[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.16"]
[Round "1.1"]
[White "Yoshii, Yukihiko"]
[Black "Takeuchi, Hiroshi"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1708"]
[BlackElo "1407"]
[PlyCount "59"]
[SourceVersionDate "2023.09.05"]

1. c4 d6 2. d4 Nf6 3. Nc3 g6 4. e4 Bg7 5. Nf3 O-O 6. Be2 Nbd7 7. O-O c5 8. h3
cxd4 9. Nxd4 Nc5 10. Bf3 a5 11. Be3 Bd7 12. Rc1 Rc8 13. b3 b6 14. Re1 Rb8 15.
Qc2 Qc8 16. Kh2 Ne8 17. Red1 f5 18. exf5 gxf5 19. Nd5 Bf6 20. Bh6 Ng7 21. Qe2
e6 22. Nxf6+ Rxf6 23. Qe3 e5 24. Bxg7 Kxg7 25. Qg5+ Rg6 26. Qe7+ Kh6 27. Nb5
Bxb5 28. Rxd6 Be8 29. h4 Rxd6 30. Qg5# 1-0

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.16"]
[Round "1.2"]
[White "Nakamura, Mitsuru"]
[Black "Kawamura, Takuto"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1406"]
[BlackElo "1576"]
[PlyCount "86"]
[SourceVersionDate "2023.09.05"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Qc7 6. Nc3 a6 7. a3 Nf6 8. Be2
Be7 9. O-O O-O 10. h3 b5 11. Re1 Bb7 12. Bf1 Rac8 13. Rc1 Rfd8 14. Qe2 Na5 15.
Qd2 Bxa3 16. Bf4 Qc5 17. Nd1 e5 18. Bxe5 Bb4 19. c3 Qxe5 20. cxb4 Rxc1 21. Qxc1
Qxd4 22. bxa5 Rc8 23. Qf4 Qb4 24. Nc3 Qxb2 25. Nd5 Bxd5 26. exd5 Qc3 27. Re3
Qxa5 28. Rg3 Nh5 29. Rxg7+ Nxg7 30. Qg5 Qd8 31. Qg4 Rc5 32. d6 a5 33. h4 Kh8
34. Qf3 Rf5 35. Qh3 Rh5 36. g3 Ne6 37. Qg4 Rc5 38. h5 Qg5 39. Qf3 Kg7 40. g4
Qd5 41. Qg3 b4 42. Bd3 Rc1+ 43. Kh2 Qh1# 0-1

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.16"]
[Round "1.3"]
[White "Nishimori, Toshiyuki"]
[Black "Ito, Katsuhide"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1565"]
[BlackElo "1203"]
[PlyCount "57"]
[SourceVersionDate "2023.09.05"]

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. c3 f4 14. Nc2 Rb8
15. O-O O-O 16. a4 bxa4 17. Rxa4 Rxb2 18. Rxa6 Qb8 19. Rxc6 f5 20. Ne7+ Kh8 21.
Ng6+ Kg8 22. Nxf8 Qxf8 23. Nb4 Bf7 24. Qxf5 Qe8 25. Rc8 Bg6 26. Rxe8+ Bxe8 27.
Nd5 Bf7 28. Bc4 Rb7 29. Qc8+ 1-0

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.16"]
[Round "2.1"]
[White "Kawamura, Takuto"]
[Black "Yoshii, Yukihiko"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "1576"]
[BlackElo "1708"]
[PlyCount "83"]
[SourceVersionDate "2023.09.05"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 Nbd7 6. Nbd2 h6 7. Qc2 O-O 8. O-O
Re8 9. Re1 c6 10. b3 Bd6 11. Bb2 a5 12. Ne5 Nf8 13. e4 Bb4 14. Bc3 Bxc3 15.
Qxc3 dxe4 16. Nxe4 Nxe4 17. Bxe4 Qc7 18. Qf3 Rd8 19. Rad1 Rb8 20. c5 f6 21. Nc4
Bd7 22. h4 Be8 23. Bd3 Bf7 24. Nd6 Rd7 25. Re3 b5 26. Be4 Rb6 27. Nxf7 Ra6 28.
Nd6 Rxd6 29. cxd6 Qxd6 30. Rc3 Qa3 31. Bxc6 Qxa2 32. Bxb5 Rb6 33. Bc4 Qb2 34.
Re3 Qc2 35. Qe2 Qf5 36. g4 Qf4 37. Re4 Qd6 38. Ra1 Kf7 39. Rxa5 Ng6 40. Ra7+
Ne7 41. Kg2 Kg6 42. Rxe6 1-0

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.16"]
[Round "2.2"]
[White "Takeuchi, Hiroshi"]
[Black "Nishimori, Toshiyuki"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1407"]
[BlackElo "1565"]
[PlyCount "49"]
[SourceVersionDate "2023.09.05"]

1. d4 e5 2. e3 d5 3. Nc3 exd4 4. exd4 Nc6 5. Nf3 Bg4 6. h3 Bh5 7. Be2 Nf6 8.
Bf4 Bd6 9. Bg3 O-O 10. O-O Ne7 11. Ne5 Bxe2 12. Qxe2 Re8 13. Qd3 c6 14. a3 a6
15. Rfe1 Nd7 16. Qf3 f6 17. Nxd7 Qxd7 18. Ne2 Ng6 19. Bxd6 Qxd6 20. Ng3 Nh4 21.
Qg4 Ng6 22. h4 Re7 23. h5 Nf8 24. Nf5 Rxe1+ 25. Rxe1 1-0

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.16"]
[Round "2.3"]
[White "Ito, Katsuhide"]
[Black "Nakamura, Mitsuru"]
[Result "0-1"]
[ECO "C97"]
[WhiteElo "1203"]
[BlackElo "1406"]
[PlyCount "80"]
[SourceVersionDate "2023.09.05"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. h3
O-O 9. c3 Na5 10. Bc2 c5 11. d4 Qc7 12. b3 Bd7 13. Bb2 Rfe8 14. Nbd2 h6 15. Nf1
Nb7 16. Ng3 a5 17. a4 bxa4 18. bxa4 Rab8 19. Bd3 Nd8 20. Qc2 c4 21. Bf1 Ne6 22.
Ba3 Nf4 23. Nf5 Bxf5 24. exf5 Bf8 25. Qa2 Rbc8 26. Nd2 Nd3 27. Re3 e4 28. Rb1
Nd5 29. Rxe4 Nxc3 30. Rxe8 Rxe8 31. Qc2 Nxb1 32. Qxb1 Re1 33. Qb5 d5 34. Bxf8
Kxf8 35. Qxd5 c3 36. Nf3 c2 37. Nxe1 Nxe1 38. Qc5+ Qxc5 39. dxc5 c1=Q 40. Kh2
Qxc5 0-1

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.16"]
[Round "3.1"]
[White "Nishimori, Toshiyuki"]
[Black "Kawamura, Takuto"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "1565"]
[BlackElo "1576"]
[PlyCount "167"]
[SourceVersionDate "2023.09.05"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8.
O-O Bb4 9. Nxc6 Bxc3 10. bxc3 bxc6 11. Bf3 d6 12. Rb1 Rb8 13. Rb3 O-O 14. Qb1
Rb5 15. a4 Rxb3 16. Qxb3 e5 17. Bb6 Qb7 18. a5 Be6 19. Qa4 c5 20. Re1 Bd7 21.
Qb3 Bc6 22. Qc4 Rc8 23. h3 Nd7 24. Rb1 Nf6 25. Re1 Bb5 26. Qb3 Rb8 27. c4 Bc6
28. Qd3 Qe7 29. Rb1 Rb7 30. c3 g6 31. Rd1 Rd7 32. Qe2 h5 33. g4 hxg4 34. hxg4
Nh7 35. Kg2 Kg7 36. Rh1 Ng5 37. Kg3 Qf6 38. Qe3 Rb7 39. Rb1 Rb8 40. Rh1 Bd7 41.
Be2 Bc6 42. f3 Re8 43. Bd3 Bd7 44. Be2 Bc6 45. Qd2 Bxe4 46. Qe3 Bc6 47. Bc7 Re6
48. Rf1 Qe7 49. Bb6 Qf6 50. Bc7 Kf8 51. Rb1 Qe7 52. Rb8+ Kg7 53. Bd8 Qa7 54.
Rb6 Nxf3 55. Bxf3 Bxf3 56. Qxf3 Qd7 57. Rb7 e4 58. Rxd7 exf3 59. Kxf3 Kf8 60.
Rb7 f5 61. g5 Re4 62. Bf6 Rxc4 63. Rg7 Ra4 64. Rxg6 Rxa5 65. Bg7+ Ke7 66. Bf6+
Kd7 67. Rg8 Rb5 68. g6 Ke6 69. Bh8 Rb3 70. Re8+ Kd7 71. Re3 Rb8 72. Bf6 d5 73.
g7 Rg8 74. Re7+ Kd6 75. Re5 a5 76. Rxf5 Ke6 77. Kf4 a4 78. Kg5 a3 79. Re5+ Kd6
80. Re2 Kc6 81. Ra2 Ra8 82. Kg6 Kb5 83. Kf7 Kc4 84. Rxa3 1-0

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.16"]
[Round "3.2"]
[White "Nakamura, Mitsuru"]
[Black "Takeuchi, Hiroshi"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1406"]
[BlackElo "1407"]
[PlyCount "85"]
[SourceVersionDate "2023.09.05"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Nbd7 7. h3 c5 8. Be3
b6 9. Bd3 Bb7 10. Qe2 a6 11. Qd2 b5 12. a3 c4 13. Be2 Nxe4 14. Nxe4 Bxe4 15.
Bh6 Nf6 16. Bxg7 Kxg7 17. c3 Qd7 18. Ng5 Bb7 19. Rae1 h6 20. Nf3 Rae8 21. Nh2
Ne4 22. Qe3 f5 23. f3 Ng3 24. Rf2 f4 25. Qd2 Rf5 26. Bd1 Ref8 27. Bc2 Rg5 28.
Ng4 h5 29. Nh2 Nf5 30. Qxf4 Nxd4 31. Qxd4+ e5 32. Qd2 Rg3 33. Rxe5 Qxh3 34.
Re7+ Rf7 35. Rxf7+ Kxf7 36. Qf4+ Ke6 37. Re2+ Kd7 38. Be4 Bxe4 39. Qxe4 Kc7 40.
Nf1 Kb6 41. Nxg3 Qxg3 42. Qd4+ Ka5 43. b3 1-0

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.16"]
[Round "3.3"]
[White "Yoshii, Yukihiko"]
[Black "Ito, Katsuhide"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1708"]
[BlackElo "1203"]
[PlyCount "67"]
[SourceVersionDate "2023.09.05"]

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 9. exd4 Qc7 10. b3 Bf5 11. Nh4 Bd7 12. Bb2 d5 13. Nxd5 Nxd5 14. Bxd5 Rad8
15. Qd2 Bh3 16. Rfd1 e6 17. Bxc6 Qxc6 18. Qe3 Bf6 19. Nf3 Bg5 20. d5 Bxe3 21.
dxc6 Bb6 22. cxb7 Rb8 23. Rd7 f6 24. Rad1 e5 25. R7d2 Rxb7 26. Ba3 Re8 27. c5
Ba5 28. Rd6 Bg4 29. Rxf6 e4 30. c6 Rf7 31. Rxf7 exf3 32. Rxa7 Re1+ 33. Rxe1
Bxe1 34. c7 1-0

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.17"]
[Round "4.1"]
[White "Nishimori, Toshiyuki"]
[Black "Yoshii, Yukihiko"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1565"]
[BlackElo "1708"]
[PlyCount "67"]
[SourceVersionDate "2023.09.05"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 d6 5. h3 Be7 6. d4 exd4 7. Nxd4 Bd7 8.
O-O O-O 9. a3 a6 10. Be3 Ne5 11. Ba2 b5 12. b4 h6 13. f3 Qc8 14. Nd5 Nxd5 15.
Bxd5 c6 16. Ba2 Qc7 17. Qe2 Bf6 18. Rad1 Rad8 19. f4 Ng6 20. f5 Ne5 21. Nf3 c5
22. Qf2 Nxf3+ 23. gxf3 Rc8 24. Kh1 c4 25. Rg1 Kh7 26. Bd4 Be5 27. f4 Bc6 28.
fxe5 Bxe4+ 29. Kh2 dxe5 30. Qg3 f6 31. Qg6+ Kh8 32. Bc5 Rfe8 33. Rd6 Rcd8 34.
Bb6 1-0

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.17"]
[Round "4.2"]
[White "Kawamura, Takuto"]
[Black "Nakamura, Mitsuru"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1576"]
[BlackElo "1406"]
[PlyCount "67"]
[SourceVersionDate "2023.09.05"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 e6 5. Bd3 dxc4 6. Bxc4 b5 7. Bd3 Bd6 8. O-O
Qc7 9. Qc2 Bb7 10. Nbd2 Nbd7 11. b3 Rc8 12. Bb2 O-O 13. Rac1 Qb8 14. h3 h6 15.
Rfd1 Rfd8 16. Bc3 b4 17. Bb2 c5 18. Qb1 Bxf3 19. Nxf3 a5 20. Nd2 e5 21. Nc4
exd4 22. exd4 Bf4 23. Rc2 Qa7 24. g3 Bb8 25. h4 Kh8 26. Bf5 Rc6 27. dxc5 Bxg3
28. fxg3 Qxc5+ 29. Rf2 Re8 30. Bxd7 Re2 31. Bd4 Qh5 32. Bxc6 Qg4 33. Qd3 Nh5
34. Rxe2 1-0

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.17"]
[Round "4.3"]
[White "Takeuchi, Hiroshi"]
[Black "Ito, Katsuhide"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1407"]
[BlackElo "1203"]
[PlyCount "53"]
[SourceVersionDate "2023.09.05"]

1. d4 d5 2. Bf4 Nc6 3. Nf3 Bf5 4. e3 f6 5. c3 Qd7 6. Nbd2 a6 7. Be2 g5 8. Bg3
Nh6 9. Qb3 O-O-O 10. c4 Na5 11. Qb4 Nc6 12. Qc3 Nf7 13. cxd5 Na7 14. e4 Bg6 15.
Rc1 Nd6 16. Bd3 Nab5 17. Qb4 e6 18. Qb3 g4 19. dxe6 Qe7 20. Bxb5 Nxb5 21. Nh4
Rxd4 22. Nxg6 hxg6 23. a4 Rb4 24. Qd5 Nd6 25. b3 Bg7 26. Bxd6 Qxd6 27. Qxd6 1-0

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.17"]
[Round "5.1"]
[White "Kawamura, Takuto"]
[Black "Nishimori, Toshiyuki"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1576"]
[BlackElo "1565"]
[PlyCount "53"]
[SourceVersionDate "2023.09.05"]

1. d4 e5 2. dxe5 d6 3. exd6 Bxd6 4. Nf3 Nc6 5. e3 Nf6 6. Nc3 Bg4 7. Be2 O-O 8.
O-O Qe7 9. h3 Bf5 10. Nd4 Rad8 11. Nxf5 Qe5 12. Nxd6 Rxd6 13. Qe1 Rfd8 14. a3
h5 15. Bd3 g5 16. Bd2 g4 17. f4 gxf3 18. Rxf3 Kh8 19. Qh4 Rg8 20. Raf1 Nh7 21.
Rxf7 Rh6 22. Ne4 Qe6 23. Nc5 Qd5 24. Rxh7+ Rxh7 25. Bc3+ Ne5 26. Qf6+ Rhg7 27.
Qh6+ 1-0

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.17"]
[Round "5.2"]
[White "Takeuchi, Hiroshi"]
[Black "Yoshii, Yukihiko"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1407"]
[BlackElo "1708"]
[PlyCount "104"]
[SourceVersionDate "2023.09.05"]

1. d4 Nf6 2. Bf4 d6 3. e3 g6 4. Nf3 Bg7 5. Bd3 O-O 6. O-O Nbd7 7. c3 Re8 8. h3
e5 9. Bc4 exf4 10. exf4 Nb6 11. Bb3 h6 12. Nbd2 Nh5 13. f5 Bxf5 14. g4 Bxg4 15.
hxg4 Nf4 16. Qc2 Qd7 17. Nh2 Kh8 18. Ne4 d5 19. Ng3 Re7 20. Qd2 Qd6 21. Rae1
Rae8 22. Rxe7 Rxe7 23. Re1 Rxe1+ 24. Qxe1 Qe6 25. Qxe6 fxe6 26. Nf3 Bf6 27. Kf1
Kg7 28. Ne5 Bxe5 29. dxe5 Nd3 30. f3 Nxe5 31. Ke2 c5 32. Nf1 c4 33. Bc2 Nbd7
34. Nd2 Nc5 35. b3 b5 36. b4 Ncd3 37. a4 a6 38. Nf1 Kf6 39. axb5 axb5 40. Ng3
Kg5 41. Ke3 Kh4 42. Ne2 Ne1 43. f4 Nxc2+ 44. Kd2 Nf3+ 45. Kxc2 Kxg4 46. Kd1 Kh3
47. Nc1 Kg2 48. Ke2 h5 49. Ke3 h4 50. Ne2 h3 51. Nd4 Nxd4 52. Kxd4 h2 0-1

[Event "SapporoSummer2023"]
[Site "?"]
[Date "2023.07.17"]
[Round "5.3"]
[White "Nakamura, Mitsuru"]
[Black "Ito, Katsuhide"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "1406"]
[BlackElo "1203"]
[PlyCount "59"]
[SourceVersionDate "2023.09.05"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 a5 6. g3 Nge7 7. Bg2 Ng6 8. Bf4
Bg4 9. Qb3 Rb8 10. Nbd2 Nxf4 11. gxf4 Be7 12. O-O O-O 13. Rfe1 Kh8 14. Rad1 f6
15. h3 Bxf3 16. Nxf3 fxe5 17. fxe5 Bc5 18. e3 Qe7 19. exd4 Nxd4 20. Nxd4 Qh4
21. Qg3 Qh6 22. Re2 Rf4 23. Re4 Rbf8 24. Rxf4 Rxf4 25. Nf3 g6 26. e6 Bd6 27.
Rxd6 cxd6 28. Ng5 Qg7 29. Qxf4 Qxb2 30. Qf8# 1-0

