rxd1
21. Rxd1 Rd8 22. Rxd8+ Bxd8 23. b3 Bc7 24. Qd3 Qc6 25. c4 e5 26. Nd2 f5 27. Kf1
Kf7 28. Nb1 Ke6 29. Nc3 e4 30. Qe2 Be5 {Baudot,D (2260)-Pergericht,D (2355)
Cannes 1989 1-0 (52)}) 16... h6 (16... Rad8 17. Bh4 $11) 17. Bh4 (17. Bxh6 $5
Rad8 18. Bf4 $16) 17... Rad8 $14 18. Bg3 Qc5 19. Bc2 (19. Ng6 fxg6 20. Qxe6+
Rf7 21. Bxg6 Rdf8 $14) 19... Qc8 20. f4 Ba6 21. Qf3 Bb7 {Black threatens to
win material: Bb7xf3} 22. Qe2 {Twofold repetition} Bc5+ 23. Kh1 (23. Bf2 Ba6
24. Qf3 Bb7 $11) 23... Ba6 (23... Rxd1 24. Rxd1 Rd8 25. Bd3 $15) 24. Qf3 Bb7 {
Black threatens to win material: Bb7xf3} 25. Qe2 Rxd1 26. Rxd1 Rd8 27. Rxd8+
Qxd8 28. Bh4 (28. Bf2 Nd5 29. Qd2 Bxf2 30. Qxf2 Qf6 $15) 28... Be7 (28... Qd5
29. Bxf6 gxf6 30. Bb3 $17) 29. Qd3 Qxd3 1/2-1/2

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "5.3"]
[White "YOSHII, Yukihiko"]
[Black "ITO, Katsuhide"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1820"]
[BlackElo "1321"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "71"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] E65: King's Indian: Fianchetto: 6...c5 7 0-0 without d5 by White} 
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. e3 d6 8. d4
cxd4 (8... Bd7 9. b3 cxd4 10. exd4 a6 11. a4 Rc8 12. Re1 d5 13. c5 Bg4 14. h3
Bxf3 15. Bxf3 e6 16. Rb1 Nxd4 17. Qxd4 Ne4 18. Rxe4 Bxd4 19. Rxd4 Qf6 20. Rd3
Qf5 21. Be2 d4 22. Rxd4 Rxc5 23. Ne4 {Nepomniachtchi,I (2721)-Wang,H (2735)
Beijing 2013 1-0 (48)}) 9. exd4 d5 (9... Bf5 10. b3 Ne4 11. Bb2 {1/2-1/2 (11)
Csolto,R (2260)-Rogos,J (2153) Slovakia 2013}) 10. c5 $146 {White gets more
space} (10. cxd5 Nxd5 11. Nxd5 Qxd5 12. Be3 Bg4 13. Ne5 Qxe5 14. dxe5 Bxd1 15.
Raxd1 Bxe5 16. Rd7 Rab8 17. b3 Bd6 18. Rc1 a5 19. Bb6 Rfc8 20. Rc4 Kf8 21. Bxc6
bxc6 22. Bxa5 Ra8 23. Ra4 Rcb8 24. Bc3 Rxa4 {Raicevic,V (2470)-Smejkal,J (2575)
Bar 1977 1/2-1/2 (56)}) 10... a6 {Prevents intrusion on b5} (10... Ne4 11. Re1
$11) 11. a3 {White has an active position} Qc7 (11... Bg4 12. h3 Bxf3 13. Bxf3
$11) 12. Bf4 $14 e5 $2 (12... Qd8 $142 $5 $14 {and Black can hope to survive})
13. Nxe5 (13. dxe5 $142 Nh5 14. Nxd5 $18) 13... Ne4 $4 {Black has lost his
nerve... understandable when you consider his position} (13... Qd8 $142 $16)
14. Nxg6 $1 {Discovered attack: e5, Bf4xc7} Qd8 (14... fxg6 15. Bxc7 {
Discovered attack}) (14... hxg6 15. Bxc7 {Discovered attack}) 15. Nxf8 Nxc3 (
15... Kxf8 {does not save the day} 16. Nxe4 dxe4 17. d5 $18) 16. bxc3 Bxf8 (
16... Qxf8 {cannot undo what has already been done} 17. Bxd5 Be6 18. Bd6 $18)
17. Qb3 Na5 (17... Qf6 {doesn't get the bull off the ice} 18. Qxd5 h6 19. Rfe1
$18) 18. Qxd5 Be6 (18... Bd7 {doesn't change the outcome of the game} 19. Rfb1
Bg7 20. Be4 $18) 19. Qg5+ (19. Qxd8 $142 {and White has prevailed} Rxd8 20. Bc7
Nc6 21. Bxd8 Nxd8 $18) 19... Qxg5 20. Bxg5 h6 (20... Bd7 {is not the saving
move} 21. Rfe1 $18) 21. Bf4 Rd8 (21... Bf5 {a fruitless try to alter the
course of the game} 22. Bc7 Nc6 23. d5 Bxc5 24. dxc6 bxc6 25. Bf4 $18) 22. Bc7
Rd7 (22... Nc6 {doesn't change anything anymore} 23. Bxd8 Nxd8 24. Rfb1 $18)
23. Bxa5 Be7 24. Rab1 Bc4 25. Rfe1 b5 26. cxb6 (26. c6 Ra7 27. Bb6 Rc7 28. Bxc7
Bd3 29. Rxe7 h5 30. Be5 Kh7 31. c7 Bf5 32. Rxf7+ Kg6 33. Rf6+ Kg7 34. Rxf5+ Kh7
35. c8=Q Kg6 36. Qe6+ Kh7 37. Rxh5#) 26... Bd6 27. Re8+ Kg7 28. b7 Bb5 29. b8=Q
(29. Rxb5 axb5 30. Bb4 Rxb7 31. Bxb7 Bc7 32. Rc8 Ba5 33. Bxa5 h5 34. Be4 f5 35.
Bxf5 Kf7 36. Bd8 Kf8 37. Bg5+ Kg7 38. Rc7+ Kg8 39. Bf6 Kf8 40. Bg6 Kg8 41. Rc8#
) 29... Bxb8 $18 30. Rxb8 Re7 31. Bd5 (31. Rb7 $142 {and White can already
relax} Rxb7 32. Bxb7 f5 $18) 31... Bd3 32. R1b7 Re1+ 33. Kg2 Bf1+ 34. Kf3 Be2+
35. Kf4 Bh5 36. Bc7 (36. Bc7 Kh7 37. Be5 Rxe5 38. dxe5 a5 39. e6 a4 40. exf7
Bxf7 41. Rxf7+ Kg6 42. Rg8+ Kh5 43. Bf3#) 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "5.4"]
[White "WATANABE, Katsumi"]
[Black "NISHIMORI, Toshiyuki"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1705"]
[BlackElo "1797"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "55"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8192] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6
3 Bf4} 1. d4 Nf6 2. Nf3 d5 3. g3 Nc6 4. Bg2 Bf5 5. O-O e6 6. b3 Nb4 (6... Be7
7. Bb2 O-O 8. Nbd2 Ne4 9. c4 Qd7 10. Rc1 Rad8 11. a3 a5 12. e3 Rfe8 13. Qe2 h6
14. Nxe4 Bxe4 15. Rfd1 Bf6 16. Bh3 Bf5 17. Bg2 Be4 18. Bh3 Bf5 19. Bg2 {
1/2-1/2 (19) Csom,I (2505)-Balashov,Y (2595) Budapest 1982}) 7. Na3 Be7 (7...
c5 8. c3 Nc6 9. Bb2 Rc8 10. Rc1 Qa5 11. dxc5 Bxc5 12. b4 Qb6 13. e3 Be7 14. Qe2
O-O 15. Nc2 Bg4 16. h3 Bh5 17. Ncd4 Nxd4 18. exd4 Ne4 19. g4 Bg6 20. Ne5 Nd6
21. Nd7 Qc6 22. Nxf8 {Solomons,D (2169)-Oliveira,L (2189) Tunis 2013 0-1}) 8.
Bb2 a6 $146 {Consolidates b5} (8... a5 9. Ne5 O-O 10. c3 Na6 11. Nc2 h6 12. a3
c6 13. c4 Nd7 14. Ne3 Bh7 15. Nd3 Nc7 16. Rc1 Qb8 17. Qd2 Qa7 18. cxd5 exd5 19.
Bh3 Rfd8 20. Bf5 Ne6 21. Nf4 Nxf4 22. gxf4 Nf6 23. Kh1 {Vukic,M (2490)-Barle,J
(2450) Ljubljana 1997 1/2-1/2 (69)}) 9. c4 (9. Nh4 Bg4 $11) 9... O-O 10. Ne5
dxc4 (10... c6 $142 $5 $11 {is the best option Black has}) 11. Naxc4 $16 c6 12.
a3 b5 $4 {causes further problems for White} (12... Nbd5 $142 $16) 13. axb4 $18
bxc4 14. Nxc6 Qc7 15. Nxe7+ Qxe7 16. Bxa8 (16. b5 $5 {might be the shorter path
} Qb4 17. bxa6 Rfe8 18. Bxa8 Rxa8 $18) 16... Rxa8 17. Ra4 Qb7 (17... Qc7 18.
Qa1 cxb3 19. Rxa6 Rxa6 20. Qxa6 $18) 18. f3 (18. bxc4 {and White can already
relax} Bh3 19. f3 Bxf1 20. Kxf1 Nd7 $18) 18... cxb3 19. Qxb3 Qb5 (19... h6 20.
e4 Bh3 21. Rc1 $18) 20. Rf2 Rc8 (20... Rb8 21. Qa3 $18) 21. Ra5 Qb6 (21... Bc2
{does not solve anything} 22. Qa3 Qd7 23. Rxa6 $18) 22. Rc5 (22. e4 {makes it
even easier for White} Bg6 $18) 22... Rb8 23. e4 Bg6 24. Rfc2 Nd7 (24... h5 $18
{there is nothing better in the position}) 25. Rc8+ Rxc8 26. Rxc8+ Nf8 27. Qc4
f6 (27... Bh5 {praying for a miracle} 28. g4 Qd6 $18) 28. Qc5 (28. Qc5 Qxc5 29.
dxc5 $18) 1-0

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "5.5"]
[White "KOYAHATA, Taku"]
[Black "TAKEUCHI, Hiroshi"]
[Result "0-1"]
[ECO "D25"]
[WhiteElo "1425"]
[BlackElo "1248"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "42"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] D25: Queen's Gambit Accepted: 4 e3: sidelines and 4...Bg4} 1. d4
d5 2. c4 Nf6 3. e3 g6 4. Nc3 dxc4 5. Bxc4 Bg7 6. Nf3 O-O 7. O-O Nc6 8. Bd3 $146
(8. h3 a6 (8... Bf5 9. Re1 Ne4 10. Bd3 Nxc3 11. bxc3 Bxd3 12. Qxd3 e5 13. Rd1
Qe7 14. Qb1 Rab8 15. a4 Rfd8 16. a5 Qe8 17. Bb2 b6 18. axb6 axb6 19. Qc2 Ra8
20. d5 Na5 21. c4 Nb7 22. e4 f6 23. Nd2 {Batchelor,P (2177)-Das,A (2435)
Glasgow 2014 1/2-1/2 (38)}) 9. e4 b5 10. Bb3 Nd7 11. Bg5 Na5 12. Nd5 Nf6 13.
Nxf6+ exf6 14. Bh4 Bb7 15. Bc2 Qd7 16. b3 Nc6 17. Qd2 f5 18. exf5 Nxd4 19. Nxd4
Bxd4 20. Rae1 Rfe8 21. Rxe8+ Rxe8 22. Kh1 Qc6 {Milev,Z-Smyslov,V Moscow 1959
0-1 (43)}) (8. b3 a6 9. Bb2 Bf5 10. Rc1 Ne4 11. Nxe4 Bxe4 12. Ba3 a5 13. Ng5
Bd5 14. Bxd5 Qxd5 15. Rc5 Qd8 16. Qc2 Nb4 17. Bxb4 axb4 18. Rb5 e5 19. Nf3 exd4
20. exd4 Bxd4 21. Rd1 c5 22. Nxd4 cxd4 {Agzamov,G (2590)-Balashov,Y (2495)
Riga 1985 1/2-1/2 (57)}) 8... b6 9. Ne4 (9. a3 Bb7 $14) 9... Bb7 $11 10. Nxf6+
Bxf6 11. Bd2 (11. Be4 Qd7 $11) 11... e5 $15 12. Bc3 (12. Be4 $5 {is an
interesting idea} exd4 13. Rc1 dxe3 14. Bxe3 $15) 12... exd4 $17 13. exd4 Nxd4
14. Be2 $2 (14. Nxd4 $142 Bxd4 15. Bxd4 Qxd4 16. Qc2 $17) 14... Nxe2+ $19 15.
Qxe2 Bxc3 16. bxc3 Re8 17. Rad1 $4 {the position was bad, and this mistake
simply hastens the end} (17. Qc4 $19) 17... Rxe2 18. Rxd8+ Rxd8 19. Nd4 (19. a4
{a fruitless try to alter the course of the game} Bxf3 20. gxf3 Rd3 $19) 19...
Rxa2 20. Rc1 c5 21. Nc2 Rxc2 $1 {Deflection: d1} (21... Rxc2 22. Rf1 a5 $19)
0-1

[Event "SapporoAutumn2018"]
[Site "?"]
[Date "2018.10.08"]
[Round "5.6"]
[White "SATO, Yasuji"]
[Black "KOBAYASHI, Katsuhiko"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1585"]
[BlackElo "1488"]
[Annotator "Fritz 15 (30s)"]
[PlyCount "80"]
[SourceVersionDate "2018.10.07"]

{[%mdl 8256] C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} 1. e4 e5 2. Bc4 Nf6 3. Nf3
Nc6 4. d4 {White threatens to win material: d4xe5} Nxd4 $146 (4... Nxe4 5. dxe5
Nc5 (5... Qe7 6. O-O h6 7. Qd5 Ng5 8. Nxg5 hxg5 9. Nc3 Nxe5 10. Bd2 c6 11. Qd4
Qd6 12. Qxd6 Bxd6 13. Rae1 Kd8 14. Bb3 f6 15. Ne4 Be7 16. Nxg5 fxg5 17. Rxe5
Bd6 18. Bxg5+ Kc7 19. Re4 Bxh2+ 20. Kh1 {MacLeod,S (2200)-Vassilaropoulos,N 
(2200) Australia 1973 0-1}) 6. Bf4 (6. Nc3 Ne6 7. Ne4 Be7 8. Bd2 f6 9. exf6
Bxf6 10. Nxf6+ Qxf6 11. Bc3 Qg6 12. Qe2 O-O 13. O-O-O Re8 14. Rd5 Kf8 15. Qd2
Qe4 16. b3 Re7 17. Re1 Qg4 18. Ng5 Nxg5 19. Rxe7 Ne4 20. Rxe4 Qxe4 {Regan,K 
(2375)-Lein,A (2525) Lone Pine 1977 1-0}) (6. O-O Ne6 (6... Be7 7. Nc3 O-O 8.
Be3 Ne6 9. Nd5 Bc5 10. Qe2 Bxe3 11. Qxe3 a6 12. Rad1 Ne7 13. Qe4 Kh8 14. Ne3
Rb8 15. Bxe6 fxe6 16. Ng5 Nf5 17. Nxe6 Nd6 18. Rxd6 {1-0 (18) Bademian
Orchanian,J (2235)-Diano,D (2200) Piriapolis 1977}) 7. Nc3 Be7 8. Ne4 O-O 9. c3
Nc5 10. Nxc5 Bxc5 11. Re1 Be7 12. Bf4 Kh8 13. Qd2 Na5 14. Bd3 d5 15. exd6 Bxd6
16. Rad1 Bg4 17. Bxd6 Qxd6 18. Re3 Rad8 19. b3 Nc6 20. Qc2 Qf6 {Viela,M (2219)
-Garcia Rodriguez,V (2222) Torres Vedras 2011 1/2-1/2 (66)}) 6... Ne6 7. Bg3
Be7 8. Nc3 O-O 9. Nd5 Na5 10. Bd3 f5 11. Qd2 Nc6 12. O-O-O a6 13. h4 b5 14. h5
Bb7 15. Nxe7+ Qxe7 16. Nh4 f4 17. Ng6 hxg6 18. hxg6 Nxe5 19. Rh4 {Teichmann,
R-Marshall,F London 1902 1/2-1/2 (31)}) (4... exd4 5. e5 d5 6. Bb5 $11) 5. Nxe5
(5. Bxf7+ Kxf7 6. Nxe5+ Kg8 7. Qxd4 c5 8. Qc4+ d5 9. exd5 Qxd5 $14) 5... Ne6
$11 6. O-O {White has a strong king attack} Bd6 7. f4 Bc5+ (7... Nxe4 $5 {
deserves consideration} 8. Re1 Bc5+ 9. Be3 Bxe3+ 10. Rxe3 Nd6 $11) 8. Kh1 $14
Nxe4 9. f5 (9. Nxf7 $142 Kxf7 10. f5 Nf2+ 11. Rxf2 Bxf2 12. Qf3 $14) 9... Nf2+
$4 {Black has let it slip away} (9... Qh4 $142 {the rescuing straw} 10. Qd3
Nf2+ 11. Rxf2 Qxf2 $15) 10. Rxf2 $1 $18 {the decision} Bxf2 11. fxe6 fxe6 (
11... dxe6 {hardly improves anything} 12. Qxd8+ Kxd8 13. Nxf7+ Ke7 14. Nxh8 Bd4
$18) 12. Nc3 (12. Qh5+ $142 {and White has reached his goal} g6 13. Nxg6 $18)
12... O-O $16 13. Nf3 (13. Bd3 $142 Qf6 14. Ng4 $16) 13... Rxf3 $4 (13... d5
$142 {the only rescuing move} 14. Bd3 Bh4 $14) 14. Qxf3 (14. Bxe6+ $142 {
keeps an even firmer grip} Kh8 15. Qxf3 dxe6 16. Bg5 $18) 14... Qh4 (14... Bd4
15. Bd3 d5 $18) 15. Ne4 d5 16. Nxf2 (16. Ng5 $142 $5 {seems even better} Bd7
17. Qf7+ Kh8 $18) 16... Qxc4 (16... dxc4 17. Bf4 $18) 17. Ng4 Qxc2 (17... Qe4
18. Be3 Qxc2 $18) 18. Ne5 (18. Be3 $142 {makes sure everything is clear} Bd7
19. Rc1 $18) 18... Qf5 $16 19. Bf4 b6 20. g4 (20. Nc6 Qf7 21. Rc1 Ba6 $18)
20... Qe4 (20... Qf8 21. Rc1 c5 22. Rf1 $16) 21. Rc1 (21. Qxe4 $142 $5 dxe4 22.
Be3 $18) 21... Qxf3+ $14 22. Nxf3 c5 23. Ne5 {Black has a cramped position. A
sound move} Bb7 24. Kg1 Rf8 25. Rf1 d4 {Black wins space} 26. b3 Ba6 {Black
threatens to win material: Ba6xf1} 27. Rf2 d3 $2 (27... Bb7 $142 $14) 28. g5 $4
{makes life more difficult} (28. Bd2 $142 $16 {with excellent chances for White
}) 28... Rxf4 $1 $19 {touch・} 29. Nxd3 (29. Rxf4 d2 {Promotion Passed pawn})
29... Rg4+ 30. Rg2 (30. Kf1 {a last effort to resist the inevitable} Bxd3+ 31.
Ke1 Rxg5 32. Rb2 $19) 30... Rxg2+ 31. Kxg2 Bxd3 32. Kf3 Bb1 33. a3 Ba2 34. b4
c4 35. Ke3 e5 36. Kd2 e4 37. h4 Bb1 38. h5 c3+ 39. Kxc3 e3 40. Kb2 e2 (40... e2
41. Kxb1 e1=Q+ 42. Kc2 Qe2+ 43. Kc3 Qxh5 44. g6 Qxg6 45. a4 h5 46. Kd4 h4 47.
a5 h3 48. axb6 Qxb6+ 49. Kc3 h2 50. Kb3 Qe3+ 51. Ka2 h1=Q 52. b5 Qd3 53. b6
Qhb1#) 0-1

