[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.09"]
[Round "1.1"]
[White "Nakagawa, Seiji "]
[Black "Kawamura, Takuto"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1780"]
[BlackElo "1581"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "145"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8256] C00: French: Unusual White 2nd moves} 1. e4 c5 2. Nf3 e6 3. Qe2
Nc6 4. g3 Qc7 5. Bg2 Nf6 6. O-O (6. d3 h6 7. h4 d5 8. e5 Nd7 9. Bf4 b6 10. c4
d4 11. Na3 a6 12. Nc2 Bb7 13. a3 O-O-O 14. O-O Be7 15. b4 g5 16. hxg5 hxg5 17.
Nxg5 Ncxe5 18. f3 Rdf8 19. bxc5 bxc5 20. Rab1 Bc6 {Keosidi,K (2415)-Airapetian,
G (2323) Novokuznetsk 2007 1-0 (32)}) 6... Be7 7. d3 O-O $146 (7... d5 8. Re1
dxe4 9. dxe4 O-O 10. e5 Nd7 11. c3 b6 12. Bf4 Bb7 13. h4 Rfd8 14. Nbd2 Nf8 15.
Ne4 Ng6 16. Nfg5 Nxf4 17. gxf4 Bxg5 18. hxg5 Ne7 19. Qh5 Ng6 20. Nf6+ gxf6 21.
gxf6 Kh8 22. Be4 {Dias,P (2302)-Guerra,V (2156) Odivelas 2000 0-1 (32)}) (7...
d6 8. a4 $11) 8. Re1 (8. e5 Ng4 9. Bf4 d6 10. exd6 Bxd6 11. Bxd6 Qxd6 $14) 8...
e5 9. Bg5 d6 10. h3 {Covers g4} (10. Nc3 Be6 $11) 10... Ne8 11. Nc3 Bxg5 12.
Nxg5 Ne7 (12... Nf6 13. Qd2 $15) 13. Kh2 h6 {Black threatens to win material:
h6xg5} 14. Nf3 f5 15. exf5 Bxf5 (15... Nxf5 $5 {should be examined more closely
} 16. g4 Ne7 $11) 16. Nh4 $14 Qd7 (16... Bh7 $5 $14 {is worth looking at}) 17.
f4 $16 g5 (17... Nc6 $5 18. Bd5+ Be6 19. Bxc6 Qxc6 20. fxe5 Nc7 $16) 18. Nxf5
$18 Rxf5 19. fxe5 Rxe5 20. Qh5 (20. Qf2 Qf5 21. Qxf5 Nxf5 (21... Rxf5 $4 22.
Rxe7 Nf6 23. Rxb7 $18) 22. Rxe5 dxe5 $18) 20... Rxe1 21. Rxe1 Kg7 22. Ne4 (22.
Qf3 $5 Ng8 $16) 22... Ng6 $16 23. Rf1 Rd8 24. Qf3 b6 $2 (24... Qe7 $142 $16)
25. Nf6 $18 Qe6 26. Qb7+ Qe7 (26... Ne7 27. Nh5+ Kg6 $18) 27. Nh5+ Kh8 28. Qxe7
Nxe7 29. Rf7 Ng6 (29... Ng8 {a fruitless try to alter the course of the game}
30. Be4 Nef6 31. Nxf6 Nxf6 32. Rxf6 d5 $18) 30. Rxa7 (30. Be4 $142 {secures
victory} Kg8 31. Bxg6 $18) 30... Ne5 31. Be4 (31. a4 {might be the shorter path
} Kg8 $18) 31... Kg8 (31... d5 32. Bg2 c4 33. Re7 cxd3 34. cxd3 (34. Rxe5 $6 {
is clearly inferior} dxc2 35. Re1 d4 $15) 34... Nxd3 35. Bf1 Nxb2 36. Bb5 $18)
32. Kg2 (32. Rb7 {keeps an even firmer grip} Kf8 33. Rxb6 Ke7 $18) 32... b5 (
32... Kf8 33. c4 $18) 33. Re7 (33. Bd5+ $5 {and White can already relax} Kf8
$18) 33... Kf8 34. Rh7 (34. Re6 Nf7 $18) 34... Nf7 $2 (34... d5 $142 35. Rh8+
Kf7 $16) 35. Bd5 $18 Rd7 36. Bxf7 Rxf7 37. Rxh6 Ke7 38. g4 Ng7 39. Rh7 Ne6 40.
Rxf7+ Kxf7 41. c3 (41. c4 $5 {makes it even easier for White} Nc7 $18) 41... d5
42. Kf3 Kg6 (42... Ke7 43. Ng3 $18) 43. Ke3 (43. c4 {might be the shorter path}
bxc4 44. dxc4 d4 $18) 43... Kf7 44. b3 Kg6 (44... Nd8 45. Ng3 $18) 45. a4 c4 (
45... bxa4 {does not improve anything} 46. bxa4 Kf7 47. a5 $18) 46. dxc4 dxc4
47. axb5 cxb3 48. Kd2 Nc5 49. Ng3 (49. c4 {keeps an even firmer grip} Na4 $18)
49... Kf7 $4 {but even a better move would not have saved the game} (49... Kf6
$142 $18) 50. c4 Ke6 51. Kc3 Ke5 (51... Kd6 $18 {the only chance to get some
counterplay}) 52. Ne2 Ke4 53. b6 (53. Nc1 $5 {seems even better} b2 54. Kxb2
Ke5 $18) 53... Kf3 (53... Ke5 $18) 54. Nd4+ Kg3 (54... Ke4 {cannot change what
is in store for White} 55. Ne6 $1 {White has to consider giving back material}
Na4+ 56. Kxb3 Nxb6 57. Nxg5+ Kf4 58. c5 $18) 55. Ne6 $1 {the best thing is for
White to hand back some material} Na4+ (55... Nxe6 56. b7 {Promotion Passed
pawn}) 56. Kxb3 Nxb6 57. Nxg5 Kh4 (57... Nc8 {is not much help} 58. c5 Kh4 59.
Kc4 Kxg5 60. Kd5 $18) 58. c5 (58. Ne4 $142 {and White can already relax} Nd7
59. g5 Ne5 $18) 58... Nd5 59. Ne4 Kxh3 60. g5 (60. Kc4 $142 {and White has
reached his goal} Ne7 61. Nf6 $18) 60... Ne7 $16 61. Kc4 Kg4 62. Kb5 (62. Kc3
$5 $16) 62... Kf5 63. g6 (63. Nc3 Kxg5 64. Kc4 Kf5 $14) 63... Kxg6 (63... Kxe4
$5 64. g7 Ke5 $11) 64. Kb6 Kf7 65. Kc7 Ke6 66. Nc3 Ke5 67. Kd7 {White
threatens to win material: Kd7xe7} Kd4 {Black threatens to win material:
Kd4xc3. Black forks: c3+c5} 68. Na4 Nd5 (68... Ng6 $142 $5 $14 {is an
interesting alternative}) 69. c6 $16 Kc4 70. Kd6 Nf6 71. Nb6+ Kb5 72. Nd5 Ne8+
73. Kd7 (73. Kd7 Kc5 74. Ne7 (74. Kxe8 $6 Kxc6 $11) 74... Nf6+ 75. Kc7 $16) 1-0

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.09"]
[Round "1.2"]
[White "Takeuchi, Hiroshi"]
[Black "Yoshii, Yukihiko"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1415"]
[BlackElo "1689"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "52"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8192] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6
3 Bf4} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Be7 5. Bd3 h6 $146 {Consolidates g5}
(5... b6 6. Qe2 (6. O-O O-O 7. Ne5 Nfd7 8. Qh5 g6 9. Qh6 Bf6 10. Ng4 Bg7 11.
Qh3 e5 12. Bh6 e4 13. Be2 f5 14. Bxg7 fxg4 15. Qh6 Rf7 16. Be5 Nxe5 17. dxe5
Qe7 18. c4 c6 19. Nc3 Ba6 20. Rac1 Qxe5 {Sarakauskas,G (2330)-Lacina,A (2205)
Ceske Budejovice 1999 1-0}) 6... Bb7 7. O-O Nbd7 8. h3 O-O 9. Ne5 c5 10. c3 a6
11. a4 Nxe5 12. Bxe5 Bd6 13. Bxd6 Qxd6 14. f4 c4 15. Bc2 b5 16. axb5 axb5 17.
Nd2 b4 18. g3 Rxa1 19. Rxa1 bxc3 20. bxc3 {Petran,P (2300)-Liebert,H (2435)
Rimavska Sobota 1977 1/2-1/2}) (5... O-O 6. Nbd2 Nbd7 (6... c5 7. Bxb8 Rxb8 8.
c3 Nd7 9. O-O c4 10. Bc2 f5 11. Ne1 b5 12. a3 Nf6 13. f4 Ng4 14. Qe2 a5 15.
Nef3 b4 16. h3 bxc3 17. bxc3 Rb2 18. Rfc1 Nf6 19. Ne5 Bd6 20. a4 Ba6 21. Qd1 {
Aturupane,H (2300)-Ardiansyah,H (2330) Dubai 1986 0-1 (56)}) 7. h3 c5 8. c3 b6
9. Qb1 g6 10. h4 Kg7 11. h5 Nxh5 12. Rxh5 gxh5 13. e4 Rh8 14. exd5 exd5 15. Nf1
cxd4 16. Ng3 dxc3 17. Nxh5+ Kg8 18. bxc3 Nf6 19. Ng3 h5 20. Nf5 {Jablonicky,F 
(2280)-Drtina,M (2200) Trnava 1985 0-1}) 6. h3 {Prevents intrusion on g4} Nc6
7. c3 {Controls b4} a6 {Secures b5} 8. Nbd2 Bd7 9. O-O O-O 10. Ne5 Be8 11. Ng4
(11. Qf3 Nxe5 12. dxe5 Nd7 $14) 11... Nxg4 12. Qxg4 f5 {Black threatens to win
material: f5xg4} 13. Qg3 Bd6 14. Nf3 Bxf4 (14... Rf6 15. Qh2 $14) 15. exf4 $14
{White has new doubled pawns: f2+f4. Black has a new backward pawn: e6} Rf6 16.
Nh4 Ne7 17. f3 $4 {gives the opponent counterplay} (17. Rfe1 $142 $14 {would
be a reprieve}) 17... Qd6 $19 18. Rae1 Kh8 (18... Bb5 $5 19. Bxb5 axb5 20. Re5
$19) 19. Re5 Nc6 {Black threatens to win material: Nc6xe5} (19... Bb5 20. Bxb5
axb5 21. Rfe1 Rxa2 22. b4 $19) 20. Rfe1 (20. Kh2 $5 $15) 20... Bf7 (20... Nxe5
$4 {would lead to destruction} 21. fxe5 Qe7 22. exf6 Qxf6 23. f4 $18) 21. Qf2
g5 (21... Nxe5 $4 {leads to instant destruction} 22. fxe5 Qe7 23. exf6 Qxf6 24.
f4 $18) 22. g4 $2 (22. fxg5 $142 hxg5 23. Nxf5 exf5 24. Rxf5 Rxf5 25. Bxf5 $17)
22... gxh4 $19 23. Qxh4 Kg7 (23... Rg6 $142 {makes it even easier for Black}
24. R5e2 Qxf4 $19) 24. g5 $4 {White crumbles in face of a dire situation} (24.
Kh2 $142 $19) 24... hxg5 (24... Rg6 {seems even better} 25. Qg3 $19) 25. fxg5
Rg6 26. R5e2 (26. Qg3 $19 {is one last hope}) 26... Rh8 (26... Rh8 27. Qxh8+
Kxh8 $19) 0-1

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.09"]
[Round "1.3"]
[White "Nishimori, Toshiyuki"]
[Black "Nakamura, Mitsuru"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1583"]
[BlackElo "1387"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "141"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8192] C50: Hungarian Defence and Giuoco Pianissimo} 1. e4 e5 2. Nf3 Nc6
3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. h3 O-O (6... Na5 7. Nc3 Nxc4 8. dxc4 a6 9.
Qd3 Be6 10. b3 h6 11. Rd1 Nd7 12. Be3 O-O 13. Bxc5 Nxc5 14. Qe3 Qe7 15. Rd2 f5
16. exf5 Rxf5 17. Nh2 Qf7 18. Nf1 Qg6 19. Ng3 Rf7 20. Nce4 Nd7 21. Re1 {
Odeev,H (2407)-Ibragimov,I (2554) Hamburg 1999 1/2-1/2 (72)}) 7. Bg5 h6 8. Bh4
a6 $146 (8... Be6 9. Nc3 Nd4 10. Nxd4 Bxd4 11. Bb3 Kh7 12. Ne2 Bb6 13. Bxf6
Qxf6 14. Ng3 c6 15. Kh2 d5 16. c3 Rad8 17. exd5 cxd5 18. f4 exf4 19. Nh5 Qh4
20. Qf3 g5 21. Nf6+ Kg6 22. Ng4 Bxg4 23. Qxg4 {Tu,H (2295)-Wahono,A (2405) Ho
Chi Minh City 2012 0-1 (45)}) 9. a3 Qe7 10. Nc3 Be6 11. Re1 Bxc4 12. dxc4 Qe6
13. Nd5 Ne8 14. c3 f6 15. Qe2 Ne7 16. b4 Ba7 17. Kh1 c6 18. Nxe7+ Qxe7 19. Rad1
Rd8 20. Qa2 Kh8 21. c5 dxc5 22. Rxd8 Qxd8 23. Nxe5 Kh7 24. Nf3 Qd3 25. e5 c4
26. exf6 Nxf6 27. Ne5 Qxc3 28. Qb1+ Kg8 29. Ng6 Re8 30. Rxe8+ Nxe8 31. Qe4 Nf6
32. Qe6+ Kh7 33. Nf8+ Kh8 34. Ng6+ Kh7 35. Qf5 Qe1+ 36. Kh2 Bb8+ 37. Nf4+ Kh8
38. Bxf6 Bxf4+ 39. Qxf4 gxf6 40. Qxf6+ Kh7 41. Qf7+ Kh8 42. Qxc4 Qxf2 43. Qe6
Qf4+ 44. Kg1 Kg7 45. Qe7+ Qf7 46. Qe5+ Kg6 47. Qe4+ Qf5 48. Qe8+ Kg5 49. Qg8+
Kf4 50. Qb8+ Qe5 51. Qf8+ {White forks: h6} Ke4 (51... Kg5 52. Qd8+ Kf5 53.
Qd7+ Kf4 54. Qf7+ Kg5 55. Qxb7 Qe3+ 56. Kf1 Qd3+ 57. Kf2 Qd2+ 58. Kf3 Qd3+ 59.
Kf2 Qd2+ 60. Kf3 $11) 52. Qf3+ (52. Qxh6 $5 Qd4+ 53. Kf1 Qa1+ 54. Kf2 Qxa3 55.
Qe6+ Kd4 56. h4 $16) 52... Kd4 $11 53. Qd1+ Kc4 54. Qc2+ Kb5 55. g4 $4 (55. Qb3
Qd4+ 56. Kh2 Qd2 $11) 55... Qe3+ $4 {Black forks: a3+h3. a weak move, ruining
a winning position} (55... Qg3+ $142 {and Black takes home the point} 56. Qg2
Qe3+ 57. Kh2 Qxa3 $19) 56. Kg2 $11 Qxa3 57. Qc5+ Ka4 58. Qa5+ Kb3 59. Qxa3+
Kxa3 60. h4 Kxb4 $4 {ruins a clearly superior position} (60... a5 $142 {
had to be tried to avoid defeat} 61. g5 hxg5 (61... axb4 $4 {that pawn is
deadly bait and will cause Black grave problems} 62. gxh6 b3 63. h7 $18) 62.
hxg5 axb4 $11) 61. g5 $18 hxg5 62. hxg5 a5 (62... c5 {cannot change destiny}
63. g6 $18) 63. g6 a4 64. g7 a3 (64... c5 65. g8=Q c4 66. Qf8+ Kb3 67. Qf3+ c3
68. Qxb7+ Kc2 69. Qb4 Kd3 70. Qa3 Kc4 71. Kf2 Kd5 72. Kf3 Ke6 73. Qxa4 Kd5 74.
Qa1 Kc4 75. Qe1 c2 76. Kf4 Kc5 77. Qe3+ Kd6 78. Qc1 Kc5 79. Qxc2+ Kd6 80. Ke4
Ke6 81. Qc6+ Ke7 82. Kf4 Kf7 83. Kf5 Kg7 84. Qc7+ Kh6 85. Qe7 Kh5 86. Qg5#) 65.
g8=Q c5 (65... b5 {is no salvation} 66. Qa2 Kc5 67. Qxa3+ b4 68. Qa4 $18) 66.
Qa2 c4 67. Kf2 (67. Kf3 c3 68. Ke4 Kc5 69. Qb3 Kd6 70. Qxa3+ Kc6 71. Qb4 c2 72.
Qa4+ Kb6 73. Qb3+ Ka6 74. Qd3+ Ka5 75. Qd2+ Kb5 76. Qxc2 Kb6 77. Qc4 Ka7 78.
Ke5 b6 79. Qa4+ Kb7 80. Kd6 Kb8 81. Qa6 b5 82. Kc6 b4 83. Qb7#) 67... b5 68.
Ke2 c3 69. Kd3 Kc5 70. Kxc3 b4+ 71. Kb3 1-0

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.09"]
[Round "2.1"]
[White "Yoshii, Yukihiko"]
[Black "Nakagawa, Seiji"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "1689"]
[BlackElo "1780"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "84"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8192] E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th
moves} 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Na6 7. O-O e5
8. h3 exd4 9. Nxd4 Nc5 10. Bf3 Re8 {[%cal Rc5e4,Re8e4,Rf6e4,Gc3e4,Gf3e4]
Increases the pressure on e4} 11. Re1 a5 12. Bg5 $146 {White has a very active
position} (12. b3 c6 13. Bf4 Qb6 14. Nc2 (14. Rb1 Bd7 15. Bxd6 Nfxe4 16. Bxe4
Nxe4 17. Nxe4 Qxd4 18. Qxd4 Bxd4 19. Rbd1 Bg7 20. Nc5 Bc3 21. Re7 Bf5 22. Nxb7
Rxe7 23. Bxe7 Ra7 24. Rd8+ Kg7 25. Bf8+ Kf6 26. Nc5 Bb1 27. f4 Kf5 28. Bh6 Bb4
{Kratochwil,C (2360)-Syska,A (2275) Germany 1995 1/2-1/2 (36)}) 14... Nh5 15.
Bd2 Nf4 16. Na4 Nxa4 17. Bxf4 Bxa1 18. Qxa1 Nc5 19. Bxd6 Nd3 20. Re3 Nb4 21.
Ne1 a4 22. a3 c5 23. e5 Nc6 24. Bxc6 Qxc6 25. Nd3 b6 26. Nf4 Be6 {Vooremaa,A 
(2303)-Sepp,O (2460) Tallinn 2002 0-1 (38)}) (12. Nb3 Nxb3 13. Qxb3 Nd7 14. Be3
c6 15. Rad1 Qe7 16. Qc2 Nc5 17. Qd2 Be5 18. Bg5 Qc7 19. Bf4 Be6 20. b3 a4 21.
b4 Nd7 22. Be2 a3 23. Be3 Nb6 24. f4 Bg7 25. c5 dxc5 26. bxc5 Nc4 {Pacovsky,J 
(2248)-Jedlicka,A (2199) Czechia 2014 0-1 (49)}) (12. Qc2 c6 13. Be3 Nfd7 14.
Rad1 a4 15. Be2 Qa5 16. f4 Nf8 17. Bf3 f5 18. exf5 Bxf5 19. Nxf5 gxf5 20. Qxf5
a3 21. Bh5 axb2 22. Bf7+ Kh8 23. Bxe8 Rxe8 24. Kh2 Qd8 25. Bd4 Rxe1 26. Bxg7+
Kxg7 {Schnepp,G (2225)-Boehm,M (2253) Wuerttemberg 2000 1-0 (34)}) 12... h6 {
Black threatens to win material: h6xg5} 13. Bh4 c6 {White has an active
position} 14. Qd2 {White has a very active position} Qb6 {White has an active
position} 15. Rad1 Nfd7 16. b3 {Prevents intrusion on a4} a4 17. Nxa4 $2 (17.
Re3 $142 $11 {and White has air to breath}) 17... Nxa4 $17 18. bxa4 Rxa4 19.
Nb3 Ne5 20. Be2 Kh7 (20... Nxc4 21. Bxc4 Rxc4 22. Qxd6 $17) 21. Rc1 Be6 22.
Qxd6 Rxa2 23. Nc5 $2 (23. Rb1 $142 $5 Nxc4 24. Bxc4 Bxc4 25. Nd2 $15) 23... Qb4
$19 24. Bg3 Nxc4 $4 {not a good decision, because now the opponent is right
back in the game} (24... Rxe2 $142 {Black missed this excellent chance} 25.
Rxe2 Nxc4 26. Rxc4 Bxc4 $19) 25. Bxc4 $11 Bxc4 26. Qd7 $4 {[%cal Rc5b7,Rd7b7,
Gb4b7] The pawn on b7 gets attacked. White lets it slip away} (26. Nxb7 $142 {
and White can hope to live} Qxb7 27. Rxc4 $11) 26... Rea8 $17 (26... Qxc5 {
is the weaker alternative} 27. Qxe8 Qb5 28. Red1 $16) 27. Bd6 (27. Nd3 $142
Bxd3 28. Qxd3 $17) 27... Qb2 28. Bg3 Ra1 (28... Bd4 $5 {makes it even easier
for Black} 29. Rc2 Qxc2 30. Qxd4 $19) 29. Rxa1 Rxa1 30. Rxa1 Qxa1+ 31. Kh2 b6 (
31... b5 $142 $5 32. e5 Bxe5 33. Qxc6 Qd4 $19) 32. Nb7 $17 c5 33. Nd8 (33. Nd6
$142 Qd4 34. Qb7 $17) 33... Qd4 $19 34. Qe7 $4 {terrible, but the game is lost
in any case} (34. Qe8 Bd3 35. Nxf7 Qxe4 36. Ne5 $17) 34... Qf6 (34... Bf6 $142
{and the rest is a matter of technique} 35. Qe8 Qxd8 (35... Bxd8 $143 36. Be5
Bf6 37. Bxd4 Bxd4 38. f4 $16) 36. Qxd8 Bxd8 $19) 35. Qxf6 $4 (35. Qc7 $142 $15
{saving the game}) 35... Bxf6 $19 36. Nc6 Bc3 (36... Bb5 {might be the shorter
path} 37. e5 Bg7 38. Ne7 $19) 37. Bd6 (37. Be5 Bxe5+ 38. Nxe5 $19) 37... Bd4 $4
{weakening the position} (37... Bb5 $5 38. Ne5 Kg7 39. Bc7 $19) 38. f4 $2 (38.
Nxd4 $142 {and White is still in the game} cxd4 39. Be5 $11) 38... Bf2 $19 39.
Ne5 Be6 40. g4 b5 (40... Bd4 $142 $5 $17) 41. Nd3 {White threatens to win
material: Nd3xf2. White forks: f2+c5} (41. Kg2 Be3 42. Kf3 Bd2 $11) 41... Bd4
42. Nxc5 Bxc5 1/2-1/2

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.09"]
[Round "2.2"]
[White "Kawamura, Takuto"]
[Black "Nishimori, Toshiyuki"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "1581"]
[BlackElo "1583"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "82"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8192] E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} 1. d4 d5 2. c4 e6 3. Nf3
Nf6 4. g3 b6 5. Bg2 Bb7 6. O-O dxc4 7. Qa4+ c6 $146 (7... Nbd7 8. Qxc4 (8. Bg5
c5 (8... a6 9. Qxc4 (9. Bxf6 Qxf6 10. Qxc4 c5 11. Nc3 b5 12. Qd3 Rd8 13. a4
cxd4 14. Ne4 Bxe4 15. Qxe4 Bc5 16. b4 Bxb4 17. axb5 axb5 18. Nxd4 Bc3 19. Rad1
Bxd4 20. Rxd4 O-O 21. Rb4 {1/2-1/2 (21) Sveshnikov,E (2535)-Psakhis,L (2500)
Frunze 1981}) 9... b5 10. Qd3 c5 11. a4 c4 12. Qc2 Be7 13. Nbd2 h6 14. Bxf6
Nxf6 15. b3 cxb3 16. Qxb3 b4 17. Rfc1 O-O 18. e3 Rc8 19. Ne5 Bxg2 20. Kxg2 Qb6
21. Kg1 Qb7 22. Ndc4 Qc7 23. a5 {Podzielny,K (2385)-Hort,V (2575) Germany 1981
0-1 (56)}) 9. Bxf6 gxf6 10. Qxc4 Bg7 11. Nc3 O-O 12. Rfd1 cxd4 13. Qxd4 Bc6 14.
Qe3 Rc8 15. Nd4 Bxg2 16. Kxg2 a6 17. Rac1 f5 18. Nf3 Rc7 19. Na4 Qb8 20. Qd3 b5
21. Rxc7 Qxc7 22. Qxd7 Qxd7 {Andersson,U (2600)-Nogueiras Santiago,J (2570)
Reggio Emilia 1986 1-0 (48)}) (8. Nc3 Be7 9. Ne5 Bxg2 10. Kxg2 O-O 11. Nc6 Qe8
12. Qxc4 Bd6 13. f4 a6 14. a4 b5 15. Qd3 Nb6 16. axb5 axb5 17. Rxa8 Qxc6+ 18.
Rf3 Rxa8 19. e4 b4 {0-1 (19) Fauzan,M (2221)-Purba,C (2193) Jakarta 2013}) 8...
Bd6 9. Nc3 a6 10. Rd1 Qe7 11. Bg5 O-O 12. e4 e5 13. Nh4 Qe6 14. d5 Qg4 15. Be3
b5 16. Qf1 Nc5 17. Bh3 Qh5 18. f3 g5 19. Nf5 Ncd7 20. Rac1 Kh8 21. Ne2 g4 22.
fxg4 {Smejkal,J (2575)-Nikolin,D (2200) Vrsac 1977 1-0 (41)}) 8. Qxc4 Be7 9.
Ne5 Nd5 10. Qc2 (10. Rd1 Nd7 $16) 10... O-O (10... Nd7 11. a3 $14) 11. Bd2 (11.
Rd1 c5 12. dxc5 Qc7 $11) 11... Qc8 (11... c5 12. dxc5 Bxc5 13. Nd3 $11) 12. e4
{White threatens to win material: e4xd5} Nf6 13. Nc3 Nfd7 (13... Rd8 14. Be3
$14) 14. Nd3 {Black has a cramped position} (14. Nc4 Ba6 15. Ne2 c5 $16) 14...
Qc7 (14... Na6 $5 $14 {is worth consideration}) 15. Bf4 Qc8 16. b4 c5 17. bxc5
bxc5 18. dxc5 Nxc5 19. Nxc5 Bxc5 20. Rac1 Nd7 21. Na4 Ba3 22. Qb3 Bxc1 23. Rxc1
Qd8 $2 (23... Bc6 $142 24. e5 Nb8 $16) 24. Qxb7 $18 e5 25. Be3 Rb8 26. Qd5 (26.
Qxa7 $6 Ra8 27. Qb7 Rxa4 $16) 26... Qe7 (26... Re8 27. Bh3 Nf6 28. Qc4 $18) 27.
Nc5 (27. Rc7 $142 {nails it down} Qa3 28. Qxd7 $18) 27... Nb6 (27... Nf6 28.
Qd3 $18) 28. Qd1 Rfd8 29. Qe2 h6 (29... Nd7 30. Bh3 Nxc5 31. Rxc5 $18) 30. Bh3
Kh7 (30... Rd6 {does not improve anything} 31. Na6 Rbd8 32. Rc7 $18) 31. Bg4
Qf6 (31... Kg8 {does not help much} 32. a4 $18) 32. h4 (32. a4 {makes it even
easier for White} Qe7 $18) 32... Rd6 (32... Qe7 {does not solve anything} 33.
a4 $18) 33. a4 Qd8 34. Qa2 Qe7 (34... Qe8 {doesn't do any good} 35. Rb1 a5 36.
Rb5 $18) 35. Kg2 (35. Na6 $142 {seems even better} Rbd8 36. Bc5 h5 37. Bxd6
Qxd6 $18) 35... Qf6 (35... Nc8 {doesn't change the outcome of the game} 36. f4
$18) 36. Na6 (36. a5 Nc8 37. Nd7 Rxd7 38. Bxd7 Qd8 39. Qxf7 Nd6 40. Bf5+ Kh8
41. Qxa7 Qg8 $18) 36... Rbd8 (36... Rg8 {cannot undo what has already been done
} 37. Nc7 Rb8 38. a5 $18) 37. Rc7 (37. Nb4 {seems even better} a5 38. Bxb6 Rxb6
$18) 37... Nd7 (37... Rc6 {does not save the day} 38. Rxf7 Rc2 39. Rxg7+ Kxg7
40. Qxc2 $18) 38. Rxa7 (38. Nb4 $142 {and White can already relax} Qe7 $18)
38... Kg8 (38... Rxa6 {is one last hope} 39. Rxd7 Rxd7 40. Bxd7 Qe7 $18) 39.
Nb4 Nb6 (39... Qe7 {a fruitless try to alter the course of the game} 40. Bc5 $1
{Deflection: d7} Qf6 41. Bxd6 Qxd6 42. Rb7 $18) 40. Bxb6 Rd2 (40... Rxb6 {
desperation} 41. Nd5 Rxd5 42. exd5 g5 43. hxg5 hxg5 $18) 41. Bxd8 (41. Qc4 $142
{secures the point} Kh8 42. a5 $18) 41... Qxf2+ (41... Qxf2+ 42. Kh3 Qf1#) 0-1

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.09"]
[Round "2.3"]
[White "Nakamura, Mitsuru"]
[Black "Takeuchi, Hiroshi"]
[Result "1/2-1/2"]
[ECO "E98"]
[WhiteElo "1387"]
[BlackElo "1415"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "122"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8192] E98: King's Indian: Classical Main Line: 9 Ne1} 1. d4 Nf6 2. c4 d6
3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10.
Be3 (10. Kh1 f5 11. exf5 Nxf5 12. Nc2 a5 13. Ne4 Nf6 14. Bd3 Nxe4 15. Bxe4 Qh4
16. Qd3 Ng3+ 17. Qxg3 Qxe4 18. Qc3 Qe2 19. Be3 Bf5 20. Rac1 Qd3 21. Na3 Qxc3
22. Rxc3 b6 23. Nb5 Rf7 24. Kg1 h5 {Miles,A (2635)-Ziegler,A (2440) Malmo 1996
1-0 (70)}) 10... a6 $146 {Consolidates b5} (10... a5 11. Nd3 b6 12. a3 f5 13.
f3 f4 14. Bf2 {1/2-1/2 (14) Pancevski,F (2366)-Rmus,A (2386) Belgrade 2008}) (
10... f5 11. exf5 gxf5 12. f4 exf4 13. Bd4 Be5 14. Nf3 Ng6 15. a3 Nf6 16. Ng5
Re8 17. Bf3 Ng4 18. Ne6 Bxe6 19. dxe6 c6 20. Bxg4 fxg4 21. Bxe5 dxe5 22. Ne4
Qxd1 23. Raxd1 Rxe6 24. Rd7 Re7 25. Rfd1 {Khurtsilava,I (2265)-Georgiev,K 
(2487) Thessaloniki 2001 0-1 (33)}) 11. a4 f5 {Attacks the pawn chain} 12. f3 {
Black's piece can't move: c8} Nf6 (12... a5 13. Nd3 $14) 13. Qc2 (13. c5 h5 $16
) 13... f4 {Black gets more space} (13... a5 14. Nd3 $14) 14. Bf2 $16 g5 15. c5
Ng6 16. Qb3 Kh8 (16... g4 $142 $16) 17. c6 $4 {there were better ways to keep
up the pressure} (17. cxd6 cxd6 18. a5 g4 $16) 17... b6 {Secures c5} (17...
bxc6 $5 18. dxc6 Ne7 $11) 18. Qc4 (18. Qd1 $5 $16) 18... g4 $14 19. fxg4 Nxg4 {
White king safety dropped} 20. Nf3 {In the style of Nimzovich} Nxf2 21. Rxf2 {
Black has the pair of bishops} Nh4 22. Qd3 Bg4 23. Raf1 Nf5 $4 {with this move
Black loses his initiative} (23... Nxf3+ $142 {would hold out} 24. Bxf3 Bc8 $11
) 24. exf5 $18 Bxf5 25. Ne4 Qe7 26. Qc2 Rg8 27. Bd3 Bh6 (27... Bg4 28. Kh1 $18)
28. Kh1 (28. Nf6 {keeps an even firmer grip} Rg6 29. Bxf5 Rxf6 $18) 28... Rg6 (
28... Bg4 29. Rd1 $18) 29. Rg1 (29. Nc3 {and White can already relax} Bxd3 30.
Qxd3 a5 $18) 29... a5 30. Qe2 Re8 31. Qe1 Reg8 (31... Bg4 32. Re2 $18) 32. Rff1
(32. Nxd6 {might be the shorter path} Bxd3 33. Nxe5 R6g7 34. Ndf7+ Rxf7 $18)
32... Bg7 (32... Bc8 33. Nc3 R6g7 34. Qb1 $18) 33. Nh4 Bxe4 34. Nxg6+ (34. Bxe4
$5 {seems even better} Rg5 $18) 34... Bxg6 35. Bxg6 hxg6 36. Qe4 $4 {White
loses the upper hand} (36. Rxf4 $142 $1 {and White can celebrate victory} Rf8
37. Rxf8+ Bxf8 38. Rf1 $18) 36... Qf7 37. g3 Bh6 38. g4 (38. Rg2 Qh7 $16) 38...
g5 (38... Bg5 39. Rf3 $11) 39. Rg3 (39. Kg2 Kg7 $14) 39... Rg6 (39... Qh7 $142
$5 {should be investigated more closely} 40. Qxh7+ Kxh7 $11) 40. Rh3 $16 Kg7
41. Rhf3 Rf6 42. b4 (42. Re1 Qg6 $14) 42... axb4 43. Rb1 {White threatens to
win material: Rb1xb4} Kg8 (43... Qg6 $5 44. Rxb4 Rf8 $14) 44. Rxb4 $16 Qg6 $4 {
another bit of territory lost} (44... Qe7 $16) 45. Qe2 (45. Qxg6+ $142 {
and White has reached his goal} Rxg6 46. Rxb6 $18) 45... Bf8 (45... Rf8 46. Kg2
$14) 46. h3 Qh7 (46... Bg7 47. Kg2 $16) 47. Qe4 $16 Qg7 48. Rb5 Rh6 49. Kg2 Qf7
(49... Qh7 50. Rb4 $16) 50. a5 $18 bxa5 51. Rxa5 Qh7 $2 (51... Qf6 $142 $16)
52. Qxh7+ $18 Rxh7 53. Ra8 e4 54. Rf1 (54. Rb3 {makes it even easier for White}
Rf7 $18) 54... Rf7 $2 (54... Re7 $5 55. Re1 Kf7 $16) 55. Re8 (55. Rb1 {and
White can already relax} Kh7 56. Rd8 Kg6 $18) 55... e3 (55... Re7 56. Rxe7 Bxe7
57. Rc1 $18) 56. Kf3 Kg7 (56... Rh7 57. Rh1 $18) 57. Re6 (57. Rb1 $142 {
might be the shorter path} Kh6 58. Rd8 Rh7 59. Rxf8 Kg6 $18) 57... Rf6 $4 {
Black has lost his nerve... understandable when you consider his position} (
57... Be7 $18) 58. Rxf6 Kxf6 59. Ke4 (59. Ra1 $142 {and White wins} Be7 60. Ra8
$18) 59... Bg7 60. Ra1 (60. Rb1 $142 {keeps an even firmer grip} Bh8 61. h4
gxh4 62. Kxf4 $18) 60... Kg6 61. Re1 (61. Rh1 $5 Bf6 $18) 61... Be5 1/2-1/2

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.09"]
[Round "3.1"]
[White "Nakagawa, Seiji"]
[Black "Nishimori, Toshiyuki"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1780"]
[BlackElo "1583"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "105"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8256] C30: King's Gambit Declined} 1. e4 e5 2. Bc4 Bc5 3. Nc3 Nf6 4. d3
h6 5. f4 d6 6. Nf3 Nc6 7. f5 (7. Na4 Bb6 8. Nxb6 axb6 9. Bb5 (9. O-O O-O 10.
Qe1 Bg4 11. f5 Bxf3 12. Rxf3 d5 13. exd5 Nd4 14. Rh3 Qd6 15. Qf2 b5 16. c3 bxc4
17. cxd4 cxd3 18. dxe5 Qxe5 19. Rxd3 Nxd5 20. Be3 Rfe8 21. Bd4 Qe4 22. Rg3 f6
23. a3 Ra6 {Sokac,M (2336)-Novak,I (2231) Velika Gorica 2015 1/2-1/2 (41)})
9... Qe7 10. O-O Bd7 11. Kh1 O-O-O 12. Qe1 exf4 13. Bxf4 g5 14. Bd2 Ng4 15.
Bxc6 bxc6 16. h3 Ne5 17. Nxe5 dxe5 18. Qf2 g4 19. hxg4 Rhg8 20. Qf6 Qc5 21. Bc3
Rxg4 {Liiva,R (2395)-Gausel,E (2485) Bern 1994 1/2-1/2}) 7... Qe7 $146 (7... a6
8. a3 (8. Bd2 Bd7 9. Qe2 Qe7 10. O-O-O Nd4 11. Nxd4 Bxd4 12. g4 Bxc3 13. Bxc3
b5 14. Bb3 c5 15. h4 h5 16. g5 Ng4 17. Ba5 Bc6 18. Rdf1 Qb7 19. Rhg1 c4 20.
dxc4 Bxe4 21. Re1 Bxf5 22. c5 O-O {Dashko,A (2361)-Razenkov,M (2229) Krasnodar
2004 1-0 (34)}) 8... b5 9. Ba2 Bb7 10. Nd5 Nxd5 11. Bxd5 Qe7 12. c3 Nd8 13. Ba2
Bb6 14. Qe2 c5 15. O-O Qc7 16. Kh1 Nc6 17. Be3 O-O-O 18. Qf2 Rdf8 19. b4 Nb8
20. a4 Nd7 21. axb5 axb5 22. Bb3 {Perez Rodriguez,L (2459)-Argandona Riveiro,I
(2208) Andorra 2000 1-0 (59)}) (7... Ng4 8. Qe2 Bf2+ 9. Kd1 Bb6 10. Rf1 Nf6 11.
h3 Qe7 12. g4 Nd4 13. Qg2 Nxf3 14. Rxf3 Bd7 15. g5 hxg5 16. Bxg5 c6 17. a4 Ba5
18. Ne2 d5 19. exd5 cxd5 20. Bb3 Qb4 21. Nc3 Bc6 22. Qe2 {Kolganova,N (2169)
-Aketayeva,D (2171) Serpukhov 2002 1/2-1/2 (66)}) (7... Rb8 8. Bd2 $15) 8. Qe2
g5 (8... Bd7 9. Nd5 Nxd5 10. Bxd5 $11) 9. Be3 (9. fxg6 fxg6 10. Na4 Be6 $14)
9... Bd7 10. Bxc5 dxc5 11. O-O-O O-O-O 12. Rhe1 (12. Nd5 Qd6 $11) 12... a6 {
Covers b5} (12... g4 $5 {is worth looking at} 13. Nd2 Nd4 $11) 13. Nd5 $14 {
White threatens to win material: Nd5xe7} Qd6 14. Qf2 Nd4 15. Ne3 (15. Nd2 Nxd5
16. Bxd5 f6 $14) 15... Rhf8 (15... Qe7 16. Nd5 Qd6 17. Nd2 Nxd5 18. exd5 $11)
16. g4 (16. Nd2 Ba4 $11) 16... b5 $11 17. Bb3 a5 18. c3 Nxb3+ (18... Nxf3 $5
19. Qxf3 a4 $11) 19. axb3 $14 {White has new doubled pawns: b2+b3} Kb7 20. h4 {
White threatens to win material: h4xg5} Nh7 21. Rh1 f6 (21... Rg8 $142 $5 $14 {
is an interesting alternative}) 22. hxg5 $16 fxg5 $2 (22... Nxg5 $142 $5 23.
Rxh6 Nf7 $16) 23. Qh2 $18 Rh8 (23... Nf6 24. Nxe5 Be8 25. Qxh6 $18) 24. Qxe5 (
24. Nxe5 $142 {might be the shorter path} Be8 25. d4 $18) 24... Nf6 25. Qxd6
cxd6 26. Rh3 h5 (26... Rdg8 27. Rg3 $16) 27. Rdh1 (27. Nxg5 $142 hxg4 28. Rg3
$18) 27... d5 $2 (27... Rdg8 $142 $5 $16) 28. Nxg5 (28. Nxd5 $142 {and White
can already relax} Nxg4 29. Nxg5 Bxf5 $18) 28... dxe4 $2 (28... Rdg8 29. Nf7
Rh7 $18) 29. Nf7 exd3 30. g5 (30. Nxh8 {keeps an even firmer grip} d2+ 31. Kd1
Rxh8 $18) 30... Ne4 31. Nxh8 Nf2 (31... d2+ {no good, but what else?} 32. Kc2
Nxg5 33. Rxh5 Bc6 $18) 32. Rxh5 (32. Nf7 $142 {makes sure everything is clear}
Rg8 33. Rxh5 Nxh1 34. Rxh1 b4 $18) 32... d2+ 33. Kc2 (33. Kxd2 Bc6+ 34. Ke1
Nd3+ 35. Kf1 Bxh1 36. Rxh1 a4 $18) 33... Bc6 (33... d1=Q+ {is not the saving
move} 34. Rxd1 Nxd1 35. Nxd1 (35. Kxd1 $2 Be8+ 36. Kc2 Bxh5 $19) 35... Bxf5+
36. Kc1 Rxd1+ 37. Kxd1 Bg4+ 38. Kd2 Bxh5 39. g6 Bxg6 40. Nxg6 $18) 34. Rh7+ Kb6
(34... Kb8 {praying for a miracle} 35. R1h4 Bf3 $18) 35. R1h6 Ng4 36. Nd1 (36.
Rxc6+ $142 $5 {makes it even easier for White} Kxc6 37. Nd1 Kd5 $18) 36... Nxh6
37. Rxh6 Kb7 38. Rh4 Bf3 (38... Bd7 {is the last straw} 39. Rf4 Rxh8 $18) 39.
Nf7 Rd5 (39... Rg8 {cannot change what is in store for White} 40. f6 Bd5 41.
Rh8 $18) 40. Rf4 (40. g6 $142 {secures the win} b4 41. cxb4 Rd7 $18) 40... Bh5
41. Nh6 (41. c4 $142 $5 {seems even better} bxc4 42. bxc4 Rd7 $18) 41... Be2 (
41... b4 {doesn't get the bull off the ice} 42. c4 Rd8 $18) 42. Ne3 (42. c4
$142 {ends the debate} Rd7 43. f6 $18) 42... d1=Q+ 43. Nxd1 Bxd1+ 44. Kc1 Bxb3
45. Rf1 b4 (45... Bc4 {there is nothing better in the position} 46. Re1 Rd3 $18
) 46. g6 bxc3 (46... a4 {hoping against hope} 47. cxb4 cxb4 $18) 47. bxc3 a4
48. g7 (48. f6 $142 {might be the shorter path} Kc6 49. f7 $18) 48... a3 (48...
Rd3 {the last chance for counterplay} 49. f6 Rxc3+ 50. Kb1 Kb6 $18) 49. g8=Q a2
50. Qg7+ Kc6 51. Kb2 c4 52. Qg2 Kc5 (52... Kb6 {doesn't change anything anymore
} 53. Qxd5 Ka7 54. Re1 a1=Q+ 55. Rxa1+ Kb6 56. Ra5 Kc7 57. Ra7+ Kb6 58. Rb7+
Ka6 59. Qb5#) 53. Qxd5+ $1 {an unpleasant surprise} (53. Qxd5+ Kxd5 54. f6 Kd6
55. f7 a1=Q+ 56. Rxa1 Kd7 57. f8=Q Bd1 58. Qf7+ Kc6 59. Ra6+ Kb5 60. Qe6 Bf3
61. Qb6#) 1-0

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.09"]
[Round "3.2"]
[White "Nakamura, Mitsuru"]
[Black "Yoshii, Yukihiko"]
[Result "1/2-1/2"]
[ECO "C87"]
[WhiteElo "1387"]
[BlackElo "1689"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "100"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8256] C87: Closed Ruy Lopez: Steinitz-type lines after 6 Re1 d6} 1. e4
e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Re1 Be7 6. h3 O-O 7. c3 Bd7 8. d4 a6 9.
Ba4 b5 (9... h6 10. Nbd2 Re8 11. Nf1 Bf8 12. Ng3 Rc8 13. Bc2 b5 14. Be3 (14. b3
Na5 15. Be3 c6 16. Qd2 Nb7 17. Rad1 Qa5 18. Nh4 Nd8 19. f4 exf4 20. Bxf4 Ne6
21. Be3 Ng5 22. b4 Qc7 23. Bxg5 hxg5 24. Qxg5 Nh7 25. Qh5 Re6 26. Qe2 Rce8 27.
Nf3 c5 28. bxc5 dxc5 {Perez Candelario,M (2575)-Stocek,J (2569) Istanbul 2012
1-0 (45)}) 14... a5 15. d5 Ne7 16. a4 c6 17. dxc6 Bxc6 18. axb5 Bxb5 19. Qb1
Qc7 20. Qa2 Nc6 21. Bb3 Ra8 22. Nd2 Reb8 23. Red1 a4 24. Bc4 {Petrosian,T 
(2636)-Stocek,J (2596) Benasque 2011 1/2-1/2 (37)}) 10. Bc2 h6 11. Nbd2 exd4
$146 (11... Ne8 12. Nf1 Bf6 13. Ng3 Na5 14. Nh5 Qe7 15. a4 Nb7 16. axb5 Bxb5
17. Bd3 Bxd3 18. Qxd3 c5 19. dxe5 Bxe5 20. Rxa6 Nc7 21. Rb6 Ra7 22. Nf4 Qd8 23.
Nxe5 dxe5 24. Qxd8 Rxd8 25. Nh5 Na5 26. Ng3 {Kabisch,T (2255)-Kuban,G (2230)
Karlsruhe 1988 1-0 (50)}) 12. cxd4 Nb4 (12... Rc8 $14) 13. Nb3 (13. Bb1 $142 $5
c5 14. dxc5 dxc5 15. a3 $16) 13... Nxc2 $11 {Black forks: a1+e1} 14. Qxc2 {
Black has the pair of bishops} Rc8 {Black has a cramped position} 15. Be3 d5 (
15... Re8 16. Bd2 $11) 16. Nbd2 (16. e5 Ne4 $16) 16... c6 {White has an active
position} (16... dxe4 17. Nxe4 Nxe4 18. Qxe4 $11) 17. Rac1 (17. e5 Ne8 $16)
17... Re8 (17... dxe4 $142 18. Nxe4 Nxe4 19. Qxe4 Re8 $11) 18. Bf4 $4 {hands
over the advantage to the opponent} (18. e5 $5 Nh7 19. Nb3 $16) 18... Bb4 $4 {
throwing away the advantage} (18... dxe4 19. Ne5 Nd5 20. Be3 $17 (20. Qxe4 $2 {
fails to} f5 21. Qf3 Nxf4 $19)) 19. Re2 $4 {releasing the pressure on the
opponent} (19. e5 $5 {is noteworthy} Ne4 20. a3 (20. Nxe4 $143 dxe4 (20... Bxe1
$143 21. Nd6 (21. Rxe1 $143 Bf5 $17) (21. Nxe1 $143 dxe4 22. Qxe4 Be6 $15)
21... Bb4 22. Nxc8 Qxc8 23. Bd2 $14) 21. Nd2 Bf5 $11) 20... Bxd2 21. Nxd2 $14)
19... Bxd2 {Black forks: c1+f4} (19... c5 $142 $5 20. Qd1 dxe4 $19) 20. Nxd2
$15 dxe4 (20... Bf5 21. Qc5 $15) 21. Nxe4 $11 {Opposite coloured bishops
appeared.} Nd5 {Black threatens to win material: Nd5xf4. A sound move} 22. Be5
Re6 (22... Bf5 $5 $11) 23. Nc5 $14 {White threatens to win material: Nc5xe6.
White forks: a6+e6} Rg6 24. Qb3 (24. Kh1 Be6 $14) 24... Be6 {White has an
active position} (24... Qg5 $142 25. f4 Nxf4 26. Bxf4 Qxf4 $15) 25. Ne4 $4 {
allows the opponent back into the game} (25. Ree1 $142 $11 {is just about the
only chance}) 25... Nf4 $19 {Decoy: f4} 26. Qe3 (26. Bxf4 Qh4 {Decoy Double
attack} (26... Bxb3 {Discovered attack})) 26... Nxe2+ (26... Nxg2 $142 {
and Black wins} 27. Qa3 b4 28. Qxa6 Nf4+ 29. Kf1 Ra8 $19) 27. Qxe2 Bxh3 28. Ng3
Qg5 (28... Be6 {makes it even easier for Black} 29. b3 $19) 29. Re1 (29. Rc5
Bg4 30. Qf1 Bd7 $19) 29... Be6 30. Qf3 (30. f4 Qg4 31. Qxg4 Rxg4 $19 (31...
Bxg4 $6 32. f5 Rg5 33. Bf4 $17)) 30... Bd5 31. Ne4 Bxe4 32. Qxe4 Re8 33. Re3 f6
34. Qxc6 Rxe5 (34... Rd8 $142 {secures victory} 35. Bg3 Rxd4 $19) 35. dxe5 $11
fxe5 36. Qd5+ {White forks: e5} Kh7 37. Rxe5 Qc1+ {Black forks: b2} 38. Kh2
Qxb2 $4 {stumbles just before the finish line} (38... Qf4+ $142 {would bring
relief} 39. Kg1 Qc1+ 40. Kh2 Qf4+ (40... Qxb2 $4 {Black will not be able to
digest the pawn} 41. Re8 Rg4 42. Qf5+ Rg6 43. Re6 $18) 41. Kg1 Qc1+ $11) 39.
Re8 $18 h5 40. Re5 {White threatens to win material: Re5xh5} (40. f4 $142 {
it becomes clear that White will call all the shots} Rh6 41. Qe4+ Rg6 42. Re5
Qxg2+ 43. Qxg2 Rxg2+ 44. Kxg2 $18) 40... Qxf2 $11 41. Rxh5+ Rh6 42. Qe4+ Kg8
43. Rxh6 gxh6 {A queen endgame occured} 44. Qg6+ {White forks: a6+h6} Kf8 45.
Qxh6+ Ke7 46. Qxa6 Qh4+ 47. Kg1 Qe1+ 48. Kh2 Qh4+ 49. Kg1 Qe1+ {Twofold
repetition} 50. Kh2 Qh4+ 1/2-1/2

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.09"]
[Round "3.3"]
[White "Takeuchi, Hiroshi"]
[Black "Kawamura, Takuto"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1415"]
[BlackElo "1581"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "43"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8192] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6
3 Bf4} 1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 Bd6 5. Bg3 O-O 6. Bd3 c5 7. c3 Nc6
8. Nbd2 b6 9. O-O Qc7 $146 (9... Bxg3 10. hxg3 Bb7 11. Qe2 (11. a3 Qd6 12. b4
Rab8 13. Re1 e5 14. b5 e4 15. bxc6 Bxc6 16. dxc5 Qxc5 17. Nb3 Qd6 18. Nbd4 exd3
19. Qxd3 Bd7 20. Nd2 b5 21. Ne2 Rbc8 22. Nf4 Qc5 23. Rec1 Rfd8 24. Nb3 Qc4 25.
Qxc4 dxc4 {Eljanov,P (2716)-Gelfand,B (2720) Moscow 2008 0-1 (56)}) 11... Qc7
12. dxc5 bxc5 13. e4 g6 14. Rfe1 Rae8 15. Qe3 Qe7 16. Qh6 Rd8 17. Ng5 Ne5 18.
Bc2 Neg4 19. Qh4 h6 20. Ngf3 dxe4 21. Nxe4 Kg7 22. Rad1 Rxd1 23. Rxd1 Bxe4 24.
Bxe4 {Palchun,G (2288)-Inarkiev,E (2664) Sochi 2015 0-1}) (9... Bb7 10. Qe2 (
10. Ne5 Ne7 11. Rc1 Ne4 12. Bxe4 dxe4 13. Qc2 f6 14. Nec4 Bxg3 15. hxg3 Qd5 16.
dxc5 Qxc5 17. b4 Qc7 18. a4 f5 19. Nb2 Nc6 20. Qb3 Qf7 21. Ndc4 Rad8 22. Rfd1
Qc7 23. Rxd8 Rxd8 24. Rd1 Ne7 {Colas,J (2239)-Adamson,R (2287) Las Vegas 2013
1/2-1/2 (42)}) 10... Ne7 11. dxc5 Bxc5 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Bxe4
15. Qxe4 Qd5 16. Qa4 Qc6 17. Qxc6 Nxc6 18. Rfd1 Rfd8 19. Kf1 Kf8 20. Ke2 Ke8
21. Nd2 Bd6 22. Bxd6 Rxd6 23. Nc4 Rxd1 24. Rxd1 {Umetsubo,C (2348)-Proudian,A 
(2317) Sao Bernardo do Campo 2014 0-1 (55)}) 10. e4 cxd4 11. cxd4 dxe4 12. Nxe4
Nxe4 13. Bxe4 Bb7 14. Rc1 Bxg3 15. fxg3 {White has new doubled pawns: g2+g3}
Rac8 16. Ne5 {White threatens to win material: Ne5xc6} (16. d5 $5 exd5 17. Qxd5
$14) 16... Qd6 $11 17. Bxh7+ Kxh7 {Black wins a piece} 18. Qh5+ Kg8 19. Nxf7 {
White has a mate threat. .} Qxd4+ {Black forks: b2} 20. Kh1 Qf6 $4 {ruins a
very nice position} (20... g6 $142 {is the best chance} 21. Qxg6+ Qg7 22. Nh6+
Kh8 23. Nf7+ Kg8 24. Nh6+ Kh8 25. Nf7+ Kg8 $11) 21. Rxf6 gxf6 (21... Rxf7 {
doesn't get the cat off the tree} 22. Qxf7+ Kh7 23. g4 Ne5 24. Rh6+ Kxh6 25.
Qh5#) 22. Qg6# 1-0

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.10"]
[Round "4.1"]
[White "Nakagawa, Seiji"]
[Black "Nakamura, Mitsuru"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "1780"]
[BlackElo "1387"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "73"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8192] C28: Vienna Game: 2...Nf6 3 Bc4 Nc6} 1. e4 e5 2. Bc4 Bc5 3. Nc3
Nf6 4. d3 d6 5. Bg5 h6 6. Bh4 Nc6 7. Nd5 (7. Na4 Bb4+ 8. c3 Bc5 9. b4 Bb6 10.
Qb3 Qe7 11. Ne2 Nd8 12. f3 Be3 13. d4 Ne6 14. Bxe6 Bxe6 15. d5 Bd7 16. c4 Bg5
17. Bf2 h5 18. h4 Bh6 19. Nb2 g5 20. hxg5 Bxg5 21. Be3 Rg8 {Keitlinghaus,L 
(2525)-Galdunts,S (2435) Recklinghausen 1997 1-0 (39)}) 7... g5 8. Bg3 Nxd5 9.
Bxd5 Qe7 $146 (9... Ne7 10. Bb3 (10. h4 Nxd5 11. exd5 Qf6 12. Qd2 Rg8 13. hxg5
hxg5 14. Ne2 Bd7 15. d4 exd4 16. O-O-O O-O-O 17. Nxd4 Rh8 18. Nb3 Bb6 19. Rxh8
Rxh8 20. Re1 Bf5 21. Qe2 Bg6 22. a4 a6 23. a5 Ba7 24. f3 g4 {Schlechter,
C-Rubinstein,A Berlin 1918 1/2-1/2 (57)}) 10... a5 (10... Ng6 11. Ne2 Qf6 12.
d4 exd4 13. Qd3 h5 14. h3 h4 15. Bh2 Ne5 16. Bxe5 dxe5 17. Qb5+ Qc6 18. Qxc6+
bxc6 19. Ba4 Bd7 20. Nc1 f6 21. Nd3 Bb6 22. c4 dxc3 23. bxc3 c5 24. Bxd7+ Kxd7
25. Nb2 {Bogoljubow,E-Rubinstein,A Moscow 1925 1/2-1/2 (38)}) 11. Qf3 Rh7 12.
Ne2 a4 13. Bc4 c6 14. a3 Ng6 15. Qh5 d5 16. Ba2 Be6 17. h4 gxh4 18. Bxe5 Qg5
19. Qxg5 hxg5 20. Bf6 Be7 21. exd5 Bxd5 22. Bxe7 Nxe7 23. Bxd5 Nxd5 24. Kd2 {
Forras,C (2270)-Fabri,F (2265) Hungary 1997 0-1 (41)}) (9... Qf6 10. c3 Ne7 11.
Bb3 Be6 12. h4 O-O-O 13. h5 Bxb3 14. Qxb3 Qe6 15. Qxe6+ fxe6 16. Nf3 Ng8 17.
Ke2 Nf6 18. Raf1 a6 19. Nd2 b5 20. f3 Bb6 21. Bf2 Bxf2 22. Rxf2 Rdf8 23. g3
Rhg8 24. Nf1 {Finegold,B (2494)-Mulyar,M (2399) Wheeling 2011 1/2-1/2 (31)})
10. Qh5 (10. c3 Be6 $11) 10... Be6 (10... Nd4 11. O-O-O c6 12. c3 cxd5 13. cxd4
exd4 14. Nf3 dxe4 15. dxe4 $17) 11. Bxc6+ (11. c3 Qf6 12. Bxe6 Qxe6 $11) 11...
bxc6 $15 12. h4 O-O-O 13. Ne2 Qd7 (13... Kb7 14. f3 $17) 14. f3 {Covers g4} (
14. hxg5 hxg5 15. Qxh8 Rxh8 16. Rxh8+ Kb7 $11) 14... Rdg8 (14... g4 15. f4 f5
16. exf5 Bxf5 17. fxe5 $17) 15. Kd2 (15. hxg5 Be3 $11) 15... f6 16. a3 {
Controls b4} (16. hxg5 $5 {is interesting} Rxg5 17. Qh4 $17) 16... d5 $17 17.
hxg5 hxg5 (17... Rxg5 $142 18. Qh4 dxe4 19. fxe4 Rhg8 $17) 18. Qxh8 $11 Rxh8
19. Rxh8+ Kb7 20. Rah1 dxe4 21. fxe4 Bg4 22. R8h7 {White threatens to win
material: Rh7xd7} Qe6 (22... Qd6 23. Nc3 $11) 23. Nc3 $14 Bd4 (23... f5 24.
exf5 Bxf5 25. R7h6 $14) 24. R7h6 Bxc3+ $4 (24... Qf7 $142 $14 {this is the
best bet to save the position}) 25. bxc3 $18 (25. Kxc3 $6 c5 26. b3 Qe7 $16)
25... Qe7 26. Rf1 Qxa3 27. Rfxf6 $4 {a weak move, ruining a winning position} (
27. Rhxf6 $142 {finishes off the opponent} a5 28. Bxe5 $18) 27... Qa1 $11 {
Black has a mate threat} 28. Bxe5 $4 {White is ruining his position} (28. c4
$142 $11 {would save the game}) 28... Qd1+ $19 29. Ke3 Qe2+ $4 {throws away a
nice position} (29... Qg1+ $142 {and Black is on the road to success} 30. Kd2
c5 $19) 30. Kd4 $18 c5+ $4 {terrible, but what else could Black do to save the
game?} (30... Qxg2 $142 31. Rf7 Kb6 32. Bxc7+ Kb5 33. c4+ Ka4 $18) 31. Kc4 (31.
Kxc5 Be6 32. Rxe6 Qf2+ 33. d4 Qf8+ 34. Kb5 $18) 31... Qxc2 $11 32. Rc6 {
White has a mate threat} Qa4+ $4 {lets it slip away} (32... Qa2+ $142 {was a
good chance to save the game} 33. Kxc5 Qf2+ 34. Kb4 Qb2+ 35. Kc4 Qa2+ 36. Kd4
Qf2+ 37. Kd5 Qf7+ 38. Kd4 Qf2+ 39. Kc4 Qa2+ 40. Kb4 Qb2+ 41. Kc4 Qa2+ $11) 33.
Kxc5 $18 Qa5+ 34. Kd4 Qa4+ (34... Bd7 {is not much help} 35. Rxc7+ Qxc7 36.
Bxc7 Kxc7 37. Rh7 $18) 35. Rc4 Qd7+ 36. Ke3 Be6 (36... a5 {there is nothing
else anyway} 37. Rg6 Qd8 38. Rxc7+ Qxc7 39. Bxc7 Kxc7 40. Rxg5 Be6 41. Rxa5 Bg4
$18) 37. Rxc7+ (37. Rxc7+ Qxc7 38. Bxc7 $18 (38. Rxe6 $6 {succumbs to} Qc5+ 39.
Kf3 Qa3 $11)) 1-0

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.10"]
[Round "4.2"]
[White "Nishimori, Toshiyuki"]
[Black "Takeuchi, Hiroshi"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1583"]
[BlackElo "1415"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "91"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8256] B07: Pirc Defence: Miscellaneous Systems} 1. e4 d6 2. d4 Nf6 3.
Nc3 g6 4. Bc4 Bg7 5. Nge2 O-O 6. Bg5 (6. Bb3 Nbd7 7. f3 e5 8. dxe5 dxe5 9. Be3
c6 10. Qd2 Re8 11. O-O-O Qa5 12. g4 Nc5 13. Kb1 Be6 14. Bf2 Bxb3 15. axb3 Red8
16. Qe3 Ne6 17. Rxd8+ Qxd8 18. Rd1 Qe7 19. Qd2 Rd8 20. Qe3 b6 {Crepan,M (2363)
-Skoberne,J (2499) Ljubljana 2008 0-1 (41)}) (6. f3 c6 7. a4 d5 8. Bb3 dxe4 9.
fxe4 e5 10. Bg5 exd4 11. Qxd4 Qxd4 12. Nxd4 Nbd7 13. Rf1 h6 14. Bh4 Ng4 15. Ne6
fxe6 16. Bxe6+ Kh7 17. Bxg4 Rxf1+ 18. Kxf1 Nc5 19. Bf3 Be6 20. Bf2 b6 {Almeida
Saenz,A (2424)-Ginsburg,M (2365) New York 2008 1-0}) 6... Nbd7 7. Qd3 $146 (7.
O-O c6 8. Bd3 e5 9. d5 Qc7 10. Bc4 a6 11. Qd3 Nb6 12. Rad1 cxd5 13. Bxf6 Qxc4
14. Qxc4 Nxc4 15. Bxg7 Kxg7 16. b3 d4 17. Nd5 Na5 18. c3 dxc3 19. Ndxc3 Rd8 20.
Rd5 b5 21. Rfd1 Nb7 {Sack,B (2185)-Breier,A (2215) Germany 1994 0-1 (51)}) 7...
a5 8. a3 c5 9. h3 {Prevents intrusion on g4} Qc7 {Black has a cramped position.
Black's piece can't move: c8} 10. Ba2 cxd4 11. Nb5 $4 {forfeits the advantage}
(11. Nxd4 $142 {would keep White alive} Qb6 12. O-O-O $14) 11... Qb6 $19 12.
O-O $4 {White falls apart} (12. Nbxd4 $142 Nc5 13. Qe3 Ncxe4 14. Bxf6 Nxf6 15.
O-O-O $17) 12... Ne5 (12... Nc5 {and Black can already relax} 13. Qc4 Nfxe4 14.
b4 $19) 13. Qb3 (13. Qxd4 {hardly improves anything} Qxb5 14. Qe3 Nc4 (14...
Qxb2 $143 15. Bb3 Nc6 16. f4 $19) 15. Bxc4 Qxc4 $19) 13... Be6 (13... a4 $142
$5 {seems even better} 14. Qg3 Nxe4 15. Qf4 Nxg5 16. Nbxd4 $19) 14. Qa4 Bxa2 (
14... Nxe4 15. Bxe7 Bd7 16. Qxd4 (16. Nexd4 $4 Nc5 17. Bxf8 Nxa4 $19) (16. Bxf8
$4 {simply loses} Bxb5 (16... Qxb5 $143 17. Qxb5 Bxb5 18. Bxg7 Kxg7 19. Rfe1
Bxe2 20. Rxe2 $16) 17. Qb3 Nd2 $19 (17... Kxf8 $6 {is a bad alternative} 18. a4
$17) (17... Bxf8 $6 {is impossible} 18. a4 $11) (17... Rxf8 $6 {is a weaker
possibility} 18. a4 Nd2 19. Qxb5 Qxb5 20. axb5 Nxf1 21. Kxf1 $17)) 16... Nf3+
17. gxf3 Bxd4 18. Nbxd4 $19) 15. Rxa2 $4 {leading to a quick end} (15. Bxf6 Bc4
(15... exf6 $6 16. Rxa2 Rfd8 17. Nexd4 $15) 16. Bxe5 Bxe2 17. Bxg7 Bxf1 (17...
Qxb5 {is clearly weaker} 18. Qxb5 (18. Qxd4 $4 {a poisoned pawn} e5 (18... Bxf1
$6 {is the less attractive alternative} 19. Bh6 f6 20. Bxf8 Kxf8 21. Rxf1 $17)
19. Qxd6 Kxg7 $19) 18... Bxb5 19. Bxf8 Bxf1 20. Bxe7 $14) 18. Kxf1 Kxg7 19.
Qxd4+ Qxd4 20. Nxd4 Rac8 $19) 15... d3 (15... Nxe4 $142 {and Black has it in
the bag} 16. Bxe7 Rfe8 17. Bxd6 Nxd6 18. Nexd4 Red8 $19) 16. Be3 $17 Qc6 17.
cxd3 Nxd3 18. f3 (18. Rd1 Nc5 19. Bxc5 Qxc5 20. Nec3 $17) 18... Ne5 (18... d5
$142 $5 19. Ned4 Qc8 $19) 19. Rc1 $15 {White threatens to win material: Rc1xc6}
Qd7 {White has an active position} 20. Rc7 (20. b3 Rfc8 21. Rac2 Rxc2 22. Rxc2
Nc6 $15) 20... Qe6 (20... Nxf3+ $142 $5 21. Kf1 Qe6 $17) 21. Nec3 Nxf3+ (21...
d5 22. Rxb7 Nxf3+ 23. gxf3 dxe4 24. Rb6 (24. fxe4 $143 Qxh3 25. Bb6 Rad8 26.
Bxd8 Rxd8 $19) 24... Qxh3 25. Rxf6 (25. Nxe4 $4 {capturing this pawn is a
mistake} Nd5 26. Bc5 Nxb6 $19) 25... exf6 26. Nxe4 Qxf3 27. Bf2 $19) 22. gxf3
Qxh3 23. Qd1 Qg3+ 24. Kf1 Ng4 {Black threatens to win material: Ng4xe3} 25. Bg1
(25. fxg4 Qxe3 26. Rxe7 Rae8 $11) 25... Nh2+ (25... f5 $142 26. e5 Qh3+ 27. Ke1
Nxe5 $17) 26. Bxh2 $11 Qxh2 27. b3 ({Inferior is} 27. Rxe7 Rac8 $15) 27... Qh3+
28. Ke1 (28. Kg1 Rac8 29. Rh2 Qe6 $11) 28... Rac8 29. Nd5 (29. Rc2 Rxc7 30.
Nxc7 e6 $15) 29... Rxc7 $15 30. Nbxc7 $2 (30. Ndxc7 $142 {is the best option
White has} f5 31. Rf2 $15) 30... Qh4+ $19 31. Rf2 e6 (31... Rc8 $5 32. Kf1 e6
33. Rh2 $19) 32. Ne3 $17 Rc8 33. Nb5 (33. Qxd6 $4 {that pawn is deadly bait
and will cause White grave problems} Bc3+ 34. Ke2 Rd8 $19) 33... Be5 (33... Bh6
$142 34. Nc4 Bf4 $19) 34. Ke2 $11 (34. Nxd6 $4 {White will choke on that pawn}
Rd8 35. Ke2 Bxd6 $19) 34... Rc6 35. Nc4 {[%cal Rb5d6,Rc4d6,Rd1d6,Gc6d6,Ge5d6]
d6 seems the pivot of the position. White threatens to win material: Nc4xa5.
White forks: a5+d6} (35. a4 Bg3 36. Rf1 Bf4 $11) 35... Bg3 36. Rg2 Qh3 {
Black threatens to win material: Qh3xg2} 37. Qg1 Be5 38. Qf1 d5 $4 {Black has
let it slip away.} (38... Qh5 $142 {was possible} 39. a4 d5 40. exd5 exd5 41.
Nxe5 Qxe5+ 42. Kd3 Qf5+ 43. Ke3 Re6+ 44. Kf2 Qe5 $11) 39. Rxg6+ $3 {Discovered
attack: g2, Qf1xh3} hxg6 (39... fxg6 40. Qxh3 {Discovered attack}) (39... hxg6
40. Qxh3 {Discovered attack}) 40. Qxh3 dxc4 41. bxc4 Rxc4 42. Kd3 (42. Qh4 {
keeps an even firmer grip} Kg7 43. Qd8 Rc2+ 44. Kd3 Rc1 45. Qxa5 Bf4 $18) 42...
Rc5 (42... Rc1 {is no salvation} 43. Qh6 Rf1 44. Qe3 $18) 43. a4 Rc1 (43... Kg7
{cannot change destiny} 44. Qh4 $18) 44. Qg2 (44. Qh4 {keeps an even firmer
grip} Kg7 45. Qg5 Rd1+ 46. Ke2 f6 $18) 44... Ra1 (44... Bf4 {doesn't improve
anything} 45. Qb2 $18) 45. Qc2 (45. Qg5 $142 $5 {seems even better} Bg7 46.
Qd8+ Bf8 47. Qxa5 Rd1+ 48. Ke2 Rc1 $18) 45... Rxa4 (45... Rf1 {a last effort
to resist the inevitable} 46. Ke2 Rh1 $18) 46. Qxa4 1-0

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.10"]
[Round "4.3"]
[White "Yoshii, Yukihiko"]
[Black "Kawamura, Takuto"]
[Result "1-0"]
[ECO "E30"]
[WhiteElo "1689"]
[BlackElo "1581"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "103"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8192] E30: Nimzo-Indian: Leningrad Variation} 1. c4 Nf6 2. Nc3 e6 3. d4
Bb4 4. Bg5 h6 5. Bxf6 Qxf6 6. Nf3 (6. e3 c5 7. Nge2 Nc6 8. dxc5 Bxc5 9. a3 Be7
10. Nf4 O-O 11. Be2 b6 12. O-O Rd8 13. Bf3 Bb7 14. Rc1 Rac8 15. Qa4 a6 16. Rfd1
Qe5 17. b4 Qb8 18. Nd3 d6 19. Qb3 Rc7 20. Rc2 Rdc8 {Gonzalez Rodriguez,J (2420)
-Urday Caceres,H (2480) Matanzas 1992 0-1 (42)}) 6... O-O $146 (6... Bxc3+ 7.
bxc3 d6 8. e3 O-O 9. Be2 (9. Bd3 e5 10. h3 Re8 11. Qc2 Nc6 12. d5 Ne7 13. Nd2
Bf5 14. Bxf5 Nxf5 15. O-O Qg6 16. Qe4 Ne7 17. Qxg6 Nxg6 18. e4 Nf4 19. Rfe1 Nd3
20. Re2 a5 21. Nf1 Nc5 22. f3 g6 23. Ne3 Kg7 {Borda,A (2151)-Cavalcanti,F 
(2284) Rio de Janeiro 2011 0-1 (81)}) 9... b6 10. O-O Bb7 11. Nd2 c5 12. Bf3
Bxf3 13. Qxf3 Qxf3 14. Nxf3 Nc6 15. Nd2 Na5 16. d5 f5 17. f3 Rae8 18. e4 g6 19.
Rae1 e5 20. a4 Kg7 21. g3 {Busu,C (2275)-Cioara,A (2436) Brasov 2011 1/2-1/2 
(41)}) 7. e4 c5 8. e5 {White wins space} Bxc3+ (8... Qg6 9. d5 $11) 9. bxc3 $14
Qe7 10. Be2 (10. Bd3 b6 $14) 10... d6 11. exd6 Qxd6 12. O-O Nd7 13. Qd3 Re8 (
13... b6 14. Qe4 Rb8 15. Rad1 $11) 14. Rfd1 e5 15. Nxe5 (15. dxe5 $5 Qxd3 16.
Rxd3 $11) 15... Nxe5 16. dxe5 Qxd3 {Black forks: e2+c3} (16... Qxe5 $5 {
has some apparent merit} 17. Bf3 Rb8 $11) 17. Rxd3 $14 Bf5 {Black threatens to
win material: Bf5xd3} (17... Rxe5 $2 {doesn't lead to the expected results} 18.
Rd8+ Kh7 19. Bg4 Bxg4 20. Rxa8 $18) 18. Re3 Re7 19. f4 Rae8 20. Bf3 (20. Kf2 f6
21. Re1 fxe5 $14) 20... f6 (20... Rd8 $5 $14) 21. Bd5+ Kf8 22. Rae1 b6 23. h3
g5 (23... fxe5 24. g4 Bc8 25. fxe5 $16) 24. fxg5 hxg5 25. g4 Bh7 (25... Bg6 26.
e6 $16) 26. e6 Rd8 27. Kg2 Kg7 28. Kg3 Rd6 29. a3 a6 (29... Bc2 30. R1e2 Ba4
31. Kf2 $16) 30. h4 gxh4+ 31. Kxh4 Bg6 32. Rf1 Bf7 $4 {a blunder in a bad
position} (32... Bc2 $142 $16) 33. Rfe1 (33. Rxf6 $142 $1 {and the result of
the game is clear: White will win} Kxf6 34. exf7 Rxf7 35. Rf3+ Kg6 36. Rxf7 $18
) 33... Be8 $4 {gives the opponent new chances} (33... Bg6 34. Kg3 $16) 34. Rf1
Bf7 35. Rfe1 {Twofold repetition} (35. Rxf6 $142 $1 {and White has prevailed}
Kxf6 36. exf7 Rxf7 37. Rf3+ Kg6 38. Rxf7 $18) 35... Be8 $4 {gives the opponent
counterplay} (35... Bg6 $142 $5 $11 {would allow Black to play on}) 36. Kg3 (
36. g5 $5 b5 $18) 36... Bg6 (36... Bc6 37. Rd1 $16) 37. Kf4 Be8 (37... Rd8 38.
Rh3 $16) 38. g5 $18 Bc6 $4 {the final mistake, not that it matters anymore} (
38... Bg6 39. Rg1 Rd8 40. Reg3 $18) 39. Rd1 (39. Kf5 $142 {and White has
triumphed} fxg5 40. Ke5 Rexe6+ 41. Bxe6 $18) 39... b5 40. Rdd3 bxc4 (40... Be8
41. Rh3 $18) 41. Bxc4 Rxd3 42. Bxd3 Bb5 (42... Re8 43. e7 Bd7 44. Bxa6 $18) 43.
Bf5 fxg5+ (43... Bc4 44. Rh3 Bxe6 45. Rh7+ Kf8 46. Rxe7 (46. gxf6 $143 Rxh7 47.
Bxh7 Kf7 $18) 46... fxg5+ 47. Ke5 Bxf5 48. Kf6 $18 (48. Kxf5 $4 Kxe7 49. Kxg5
Kd6 $19)) 44. Kxg5 Bc4 45. Re5 (45. Re4 $142 {makes it even easier for White}
Bd5 46. Rg4 Rxe6 47. Bxe6 Bxe6 48. Rf4 $18) 45... Rc7 (45... Bb3 $18 {what
else?}) 46. e7 Bf7 47. e8=Q Bxe8 48. Rxe8 Rb7 49. Rc8 Rb3 (49... Kf7 {is no
salvation} 50. Rxc5 Ke7 51. c4 $18) 50. Rxc5 (50. Rc7+ Kf8 51. Kf6 Rb8 52. Bd7
Rd8 53. Rxc5 Rb8 54. Rc4 Rb6+ 55. Be6 Rxe6+ 56. Kxe6 Kg7 57. Rg4+ Kh6 58. Kf6
Kh7 59. Rh4+ Kg8 60. Rh5 a5 61. a4 Kf8 62. Rh8#) 50... Rxa3 (50... Rb7 $18 {
otherwise it's curtains at once}) 51. Rc7+ Kf8 (51... Kg8 {cannot change
destiny} 52. Kf6 Rxc3 53. Rxc3 a5 54. Rc8#) 52. Kf6 (52. Kf6 Rxc3 53. Rxc3 a5
54. Rc8#) 1-0

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.10"]
[Round "5.1"]
[White "Takeuchi, Hiroshi"]
[Black "Nakagawa, Seiji"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1415"]
[BlackElo "1780"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "76"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8256] A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} 1. d4 g6
2. Bf4 Bg7 3. e3 Nf6 4. Nf3 O-O 5. h3 c5 6. c3 d6 7. Nbd2 Be6 (7... Nc6 8. Be2
cxd4 9. cxd4 Be6 10. O-O h6 11. Qa4 a6 12. Rac1 Qd7 13. Qd1 g5 14. Bg3 Rfc8 15.
a3 b5 16. Bd3 Na5 17. e4 Qa7 18. e5 dxe5 19. Bxe5 Nc6 20. Nb3 Bxb3 21. Qxb3 e6
22. Bxf6 {Epishin,V (2575)-Anton Guijarro,D (2558) Navalmoral 2012 1-0}) 8. Bd3
$146 (8. Be2 Qb6 9. Qc2 (9. Qc1 cxd4 10. exd4 Rc8 11. O-O Nc6 12. Be3 Qd8 13.
Ng5 Bf5 14. Bc4 d5 15. Be2 Nb4 16. g4 Bd7 17. Qd1 Nc6 18. Bf4 Qb6 19. Qb3 Qxb3
20. Nxb3 Nb8 21. Nf3 b6 22. Ne5 Ba4 23. g5 Nfd7 {Niesel,M (2285)-Ragozin,E 
(2335) Porz 1991 0-1 (68)}) 9... cxd4 10. exd4 Nc6 11. Nc4 Qc7 12. Ne3 Nd5 13.
Bh2 Rac8 14. Nxd5 Bxd5 15. Qd2 Na5 16. O-O Nc4 17. Qc2 b5 18. Nd2 Nxd2 19. Qxd2
Qb7 20. f3 b4 21. cxb4 Bc4 22. Rfe1 Qd5 {Seletsky,G (2348)-Lettieri,G (2370)
Napoli 2012 1/2-1/2 (90)}) 8... Qb6 {Black threatens to win material: Qb6xb2}
9. Qc2 Nc6 10. O-O Rac8 11. dxc5 {White forks: b6+d6} Qxc5 12. Nb3 {White
threatens to win material: Nb3xc5} Qb6 13. Qd1 a5 (13... Bd5 14. Bc2 $15) 14.
Ng5 (14. e4 $5 $11 {must be considered}) 14... Bd7 $17 15. Qb1 (15. e4 Ne5 16.
Be3 Qc7 $17) 15... e5 16. Bh2 a4 {Black threatens to win material: a4xb3} (
16... d5 $5 17. e4 Nxe4 18. Bxe4 dxe4 19. Qxe4 Bf5 $17) 17. Nd2 $15 d5 18. e4 {
White has a cramped position} h6 {Black threatens to win material: h6xg5} 19.
Ngf3 {White threatens to win material: Nf3xe5} Rfe8 {White has a cramped
position} 20. Re1 (20. b4 dxe4 21. Nxe4 Nxe4 22. Bxe4 Na7 $17) 20... Qa7 {
Black has an active position} (20... dxe4 21. Nxe4 Nxe4 22. Bxe4 $17) 21. Bb5 (
21. exd5 $5 {is an interesting alternative} Nxd5 22. Nc4 $14) 21... dxe4 22.
Nxe4 Nxe4 23. Qxe4 {[%cal Re4e5,Rf3e5,Rh2e5,Gc6e5,Ge8e5,Gg7e5] Increases the
pressure on e5} a3 24. b3 Bf5 {Black threatens to win material: Bf5xe4} (24...
Qa5 25. Rad1 Bf5 26. Qa4 Qxc3 27. Qxa3 $15) 25. Qe2 (25. Qe3 Qxe3 26. fxe3 e4
$11) 25... e4 $15 26. Nd4 (26. Bxc6 Rxc6 27. Nd4 Bxd4 28. cxd4 Qxd4 $15) 26...
Bxd4 (26... Nxd4 27. cxd4 e3 28. Rad1 Bxd4 29. Bxe8 exf2+ 30. Kh1 fxe1=R+ 31.
Qxe1 $19) 27. cxd4 $2 (27. Bxc6 $142 Rxc6 28. cxd4 Qxd4 29. Bf4 $15) 27... Nxd4
$19 28. Qe3 $4 {the position was bad, and this mistake simply hastens the end}
(28. Qf1 Red8 29. Rac1 $19) 28... Nxb5 29. Qxh6 (29. Qxa7 {cannot undo what
has already been done} Nxa7 30. g4 Bd7 $19) 29... Rc2 30. Bg3 (30. Qe3 {
does not win a prize} Qxe3 31. Rxe3 Bd7 $19) 30... Nc3 31. Bh4 (31. Qe3 {
doesn't do any good} Qa6 32. b4 Ne2+ 33. Kh2 Qd3 $19) 31... Qd4 32. Rf1 (32.
Qe3 {doesn't get the bull off the ice} Qh8 33. Bg5 Rc8 $19) 32... Qg7 (32... e3
$142 {and Black has prevailed} 33. Kh2 exf2 34. Qg5 $19) 33. Qe3 (33. Qxg7+ {
hardly improves anything} Kxg7 34. g4 Bd7 $19) 33... Nd5 34. Qa7 (34. Qg5 {
does not help much} e3 35. fxe3 Qb2 $19) 34... e3 35. Qxb7 (35. Bg3 {otherwise
it's curtains at once} Qb2 36. Kh1 $19) 35... exf2+ 36. Bxf2 Rxf2 $1 {
Deflection: a1} 37. Kxf2 (37. Rxf2 Qxa1+ {Overloading Deflection}) (37. Kxf2
Qd4+ {Mate attack}) (37. Z0 $140 Rxg2+ {Mate threat}) 37... Qd4+ 38. Kg3 Qe5+ (
38... Qe5+ 39. Kh4 g5+ 40. Kh5 Qh8+ 41. Kxg5 f6+ 42. Kxf5 Qh5#) 0-1

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.10"]
[Round "5.2"]
[White "Kawamua, Takuto"]
[Black "Nakamura, Mitsuru"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1581"]
[BlackElo "1387"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "72"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8192] D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran} 1. d4 d5
2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bd6 9.
O-O O-O 10. Qc2 Qc7 (10... a6 11. Ne4 Nxe4 12. Bxe4 f5 13. Bxc6 Ra7 14. Bd2 Qb6
15. d5 Nf6 16. Qb3 Kh8 17. Bc3 Nxd5 18. Bxd5 exd5 19. Bd4 Bc5 20. Qxd5 Bxd4 21.
Qxd4 Qxd4 22. Nxd4 f4 23. Rac1 fxe3 24. fxe3 Rxf1+ 25. Kxf1 {Sadzikowski,D 
(2492)-Gasik,A (2183) Wroclaw 2014 1-0 (50)}) 11. Bd2 h6 12. a3 Bb7 $146 (12...
a6 13. b4 Bb7 14. Ne2 e5 15. Ng3 Rfe8 16. Rfe1 Rad8 17. Rac1 Qb8 18. Bc3 exd4
19. exd4 Nd5 20. Bd2 N7f6 21. Nf5 Nf4 22. Nxd6 Rxe1+ 23. Bxe1 Qxd6 24. Bf1 Ne6
25. Bc3 Qf4 26. Bd2 Qd6 27. Bc3 {Sargissian,G (2660)-Shabalov,A (2620) Chicago
2009 1/2-1/2}) 13. Rac1 a6 14. Ne4 Nxe4 15. Bxe4 Rac8 16. Qb3 (16. b4 $142 $5
$14 {should be investigated more closely}) 16... c5 $11 17. Bxb7 {White forks:
a6+c8} Qxb7 18. dxc5 Nxc5 19. Qa2 Ne4 20. Rfd1 Qb8 21. h3 Rfd8 22. Be1 Rxc1 23.
Rxc1 Qb6 24. Nd4 (24. Qb1 $5 {is worth consideration} f5 25. b4 $14) 24... Bc5
$15 {Black threatens to win material: Bc5xd4} 25. Nc2 Ng3 26. Ra1 Nf5 27. g4 $4
(27. a4 $142 $15 {had to be tried to avoid defeat}) 27... Nh4 $19 28. Bb4 Qc6 (
28... Nf3+ $142 {might be the shorter path} 29. Kf1 Qc6 $19) 29. Kf1 $4 {
White crumbles in face of a dire situation} (29. Ne1 $142 Bxb4 30. axb4 $17)
29... Qh1+ 30. Ke2 Qf3+ 31. Kf1 Rd1+ (31... Bxb4 32. Nd4 Rxd4 33. exd4 Qd3+ 34.
Kg1 Qxh3 35. Qd5 exd5 36. axb4 Nf3#) 32. Be1 Qxh3+ 33. Ke2 Qf3+ (33... Qxg4+
34. Kf1 Nf3 35. Ke2 Nh2+ 36. f3 Qxf3#) 34. Kf1 Rd3 (34... Qg2+ 35. Ke2 Qxg4+
36. Kf1 Nf3 37. Ke2 Nh2+ 38. f3 Qxf3#) 35. Bc3 (35. Qc4 {cannot change what is
in store for White} bxc4 36. Rc1 Bxe3 37. Rd1 Rxd1 38. Nxe3 Qh1+ 39. Ke2 Qxe1#)
35... Ng2 (35... Bxe3 36. Be1 Rd2 37. Qd5 exd5 38. Bxd2 Qxf2#) 36. Nd4 (36.
Qxe6 {doesn't change the outcome of the game} fxe6 37. Be5 Rd2 38. Kg1 Nh4 39.
Ne1 Qxf2+ 40. Kh1 Qf1#) 36... Nxe3+ (36... Nxe3+ 37. Ke1 Rd1+ 38. Rxd1 Qxd1#)
0-1

[Event "SapporoAutumn2022"]
[Site "?"]
[Date "2022.10.10"]
[Round "5.3"]
[White "Nishimori, Toshiyuki"]
[Black "Yoshii, Yukihiko"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1583"]
[BlackElo "1689"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "154"]
[SourceVersionDate "2022.10.19"]

{[%mdl 8256] C41: Philidor Defence} 1. e4 e5 2. Nf3 d6 3. h3 Nf6 (3... Bd7 4.
Bc4 Be7 5. d4 Nc6 6. dxe5 Nxe5 7. Nxe5 dxe5 8. Qf3 Nf6 9. Bg5 Bc6 10. Bxf6 Bxf6
11. Nd2 O-O 12. O-O-O Qd4 13. c3 Qc5 14. Kb1 b5 15. Be2 a5 16. Nb3 Qe7 17. h4
a4 18. Na1 {Zharkov,A (2251)-Smirnov,A (2404) Gornozavodsk 2007 0-1}) 4. Nc3
Be7 5. Bc4 (5. d4 exd4 6. Nxd4 O-O 7. Bc4 c6 8. O-O Re8 9. Re1 Bf8 10. Bb3 Nbd7
11. f3 Nc5 12. Bg5 Be7 13. Nce2 Nxb3 14. axb3 d5 15. e5 Nd7 16. Bxe7 Qxe7 17.
f4 {1/2-1/2 (17) Vincze,R (2187)-Fendrik,L (2198) Hungary 2007}) 5... h6 $146 {
Controls g5} (5... O-O 6. O-O c6 7. Bb3 b5 8. a3 a6 9. d3 Bb7 10. Kh1 Nbd7 11.
Nh2 d5 12. exd5 cxd5 13. d4 exd4 14. Qxd4 Bc5 15. Qh4 d4 16. Ne2 Qb6 17. f3 Nd5
18. Rd1 d3 19. Rxd3 Bf2 20. Qg5 {Zelenika,D (2269)-Sertic,R (2330) Croatia
2005 0-1 (42)}) 6. d4 Nc6 7. d5 {White threatens to win material: d5xc6} Na5 {
Black threatens to win material: Na5xc4} 8. Be2 c5 {Black has a cramped
position. Black's piece can't move: a5} 9. Bb5+ Bd7 10. Bxd7+ Qxd7 11. Bd2 b6 (
11... b5 12. Qe2 b4 13. Nd1 $11) 12. Qe2 $14 a6 {Consolidates b5} 13. O-O O-O
14. a3 Nb7 (14... b5 15. b3 $16) 15. b4 (15. Nh4 Nxe4 16. Qxe4 f5 17. Nxf5 Qxf5
$16) 15... b5 16. Be3 (16. Rfd1 Rac8 $14) 16... Qc7 {White has an active
position} (16... Rfc8 17. Qd3 $11) 17. Bd2 cxb4 (17... Qd7 $142 $5 $11 {
should be examined more closely}) 18. axb4 $16 Rfc8 19. Ra3 (19. Ne1 $142 $5
$16) 19... Qc4 $11 20. Qd3 (20. Qxc4 Rxc4 21. Rb1 Rac8 $11) 20... Qxb4 $15 21.
Nb1 $4 (21. Na4 $142 $1 {was much better} Qxe4 22. Nb6 Rxc2 23. Qxe4 Nxe4 24.
Nxa8 Nxd2 25. Nxd2 Rxd2 26. Rxa6 $15) 21... Qxe4 $19 22. Nc3 (22. Re1 {does
not save the day} Qxd3 23. cxd3 Nxd5 $19) 22... Qxd3 23. cxd3 Nc5 (23... b4
$142 $5 {and Black can already relax} 24. Rb3 bxc3 25. Rxb7 Nxd5 26. Bc1 $19)
24. Na2 Nxd5 25. Re1 (25. Rb1 {doesn't change the outcome of the game} Na4 $19)
25... Bf6 (25... a5 {seems even better} 26. Bxa5 Nf4 27. Nc1 $19) 26. Ba5 (26.
Nb4 {cannot change what is in store for White} Nb6 27. Nc2 Nxd3 28. Rxd3 Rxc2
29. Rxd6 Nc4 $19) 26... Ne6 (26... e4 $142 {keeps an even firmer grip} 27. d4
exf3 28. dxc5 dxc5 29. Rd1 $19) 27. Nc1 (27. Nb4 {doesn't get the bull off the
ice} Rc3 28. Rxc3 Nxc3 $19) 27... Rc6 (27... b4 {makes it even easier for Black
} 28. Ra2 $19) 28. Ne2 (28. Na2 {is not much help} Nef4 $19) 28... Rac8 (28...
b4 {might be the shorter path} 29. Raa1 $19) 29. Ng3 (29. Bd2 {a fruitless try
to alter the course of the game} b4 30. Ra5 Nc5 $19) 29... Nd4 (29... b4 $142 {
and Black has triumphed} 30. Raa1 $19) 30. Nxd4 exd4 31. Nf5 (31. Bd2 {does
not help much} Be5 $19) 31... Kh7 (31... b4 {keeps an even firmer grip} 32. Ra4
b3 33. Rc4 Rxc4 34. dxc4 Rxc4 35. Nxd6 $19) 32. g4 (32. Bd2 {is not the saving
move} g6 33. Nxh6 Rc2 34. Rxa6 Rxd2 35. Nxf7 Nb4 36. Rxd6 Nxd3 $19) 32... g6
33. Ng3 Be5 34. Ne4 (34. Ne2 {is no salvation} Rc2 $19) 34... Nf4 (34... f5 {
and Black can already relax} 35. gxf5 gxf5 36. Nd2 $19) 35. h4 (35. Bd2 {
doesn't do any good} d5 36. Ng5+ hxg5 37. Rxe5 Nxh3+ 38. Kg2 Rc3 39. Rxa6 Rxd3
$19) 35... Rc1 36. Kf1 Rxe1+ 37. Kxe1 Ng2+ (37... d5 {might be the shorter path
} 38. Ng3 $19) 38. Kd2 (38. Kf1 {cannot undo what has already been done} Nxh4
39. Bb4 Rc6 $19) 38... Nxh4 (38... d5 {seems even better} 39. Ng3 Bf4+ 40. Ke2
Rc2+ 41. Kf1 $19) 39. Bb4 Rc6 40. Ba5 (40. Ke2 {does not solve anything} f5 41.
gxf5 Nxf5 $19) 40... g5 (40... d5 {makes it even easier for Black} 41. Ng3 $19)
41. Ra1 (41. Bb4 {doesn't change anything anymore} Kg6 $19) 41... Kg7 (41... d5
{keeps an even firmer grip} 42. Ng3 $19) 42. Bd8 (42. Bb4 {doesn't get the cat
off the tree} Kg6 $19) 42... d5 43. Ng3 Bxg3 44. fxg3 Nf3+ 45. Ke2 Ne5 46. Kd2
(46. Ba5 {hardly improves anything} Nxg4 47. Bd2 Ne5 $19) 46... Nxg4 47. Re1
Re6 48. Rc1 Nh2 49. Rc5 Nf3+ (49... Nf1+ {seems even better} 50. Kc2 Nxg3 51.
Rxd5 $19) 50. Kd1 (50. Kc2 {doesn't improve anything} h5 51. Rxd5 Kg6 $19)
50... Re3 51. Kc2 (51. Rxd5 {does not improve anything} Rxd3+ 52. Kc2 Rd2+ 53.
Kb1 d3 $19) 51... Ne1+ 52. Kd2 Nxd3 53. Rxd5 Nb4 (53... Ne5 {makes it even
easier for Black} 54. Rxd4 Rxg3 55. Bc7 Nc4+ 56. Kc2 Rg2+ 57. Kc3 $19) 54. Rd6
(54. Rxd4 {cannot change destiny} Re6 55. Bc7 Nc6 $19) 54... Rxg3 55. Bf6+ Kh7
56. Be7 (56. Bxd4 {does not solve anything} Rd3+ 57. Ke2 g4 $19) 56... Rg2+ 57.
Ke1 (57. Kd1 {is not much help} Nc2 58. Kc1 g4 $19) 57... Nc2+ 58. Kd1 Ne3+ 59.
Kc1 (59. Ke1 {doesn't get the cat off the tree} b4 60. Rxd4 b3 $19) 59... Nf5 (
59... Rg1+ $142 $5 {and Black can already relax} 60. Kd2 Nc4+ 61. Kd3 Nxd6 62.
Bxd6 $19) 60. Rf6 Nxe7 61. Rxf7+ Kg6 62. Rxe7 Kf5 63. Rd7 Ke4 64. Re7+ Kd3 65.
Re6 a5 66. Rxh6 a4 67. Ra6 (67. Rh7 {a fruitless try to alter the course of
the game} Kc3 68. Rc7+ Kb3 69. Rf7 b4 70. Rf3+ Kc4 71. Rf7 a3 72. Kd1 a2 73.
Ra7 b3 74. Ke1 b2 75. Kf1 Rd2 76. Ra4+ Kb3 77. Ke1 Rc2 78. Rxd4 b1=R+ 79. Rd1
a1=Q 80. Rxb1+ Qxb1#) 67... Kc3 68. Rc6+ Kb3 69. Rf6 Rc2+ 70. Kb1 (70. Kd1 {
doesn't change anything anymore} a3 71. Rf3+ Rc3 72. Rf1 a2 73. Ke2 Kb2 74. Rf7
a1=Q 75. Rf1 Rc2+ 76. Kf3 Qxf1+ 77. Ke4 Qf6 78. Kd5 Qe7 79. Kxd4 Rd2#) 70... a3
71. Rf3+ Rc3 72. Rf1 (72. Rf2 {doesn't improve anything} d3 73. Rd2 b4 74. Rb2+
Kc4 75. Rg2 Rc2 76. Rxc2+ dxc2+ 77. Kxc2 b3+ 78. Kd2 b2 79. Ke2 b1=Q 80. Kf3
Qf5+ 81. Ke2 a2 82. Ke3 Qf1 83. Kd2 a1=Q 84. Ke3 Qd4#) 72... d3 (72... a2+ 73.
Ka1 d3 74. Rd1 d2 75. Rf1 Rc1+ 76. Rxc1 dxc1=Q#) 73. Ka1 (73. Rf2 {does not
improve anything} Rc2 74. Rxc2 dxc2+ 75. Kc1 a2 76. Kd2 a1=Q 77. Ke3 c1=Q+ 78.
Ke4 Qc6+ 79. Kf5 Qaf6+ 80. Kg4 Qcf3#) 73... d2 (73... a2 74. Re1 d2 75. Rf1
Rc1+ 76. Rxc1 dxc1=Q#) 74. Rb1+ Kc2 75. Ka2 (75. Rxb5 {is no salvation} d1=Q+
76. Ka2 g4 77. Rb8 Qd5+ 78. Ka1 Qb3 79. Rxb3 Kxb3 80. Kb1 g3 81. Ka1 Rc1#)
75... d1=Q 76. Rb2+ (76. Rxb5 {is not the saving move} g4 77. Rb6 Qd5+ 78. Ka1
Qd4 79. Rb1 Rb3+ 80. Ka2 Rxb1 81. Kxa3 Ra1#) 76... Kd3 77. Rb1 (77. Rxb5 {
does not save the day} Qe2+ 78. Kb1 Rc1+ 79. Kxc1 Qc2#) 77... Qxb1+ $1 {
Decoy: a1} (77... Qxb1+ 78. Kxb1 Rc2 79. Ka1 Rc1+ 80. Ka2 Kc3 81. Kxa3 Ra1#)
0-1

