[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "1.1"]
[White "Sugimoto, Koichi"]
[Black "Matsumoto, Kenshin"]
[Result "1-0"]
[ECO "D66"]
[WhiteElo "1959"]
[BlackElo "1413"]
[PlyCount "37"]
[SourceDate "2023.03.26"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 Nbd7 6. e3 O-O 7. Rc1 c6 8. Bd3
c5 9. cxd5 exd5 10. O-O a6 11. Ne5 cxd4 12. exd4 Nxe5 13. dxe5 Nd7 14. Bxe7
Qxe7 15. Nxd5 Qxe5 16. Re1 Qxb2 17. Bxh7+ Kh8 18. Qh5 Nf6 19. Nxf6 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "1.2"]
[White "Nakamura, Mitsuru"]
[Black "Akai, Kiyotaka"]
[Result "0-1"]
[ECO "C80"]
[WhiteElo "1413"]
[BlackElo "1705"]
[PlyCount "82"]
[SourceDate "2023.03.26"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. Nxe5
Nxe5 9. dxe5 Be6 10. Nd2 Nxd2 11. Bxd2 c5 12. c3 Be7 13. Qf3 O-O 14. Rad1 d4
15. Bxe6 fxe6 16. Qe4 d3 17. Qc6 Qd5 18. Qxd5 exd5 19. Be3 c4 20. Bd4 Kf7 21.
f4 Ke6 22. g4 g6 23. Kg2 Rf7 24. Rf3 Raf8 25. Be3 b4 26. Kf2 bxc3 27. bxc3 Rb8
28. Kg3 h5 29. gxh5 gxh5 30. h4 Kf5 31. Kh3 Rg7 32. Rg3 Rxg3+ 33. Kxg3 Rg8+ 34.
Kh3 Rg4 35. Rb1 Rxh4+ 36. Kg3 Rg4+ 37. Kf3 h4 38. Rb7 Rg3+ 39. Kf2 Ke4 40. Bd2
Bc5+ 41. Kf1 Rg1# 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "1.3"]
[White "Kanda, Daigo"]
[Black "KiharaK, Kotaro"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1705"]
[BlackElo "1351"]
[PlyCount "51"]
[SourceDate "2023.03.26"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h4 d5 5. Be2 h5 6. Nc3 c6 7. Nf3 Bf5 8. Ne5
Nbd7 9. f3 Bh6 10. Bxh6 Rxh6 11. Qd2 Rh7 12. O-O-O Nxe5 13. dxe5 Nd7 14. e4
dxe4 15. fxe4 Bg4 16. Bxg4 hxg4 17. e6 Nc5 18. exf7+ Rxf7 19. Qg5 Qc7 20. Qxc5
Rd8 21. Rxd8+ Kxd8 22. Rd1+ Ke8 23. e5 b6 24. Qd4 c5 25. Qd5 Qc8 26. Ne4 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "1.4"]
[White "Al Jabarat, Thamer"]
[Black "Yoshii, Yukihiko"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1309"]
[BlackElo "1699"]
[PlyCount "92"]
[SourceDate "2023.03.26"]

1. d4 d5 2. e3 Nf6 3. Nc3 e6 4. Bd3 Be7 5. Nf3 h6 6. Bd2 a6 7. a3 Nc6 8. h3 Bd7
9. Qe2 b5 10. b4 O-O 11. O-O Bd6 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Rb8 15. Be3
Ne7 16. c3 c6 17. Bc2 Nd5 18. Bd2 Qc7 19. Rfe1 Rfe8 20. Qd3 f5 21. Bb3 Nf6 22.
Nh4 Kh7 23. f3 Bg3 24. Bxe6 Bxh4 25. Bxf5+ Bxf5 26. Qxf5+ g6 27. Qd3 Bxe1 28.
Bxe1 Re6 29. Bh4 Nd5 30. Qc2 Rbe8 31. Rf1 Re2 32. Qc1 Nf4 33. g3 Nxh3+ 34. Kh1
Nf2+ 35. Kg1 Nd3 36. Qd1 R8e3 37. f4 Qd7 38. f5 g5 39. Rf3 Re1+ 40. Qxe1 Rxe1+
41. Kg2 Qd5 42. g4 gxh4 43. f6 Re2+ 44. Kg1 Qxf3 45. g5 Re1+ 46. Kh2 Qh1# 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "1.5"]
[White "Kawamura, Takuto"]
[Black "Ito, Katsuhide"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "1554"]
[BlackElo "1233"]
[PlyCount "71"]
[SourceDate "2023.03.26"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Bb4 6. a3 Bxd2+ 7. Bxd2 Nge7 8.
g3 Ng6 9. Bg2 Ncxe5 10. O-O Nxf3+ 11. Bxf3 O-O 12. Rc1 c5 13. Qc2 Re8 14. Rcd1
Rb8 15. Rfe1 Ne5 16. Bg2 g6 17. Bf4 g5 18. Bxe5 Rxe5 19. Qd2 Bf5 20. e3 Bg4 21.
exd4 Rxe1+ 22. Rxe1 Qf6 23. Re5 h6 24. Rxc5 Re8 25. Re5 Re7 26. Qe3 Be6 27. d5
Kf8 28. dxe6 Rxe6 29. Rxe6 Qxe6 30. Qxe6 fxe6 31. Bxb7 Ke7 32. Kf1 Kd6 33. Ke2
Kc5 34. Kd3 Kb6 35. Bc8 Ka5 36. Bxe6 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "1.6"]
[White "Furuse, Mizuki"]
[Black "Takeuchi, Hiroshi"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "922"]
[BlackElo "1418"]
[PlyCount "43"]
[SourceDate "2023.03.26"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. Be3 O-O 6. Qd2 a6 7. Bh6 e5 8. Bxg7
Kxg7 9. Nf3 exd4 10. Qxd4 Nc6 11. Qd2 Re8 12. Bd3 Nb4 13. O-O Nxd3 14. cxd3 Bd7
15. Rfe1 Bc6 16. Rac1 Qd7 17. Qe3 h6 18. d4 Nxe4 19. d5 Bxd5 20. Nxd5 f5 21.
Rxc7 Qxc7 22. Nxc7 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "2.1"]
[White "Yoshii, Yukihiko"]
[Black "Sugimoto, Koichi"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1699"]
[BlackElo "1959"]
[PlyCount "74"]
[SourceDate "2023.03.26"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bb4 5. d3 O-O 6. e3 Re8 7. Nge2 b6 8. a3
Bf8 9. b4 Bb7 10. b5 Na5 11. e4 h6 12. O-O Bc5 13. h3 c6 14. a4 a6 15. Bd2 d6
16. bxc6 Nxc6 17. Nd5 Nxd5 18. cxd5 Nb4 19. Qb3 a5 20. Bxb4 Bxb4 21. Rac1 Qd7
22. d4 Ba6 23. Rc2 exd4 24. Nf4 Bxf1 25. Bxf1 Rxe4 26. Bb5 Re1+ 27. Kg2 Qf5 28.
Bd3 Qd7 29. Bb5 Qe7 30. Bd3 Rb8 31. Bf5 g6 32. Bg4 h5 33. Bf3 Ra1 34. Re2 Qd7
35. Qb2 Bc3 36. Qc2 Qxa4 37. Qe4 Qd1 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "2.2"]
[White "Akai, Kiyotaka"]
[Black "Kawamura, Takuto"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1705"]
[BlackElo "1554"]
[PlyCount "71"]
[SourceDate "2023.03.26"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 Bxc3+ 6. bxc3 d6 7. Bd3 e5 8.
Ne2 h6 9. O-O Nc6 10. f4 b6 11. fxe5 dxe5 12. Ba3 Re8 13. d5 Na5 14. c5 Nb7 15.
Bb5 Rf8 16. Bc6 bxc5 17. Rab1 Rb8 18. Bxb7 Bxb7 19. Bxc5 Ba6 20. Bxf8 Rxb1 21.
Rxb1 Qxf8 22. Ng3 Qc5+ 23. Qf2 Qxc3 24. h3 Kf8 25. Rb8+ Ke7 26. Nf5+ Kd7 27.
Ng3 Qd4 28. Qxd4 exd4 29. Rb4 d3 30. Kf2 g6 31. Ke3 Kd6 32. Ra4 Bb5 33. Rxa7
Nd7 34. Ra5 Bc4 35. Ra8 Ne5 36. Ra5 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "2.3"]
[White "Furuse, Mizuki"]
[Black "Kanda, Daigo"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "922"]
[BlackElo "1705"]
[PlyCount "144"]
[SourceDate "2023.03.26"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Nf3 O-O 8.
Be2 Re8 9. O-O Nd7 10. Re1 Nf8 11. Be3 Be6 12. Qc2 Qd7 13. Rad1 Rad8 14. Bd3
Bb8 15. c4 Qc7 16. Bf5 Qa5 17. Bxe6 fxe6 18. Bd2 Qh5 19. Qb3 Qf7 20. Bc3 Ng6
21. d5 e5 22. dxc6 bxc6 23. Rxd8 Rxd8 24. Ba5 Re8 25. Rd1 Qe7 26. c5+ Kh8 27.
Rc1 Nf4 28. Kf1 h5 29. Qc4 e4 30. Re1 Nd3 31. Re2 Qxc5 32. Qxc5 Nxc5 33. Nd2 f5
34. f3 Bf4 35. Ke1 Nd3+ 36. Kf1 Nc1 37. Re1 Nd3 38. Re2 Nxb2 39. fxe4 Bxd2 40.
Bxd2 Rxe4 41. Rxe4 fxe4 42. Ke2 Nc4 43. Be3 a6 44. Bd4 Kg8 45. Kd1 Kf7 46. Kc2
g6 47. Kc3 Nd6 48. Kb4 Nb7 49. Kc3 Ke6 50. Kd2 Kd5 51. Ke3 Nd6 52. Bc3 Nf5+ 53.
Kd2 Kc4 54. Bf6 a5 55. Ke2 a4 56. Kd2 c5 57. Kc2 Ne3+ 58. Kd2 Nxg2 59. Bc3 g5
60. Bf6 g4 61. Bg5 e3+ 62. Bxe3 Nxe3 63. Kxe3 Kc3 64. Kf4 Kd3 65. Kg5 c4 66.
Kxh5 c3 67. Kxg4 c2 68. h4 c1=Q 69. h5 Ke4 70. a3 Qg1+ 71. Kh4 Kf4 72. Kh3 Qg3#
0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "2.4"]
[White "Takeuchi, Hiroshi"]
[Black "Nishimori, Toshiyuki"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1418"]
[BlackElo "1585"]
[PlyCount "53"]
[SourceDate "2023.03.26"]

1. d4 f5 2. Bf4 e6 3. Nf3 Nf6 4. e3 Bb4+ 5. c3 Be7 6. Bd3 O-O 7. h3 d6 8. O-O
b6 9. Nbd2 Bb7 10. Re1 Nbd7 11. Bh2 Qe8 12. e4 Qg6 13. exf5 Bxf3 14. Nxf3 Qh5
15. Rxe6 Rfe8 16. Qc2 Nf8 17. Re2 Kh8 18. Rae1 Ng8 19. Bb5 Red8 20. Rxe7 Nxe7
21. Rxe7 c5 22. Qe4 d5 23. Qe5 Qh6 24. Qe1 cxd4 25. Nxd4 Rac8 26. Be5 Qg5 27.
Rxg7 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "2.5"]
[White "Matsumoto, Kenshin"]
[Black "Al Jabarat, Thamer"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "1413"]
[BlackElo "1309"]
[PlyCount "62"]
[SourceDate "2023.03.26"]

1. d4 e6 2. c4 c5 3. d5 Nf6 4. Nc3 Bd6 5. Nb5 Bc7 6. Nxc7+ Qxc7 7. dxe6 fxe6 8.
Nf3 O-O 9. g3 Nc6 10. a3 d5 11. cxd5 exd5 12. Bg2 Bg4 13. O-O Rad8 14. Qc2 b6
15. Bf4 Qd7 16. Rfd1 Bh3 17. Ne5 Nxe5 18. Bxe5 Bxg2 19. Kxg2 Ne4 20. f3 Ng5 21.
g4 Rde8 22. Bc3 d4 23. Qb3+ Kh8 24. Be1 Rxe2+ 25. Kg3 Rxf3+ 26. Qxf3 Nxf3 27.
Kxf3 Rxb2 28. h3 h6 29. Bg3 d3 30. Be5 Rb3 31. Kg2 Qd5+ 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "2.6"]
[White "Kihara, Kotaro"]
[Black "Ito, Katsuhide"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "1351"]
[BlackElo "1233"]
[PlyCount "89"]
[SourceDate "2023.03.26"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Bg5 Bb4+ 6. Nbd2 Be7 7. Bxe7 Qxe7 8.
a3 Bf5 9. Nb3 O-O-O 10. g3 Be4 11. Bg2 d3 12. O-O Nxe5 13. Nxe5 Qxe5 14. Bxe4
Qxe4 15. exd3 Rxd3 16. Nc5 Rxd1 17. Nxe4 Rd4 18. Ng5 Nh6 19. Rac1 Re8 20. Rfd1
Nf5 21. Rxd4 Nxd4 22. Rd1 c5 23. Nxf7 Rf8 24. Nd6+ Kc7 25. Nb5+ Nxb5 26. cxb5
a6 27. bxa6 bxa6 28. Kf1 Rb8 29. Rd2 c4 30. Rc2 Kd6 31. Ke2 Kd5 32. Kd2 Rb3 33.
Kc1 Kd4 34. Rd2+ Kc5 35. Rd7 Rd3 36. Rxg7 c3 37. Rc7+ Kd4 38. bxc3+ Rxc3+ 39.
Rxc3 Kxc3 40. f4 Kd4 41. Kd2 Ke4 42. Kc3 Kd5 43. Kb4 Kc6 44. Ka5 Kb7 45. f5 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "3.1"]
[White "Sugimoto, Koichi"]
[Black "Kanda, Daigo"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "1959"]
[BlackElo "1705"]
[PlyCount "31"]
[SourceDate "2023.03.26"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5 6. cxd5 exd5 7. O-O Be7 8. Nc3
O-O 9. b3 Ba6 10. Bb2 Qc8 11. Rc1 Bxd3 12. Qxd3 Qa6 13. Qxa6 Nxa6 14. Ne5 Rfc8
15. Nc6 Bf8 16. Nb5 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "3.2"]
[White "Kawamura, Takuto"]
[Black "Yoshii, Yukihiko"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "1554"]
[BlackElo "1699"]
[PlyCount "75"]
[SourceDate "2023.03.26"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 c6 6. Qc2 h6 7. O-O O-O 8. Nbd2
Nbd7 9. b3 Bd6 10. Bb2 Re8 11. Ne5 Nh7 12. Nxf7 Kxf7 13. Qxh7 Nf6 14. Qd3 Kg8
15. e4 dxe4 16. Nxe4 Be7 17. Rad1 Rf8 18. Bc3 Qc7 19. Rfe1 Bd7 20. Bh3 Rae8 21.
Bg2 Qc8 22. Nd2 Bd8 23. Nf3 Bc7 24. Ne5 Bxe5 25. dxe5 Ng4 26. f3 Nxe5 27. Bxe5
Rd8 28. Qg6 Rf7 29. Bh3 Re8 30. c5 Ree7 31. f4 Be8 32. Qe4 Bd7 33. Bd6 Re8 34.
Bg4 Rf6 35. Be5 Ref8 36. Bxf6 Rxf6 37. Rxd7 Qxd7 38. Bxe6+ 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "3.3"]
[White "Kihara, Kotaro"]
[Black "Akai, Kiyotaka"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1351"]
[BlackElo "1705"]
[PlyCount "80"]
[SourceDate "2023.03.26"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. Nf3 Nc6 5. e3 Nf6 6. Bd3 Be7 7. dxc5 Bxc5 8. O-O
O-O 9. a3 a5 10. Qb3 d4 11. Na4 Ba7 12. exd4 Nxd4 13. Nxd4 Bxd4 14. Bg5 h6 15.
Bh4 Bd7 16. Bxf6 Bxa4 17. Qxa4 Qxf6 18. Qb3 b6 19. Rab1 Rad8 20. Be4 Qf4 21.
Bf3 Bc5 22. Rbd1 Rd2 23. g3 Qd6 24. Qa4 Rd8 25. b4 axb4 26. axb4 Bxb4 27. Rxd2
Bxd2 28. Rd1 Qc7 29. Qc2 Bg5 30. Ra1 g6 31. Ra6 Rd2 32. Ra8+ Rd8 33. Ra6 Bf6
34. Ra3 Kg7 35. Rd3 Rc8 36. Rb3 Bd4 37. Rb4 Qc5 38. Ra4 Rc7 39. Kg2 b5 40. Ra5
Qxc4 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "3.4"]
[White "Al Jabarat, Thamer"]
[Black "Takeuchi, Hiroshi"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1418"]
[BlackElo "1309"]
[PlyCount "102"]
[SourceDate "2023.03.26"]

1. d4 Nf6 2. Nc3 d6 3. b3 g6 4. Bb2 Bg7 5. Nf3 O-O 6. e3 c6 7. Bd3 Qc7 8. h4
Bg4 9. Qd2 Nbd7 10. Nh2 Be6 11. f3 c5 12. O-O-O c4 13. Be2 cxb3 14. axb3 Nb6
15. e4 a5 16. d5 Bd7 17. Ng4 Nxg4 18. fxg4 a4 19. bxa4 Nxa4 20. Nxa4 Bxb2+ 21.
Kxb2 Rxa4 22. Rb1 Rfa8 23. Bf3 Ra2+ 24. Kc1 Ba4 25. Bd1 Rc8 26. Rb2 Rxb2 27.
Kxb2 Bd7 28. h5 Qb6+ 29. Kc1 Ra8 30. Qc3 g5 31. Rh3 f6 32. Rd3 Rc8 33. Qd4 Qa5
34. Bf3 Bb5 35. Rb3 Rc4 36. Rxb5 Qxb5 37. Qd3 Qa4 38. Kd2 Rd4 39. Be2 Rxd3+ 40.
Bxd3 Qa1 41. c4 Qb2+ 42. Ke3 Qxg2 43. Kd4 Qxg4 44. c5 Qg1+ 45. Kc4 Qxc5+ 46.
Kb3 g4 47. e5 g3 48. e6 g2 49. h6 g1=Q 50. Ka4 Qa1+ 51. Kb3 Qaa3# 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "3.5"]
[White "Nishimori, Toshiyuki"]
[Black "Furuse, Mizuki"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1585"]
[BlackElo "922"]
[PlyCount "129"]
[SourceDate "2023.03.26"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc5 e6 6. Nxb7 Qb6 7. Nc5 Bxc5 8.
dxc5 Qxc5 9. c3 Nf6 10. Be3 Qe5 11. Nf3 Qc7 12. Bd3 Bxd3 13. Qxd3 O-O 14. O-O
Nbd7 15. h3 Rad8 16. Qc2 Ne5 17. Nxe5 Qxe5 18. Bd4 Qe4 19. Qxe4 Nxe4 20. Rfe1
Nd6 21. Bxa7 Rd7 22. Bc5 Rfd8 23. Rad1 Nf5 24. Rxd7 Rxd7 25. Re2 Rd5 26. Bb4 c5
27. Ba3 Nd6 28. b3 c4 29. Bxd6 Rxd6 30. bxc4 Rd3 31. Rb2 h6 32. Rb3 Rd6 33. a4
Ra6 34. Rb4 Rd6 35. a5 Rd1+ 36. Kh2 Ra1 37. Rb5 Rc1 38. a6 Ra1 39. Rb6 Kf8 40.
c5 Ke7 41. Rb7+ Kf6 42. a7 Ke5 43. c6 Kd6 44. c7 Kd7 45. Rb8 Kxc7 46. a8=Q Rxa8
47. Rxa8 Kc6 48. Ra7 Kb6 49. Rxf7 Kc5 50. Rxg7 Kc4 51. Rg6 Kxc3 52. Rxe6 Kd4
53. f4 Kd5 54. f5 h5 55. g4 hxg4 56. hxg4 Kd4 57. g5 Kd5 58. g6 Kd4 59. g7 Kd5
60. g8=Q Kd4 61. Qd8+ Kc5 62. Re1 Kb5 63. Rc1 Kb4 64. Qb8+ Ka5 65. Ra1# 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.25"]
[Round "3.6"]
[White "Ito, Katsuhide"]
[Black "Matsumoto, Kenshin"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1233"]
[BlackElo "1413"]
[PlyCount "72"]
[SourceDate "2023.03.26"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 Nf6 5. e5 Nfd7 6. Nf3 c5 7. a3 Bxc3 8. Bxc3
Nc6 9. Bb5 cxd4 10. Bxd4 Qa5+ 11. b4 Qxb5 12. c3 Nxd4 13. Nxd4 Qc4 14. Ne2 Nxe5
15. O-O Bd7 16. Qd4 Qxe2 17. Rae1 Nf3+ 18. gxf3 Qxf3 19. Re3 Qh5 20. Qxg7 Qg6+
21. Rg3 Qxg7 22. Rxg7 Kf8 23. Rg3 Rg8 24. Kh1 Rxg3 25. fxg3 Rc8 26. Rc1 Bb5 27.
Kg2 d4 28. c4 Bxc4 29. Kf2 e5 30. Ke1 d3 31. Kd2 e4 32. Ke3 f5 33. Kd4 b5 34.
Ra1 Rd8+ 35. Kc3 e3 36. Rd1 e2 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "4.1"]
[White "Kawamura, Takuto"]
[Black "Sugimoto, Koichi"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1554"]
[BlackElo "1959"]
[PlyCount "56"]
[SourceDate "2023.03.26"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Bg2 e6 6. O-O Nbd7 7. Nbd2 h6 8. b3
Bd6 9. Bb2 Qb8 10. Qc1 O-O 11. Qc3 b5 12. c5 Bc7 13. b4 a5 14. Nb3 Ne4 15. Qe1
axb4 16. Qxb4 Ra4 17. Qe1 Qa8 18. a3 Re8 19. Nh4 Bh7 20. Bh3 Rc4 21. Rc1 Qa4
22. Rxc4 bxc4 23. Nd2 Ba5 24. Bc1 Ra8 25. Nhf3 c3 26. Nxe4 Bxe4 27. Bg2 Rb8 28.
Qd1 c2 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "4.2"]
[White "Akai, Kiyotaka"]
[Black "Takeuchi, Hiroshi"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "1705"]
[BlackElo "1418"]
[PlyCount "49"]
[SourceDate "2023.03.26"]

1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nc3 c6 7. O-O Nbd7 8. e4
e5 9. h3 exd4 10. Nxd4 Qc7 11. b3 b6 12. Bb2 Bb7 13. Re1 Rfe8 14. Qd2 c5 15.
Ndb5 Qb8 16. Nxd6 Re6 17. Nxb7 Qxb7 18. e5 Qc7 19. exf6 Rd8 20. Nd5 Qb8 21.
fxg7 Ne5 22. Bxe5 Rxe5 23. Rxe5 Qxe5 24. Re1 Qb8 25. Qc3 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "4.3"]
[White "Kanda, Daigo"]
[Black "Nishimori, Toshiyuki"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1705"]
[BlackElo "1585"]
[PlyCount "65"]
[SourceDate "2023.03.26"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Bd6 5. Nxd6+ cxd6 6. Nf3 Nc6 7. e3 O-O 8.
h3 h6 9. Be2 Re8 10. Bh2 e5 11. O-O e4 12. Nd2 Be6 13. c3 a6 14. Qb3 Qe7 15. a4
Red8 16. Rfc1 Rac8 17. a5 Na7 18. Qa3 Nb5 19. Qb4 Na7 20. c4 dxc4 21. Nxc4 Nd5
22. Qd2 Nb5 23. Kh1 Rc6 24. f3 f5 25. g4 Kh8 26. fxe4 fxe4 27. Bf1 Bf7 28. Bg3
g5 29. Qf2 Bg6 30. Qd2 Rf8 31. Bg2 Qe6 32. Nb6 Qe8 33. Nxd5 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "4.4"]
[White "Yoshii, Yukihiko"]
[Black "Kihara, Kotaro"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1699"]
[BlackElo "1351"]
[PlyCount "68"]
[SourceDate "2023.03.26"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. e4 Nxc3 5. bxc3 g6 6. d4 Bg7 7. Nf3 Bg4 8.
Be2 c5 9. Be3 Nc6 10. e5 Qa5 11. Qd2 Bxf3 12. Bxf3 Rd8 13. Bxc6+ bxc6 14. Rd1
Bxe5 15. O-O O-O 16. Qc2 Bg7 17. Rd3 Rd7 18. Rfd1 Rfd8 19. g3 c4 20. R3d2 Re8
21. Rc1 Rb7 22. Bf4 e5 23. dxe5 Bxe5 24. Qe4 Qb5 25. Bxe5 Rxe5 26. Rd8+ Kg7 27.
Qd4 Qc5 28. Rd1 Rbe7 29. Kg2 Qxd4 30. R1xd4 Rc5 31. Rb8 Re2 32. a4 Rc2 33. Rb7
a5 34. Rdd7 Rf5 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "4.5"]
[White "Matsumoto, Kenshin"]
[Black "Furuse, Mizuki"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1413"]
[BlackElo "922"]
[PlyCount "39"]
[SourceDate "2023.03.26"]

1. d4 d5 2. c4 dxc4 3. e3 e6 4. Bxc4 c5 5. d5 Nf6 6. Nc3 Be7 7. Nf3 O-O 8. O-O
exd5 9. Nxd5 Nxd5 10. Bxd5 Qc7 11. Qc2 Nc6 12. Bd2 Bd7 13. Rfd1 Rfd8 14. Qc4
Be6 15. Bxe6 fxe6 16. Qxe6+ Kf8 17. Bc3 Re8 18. Rd7 Qc8 19. Ng5 Nd8 20. Nxh7#
1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "4.6"]
[White "Al Jbarat, Thamer"]
[Black "Nakamura, Mitsuru"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1309"]
[BlackElo "1413"]
[PlyCount "174"]
[SourceDate "2023.03.26"]

1. d4 d5 2. e3 Nf6 3. Nc3 e6 4. Bd3 c6 5. Nf3 Nbd7 6. O-O Bd6 7. Bd2 O-O 8. h3
h6 9. Qe2 Qc7 10. Ne1 b6 11. a3 Bb7 12. b4 a6 13. f4 Rfe8 14. Nd1 c5 15. Nf3
cxd4 16. Nxd4 e5 17. fxe5 Bxe5 18. c3 Ne4 19. Bxe4 dxe4 20. Qh5 Nf6 21. Qe2 Bd5
22. Nb2 b5 23. Rac1 Qb6 24. c4 bxc4 25. Nxc4 Bxc4 26. Rxc4 Rac8 27. Rfc1 Rxc4
28. Qxc4 Bxd4 29. Qxd4 Qxd4 30. exd4 e3 31. Be1 e2 32. Rc6 Ra8 33. Kf2 a5 34.
Kxe2 axb4 35. Bxb4 Nd5 36. Bc5 Nf4+ 37. Kf3 Nd3 38. Bd6 Ra4 39. Ke4 Ne1 40. g3
Ra5 41. Rc8+ Kh7 42. Bc5 Nc2 43. d5 Ra4+ 44. Kd3 Nxa3 45. d6 Nc4 46. d7 Ne5+
47. Ke3 Nxd7 48. Bd6 Nf6 49. Rc1 Re4+ 50. Kf3 Rd4 51. Be5 Rd3+ 52. Ke2 Rd5 53.
Ba1 Nh5 54. Rc3 Ra5 55. Bb2 Ra2 56. Rb3 Nxg3+ 57. Kf3 Nf1 58. Ke2 Ng3+ 59. Kf3
Nf5 60. Kf4 Nd6 61. Be5 Ra4+ 62. Kf3 Nc4 63. Bc3 Nd6 64. Be5 Nf5 65. Bb2 g5 66.
Bf6 Rf4+ 67. Ke2 Nd4+ 68. Bxd4 Rxd4 69. Rf3 Kg6 70. Ke3 Ra4 71. Kd2 Ra2+ 72.
Ke1 f5 73. Rb3 f4 74. Kf1 Kh5 75. Rc3 Kh4 76. Kg1 g4 77. hxg4 Kxg4 78. Rc6 h5
79. Rg6+ Kf5 80. Rb6 f3 81. Rb5+ Kg4 82. Rb4+ Kg3 83. Rb1 Rg2+ 84. Kh1 Rh2+ 85.
Kg1 f2+ 86. Kf1 Rh1+ 87. Ke2 Rxb1 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "5.1"]
[White "Kanda, Daido"]
[Black "Kawamura, Takuto"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1705"]
[BlackElo "1554"]
[PlyCount "101"]
[SourceDate "2023.03.26"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Na6 5. e3 c6 6. Nc3 Bd6 7. Nf3 O-O 8. Ne5
Qc7 9. Bxa6 bxa6 10. O-O Bb7 11. Na4 c5 12. Nxc5 Bxc5 13. dxc5 Qxc5 14. c3 h6
15. h3 Rad8 16. Rc1 Ne4 17. Qc2 Nd6 18. b3 a5 19. Rfd1 Ba6 20. Qb2 Qb5 21. Qc2
Qb6 22. c4 dxc4 23. bxc4 Qc5 24. Qa4 Qb4 25. Qxb4 axb4 26. c5 Ne4 27. Nd7 Nc3
28. Nxf8 Rxd1+ 29. Rxd1 Nxd1 30. Nd7 Nc3 31. c6 f6 32. Nc5 Bc8 33. Nb3 e5 34.
Bg3 Nxa2 35. f3 Kf7 36. e4 Ke7 37. Bf2 Kd6 38. Na5 Be6 39. Bxa7 Kc7 40. Bc5 b3
41. Nxb3 Bxb3 42. Bf8 g6 43. Bg7 f5 44. Bxe5+ Kxc6 45. exf5 gxf5 46. Kf2 Kd5
47. Bg7 h5 48. Kg3 Ke6 49. Kf4 Kf7 50. Bd4 Kg6 51. g4 1/2-1/2

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "5.2"]
[White "Matsumoto, Kenshin"]
[Black "Akai, Kiyotaka"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1413"]
[BlackElo "1705"]
[PlyCount "58"]
[SourceDate "2023.03.26"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. e3 Nf6 7. dxc5 Bxc5 8.
a3 a5 9. Bd3 O-O 10. O-O Re8 11. Qc2 Bf8 12. Rd1 Bg4 13. Be2 Rc8 14. Qb3 Qe7
15. Nxd5 Nxd5 16. Qxd5 Rcd8 17. Qb3 Ne5 18. Bd2 Bxf3 19. Bxf3 Rd3 20. Qxb7 Qxb7
21. Bxb7 Red8 22. f4 Ng6 23. Re1 Rxd2 24. Rab1 Rb8 25. Be4 Rbxb2 26. Ra1 Bc5
27. h3 Nxf4 28. Rac1 Ne6 29. Kh1 g6 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "5.3"]
[White "Takeuchi, Hiroshi"]
[Black "Nakamura, Mitsuru"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1418"]
[BlackElo "1413"]
[PlyCount "74"]
[SourceDate "2023.03.26"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Bd3 Be7 5. h3 h6 6. Nf3 Nbd7 7. Nbd2 c6 8. c3
O-O 9. O-O a6 10. Re1 Re8 11. e4 dxe4 12. Nxe4 b5 13. Nd6 Bxd6 14. Bxd6 Nb6 15.
Bh2 Bb7 16. Ne5 Nbd7 17. Nf3 Qb6 18. Qc2 Rad8 19. Ne5 Nf8 20. b4 Nd5 21. Rac1
f6 22. Ng6 Bc8 23. Nxf8 Rxf8 24. Qe2 Qb7 25. Qh5 Qe7 26. Qg6 f5 27. g4 Rf6 28.
Qh5 Rdf8 29. gxf5 Rxf5 30. Bxf5 Rxf5 31. Qd1 Qf7 32. Re2 Rg5+ 33. Kf1 Qf3 34.
Ke1 Nxc3 35. Rxc3 Qxc3+ 36. Qd2 Qxh3 37. Be5 Rg1# 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "5.4"]
[White "Nishimori, Toshiyuki"]
[Black "Kihara, Kotaro"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1585"]
[BlackElo "1351"]
[PlyCount "155"]
[SourceDate "2023.03.26"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Be3 Bg7 8.
c3 O-O 9. O-O Bf5 10. Nbd2 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Re1 Re8 14. Qc1
Nd5 15. Nf3 Bf6 16. Bd4 Rxe1+ 17. Qxe1 Bxd4 18. Nxd4 Qd7 19. Rd1 Re8 20. Qd2
Nb6 21. h3 h5 22. Qg5 c5 23. Nxf5 Qxf5 24. Qxf5 gxf5 25. Kf1 Kg7 26. Bc2 Kf6
27. Rd6+ Re6 28. Rd2 f4 29. b3 Ke7 30. c4 Na8 31. Rd5 Rd6 32. Be4 Ra6 33. a4
Rb6 34. Bc2 Rc6 35. Rxh5 Nc7 36. Be4 Rb6 37. Rxc5 Ne6 38. Rb5 Rxb5 39. cxb5 Nd4
40. Bd5 b6 41. g4 fxg3 42. fxg3 f6 43. Kf2 Kf8 44. g4 Kg7 45. Kg3 Ne2+ 46. Kh4
Nf4 47. Bc4 Kh6 48. Bf7 Kg7 49. Bc4 Kh6 50. Kg3 Ng6 51. h4 Ne5 52. Kf4 Ng6+ 53.
Kg3 Ne5 54. Be6 Ng6 55. Bf5 Ne7 56. Be4 Kg7 57. Kf4 Kh6 58. g5+ fxg5+ 59. hxg5+
Kg7 60. Ke5 Kf8 61. Ke6 Ke8 62. g6 Nxg6 63. Bxg6+ Kd8 64. Kd6 Kc8 65. Be4 Kb8
66. b4 Kc8 67. a5 Kb8 68. Kd7 bxa5 69. bxa5 a6 70. bxa6 Ka7 71. Bb7 Kb8 72. Kc6
Ka7 73. Kb5 Kb8 74. Be4 Ka7 75. Bd5 Kb8 76. Kb6 Kc8 77. a7 Kd7 78. a8=Q 1-0

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "5.5"]
[White "Furuse, Mizuki"]
[Black "Yoshii, Yukihiko"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "922"]
[BlackElo "1699"]
[PlyCount "106"]
[SourceDate "2023.03.26"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 Bxf3 7. Qxf3 Nf6 8.
d3 Be7 9. Nc3 O-O 10. Be3 Re8 11. Rad1 c5 12. Rfe1 c6 13. Ne2 Qc7 14. Ng3 g6
15. Bg5 Kg7 16. c3 h6 17. Bxf6+ Bxf6 18. Ne2 Rad8 19. Qg3 Qe7 20. Qf3 Rd7 21.
Qe3 Red8 22. Qd2 c4 23. d4 exd4 24. Nxd4 Bxd4 25. cxd4 Rxd4 26. Qxd4+ Rxd4 27.
Rxd4 b5 28. f3 Qb4 29. Rb1 Qa4 30. a3 Qc2 31. Rdd1 a5 32. Rdc1 Qd3 33. Rd1 Qe3+
34. Kf1 h5 35. Rbc1 a4 36. Rc3 Qc5 37. Ke2 h4 38. Rd2 Qg5 39. Kd1 Qc5 40. Ke2
Qg1 41. Rd7 Qxg2+ 42. Ke3 Qxb2 43. Kd4 Qd2+ 44. Kc5 Qxc3 45. Rd4 Qe3 46. e5
Qxe5+ 47. Kb4 Qxd4 48. f4 c3+ 49. Ka5 c2 50. Ka6 c1=Q 51. Kb7 Qdxf4 52. Ka6 Qb8
53. Ka5 Qc3+ 0-1

[Event "HokkaidoChessCh2023"]
[Site "?"]
[Date "2023.03.26"]
[Round "5.6"]
[White "Ito, Katsuhide"]
[Black "Al Jbarat, Thamer"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1233"]
[BlackElo "1309"]
[PlyCount "34"]
[SourceDate "2023.03.26"]

1. e4 e6 2. d4 c5 3. c3 Nf6 4. Bd3 Be7 5. e5 Nd5 6. Nf3 Qb6 7. O-O Nc6 8. Bc2
h5 9. h3 Rg8 10. a3 g5 11. Re1 g4 12. hxg4 hxg4 13. Nh2 cxd4 14. Nxg4 dxc3 15.
Nxc3 Nxc3 16. bxc3 Qa5 17. Qf3 b6 0-1

