[Event "Sapporo Hokkaido-ch"]
[Site "Sapporo"]
[Date "2021.03.28"]
[Round "5"]
[White "Ito, Katsuhide"]
[Black "Sato, Yasuji"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1294"]
[BlackElo "1498"]
[PlyCount "65"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 a6 5. Ba4 Bc5 6. 0-0 0-0 7. Nxe5 d6 8. Nxc6 bxc6 9. Bxc6 Rb8 10. d4 Ba7 11. Nd5 Ng4 12. h3 Nf6 13. Bg5 h6 14. Nxf6+ gxf6 15. Bxh6 Rxb2 16. Qd3 Kh7 17. Bxf8 Qxf8 18. e5+ Kh8 19. exf6 Qh6 20. Qe4 Qxf6 21. Qe8+ Kg7 22. Qxc8 Bxd4 23. Qg4+ Kf8 24. Qc8+ Kg7 25. Qg4+ Kf8 26. Rae1 Be5 27. f4 Bd4+ 28. Kh1 Rb8 29. Rf3 Bc3 30. Ref1 Bd4 31. Rg3 Qh8 32. Qd7 Bb6 33. Re1 1-0

[Event "Sapporo Hokkaido-ch"]
[Site "Sapporo"]
[Date "2021.03.28"]
[Round "4"]
[White "Sato, Yasuji"]
[Black "Hayashi, Ryota"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1498"]
[PlyCount "37"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. 0-0 dxc4 7. exf6 Qxf6 8. Bg5 Qg6 9. Re1+ Be6 10. c3 Be7 11. cxd4 Bxg5 12. d5 Rd8 13. Nc3 0-0 14. Qa4 Bxd5 15. Nxd5 Rxd5 16. Qxc4 Rfd8 17. Qxd5 h6 18. Nxg5 Rxd5 19. Re8# 1-0

[Event "Sapporo Hokkaido-ch"]
[Site "Sapporo"]
[Date "2021.03.27"]
[Round "1"]
[White "Kawamura, Takuto"]
[Black "Sato, Yasuji"]
[Result "1-0"]
[ECO "D08"]
[BlackElo "1498"]
[PlyCount "49"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 f6 6. exf6 Nxf6 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bd6 10. Nxd4 0-0 11. e3 Ne4 12. Qc2 Nc5 13. Qg6+ Kh8 14. Qxh6+ Kg8 15. Qg6+ Kh8 16. Nxc6 bxc6 17. b4 Qf6 18. Qxf6+ Rxf6 19. bxc5 Bxc5 20. Be5 Kg7 21. Nc3 Bf5 22. Rd1 Kf7 23. Bxf6 Kxf6 24. Bd3 Be6 25. Ne4+ 1-0

[Event "Sapporo Hokkaido-ch"]
[Site "Sapporo"]
[Date "2021.03.27"]
[Round "2"]
[White "Sato, Yasuji"]
[Black "Wada, Katsuhiko"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1498"]
[PlyCount "80"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nc6 4. d4 Nxe4 5. dxe5 d5 6. Bxd5 Be6 7. Bxc6+ bxc6 8. 0-0 Qxd1 9. Rxd1 Bc5 10. Nd4 0-0-0 11. Be3 Bxd4 12. Rxd4 Rxd4 13. Bxd4 Rd8 14. f3 Rxd4 15. fxe4 Rxe4 16. Nc3 Rxe5 17. Rd1 Bd5 18. Kf2 Rg5 19. g3 Rh5 20. h4 Rf5+ 21. Kg1 h5 22. Rd4 g5 23. hxg5 Rxg5 24. Kf2 Kd7 25. Nxd5 cxd5 26. Kf3 Rf5+ 27. Rf4 Ke6 28. Rxf5 Kxf5 29. c3 Ke5 30. b4 c6 31. a4 a6 32. Ke3 Kf5 33. Kf3 f6 34. a5 Kg5 35. Ke3 Kg4 36. Kf2 f5 37. Kg2 f4 38. gxf4 Kxf4 39. Kf2 h4 40. Kg2 Ke3 0-1

[Event "Sapporo Hokkaido-ch"]
[Site "Sapporo"]
[Date "2021.03.27"]
[Round "3"]
[White "Watanabe, Katsumi"]
[Black "Sato, Yasuji"]
[Result "1/2-1/2"]
[ECO "C58"]
[WhiteElo "1604"]
[BlackElo "1498"]
[PlyCount "117"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 Nxc6 8. 0-0 h6 9. Nf3 Bd6 10. d4 exd4 11. Nxd4 Qc7 12. Re1+ Kf8 13. Bxc6 Bxh2+ 14. Kf1 bxc6 15. Qd3 Bb7 16. Nc3 Rd8 17. Qc4 c5 18. Nf3 Bxf3 19. gxf3 Qc6 20. Re3 Rd4 21. Qb5 Qc8 22. Ke2 Bf4 23. Na4 Bxe3 24. Bxe3 Rd8 25. Bxc5+ Kg8 26. Nc3 Kh7 27. Be3 Rhe8 28. Qb3 Kg8 29. Rg1 Nh5 30. Qb5 Nf4+ 31. Ke1 Qh3 32. Ne2 Ng2+ 33. Rxg2 Qxg2 34. Nd4 Qh1+ 35. Ke2 Re6 36. c3 Rb6 37. Qa5 Rxb2+ 38. Kd3 Qd1+ 39. Kc4 Rc8+ 40. Kd5 Rb6 41. Qxa7 Rd8+ 42. Ke4 Qb1+ 43. Ke5 f6+ 44. Kf4 Rbd6 45. Qc7 g5+ 46. Kg4 Qg1+ 47. Kf5 Qb1+ 48. Kg4 Qg1+ 49. Kf5 R8d7 50. Qc8+ Kg7 51. Ne6+ Kh7 52. Nf8+ Kg7 53. Nxd7 Qb1+ 54. Kg4 f5+ 55. Kh3 Qh1+ 56. Kg3 Qg1+ 57. Kh3 Qh1+ 58. Kg3 Qg1+ 59. Kh3 1/2-1/2

[Event "Hokkaido-ch"]
[Site "Sapporo"]
[Date "2020.03.22"]
[Round "5"]
[White "Sato, Yasuji"]
[Black "Yoshida, So"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1512"]
[PlyCount "60"]
[EventDate "2020.03.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Bc4 Nxe4 4. 0-0 g6 5. Re1 Nf6 6. Ng5 d5 7. Bb3 Bg7 8. Qf3 0-0 9. d4 c6 10. h3 h6 11. Qe3 hxg5 12. Qxg5 Ne4 13. Qh4 Bxd4 14. Re2 e5 15. Qh6 Qf6 16. Be3 Bxb2 17. f3 Ng3 18. Bc5 Nxe2+ 19. Kf2 Bd4+ 20. Bxd4 Nxd4 21. Nc3 Nxb3 22. cxb3 e4 23. Rc1 exf3 24. g4 Nd7 25. Nd1 Ne5 26. Rc3 Bxg4 27. Kg3 Bh5 28. Nf2 Ng4 29. hxg4 Qxc3 30. gxh5 Qe5+ 0-1

[Event "Hokkaido-ch"]
[Site "Sapporo"]
[Date "2020.03.22"]
[Round "4"]
[White "Sugimoto, Koichi"]
[Black "Sato, Yasuji"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2021"]
[BlackElo "1512"]
[PlyCount "61"]
[EventDate "2020.03.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nf3 e6 4. Bg5 h6 5. Bh4 b6 6. cxd5 g5 7. Bg3 Nxd5 8. Be5 f6 9. Bg3 Bb7 10. e3 Bb4+ 11. Nbd2 h5 12. h3 Nc6 13. Qc2 Nce7 14. Rc1 Bd6 15. Bxd6 cxd6 16. Bb5+ Kf7 17. a3 Rc8 18. Qb1 Rxc1+ 19. Qxc1 f5 20. Nxg5+ Kf6 21. Ndf3 Ng6 22. e4 fxe4 23. Nxe4+ Kf7 24. Nfg5+ Kg8 25. 0-0 Ndf4 26. h4 Bxe4 27. Nxe4 Qxh4 28. Qe3 Kg7 29. Nxd6 Nxg2 30. Qxe6 N6f4 31. Nf5+ 1-0

[Event "Hokkaido-ch"]
[Site "Sapporo"]
[Date "2020.03.21"]
[Round "2"]
[White "Ito, Katsuhide"]
[Black "Sato, Yasuji"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "1257"]
[BlackElo "1512"]
[PlyCount "52"]
[EventDate "2020.03.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Bc5 3. c3 d5 4. d4 dxe4 5. dxc5 Qxd1+ 6. Kxd1 exf3 7. gxf3 Nf6 8. Nd2 0-0 9. Bd3 Rd8 10. Kc2 Nc6 11. Ne4 Nd5 12. Rg1 Kh8 13. Bg5 f6 14. Bh4 Nf4 15. Rad1 Be6 16. Nxf6 Nxd3 17. Rxd3 Rxd3 18. Kxd3 Bf5+ 19. Ke3 Bg6 20. Nd7 Re8 21. Bg3 Kg8 22. f4 exf4+ 23. Kxf4 Re4+ 24. Kf3 Re7 25. Rd1 Bh5+ 26. Kg2 Bxd1 0-1

[Event "Hokkaido-ch"]
[Site "Sapporo"]
[Date "2020.03.21"]
[Round "1"]
[White "Sato, Yasuji"]
[Black "Kikuchi, Daijiro"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1512"]
[BlackElo "1198"]
[PlyCount "74"]
[EventDate "2020.03.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. d4 dxe4 4. Ng5 Nf6 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 h6 8. Nh3 b6 9. Bb5+ c6 10. Be2 Nbd7 11. Bf4 Nd5 12. Qd2 Nxf4 13. Qxf4 Nf6 14. 0-0 0-0 15. f3 Nd5 16. Qd2 exf3 17. Rxf3 Nf6 18. Nf2 c5 19. Rg3 Kh8 20. Rd1 cxd4 21. cxd4 Qd6 22. Qe3 Bb7 23. Bf3 Bxf3 24. Rxf3 Nd5 25. Qd2 f5 26. c4 Nf6 27. Nh3 Ne4 28. Qc1 Rac8 29. Nf4 Kh7 30. Re1 Qxd4+ 31. Kf1 Nd2+ 32. Ke2 Nxf3 33. Kxf3 Rxc4 34. Nxe6 Qg4+ 35. Kf2 Rxc1 36. Nxf8+ Kg8 37. Rxc1 Qf4+ 0-1

[Event "Hokkaido-ch"]
[Site "Sapporo"]
[Date "2020.03.21"]
[Round "3"]
[White "Sato, Yasuji"]
[Black "Nakamura, Mitsuru"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1512"]
[BlackElo "1325"]
[PlyCount "35"]
[EventDate "2020.03.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d4 exd4 6. e5 Ne4 7. Re1 Nxf2 8. Kxf2 d3+ 9. Kf1 dxc2 10. Qxc2 Nd4 11. Nxd4 Bxd4 12. Bxf7+ Kxf7 13. Qc4+ Ke8 14. Qxd4 Qe7 15. Nc3 c6 16. Ne4 Kd8 17. Bg5 Rf8+ 18. Kg1 1-0

