[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.25"]
[Round "7"]
[White "Potasso Junior, Alvaro"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1546"]
[BlackElo "1388"]
[PlyCount "141"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. e3 Bd6 5. Ne5 0-0 6. h3 c5 7. c3 Nc6 8. Bd3 Bd7 9. 0-0 a6 10. Nxf7 Rxf7 11. Bxd6 cxd4 12. exd4 Na5 13. Be5 Qb6 14. b3 Bb5 15. Re1 Bxd3 16. Qxd3 Raf8 17. f3 Nd7 18. Bh2 Rf5 19. Kh1 R5f6 20. Nd2 Nc6 21. Rab1 Qa7 22. a3 b5 23. Re2 Qb6 24. b4 Qb7 25. Rbe1 Re8 26. f4 Nb6 27. Nf3 h6 28. Nd2 Nc4 29. Nxc4 bxc4 30. Qg3 Qd7 31. Qe3 h5 32. Bg3 Ne7 33. Qf3 Nf5 34. Bf2 h4 35. Qg4 Rh6 36. g3 hxg3 37. Bxg3 Qf7 38. Rg2 Rf8 39. Bf2 Nd6 40. Reg1 Rh7 41. h4 Ne4 42. Be1 Qf6 43. a4 Rf7 44. b5 axb5 45. axb5 Qxf4 46. Qxf4 Rxf4 47. b6 Rf7 48. Rg6 Nf6 49. b7 Nd7 50. Rxe6 Rf8 51. Bg3 Kf7 52. Rf1+ Kxe6 53. Rxf8 g5 54. b8Q Nxb8 55. Rxb8 gxh4 56. Be5 Rf7 57. Rb6+ Kf5 58. Rh6 Kg5 59. Rd6 Rf3 60. Rxd5 Rxc3 61. Rc5 Kg6 62. d5 Re3 63. Bd4 Re4 64. Rxc4 Kf5 65. Rb4 Re1+ 66. Kg2 Rd1 67. d6 Ke6 68. Bc5 Rd5 69. Rc4 Kd7 70. Bb4 Rg5+ 71. Kh3 1-0

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.24"]
[Round "5"]
[White "Hayashi, Kouki"]
[Black "Bokhonok, Tatiana dos Santos"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1388"]
[BlackElo "1202"]
[PlyCount "71"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Bd6 7. e3 Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. Bd3 h6 11. Bh4 Be7 12. 0-0 0-0 13. e4 Nxe4 14. Bxe7 Qxe7 15. Nxe4 dxe4 16. Bxe4 Rfe8 17. Bd3 Nf6 18. Bc4 Qe4 19. Qc3 Rad8 20. Rfd1 Qf4 21. Qb3 Nd5 22. Qxb7 Qc7 23. Qxc7 Nxc7 24. Bb3 Re2 25. Re1 Rde8 26. Kf1 Rxb2 27. Rac1 Rxe1+ 28. Kxe1 Nb5 29. Rxc6 Nxd4 30. Rc8+ Kh7 31. Bxf7 Re2+ 32. Kf1 Rb2 33. g3 Nb5 34. Rc6 Nd4 35. Bg6+ Kg8 36. Rc8# 1-0

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.24"]
[Round "6"]
[White "Hayashi, Kouki"]
[Black "Caporale, Giuseppe Guido"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1388"]
[BlackElo "1592"]
[PlyCount "58"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Nc3 e6 7. Bg5 h6 8. Bh4 Be7 9. e3 Rb8 10. Rb1 0-0 11. Bd3 d5 12. Bg3 Bd6 13. 0-0 e5 14. Ne2 Qa5 15. a3 Ba6 16. cxd5 Bxd3 17. Qxd3 cxd5 18. Rfd1 Rbd8 19. Ra1 Bb8 20. Nc3 e4 21. Bxb8 exd3 22. Be5 Ng4 23. Bd4 Qc7 24. g3 Ne5 25. Bxe5 Qxe5 26. Rxd3 Rd7 27. Rad1 Rfd8 28. Kf1 f5 29. Ke2 g5 0-1

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.23"]
[Round "4"]
[White "Bonvini, Adriana Tonhati"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1610"]
[BlackElo "1388"]
[PlyCount "67"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Bd3 g6 6. Ne2 Bg7 7. 0-0 0-0 8. Nbc3 Nc6 9. f3 Bd7 10. a3 a5 11. Be3 Ne8 12. Qd2 Nc7 13. Rac1 Re8 14. Nd1 b5 15. d5 Ne5 16. Bb6 Rc8 17. Nf2 a4 18. Rc2 e6 19. dxe6 Bxe6 20. Bxb5 Re7 21. Rfc1 Bb3 22. Rxc7 Rcxc7 23. Rxc7 Rxc7 24. Qa5 Nxf3+ 25. Kh1 Qh4 26. gxf3 Be5 27. Ng4 Rc2 28. Bf2 Qh3 29. Ng1 Rc1 30. Nxe5 dxe5 31. Be2 Qd7 32. Be3 Rc2 33. Qxe5 Qe8 34. Bd4 1-0

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.23"]
[Round "3"]
[White "Hayashi, Kouki"]
[Black "Dos Santos, Gustavo Mota"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1388"]
[BlackElo "1736"]
[PlyCount "56"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Bg5 Bg7 5. e3 0-0 6. Nc3 Qa5 7. Qc2 Nc6 8. Be2 h6 9. Bh4 cxd4 10. exd4 g5 11. Bg3 g4 12. Ne5 Nxd4 13. Qd3 Nxe2 14. Qxe2 d6 15. Nxg4 Bxg4 16. f3 Bf5 17. 0-0 Rad8 18. Qxe7 Rfe8 19. Qxb7 Rb8 20. Qc6 Rxb2 21. Nd5 Qc5+ 22. Qxc5 dxc5 23. Nxf6+ Bxf6 24. Bd6 Bd4+ 25. Kh1 Ree2 26. g4 Be6 27. Rab1 Rxb1 28. Rxb1 Rxa2 0-1

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.22"]
[Round "1"]
[White "Carvalho, Celestino Jr"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "1889"]
[BlackElo "1388"]
[PlyCount "68"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. e3 0-0 6. Bd2 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bd3 Bb7 10. 0-0 c5 11. Re1 Ne4 12. Bb1 Nxc3 13. Bxc3 c4 14. Qc2 Nf6 15. Ng5 h6 16. Nh7 g6 17. Nxf8 Kxf8 18. Qd2 a5 19. b4 Ne4 20. Bxe4 dxe4 21. bxa5 b5 22. Rb1 Ba6 23. d5 Bc5 24. Bb2 f6 25. Bc3 Rb8 26. Bb4 Bd6 27. a3 Kf7 28. Qd4 Qe7 29. Bxd6 Qxd6 30. Qxe4 Re8 31. Qd4 Re7 32. Rb4 Rd7 33. e4 Re7 34. g3 Qd7 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.23"]
[Round "7"]
[White "Oliveira, Olavo Tadeu Carvalh"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1115"]
[BlackElo "1402"]
[PlyCount "83"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. Kb1 a5 13. a4 Nc4 14. Bxc4 Rxc4 15. b3 Rb4 16. h4 h5 17. Bg5 Qb6 18. Bxf6 Bxf6 19. Nd5 Qc5 20. Nxb4 axb4 21. Rhe1 b5 22. axb5 Ra8 23. Qd3 Bxb5 24. Qe3 Qc3 25. Kc1 Qa1+ 26. Kd2 Qb2 27. Rb1 Qxd4+ 28. Qxd4 Bxd4 29. Kd1 Bf2 30. Rh1 d5 31. exd5 Rd8 32. Kc1 Rxd5 33. Rd1 Rc5 34. Rd2 Be3 35. Kd1 Bxd2 36. Kxd2 Rd5+ 37. Kc1 Re5 38. Ra1 Re1+ 39. Kb2 Rxa1 40. Kxa1 Bf1 41. g3 Be2 42. f4 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.22"]
[Round "6"]
[White "Hayashi, Kouki"]
[Black "Calcada, Lucas Galvan"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1402"]
[BlackElo "1400"]
[PlyCount "76"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 d6 8. Be2 Nd7 9. 0-0 e5 10. b4 Bg7 11. a4 Re8 12. Re1 exd4 13. exd4 a5 14. b5 Nc5 15. Qc2 Ne6 16. Rad1 Bd7 17. c5 dxc5 18. dxc5 Qc8 19. Ne4 Nf4 20. b6 Bf5 21. Bd3 Nxd3 22. Qxd3 Qe6 23. Nd4 Bxd4 24. Qxd4 Bxe4 25. bxc7 Qc6 26. f3 Bd5 27. Rxe8+ Rxe8 28. Qxd5 Qxc7 29. Qd6 Rc8 30. Rd5 Qc6 31. Qxc6 Rxc6 32. Kf2 Kg7 33. Ke3 Kf6 34. Kd4 Ke6 35. Re5+ Kd7 36. Kd5 Ra6 37. Re2 Rc6 38. Rb2 Kc7 1/2-1/2

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.22"]
[Round "5"]
[White "Zockun, Ivan Zancaner"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1214"]
[BlackElo "1402"]
[PlyCount "65"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 e6 3. Bb2 Nf6 4. e3 Bd6 5. Be2 0-0 6. 0-0 c5 7. d4 Nc6 8. Nbd2 Bd7 9. c4 a5 10. Qc2 a4 11. cxd5 exd5 12. dxc5 Be7 13. Nd4 Qa5 14. Nxc6 Bxc6 15. Bd4 Nd7 16. Bd3 h6 17. Rfc1 Rfc8 18. Rab1 axb3 19. axb3 Bb5 20. Bxb5 Qxb5 21. b4 Bf6 22. Qb3 Bxd4 23. exd4 Nf6 24. Nf3 Ra6 25. Ne1 Rca8 26. Nc2 Ne4 27. Ra1 Rxa1 28. Rxa1 Rxa1+ 29. Nxa1 Qe2 30. Qb1 Qxf2+ 31. Kh1 Qxd4 32. Nc2 Nf2+ 33. Kg1 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.21"]
[Round "3"]
[White "Ferreira, Wagner Maria Gangin"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1193"]
[BlackElo "1402"]
[PlyCount "86"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. Nf3 Nf6 4. e3 Bd6 5. Ne5 0-0 6. Nd2 c5 7. c3 Nc6 8. Nxc6 bxc6 9. Bxd6 Qxd6 10. Be2 Rb8 11. b3 Bd7 12. 0-0 Rfc8 13. c4 cxd4 14. exd4 c5 15. dxc5 Rxc5 16. Bf3 Rbc8 17. Ne4 Nxe4 18. Bxe4 Qe5 19. Bf3 Bc6 20. Re1 Qf6 21. Rc1 dxc4 22. Rxc4 Rxc4 23. bxc4 Bxf3 24. Qxf3 Qxf3 25. gxf3 Rxc4 26. Rb1 g6 27. Kg2 Ra4 28. Ra1 Kg7 29. Kg3 Kf6 30. a3 h5 31. h3 h4+ 32. Kg2 Kf5 33. Kf1 Kf4 34. Ke2 Ra5 35. a4 Re5+ 36. Kf1 Kxf3 37. Ra3+ Kf4 38. a5 a6 39. Ra4+ Kf5 40. Rxh4 Rxa5 41. Kg2 Kf6 42. Kg3 Rg5+ 43. Kf3 Rh5 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.21"]
[Round "4"]
[White "Hayashi, Kouki"]
[Black "Wanderley, Fabio Marcel Bezerr"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1402"]
[PlyCount "60"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 a6 6. e3 0-0 7. Be2 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. 0-0 c5 11. Bc2 Nbd7 12. Rc1 Qb6 13. e4 cxd4 14. Nxd4 Bc5 15. Nf3 h6 16. Bh4 Bc6 17. e5 Ng4 18. Qe2 Bxf3 19. Qxf3 Ngxe5 20. Qe2 Rac8 21. Rcd1 Qa7 22. Ne4 Nc4 23. Nxc5 Nxc5 24. b3 Na3 25. Bd3 Nxd3 26. Rxd3 Nc2 27. Qd2 Qc5 28. Rc1 Qb4 29. Qd1 Nd4 30. f3 Rxc1 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.20"]
[Round "2"]
[White "Hayashi, Kouki"]
[Black "Oliveira, Guilherme Assis Arr"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1402"]
[PlyCount "56"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 a6 7. e3 e6 8. a3 Bd6 9. Bg3 0-0 10. Be2 Ne4 11. Qc2 f5 12. b4 Qe7 13. Ne5 Bxe5 14. Bxe5 Nxe5 15. dxe5 Bd7 16. f4 Rac8 17. Nxd5 exd5 18. Qd3 Be6 19. 0-0 Rc3 20. Qd1 Rfc8 21. Bd3 b5 22. Bxe4 dxe4 23. Qe2 Bc4 24. Qd2 Bxf1 25. Rxf1 Rd3 26. Qe2 Rcc3 27. Re1 Rxa3 28. g3 Qxb4 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.20"]
[Round "1"]
[White "Moterani, Vinicius Cesar"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B70"]
[BlackElo "1402"]
[PlyCount "49"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bb5+ Bd7 7. Qe2 Bg7 8. h3 0-0 9. Be3 Nc6 10. 0-0-0 a6 11. Nxc6 bxc6 12. Bc4 a5 13. Rd2 a4 14. Rhd1 a3 15. b3 Qa5 16. Rd3 Rfb8 17. f4 Qc7 18. Bd4 Nh5 19. g3 Nf6 20. e5 c5 21. exf6 cxd4 22. fxg7 dxc3 23. Qxe7 Rf8 24. gxf8Q+ Rxf8 25. Rxd6 1-0

[Event "Sao Paulo Haroldo Salles op"]
[Site "Sao Paulo"]
[Date "2019.05.11"]
[Round "6.9"]
[White "Barreto, Michael Fernando Al"]
[Black "Hayashi, Kouki"]
[Result "1/2-1/2"]
[ECO "B73"]
[WhiteElo "1688"]
[BlackElo "1348"]
[PlyCount "133"]
[EventDate "2019.05.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. 0-0 Nc6 9. Kh1 d5 10. Nxc6 bxc6 11. exd5 cxd5 12. Bd4 Bb7 13. Bf3 Rb8 14. Bxa7 Ra8 15. Bd4 Ra5 16. Rb1 Re8 17. Re1 Qd6 18. b4 Ra3 19. Bxf6 Qxf6 20. Bxd5 Rxc3 21. Bxb7 e6 22. Bf3 Rd8 23. Qe2 Rdc8 24. Be4 Ra3 25. c4 Rc7 26. Rb3 Ra4 27. c5 Qd4 28. Rd1 Qe5 29. a3 Rca7 30. Bf3 Rxa3 31. Qxe5 Bxe5 32. Rxa3 Rxa3 33. Rb1 Ra2 34. b5 Rxf2 35. b6 Kf8 36. c6 Ke7 37. Rd1 Rc2 38. g3 h5 39. b7 Bb8 40. Bg2 g5 41. Be4 Rc4 42. Bf3 h4 43. gxh4 gxh4 44. Rd2 h3 45. Kg1 Rf4 46. Be2 Rf5 47. Rd1 Rg5+ 48. Kf1 Ba7 49. Bf3 Rg1+ 50. Ke2 Rxd1 51. Kxd1 Bb8 52. Ke2 f5 53. Kd3 Kd6 54. Kc4 Ba7 55. Kb5 Kc7 56. Be2 Bg1 57. Bf1 e5 58. Bxh3 f4 59. Bg2 Bxh2 60. Be4 Bg1 61. Kc4 Ba7 62. Kd5 Bd4 63. Ke6 Bc3 64. Ke7 Bd4 65. Bd5 Ba7 66. Ke8 Bd4 67. Bf3 1/2-1/2

[Event "Sao Paulo Haroldo Salles op"]
[Site "Sao Paulo"]
[Date "2019.05.11"]
[Round "5.11"]
[White "Hayashi, Kouki"]
[Black "Dos Santos Junior, Gabriel Ribeiro"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1348"]
[BlackElo "1709"]
[PlyCount "89"]
[EventDate "2019.05.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Be2 h6 8. Bh4 b6 9. 0-0 Bb7 10. Qc2 Rc8 11. Ne5 c5 12. Bf3 Qc7 13. Nb5 Qb8 14. Nxd7 Nxd7 15. Bxe7 cxd4 16. Bd6 Qa8 17. Bxf8 Rxc4 18. Qd3 Qxf8 19. exd4 Ba6 20. a4 Qb4 21. Na3 Qxb2 22. Nxc4 Bxc4 23. Qa3 Qxd4 24. Rfd1 Qf4 25. Qe7 Nc5 26. Bh5 Bb3 27. Rd4 Ne4 28. Rxe4 dxe4 29. Qe8+ Kh7 30. Qxf7 Qf6 31. Qxf6 gxf6 32. Be8 f5 33. Rc1 a6 34. Rb1 Bc4 35. Rxb6 Kg7 36. Rc6 Bd5 37. Rxa6 Kf6 38. Rb6 f4 39. a5 Ke5 40. a6 e3 41. f3 Kd4 42. a7 Ba8 43. Rb8 Kd3 44. Rxa8 Kd2 45. Rd8+ 1-0

[Event "Sao Paulo Haroldo Salles op"]
[Site "Sao Paulo"]
[Date "2019.05.10"]
[Round "3.23"]
[White "Katsuyama, Eric Shih"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "1037"]
[BlackElo "1348"]
[PlyCount "60"]
[EventDate "2019.05.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Nc3 0-0 8. Bd3 Nc6 9. Be3 Bd7 10. 0-0 Qb6 11. Nxc6 Qxe3+ 12. Rf2 Bxc6 13. Qe2 Qxe2 14. Rxe2 Nh5 15. g3 Rab8 16. Nd5 Bxd5 17. exd5 Rfe8 18. Rae1 Kf8 19. b3 a6 20. g4 Nf4 21. Re3 Nxd3 22. Rxd3 b5 23. Re4 bxc4 24. Rxc4 Rec8 25. Rc6 Rxc6 26. dxc6 Rc8 27. Rd5 Rxc6 28. Kg2 Rc2+ 29. Kh3 Be5 30. Ra5 Rxh2# 0-1

[Event "Sao Paulo Haroldo Salles op"]
[Site "Sao Paulo"]
[Date "2019.05.09"]
[Round "1.8"]
[White "Hayashi, Kouki"]
[Black "Da Conceicao, Daniel Firmino"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "1348"]
[BlackElo "1762"]
[PlyCount "64"]
[EventDate "2019.05.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 Nc6 7. Bg5 h6 8. Bh4 b6 9. e3 Ba6 10. Qa4 Na5 11. Rd1 Rc8 12. Bxf6 Qxf6 13. Be2 Ke7 14. dxc5 Qxc3+ 15. Rd2 Rhd8 16. cxb6 axb6 17. c5 Bxe2 18. Kxe2 Qxc5 19. Qh4+ Ke8 20. Qg3 Kf8 21. Rhd1 Qc7 22. Ne5 d6 23. Qh4 Ke8 24. Ng4 Nc4 25. Rd4 e5 26. Rd5 Nxa3 27. f3 Nb1 28. Nxe5 Nc3+ 29. Ke1 Nxd5 30. Qa4+ Kf8 31. Ng6+ fxg6 32. Rxd5 Qc3+ 0-1

[Event "Sao Paulo Haroldo Salles op"]
[Site "Sao Paulo"]
[Date "2019.05.09"]
[Round "2.22"]
[White "Oliveira, Ivan Gentil De Rosa"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "1348"]
[PlyCount "61"]
[EventDate "2019.05.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Bf4 Nf6 4. e3 Nh5 5. Qxh5 Be7 6. Bd3 Nd7 7. Nc3 Nf6 8. Qd1 0-0 9. Nf3 c5 10. h3 b6 11. a3 Ba6 12. cxd5 Bxd3 13. Qxd3 Nxd5 14. Nxd5 Qxd5 15. 0-0 f6 16. Rfd1 Rad8 17. Qc2 Qc6 18. Bg3 Rd7 19. b4 Rfd8 20. dxc5 bxc5 21. Rxd7 Rxd7 22. Rc1 h6 23. Nd4 Qa6 24. bxc5 e5 25. Nf5 Bf8 26. a4 Rc7 27. c6 Ba3 28. Qa2+ Kh7 29. Qxa3 Rxc6 30. Rxc6 Qxc6 31. Qe7 1-0

[Event "Hebraica op 26th"]
[Site "Hebraica"]
[Date "2019.01.13"]
[Round "5"]
[White "Funayama S A, Yuri"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1638"]
[BlackElo "1334"]
[PlyCount "56"]
[EventDate "2019.01.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Bd6 5. Bg3 0-0 6. e3 c5 7. Nf3 Nc6 8. cxd5 exd5 9. Be2 Re8 10. 0-0 Bf5 11. Bxd6 Qxd6 12. Nb5 Qe7 13. dxc5 Red8 14. Nfd4 Be4 15. Nxc6 bxc6 16. Nd6 Nd7 17. Qd4 Nxc5 18. Qxc5 Rxd6 19. Rfc1 Qd7 20. Rc3 Rg6 21. Bf1 Bxg2 22. Bxg2 Qh3 23. Kf1 Rxg2 24. Ke1 Rg1+ 25. Kd2 Rxa1 26. Qxc6 Rf8 27. Qxd5 Qf1 28. Qf3 Rd8+ 0-1

[Event "Hebraica op 26th"]
[Site "Hebraica"]
[Date "2019.01.13"]
[Round "6"]
[White "Hayashi, Kouki"]
[Black "Nobre, Jose Adalberto Barb"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "1334"]
[BlackElo "1642"]
[PlyCount "46"]
[EventDate "2019.01.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. Bf4 Nf6 8. e3 Nh5 9. Bg3 Nxg3 10. hxg3 Qa5 11. Qc2 d5 12. Rh4 Bf6 13. Rh1 Rb8 14. Be2 Bf5 15. Qd2 Rxb2 16. Qc1 Bxc3+ 17. Kf1 Bg7 18. g4 Bd7 19. Rb1 Qxa2 20. Rxb2 Qxb2 21. Qxb2 Bxb2 22. cxd5 cxd5 23. Rh3 0-0 0-1

[Event "Hebraica op 26th"]
[Site "Hebraica"]
[Date "2019.01.12"]
[Round "4"]
[White "Hayashi, Kaito"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1555"]
[BlackElo "1334"]
[PlyCount "61"]
[EventDate "2019.01.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. Bh6 b5 13. Bxg7 Kxg7 14. Ndxb5 a5 15. a4 Qb6 16. Kb1 Nc4 17. Bxc4 Rxc4 18. b3 Rc5 19. h4 h5 20. Rhg1 Rfc8 21. Rc1 Qc6 22. Na7 Qc7 23. Nxc8 Qxc8 24. Nd5 Nxd5 25. exd5 Bf5 26. g4 Bd7 27. gxh5 Qb7 28. hxg6 fxg6 29. Rxg6+ Kxg6 30. Rg1+ Bg4 31. Qg5+ 1-0

[Event "Hebraica op 26th"]
[Site "Hebraica"]
[Date "2019.01.12"]
[Round "3"]
[White "Hayashi, Kouki"]
[Black "Guedes, Andre Vieira"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1334"]
[PlyCount "71"]
[EventDate "2019.01.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 Nc6 6. e3 d6 7. Be2 Bd7 8. 0-0 e6 9. a3 Qe7 10. b4 a6 11. Qc2 e5 12. Bxf6 Qxf6 13. Nd5 Qe7 14. Nxe7+ Nxe7 15. dxe5 dxe5 16. Rad1 Be8 17. Qe4 f5 18. Qc2 Nc8 19. Qb3 Kh8 20. Rd8 Bf6 21. Rd5 Nb6 22. Rc5 Be7 23. Rxe5 Ba4 24. Qc3 Bf6 25. h4 Bxe5 26. Qxe5+ Kg8 27. Ng5 h6 28. Qe6+ Kh8 29. Qxg6 hxg5 30. h5 Be8 31. Qh6+ Kg8 32. c5 Nd7 33. Bc4+ Bf7 34. Qg6+ Kh8 35. Bxf7 Ne5 36. Qh6# 1-0

[Event "Hebraica op 26th"]
[Site "Hebraica"]
[Date "2019.01.11"]
[Round "1"]
[White "Hayashi, Kouki"]
[Black "Mascarenhas, Alfredo C Viana"]
[Result "0-1"]
[ECO "E30"]
[WhiteElo "1334"]
[BlackElo "1776"]
[PlyCount "70"]
[EventDate "2019.01.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. Qc2 cxd4 6. a3 Be7 7. Bxf6 Bxf6 8. Ne4 0-0 9. Nf3 Nc6 10. g3 d5 11. Nxf6+ Qxf6 12. c5 e5 13. Bg2 e4 14. Nd2 Bf5 15. Qc1 Ne5 16. 0-0 Rac8 17. b4 Qh6 18. Nb3 e3 19. Nxd4 Ng4 20. h3 exf2+ 21. Kh1 Ne3 22. Nxf5 Nxf5 23. Qxh6 Nxg3+ 24. Kh2 Nxf1+ 25. Bxf1 gxh6 26. Bg2 Rfe8 27. Bxd5 Rxe2 28. Rf1 Rc7 29. Bc4 Rc2 30. Bd5 Re7 31. Kg2 Re5 32. Bxb7 Rg5+ 33. Kf3 Rc3+ 34. Kxf2 Rf5+ 35. Ke1 Rc1+ 0-1

[Event "Hebraica op 26th"]
[Site "Hebraica"]
[Date "2019.01.11"]
[Round "2"]
[White "Jenidarchiche, Douglas Rodrigo"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1816"]
[BlackElo "1334"]
[PlyCount "45"]
[EventDate "2019.01.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 e6 3. Bg2 Nf6 4. 0-0 Be7 5. d3 Nbd7 6. Re1 0-0 7. Nbd2 b6 8. e4 Bb7 9. e5 Ne8 10. Nf1 c5 11. h4 Qc7 12. Bf4 g6 13. N1h2 Ng7 14. Qd2 c4 15. Ng4 h5 16. Nf6+ Kh8 17. dxc4 Qc8 18. Bg5 Bxf6 19. Bxf6 Nxf6 20. exf6 Nf5 21. Bh3 dxc4 22. Bxf5 Qd8 23. Qh6+ 1-0

[Event "Sao Paulo U16 3rd"]
[Site "Sao Paulo"]
[Date "2018.06.10"]
[Round "4.2"]
[White "Amante, Bruno Bernardes"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1792"]
[BlackElo "1338"]
[PlyCount "72"]
[EventDate "2018.06.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. a3 Nxe4 5. Qe2 Nf6 6. d3 g6 7. Bg5 Bg7 8. Qe3 h6 9. Bf4 Nh5 10. Nc3 Nxf4 11. Qxf4 0-0 12. 0-0 Nc6 13. Ne2 Bxb2 14. Qxh6 Bg7 15. Qh4 e6 16. Qxd8 Rxd8 17. Rae1 a6 18. Ba2 b5 19. Rd1 Bb7 20. c3 a5 21. c4 b4 22. Rb1 Ne5 23. Nxe5 dxe5 24. Rfd1 Rd7 25. Nc1 Rad8 26. Bb3 e4 27. Bc2 exd3 28. Rxd3 Bd4 29. Nb3 Be4 30. Rd2 Bxc2 31. Rxc2 a4 32. Nxd4 Rxd4 33. Rcc1 b3 34. Kf1 Rd2 35. Ke1 Ra2 36. Ra1 b2 0-1

[Event "Sao Paulo U16 3rd"]
[Site "Sao Paulo"]
[Date "2018.06.10"]
[Round "5.1"]
[White "Hayashi, Kouki"]
[Black "Hopka, Matheus Marchesi"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1338"]
[BlackElo "1759"]
[PlyCount "56"]
[EventDate "2018.06.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 d6 6. e3 Nbd7 7. Be2 c6 8. 0-0 Qc7 9. b4 e5 10. d5 h6 11. Bxf6 Nxf6 12. Qc2 cxd5 13. Rfd1 Be6 14. Rac1 Rac8 15. Qb1 dxc4 16. Nb5 Qb8 17. Nxd6 Rc6 18. Nxc4 Nd5 19. a3 Rfc8 20. Ncd2 Rxc1 21. Rxc1 Nc3 22. Qd3 Nxe2+ 23. Qxe2 Rxc1+ 24. Ne1 Qc7 25. Ndf3 Bg4 26. h3 e4 27. hxg4 exf3 28. gxf3 Bc3 0-1

[Event "Sao Paulo U16 3rd"]
[Site "Sao Paulo"]
[Date "2018.06.09"]
[Round "1.4"]
[White "Hayashi, Kouki"]
[Black "Borger, David Lupovici"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1338"]
[PlyCount "96"]
[EventDate "2018.06.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. Bf4 Nc6 6. Nb5 Qa5+ 7. Qd2 Qxd2+ 8. Kxd2 Ne4+ 9. Ke1 Nb4 10. e3 Nc2+ 11. Ke2 Nxa1 12. Nc7+ Kd7 13. Nxa8 Bd6 14. Bxd6 Kxd6 15. dxc5+ Nxc5 16. cxd5 exd5 17. Kd1 Bf5 18. Ng5 Rf8 19. f3 h6 20. g4 Bg6 21. Nh3 Rxa8 22. Bg2 Nc2 23. Kd2 Nb4 24. f4 Be4 25. Bxe4 Nxe4+ 26. Ke2 Rc8 27. f5 Rc2+ 28. Kf3 Ke5 29. a3 Nd3 30. Rd1 Nxb2 31. Rd4 Rc4 32. Rxc4 dxc4 33. Ke2 c3 34. a4 c2 35. Nf2 c1Q 36. Nd3+ Nxd3 37. Kxd3 Qd1+ 38. Kc4 Qxa4+ 39. Kd3 Nf2+ 40. Ke2 Nxg4 41. f6 Nxf6 42. h4 Qxh4 43. Kd3 Qe4+ 44. Kd2 Ng4 45. Kc3 Nxe3 46. Kd2 Nd1 47. Kc1 Qe2 48. Kb1 Qb2# 0-1

[Event "Sao Paulo U16 3rd"]
[Site "Sao Paulo"]
[Date "2018.06.09"]
[Round "3.4"]
[White "Hayashi, Kouki"]
[Black "Mariani, Vitor Caramico Stef"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1338"]
[BlackElo "1659"]
[PlyCount "61"]
[EventDate "2018.06.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Bf5 6. Bf4 e6 7. h3 Bd6 8. Bxd6 Qxd6 9. Nh4 0-0 10. Nxf5 exf5 11. e3 Ne4 12. Rc1 Nd7 13. Qb3 b6 14. Qxd5 Qxd5 15. Nxd5 Rac8 16. Ne7+ Kh8 17. Rxc8 Nd6 18. Rxf8+ Nxf8 19. Bd3 g6 20. 0-0 Kg7 21. Rc1 Ne6 22. Rc6 Kf6 23. Nd5+ Kg7 24. Rxd6 Nf8 25. Rc6 Ne6 26. Nf4 Nd8 27. Rc7 a5 28. Rd7 Nc6 29. Rd6 Nb8 30. Rxb6 Nd7 31. Ra6 1-0

[Event "Sao Paulo U16 3rd"]
[Site "Sao Paulo"]
[Date "2018.06.09"]
[Round "2.7"]
[White "Laguna, Oscar Alexander San"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "B25"]
[BlackElo "1338"]
[PlyCount "118"]
[EventDate "2018.06.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d3 Nc6 8. Be3 Rb8 9. Re1 b5 10. Qd2 Ng4 11. Bh3 Nxe3 12. Bxc8 Qxc8 13. Qxe3 Nd4 14. Rac1 b4 15. Ne2 Nxf3+ 16. Qxf3 Bxb2 17. Rb1 Bg7 18. Rb3 Qa6 19. Reb1 Qxa2 20. c3 Qa4 21. d4 cxd4 22. Nxd4 Bxd4 23. cxd4 a5 24. Qd1 Rfc8 25. Ra1 Qb5 26. Rab1 Qc4 27. Qd3 Qxd3 28. Rxd3 a4 29. Ra1 Ra8 30. d5 Rc4 31. f3 a3 32. Rb3 Ra4 33. Kf2 Rc2+ 34. Ke3 Rb2 35. Rxb2 axb2 36. Rb1 Ra3+ 37. Ke2 Ra2 38. Kd1 Ra1 39. Kc2 Rxb1 40. Kxb1 Kg7 41. Kxb2 f5 42. exf5 gxf5 43. f4 Kg6 44. h3 h5 45. h4 Kf6 46. Kb3 e6 47. dxe6 Kxe6 48. Kxb4 Kd5 49. Kc3 Ke4 50. Kc4 d5+ 51. Kc3 d4+ 52. Kd2 d3 53. Kd1 Ke3 54. Ke1 d2+ 55. Kd1 Kd3 56. g4 fxg4 57. f5 g3 58. f6 g2 59. f7 g1Q# 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2018.06.03"]
[Round "7"]
[White "Hayashi, Kouki"]
[Black "Marin Filho, Max Ricardo"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1312"]
[PlyCount "37"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. cxd5 exd5 6. Bf4 Nbd7 7. e3 Be7 8. Bd3 0-0 9. h3 a6 10. 0-0 Re8 11. Re1 Nf8 12. e4 Ng6 13. Bh2 Bd6 14. Bxd6 Qxd6 15. e5 Qd8 16. exf6 Rxe1+ 17. Qxe1 Qxf6 18. Qe8+ Nf8 19. Bxh7+ 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2018.06.02"]
[Round "6"]
[White "Kojima, Rodrigo Yosuke"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1442"]
[BlackElo "1312"]
[PlyCount "91"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. e3 Be7 5. h3 0-0 6. Bd3 Nbd7 7. 0-0 b6 8. c4 Bb7 9. Nbd2 c5 10. Qc2 Rc8 11. b3 b5 12. Rac1 bxc4 13. bxc4 dxc4 14. Nxc4 h6 15. Qb2 Bxf3 16. gxf3 cxd4 17. exd4 Nb6 18. Nxb6 Qxb6 19. Qxb6 axb6 20. Be4 Rfd8 21. Be5 Bd6 22. Rxc8 Rxc8 23. Bxd6 Rc4 24. Rd1 Ra4 25. a3 Nd5 26. Bxd5 exd5 27. Bb4 Ra7 28. Rc1 f6 29. Rc6 Rb7 30. Rd6 Rc7 31. Rxd5 Rc1+ 32. Kg2 Rd1 33. Rd8+ Kf7 34. d5 g6 35. d6 Ke6 36. Rb8 Kf5 37. Rxb6 Kg5 38. Rb5+ f5 39. Bc5 Kh4 40. Rb4+ Kh5 41. Rd4 Re1 42. d7 g5 43. d8Q g4 44. fxg4+ fxg4 45. Rxg4 Rg1+ 46. Kf3 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2018.06.02"]
[Round "5"]
[White "Schultz, Rauanda"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "1583"]
[BlackElo "1312"]
[PlyCount "97"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 0-0 6. e3 Nbd7 7. Bd3 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. 0-0 Nxc3 11. bxc3 Bb7 12. e4 e5 13. Qc2 exd4 14. cxd4 c5 15. d5 Ne5 16. Nxe5 Qxe5 17. Rae1 Rad8 18. Qc4 Kh8 19. Re3 f5 20. Rd1 fxe4 21. Bxe4 Qf4 22. Qe2 Rf6 23. Rf3 Qg5 24. Rg3 Qe5 25. Qd3 Rfd6 26. f4 Qxf4 27. Rf3 Qe5 28. Rf5 Qe7 29. Rh5 h6 30. Qf3 Rf6 31. Rf5 Rdf8 32. d6 Qd7 33. Rxf6 Rxf6 34. Bxb7 Rxf3 35. Bxf3 Kg8 36. Bc6 Qd8 37. d7 Kf8 38. Re1 Qf6 39. Re8+ Kf7 40. d8Q Qxc6 41. Re7+ Kg6 42. Qd3+ Kf6 43. Rxa7 c4 44. Qc3+ Ke6 45. Rxg7 Qc5+ 46. Kh1 Qf5 47. Qxc4+ Kd6 48. Qc7+ Kd5 49. Qd7+ 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2018.06.01"]
[Round "3"]
[White "Hayashi, Kouki"]
[Black "Farias, Sergio Luiz Cardoso"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1312"]
[BlackElo "1592"]
[PlyCount "95"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 e6 4. Nf3 a6 5. Bf4 dxc4 6. Qa4+ b5 7. Nxb5 axb5 8. Qxa8 Bb4+ 9. Nd2 Bd7 10. Qf3 Bc6 11. Qg3 0-0 12. e3 Ne4 13. Qg4 Bxd2+ 14. Ke2 Bb4 15. f3 Nf6 16. Qh3 Bd7 17. g4 Nc6 18. b3 Nd5 19. Bg3 Qg5 20. f4 Qf6 21. Bg2 Nxd4+ 22. exd4 Qxd4 23. Bxd5 Qd2+ 24. Kf1 Qxd5 25. Qg2 Qxg2+ 26. Kxg2 Bc6+ 27. Kf2 Bxh1 28. Rxh1 c3 29. Rc1 Ba5 30. Kg2 b4 31. Rd1 c5 32. Bf2 Rd8 33. Rxd8+ Bxd8 34. Bxc5 c2 35. Be3 Bb6 36. Bd2 f6 37. Kf3 Bd4 38. Ke4 Bc3 39. Kd3 Bb2 40. Kxc2 Ba3 41. Kd3 Kf7 42. Kc4 Ke7 43. Bxb4+ Bxb4 44. Kxb4 Kd6 45. Kc4 g5 46. fxg5 fxg5 47. Kd4 h6 48. a4 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2018.06.01"]
[Round "4"]
[White "Hayashi, Kouki"]
[Black "Giacomel, Alexandre"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1312"]
[BlackElo "1568"]
[PlyCount "62"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 a6 5. Bf4 dxc4 6. Qa4+ b5 7. Nxb5 Bd7 8. Nxc7+ Qxc7 9. Bxc7 Bxa4 10. e3 Bb4+ 11. Nd2 c3 12. bxc3 Bxc3 13. Rc1 Bxd2+ 14. Kxd2 Nbd7 15. Bd3 0-0 16. Bf4 Nd5 17. Bg3 Rfc8 18. Rb1 Nc3 19. Rb2 Bb5 20. Bc2 Nf6 21. f3 Rc6 22. Bd3 Rac8 23. Bxb5 Nxb5 24. Re1 Na3 25. Re2 Nc4+ 26. Kc2 Nxb2+ 27. Kxb2 Rb6+ 28. Ka3 Nd5 29. Rb2 Rc3+ 30. Rb3 Rxe3 31. Rxe3 Nxe3 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2018.05.31"]
[Round "1"]
[White "Cincotto, Fabio Henrique"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "1578"]
[BlackElo "1312"]
[PlyCount "39"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. g4 Nc6 9. g5 Ng4 10. Bxg4 Bxg4 11. Qxg4 Nxd4 12. 0-0-0 Nc6 13. h4 Qa5 14. h5 Bxc3 15. bxc3 Qxc3 16. hxg6 fxg6 17. Qe6+ Rf7 18. Rxh7 Kxh7 19. Qxf7+ Qg7 20. Rh1# 1-0

[Event "BRA-ch U14"]
[Site "Florianopolis"]
[Date "2018.05.01"]
[Round "6"]
[White "Hayashi, Kouki"]
[Black "Kojima, Rodrigo Yosuke"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1282"]
[BlackElo "1514"]
[PlyCount "99"]
[EventDate "2018.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Bf5 6. Bf4 e6 7. e3 a6 8. Bd3 Bg4 9. 0-0 Be7 10. h3 Bh5 11. Rc1 Nc6 12. Be2 0-0 13. Ne5 Bxe2 14. Qxe2 Nxe5 15. Bxe5 Bd6 16. Rfd1 Bxe5 17. dxe5 Nd7 18. f4 Nb6 19. b3 Qe7 20. e4 Rfd8 21. exd5 Nxd5 22. Nxd5 Rxd5 23. Rxd5 exd5 24. Rd1 Rd8 25. Qf3 Qd7 26. Rd4 b5 27. Qc3 Rc8 28. Rxd5 Qa7+ 29. Qd4 Qxd4+ 30. Rxd4 g6 31. Rd6 Ra8 32. Kh2 a5 33. a4 bxa4 34. bxa4 Kf8 35. Kg3 Ke7 36. Kg4 h6 37. f5 Rc8 38. fxg6 Rc4+ 39. Kh5 f6 40. g7 Kf7 41. Rd7+ Kg8 42. exf6 Rxa4 43. Rd8+ Kf7 44. g8Q+ Kxf6 45. Qf8+ Ke6 46. Qe8+ Kf6 47. Qxa4 Ke7 48. Qd7+ Kf6 49. Qd5 Kg7 50. Qc6 1-0

[Event "BRA-ch U14"]
[Site "Florianopolis"]
[Date "2018.04.30"]
[Round "5"]
[White "Hayashi, Kouki"]
[Black "Sato, Luiz Henrique Yuzo"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1282"]
[BlackElo "1411"]
[PlyCount "96"]
[EventDate "2018.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 b6 6. e3 Bb7 7. Be2 dxc4 8. Bxc4 0-0 9. 0-0 c5 10. Rc1 Nbd7 11. Nb5 Ne4 12. Bd3 Ndf6 13. Nc3 Rc8 14. Nxe4 Nxe4 15. Nd2 Nxd2 16. Qxd2 Qd5 17. f3 cxd4 18. Be4 dxe3 19. Qxe3 Qd7 20. Rfd1 Rxc1 21. Qxc1 Bc5+ 22. Kh1 Qe7 23. Bxb7 Qxb7 24. Bd6 Bxd6 25. Rxd6 Re8 26. Qd1 Qc7 27. h3 h6 28. Rd7 Qf4 29. Rd8 Rxd8 30. Qxd8+ Kh7 31. Qd3+ g6 32. Qa3 a5 33. Qb3 Qb4 34. Qc2 Qc5 35. Qb3 b5 36. Qd1 Qd5 37. Qxd5 exd5 38. Kg1 Kg7 39. Kf2 Kf6 40. Ke3 Ke5 41. f4+ Ke6 42. Kd4 Kd6 43. a3 h5 44. g4 hxg4 45. hxg4 f5 46. gxf5 gxf5 47. b4 axb4 48. axb4 Ke6 1/2-1/2

[Event "BRA-ch U14"]
[Site "Florianopolis"]
[Date "2018.04.30"]
[Round "4"]
[White "Silva, Dimitry Wagner de C"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "B70"]
[BlackElo "1282"]
[PlyCount "52"]
[EventDate "2018.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 0-0 8. f3 Nc6 9. h3 Nh5 10. g4 Ng3 11. Kf2 Nxf1 12. Kxf1 Nxd4 13. Bd3 f5 14. Bc4+ Kh8 15. Be3 Nc6 16. Qe1 fxg4 17. hxg4 Bxg4 18. Kg1 Bxf3 19. Kf2 Qd7 20. Qg1 Bd4 21. Re1 Bd1+ 22. Kg2 Qg4+ 23. Kh2 Qh4+ 24. Kg2 Bf3+ 25. Kf1 Qh3+ 26. Kf2 Bd1+ 0-1

[Event "BRA-ch U14"]
[Site "Florianopolis"]
[Date "2018.04.29"]
[Round "3"]
[White "Hayashi, Kouki"]
[Black "Funayama S A, Yuri"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1282"]
[BlackElo "1504"]
[PlyCount "66"]
[EventDate "2018.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 0-0 6. e3 Nbd7 7. Be2 dxc4 8. Bxc4 Nb6 9. Bb3 Bd6 10. Bxd6 Qxd6 11. 0-0 c6 12. Qd3 Re8 13. Ne4 Nxe4 14. Qxe4 Nd7 15. Bc2 Nf8 16. Ng5 Qd5 17. Nf3 Qxe4 18. Bxe4 Nd7 19. Rab1 Nf6 20. Bd3 Bd7 21. Ne5 Rad8 22. Nxd7 Rxd7 23. b4 a6 24. a4 b5 25. Rfc1 Rd6 26. Rc2 Nd5 27. axb5 cxb5 28. Be4 Nb6 29. Ra1 e5 30. Rxa6 exd4 31. Bc6 d3 32. Be4 dxc2 33. Bxc2 Rc8 0-1

[Event "BRA-ch U14"]
[Site "Florianopolis"]
[Date "2018.04.28"]
[Round "2"]
[White "De Vasconcellos, Natan de Mattia"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1723"]
[BlackElo "1282"]
[PlyCount "83"]
[EventDate "2018.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bd3 Bg7 7. 0-0 0-0 8. Re1 Nc6 9. Be3 Ng4 10. Nxc6 Nxe3 11. Nxe7+ Qxe7 12. Rxe3 Bd4 13. Re2 Bg4 14. Nd5 Qe5 15. c3 Bc5 16. b4 Bb6 17. Nxb6 Bxe2 18. Bxe2 axb6 19. Qd3 Ra3 20. Qd4 Rxc3 21. Qxe5 dxe5 22. Bg4 Rc4 23. f3 Rxb4 24. Rc1 Rd8 25. h3 Rb2 26. a4 Rdd2 27. g3 Rg2+ 28. Kf1 Rgf2+ 29. Kg1 Rg2+ 30. Kf1 Rxg3 31. Ra1 Rbg2 32. Re1 Rg1+ 33. Ke2 R3g2+ 34. Kd3 Rxe1 35. Kc4 Rd2 36. Kc3 Ra2 37. Bd7 Re3+ 38. Kc4 Rxf3 39. Kd5 Rd3+ 40. Kxe5 Rxd7 41. Kf4 Rxa4 42. Kf3 0-1

[Event "BRA-ch U14"]
[Site "Florianopolis"]
[Date "2018.04.28"]
[Round "1"]
[White "Hayashi, Kouki"]
[Black "Da Silva, Anderson Lemes"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1282"]
[BlackElo "1666"]
[PlyCount "54"]
[EventDate "2018.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Be7 4. Nf3 d5 5. Bf4 0-0 6. e3 b6 7. cxd5 Nxd5 8. Nxd5 exd5 9. Rc1 c5 10. Bb5 a6 11. Ba4 b5 12. Bb3 c4 13. Bc2 Qa5+ 14. Qd2 Bb4 15. Bxh7+ Kxh7 16. Rc3 Bxc3 17. bxc3 Bf5 18. h4 Rh8 19. h5 Kg8 20. h6 Qb6 21. Rh5 Be4 22. Ne5 gxh6 23. Qe2 Qe6 24. f3 Bg6 25. Nxg6 fxg6 26. Re5 Qf7 27. Qf2 Nd7 0-1

[Event "Sao Paulo op-C U1700 7th"]
[Site "Sao Paulo"]
[Date "2018.04.01"]
[Round "5"]
[White "Hayashi, Kouki"]
[Black "Tieri, Andre Baranowski"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "1282"]
[BlackElo "1411"]
[PlyCount "57"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. Bg5 Be7 6. e3 c6 7. Be2 e4 8. Nd2 d5 9. 0-0 0-0 10. f3 Qb6 11. cxd5 cxd5 12. Bxf6 Nxf6 13. fxe4 Qxb2 14. Nxd5 Nxd5 15. exd5 Bg5 16. Rf3 Re8 17. Nc4 Qc3 18. Rc1 Qb4 19. Rg3 Bh6 20. Qf1 b5 21. Ne5 f6 22. Qxf6 Bxe3+ 23. Kh1 Re7 24. Nc6 Rf7 25. Qxf7+ Kxf7 26. Rf1+ Kg8 27. Nxb4 Bxd4 28. Nc6 Bf6 29. Rxf6 1-0

[Event "Sao Paulo op-C U1700 7th"]
[Site "Sao Paulo"]
[Date "2018.04.01"]
[Round "6"]
[White "Hoshino, Meilin"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1546"]
[BlackElo "1282"]
[PlyCount "55"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. e3 e5 4. dxe5 Nxe5 5. cxd5 Nf6 6. Nc3 Bb4 7. Qa4+ c6 8. Qxb4 Nxd5 9. Nxd5 Qxd5 10. Qd2 Qe6 11. b3 0-0 12. Bb2 b6 13. Ne2 c5 14. Qc3 f6 15. Nf4 Qf5 16. Rd1 Bb7 17. Bc4+ Kh8 18. Bd5 Bxd5 19. Nxd5 Rad8 20. 0-0 Rxd5 21. Rxd5 Nf3+ 22. gxf3 Qxd5 23. e4 Qg5+ 24. Kh1 f5 25. Rg1 Qf6 26. Qxf6 gxf6 27. exf5 Rf7 28. h4 1-0

[Event "Sao Paulo op-C U1700 7th"]
[Site "Sao Paulo"]
[Date "2018.03.31"]
[Round "3"]
[White "Hayashi, Kouki"]
[Black "Maachar, Sami Hiedeo Akamine"]
[Result "1-0"]
[ECO "D63"]
[WhiteElo "1282"]
[BlackElo "1784"]
[PlyCount "55"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 a6 5. Bg5 Nbd7 6. e3 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. 0-0 Be7 10. Rc1 0-0 11. a3 c5 12. dxc5 Bxc5 13. Bd3 Be7 14. Qc2 Rc8 15. Rfd1 Re8 16. Bxf6 Bxf6 17. Bxh7+ Kh8 18. Be4 Bxe4 19. Qxe4 Qe7 20. Qb7 Nc5 21. Qxe7 Rxe7 22. Ne4 Bxb2 23. Rxc5 Rxc5 24. Nxc5 a5 25. a4 b4 26. Nb3 Rc7 27. Nxa5 Rc3 28. Ng5 1-0

[Event "Sao Paulo op-C U1700 7th"]
[Site "Sao Paulo"]
[Date "2018.03.31"]
[Round "4"]
[White "Valcarcel, Marianne Barbosa"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1195"]
[BlackElo "1282"]
[PlyCount "50"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 g6 5. 0-0 Bg7 6. d4 cxd4 7. Nxd4 0-0 8. f4 Nc6 9. h3 Bd7 10. Nxc6 Bxc6 11. e5 dxe5 12. fxe5 Nd7 13. e6 Ne5 14. exf7+ Nxf7 15. Be3 Qc7 16. Bd5 Rfd8 17. Qf3 Bxc3 18. Bxf7+ Kh8 19. Qf2 Bxb2 20. Rab1 Be5 21. Bxa7 Bd5 22. Bb6 Qc4 23. Bxd8 Bd4 24. Bxd5 Qxd5 25. Bxe7 Bxf2+ 0-1

[Event "Sao Paulo op-C U1700 7th"]
[Site "Sao Paulo"]
[Date "2018.03.30"]
[Round "2"]
[White "Batista, Bruno Leopoldino Di"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "A08"]
[BlackElo "1282"]
[PlyCount "67"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. d3 Nf6 3. g3 e6 4. Bg2 Bd6 5. 0-0 0-0 6. Nbd2 c5 7. Re1 Nc6 8. e4 b5 9. e5 Nxe5 10. Nxe5 Bxe5 11. Rxe5 Qd6 12. Nf3 Bb7 13. Bf4 Qd7 14. c4 bxc4 15. dxc4 Rac8 16. Bg5 Ng4 17. Re1 h6 18. h3 Nxf2 19. Kxf2 hxg5 20. Nxg5 Rfd8 21. Qh5 g6 22. Qh7+ Kf8 23. cxd5 Bxd5 24. Bxd5 Qc7 25. Nxe6+ fxe6 26. Qh8+ Kf7 27. Bxe6+ Ke7 28. Bxc8+ Kd6 29. Re6+ Kd5 30. Rd1+ Kc4 31. Qc3+ Kb5 32. a4+ Kxa4 33. b3+ Kb5 34. Ba6# 1-0

[Event "Sao Paulo op-C U1700 7th"]
[Site "Sao Paulo"]
[Date "2018.03.30"]
[Round "1"]
[White "Hayashi, Kouki"]
[Black "Francelli, Derli"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1282"]
[BlackElo "1617"]
[PlyCount "84"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 Be7 6. e3 0-0 7. Be2 dxc4 8. Bxc4 b6 9. 0-0 h6 10. Bf4 Bb7 11. Rc1 Rc8 12. Bb3 Nh5 13. Be5 Nhf6 14. Nb5 Nxe5 15. dxe5 Qxd1 16. Rfxd1 Bxf3 17. gxf3 Nd5 18. Bxd5 exd5 19. Rxd5 c6 20. Nxa7 cxd5 21. Nxc8 Bc5 22. Rd1 Rxc8 23. Rxd5 Rc6 24. Rd8+ Bf8 25. Rb8 f6 26. exf6 Rxf6 27. Kg2 Kh7 28. a4 Rg6+ 29. Kh3 Bc5 30. Ra8 Rd6 31. a5 bxa5 32. Rxa5 Bb4 33. Rb5 Be1 34. Kg2 Rd2 35. Kf1 Bxf2 36. e4 Bh4 37. Rh5 Bg5 38. b4 Rb2 39. h4 Kg6 40. hxg5 Kxh5 41. e5 Rxb4 42. e6 Kxg5 0-1

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2018.02.13"]
[Round "7"]
[White "Caporale, Giuseppe Guido"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "1700"]
[BlackElo "1325"]
[PlyCount "53"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 dxe5 8. fxe5 Nfd7 9. e6 Ne5 10. Bb5+ Nbc6 11. exf7+ Kf8 12. Be3 Nxd4 13. Bxd4 Nf3+ 14. Qxf3 Bxd4 15. 0-0-0 Qb6 16. Qd3 e5 17. Nd5 Qd6 18. Ne3 Be6 19. c3 Rc8 20. Kb1 a6 21. Be8 Rd8 22. cxd4 exd4 23. Rhf1 Ke7 24. Qe4 Qb6 25. Qh4+ Kd6 26. Rxd4+ Kc7 27. Qxd8# 1-0

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2018.02.12"]
[Round "5"]
[White "Hayashi, Kouki"]
[Black "Brujin, Homero"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "1325"]
[BlackElo "1495"]
[PlyCount "66"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. Nc3 d5 5. e3 Nc6 6. cxd5 exd5 7. Bb5 Bd7 8. 0-0 a6 9. Bxc6 Bxc6 10. b3 c4 11. bxc4 dxc4 12. Ne5 Bb5 13. a4 Bd7 14. Nxc4 Rc8 15. Qd3 Qc7 16. Ne4 Qxc4 17. Nxf6+ gxf6 18. Qe4+ Be7 19. Ba3 Qe6 20. Qxb7 Bxa3 21. Rxa3 Qc6 22. Rb3 Qxb7 23. Rxb7 Bxa4 24. Rb6 Bb5 25. Rb1 f5 26. Rf6 0-0 27. Ra1 Bd3 28. h3 Rc7 29. Rh6 Kg7 30. Rd6 Bb5 31. Rd5 Kg6 32. Re5 Rfc8 33. e4 f4 1/2-1/2

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2018.02.12"]
[Round "6"]
[White "Ribeiro, Cesar Augusto Basag"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1325"]
[PlyCount "74"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. c3 Be7 5. Nf3 0-0 6. Bd3 Nbd7 7. Qc2 c5 8. Nbd2 b6 9. h3 Bb7 10. Ng5 h6 11. Ngf3 cxd4 12. Nxd4 a6 13. 0-0-0 b5 14. Rh2 Rc8 15. Rdh1 b4 16. Qb1 bxc3 17. bxc3 Rxc3+ 18. Bc2 Qc8 19. Ne2 Rc5 20. Nb3 Rb5 21. Ned4 Rb6 22. h4 Nc5 23. Rh3 Nxb3+ 24. axb3 Ne4 25. f3 Nf2 26. Kd2 Nxh3 27. Rxh3 Bb4+ 28. Ke2 f6 29. Bh7+ Kh8 30. Rg3 Rf7 31. Qg6 Qe8 32. Nc2 Bc3 33. Ne1 Rxb3 34. Qc2 Rb2 35. Kd1 Rxc2 36. Kxc2 Qc6 37. Bd3 Bxe1+ 0-1

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2018.02.11"]
[Round "4"]
[White "Amorin, Gabriel Ferrante"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1031"]
[BlackElo "1325"]
[PlyCount "81"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. f3 Nc6 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. Qe2 a5 13. a3 Qc7 14. g4 Nc4 15. g5 Nh5 16. Nd5 Qc5 17. Nxe7+ Kh8 18. Nxc8 Rxc8 19. Bxc4 Qxc4 20. Qxc4 Rxc4 21. Nb3 Ba4 22. Kb1 Rc6 23. Bd4 Nf4 24. Bxg7+ Kxg7 25. Nd4 Rb6 26. b3 Bd7 27. Rhe1 Nh3 28. e5 d5 29. Ne2 Be6 30. f4 a4 31. b4 Rc6 32. Nd4 Rc4 33. Rf1 Bg4 34. Rd3 Kg8 35. Kb2 h5 36. gxh6 Kh7 37. Rg3 Bd7 38. c3 Kxh6 39. Rff3 Nxf4 40. Rxf4 Kg7 41. Rh3 1-0

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2018.02.11"]
[Round "3"]
[White "Hayashi, Kouki"]
[Black "Gabriel, Claudiomar"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1325"]
[BlackElo "1574"]
[PlyCount "78"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nf6 6. Bg5 Nc6 7. e3 0-0 8. Be2 Qa5 9. Bxf6 Bxf6 10. 0-0 Qb6 11. Nxc6 bxc6 12. Qc2 d6 13. Na4 Qb7 14. c5 d5 15. Rab1 Qb4 16. Bd3 Qh4 17. Nc3 Qg5 18. Kh1 Qh6 19. Ne2 Rb8 20. Nd4 Bd7 21. Qa4 Rb7 22. Nxc6 Rc7 23. Bb5 Bxc6 24. Bxc6 Rfc8 25. Bxd5 Rxc5 26. Bb3 Rh5 27. h3 Kg7 28. Qxa7 Rcc5 29. Qd7 Rcf5 30. Kh2 Qg5 31. Qa4 Rh4 32. f4 Be5 33. g3 Qg4 34. gxh4 Qe2+ 35. Kh1 Qxe3 36. Qc6 Qxh3+ 37. Kg1 Bd4+ 38. Rf2 Rxf4 39. Rbf1 Rg4+ 0-1

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2018.02.10"]
[Round "1"]
[White "Hayashi, Kouki"]
[Black "Ichimura G Barbosa, Larissa Yuki"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1325"]
[BlackElo "1934"]
[PlyCount "40"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. Be2 Be6 9. b3 Ne4 10. Nxe4 dxe4 11. Be3 exf3 12. Bxf3 Qc7 13. 0-0 Rd8 14. Qd2 Nc6 15. Rfd1 Nxd4 16. Bxd4 Rxd4 17. Qe3 Rad8 18. Rxd4 Bxd4 19. Qe1 Bxa1 20. Qxa1 Rd2 0-1

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2018.02.10"]
[Round "2"]
[White "Itagyba, Renan Fortes"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1712"]
[BlackElo "1325"]
[PlyCount "69"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. Re1 g6 7. c4 Bg7 8. d4 cxd4 9. Nxd4 Nc6 10. Nc2 0-0 11. Nc3 Rac8 12. f3 Rfd8 13. Be3 Ne5 14. b3 a6 15. Na4 Qe8 16. Bb6 Rd7 17. Qd2 Nc6 18. Rad1 Nd8 19. Nb4 Ne6 20. Nd5 Nxd5 21. exd5 Nc5 22. Bxc5 dxc5 23. Nb6 Rcc7 24. Nxd7 Rxd7 25. Kh1 b5 26. Qa5 Qb8 27. Qxa6 bxc4 28. Qxc4 Bd4 29. a4 Rb7 30. Rb1 Rb4 31. Qd3 Rb7 32. Qe4 Rxb3 33. Rxb3 Qxb3 34. Qxe7 Qxd5 35. Rb1 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.15"]
[Round "7"]
[White "Olivo, Anibal Ribeiro"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1595"]
[BlackElo "1282"]
[PlyCount "18"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Ng4 8. Bf4 e5 9. Nf5 gxf5 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.14"]
[Round "6"]
[White "Hayashi, Kouki"]
[Black "De Paula, Bruno Cesar Lima"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "1282"]
[PlyCount "57"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 f5 6. Nf3 Nf6 7. Bg5 Bd6 8. e3 0-0 9. Bd3 Qe8 10. Bxf6 Rxf6 11. 0-0 Nd7 12. Qc2 Qh5 13. Rab1 Bxh2+ 14. Nxh2 Rh6 15. f3 Qxh2+ 16. Kf2 Rg6 17. Rg1 Nb6 18. Bxf5 Bxf5 19. Qxf5 Rf8 20. Qh3 Qd6 21. Rbc1 Qe7 22. b3 Qa3 23. Rc2 a5 24. Qh2 a4 25. Rb1 Qe7 26. Nxa4 Re8 27. Re2 Nxa4 28. bxa4 Rf8 29. Rb3 1/2-1/2

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.14"]
[Round "5"]
[White "Santos, Josef De Jesus"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "1282"]
[PlyCount "73"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d3 d6 3. f4 Nc6 4. Nf3 Nf6 5. h3 g6 6. Nc3 Bg7 7. Be3 0-0 8. Qd2 Bd7 9. 0-0-0 Rb8 10. g4 b5 11. f5 b4 12. Ne2 Re8 13. Bh6 Bh8 14. fxg6 fxg6 15. g5 Nh5 16. Nf4 Nxf4 17. Qxf4 Qa5 18. Kb1 b3 19. axb3 Nb4 20. h4 Qa2+ 21. Kc1 Qxb2+ 22. Kd2 Qxc2+ 23. Ke3 Bd4+ 24. Nxd4 cxd4+ 25. Kf3 Qxd1+ 26. Kg3 Qxd3+ 27. Kh2 Rec8 28. Bg2 Qe2 29. Rf1 Be6 30. Rf2 Nd3 31. Qf8+ Rxf8 32. Rxe2 Rf2 33. Rxf2 Nxf2 34. h5 Ng4+ 35. Kg3 Nxh6 36. gxh6 gxh5 37. Kh4 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.13"]
[Round "4"]
[White "Hayashi, Kouki"]
[Black "De Amorim, Walter Rymundo"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1282"]
[BlackElo "1446"]
[PlyCount "69"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 0-0 6. e3 b6 7. Be2 Bb7 8. 0-0 Nbd7 9. b4 Qe8 10. a4 c5 11. bxc5 dxc5 12. d5 a6 13. Ra2 e5 14. a5 e4 15. Nd2 b5 16. Qc2 bxc4 17. Bxc4 Ne5 18. Bxf6 Bxf6 19. Ncxe4 Qd8 20. Nxf6+ Qxf6 21. e4 Qd6 22. Rb2 Rab8 23. Rfb1 Ba8 24. Qc3 Nd7 25. Rxb8 Rxb8 26. Rxb8+ Qxb8 27. Bxa6 Bb7 28. Bb5 Ne5 29. Qxc5 Ng4 30. g3 Qe5 31. h3 Qa1+ 32. Kg2 Ne5 33. Qe7 Qxa5 34. Qxb7 Qxd2 35. Qb8+ 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.13"]
[Round "3"]
[White "Nunes, Marcela Andreia Dia"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1554"]
[BlackElo "1282"]
[PlyCount "63"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 e5 5. Be2 Bxf3 6. Bxf3 e4 7. Be2 f5 8. Bd2 Nf6 9. Qb3 Rb8 10. cxd5 Ne7 11. Qa4+ Kf7 12. Qxa7 Nexd5 13. Qa4 g5 14. Nc3 Bb4 15. Bc4 Bxc3 16. Bxc3 h5 17. Qb3 g4 18. h4 gxh3 19. Rxh3 c6 20. Kd2 Qd7 21. Rah1 Rh6 22. Be2 Rbh8 23. Qd1 Ng4 24. Bxg4 fxg4 25. Rh4 Qf5 26. Ke2 Qe6 27. Qb3 b6 28. Kf1 Kg6 29. Qc2 Rf8 30. f3 Kg5 31. f4+ Rxf4+ 32. exf4+ 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.12"]
[Round "1"]
[White "Fontoura, Paulo Sergio"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1575"]
[BlackElo "1282"]
[PlyCount "41"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 e6 6. Bd3 Be7 7. f3 0-0 8. Nge2 Nc6 9. Be3 a6 10. 0-0 b5 11. Qd2 Bb7 12. Rad1 Nb4 13. Bb1 d5 14. e5 Nd7 15. Kh1 Nb6 16. b3 Qd7 17. f4 a5 18. f5 a4 19. f6 Bd8 20. Bh6 gxf6 21. exf6 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.12"]
[Round "2"]
[White "Hayashi, Kouki"]
[Black "De Souza, Carlos Alberto"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1282"]
[BlackElo "1539"]
[PlyCount "69"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d6 2. c4 c5 3. dxc5 Qa5+ 4. Nc3 Qxc5 5. e4 Nc6 6. Nd5 e6 7. Nc7+ Kd8 8. Nxa8 Bd7 9. Be3 Qb4+ 10. Qd2 Qxd2+ 11. Bxd2 Nf6 12. Bd3 Be7 13. Nf3 h6 14. 0-0 Kc8 15. b4 Kb8 16. b5 Nd8 17. b6 Kxa8 18. bxa7 Kxa7 19. Rab1 e5 20. Rb3 g5 21. Rd1 Kb8 22. Rdb1 g4 23. Nh4 Ne8 24. g3 Nc7 25. Ba5 Bc8 26. a4 Na6 27. Bb6 Nc6 28. c5 Nxc5 29. Bxc5 dxc5 30. Bb5 Nd4 31. R3b2 Nxb5 32. Rxb5 c4 33. Nf5 Bf8 34. Rc1 Be6 35. Rxe5 1-0

[Event "Aldeia de Barueri op"]
[Site "Aldeia de Barueri"]
[Date "2017.08.06"]
[Round "5"]
[White "Dos Santos Junior, Gabriel Ribeiro"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1761"]
[BlackElo "1296"]
[PlyCount "65"]
[EventDate "2017.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 e6 5. a3 Nf6 6. Nbd2 Bd6 7. Be2 0-0 8. 0-0 Re8 9. b4 a6 10. Bb2 Bf8 11. Re1 g6 12. Rc1 Bg7 13. Qb3 b6 14. cxd5 Ne7 15. dxe6 Bxe6 16. Bc4 Ned5 17. Qc2 Ra7 18. Ne5 Qd6 19. Bb3 Nd7 20. Ndc4 Qf8 21. e4 N5f6 22. d5 Bg4 23. f3 Bh5 24. g4 Nxe5 25. Nxe5 Nxg4 26. Nxg4 Bxg4 27. fxg4 Qd6 28. Bxg7 Kxg7 29. Qf2 a5 30. Rc6 Qd7 31. h3 axb4 32. axb4 Ra3 33. Qb2+ 1-0

[Event "Aldeia de Barueri op"]
[Site "Aldeia de Barueri"]
[Date "2017.08.06"]
[Round "6"]
[White "Hayashi, Kouki"]
[Black "Davanso, Joao Pedro"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1296"]
[BlackElo "1557"]
[PlyCount "109"]
[EventDate "2017.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 0-0 5. Nf3 d6 6. e3 Nbd7 7. Be2 e5 8. 0-0 h6 9. Bh4 g5 10. Bg3 Nh5 11. Qd3 f5 12. dxe5 dxe5 13. Qd5+ Kh8 14. Bxe5 g4 15. Bxg7+ Nxg7 16. Ne5 Nxe5 17. Qxe5 Be6 18. Rfd1 Qg5 19. Qxc7 Rf7 20. Qe5 Re8 21. Qd4 a6 22. c5 Bd7 23. b4 Ref8 24. f4 gxf3 25. Bxf3 Bc6 26. Bxc6 bxc6 27. Qf4 Qf6 28. Rac1 Ne6 29. Qf3 Ng5 30. Qf4 Ne6 31. Qg3 Rg7 32. Qd6 Rfg8 33. Rd2 Rd8 34. Qxe6 Qxe6 35. Rxd8+ Rg8 36. Rxg8+ Kxg8 37. Re1 Qc4 38. Rc1 Qxb4 39. Ne2 Qb2 40. Kf2 Qxa2 41. Rd1 Qa5 42. Rc1 Qd2 43. Ra1 a5 44. Ra4 Kf7 45. Rh4 Kg6 46. Ra4 Kg5 47. g3 h5 48. Ra3 Qb4 49. Rc3 a4 50. Rc2 a3 51. Nc1 Qb1 52. Rc4 a2 53. Rd4 a1Q 54. Rd6 Qxc1 55. Kg2 0-1

[Event "Aldeia de Barueri op"]
[Site "Aldeia de Barueri"]
[Date "2017.08.05"]
[Round "4"]
[White "Hayashi, Kouki"]
[Black "Amaral, Danilo Tokechi"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "1296"]
[PlyCount "65"]
[EventDate "2017.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 0-0 6. e3 c6 7. Bd3 Nbd7 8. 0-0 Qa5 9. Qc2 h6 10. Bh4 c5 11. cxd5 Nxd5 12. Nxd5 exd5 13. a3 c4 14. Bh7+ Kh8 15. axb4 Qxb4 16. Bf5 Nb6 17. Bxc8 Raxc8 18. Rxa7 c3 19. Ra2 cxb2 20. Qxb2 Qc4 21. Ra7 Na4 22. Qxb7 Nc3 23. Be7 Ne2+ 24. Kh1 Ng3+ 25. hxg3 Qxf1+ 26. Kh2 Rg8 27. Qxd5 Qxf2 28. Qxf7 Ra8 29. Rd7 Qa2 30. Qg6 Ra6 31. Rd6 Rxd6 32. Qxd6 Qe2 33. Qg6 1-0

[Event "Aldeia de Barueri op"]
[Site "Aldeia de Barueri"]
[Date "2017.08.04"]
[Round "2"]
[White "Tamarozi, Isabelle"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B74"]
[WhiteElo "1937"]
[BlackElo "1296"]
[PlyCount "67"]
[EventDate "2017.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. Nb3 Nc6 9. f4 Bd7 10. 0-0 a6 11. a4 Rb8 12. a5 Be6 13. Bb6 Qc8 14. Nd2 Nd7 15. Be3 Qc7 16. f5 Bxf5 17. exf5 Nxa5 18. Nd5 Qd8 19. Rxa5 Qxa5 20. Nxe7+ Kh8 21. Nc4 Qc7 22. Nd5 Qc6 23. f6 Nxf6 24. Nxf6 Rbd8 25. Nd5 b5 26. Bd4 Rd7 27. Bxg7+ Kxg7 28. Qd4+ Kh6 29. Qf4+ Kg7 30. Qf6+ Kg8 31. Ne7+ Rxe7 32. Qxe7 Rc8 33. Nxd6 Qd5 34. c4 1-0

[Event "BRA-ch U14"]
[Site "Brasilia"]
[Date "2017.04.23"]
[Round "6"]
[White "Szuba, Joao Gabriel Muniz"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "1569"]
[BlackElo "1247"]
[PlyCount "40"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Be3 Nc6 9. f4 d5 10. e5 Ne4 11. Qe1 Nxc3 12. bxc3 Bf5 13. Nxf5 gxf5 14. Bd3 e6 15. Bf2 Rc8 16. Bh4 Qb6+ 17. Kh1 Na5 18. Qg3 Kh8 19. Be2 Qb2 20. Rf3 Qxa1+ 0-1

[Event "BRA-ch U14"]
[Site "Brasilia"]
[Date "2017.04.22"]
[Round "3"]
[White "Da Veiga, Pedro Miguel Back"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1743"]
[BlackElo "1247"]
[PlyCount "37"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 d6 5. e3 Bxc3 6. dxc3 Nc6 7. Ne2 0-0 8. Bd2 Be6 9. b3 Qd7 10. 0-0 Bh3 11. Re1 Bxg2 12. Kxg2 Qf5 13. f4 Qe4+ 14. Kg1 Rfe8 15. Nc1 Re6 16. Qe2 Rae8 17. Qg2 Qxg2+ 18. Kxg2 exf4 19. gxf4 0-1

[Event "BRA-ch U14"]
[Site "Brasilia"]
[Date "2017.04.22"]
[Round "4"]
[White "Hayashi, Kouki"]
[Black "Arango, Pedro Esteban"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "1247"]
[BlackElo "1642"]
[PlyCount "86"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. dxc5 Qa5+ 4. Nc3 Qxc5 5. e4 g6 6. Nf3 d6 7. Be3 Qa5 8. Be2 Nxe4 9. Qa4+ Qxa4 10. Nxa4 Bg7 11. Bd3 Nf6 12. 0-0 Bg4 13. Nd4 Nc6 14. h3 Bd7 15. Nc3 0-0 16. a3 Rac8 17. Rfe1 Ne5 18. Rad1 Nxc4 19. Bxc4 Rxc4 20. Bg5 h6 21. Bh4 Re8 22. Bg3 Nh5 23. Re4 Nxg3 24. fxg3 Bc6 25. Nxc6 Rxe4 26. Nxe4 bxc6 27. b3 Rb8 28. Nd2 Bc3 29. b4 Bxd2 30. Rxd2 Kg7 31. Rc2 Rb6 32. Kf2 Kf6 33. Kf3 c5 34. Rc4 cxb4 35. axb4 d5 36. Rd4 Ke5 37. Ke3 f5 38. g4 e6 39. b5 Rxb5 40. Ra4 a5 41. Kf3 d4 42. Kg3 d3 43. gxf5 exf5 0-1

[Event "BRA-ch U14"]
[Site "Brasilia"]
[Date "2017.04.21"]
[Round "1"]
[White "De Borba, Gabriel"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "1888"]
[BlackElo "1247"]
[PlyCount "43"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d5 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. f4 Nc6 9. Nb3 Bd7 10. g4 a6 11. g5 Ne8 12. Qd3 b5 13. 0-0-0 f6 14. h4 b4 15. Nxd5 Rc8 16. Bb6 Nc7 17. Bxc7 Rxc7 18. Nxc7 Qxc7 19. Qd5+ Kh8 20. h5 Rc8 21. hxg6 e6 22. Qxd7 1-0

[Event "BRA-ch U14"]
[Site "Brasilia"]
[Date "2017.04.21"]
[Round "2"]
[White "Hayashi, Kouki"]
[Black "Oliveira, Arthur Marquez"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "1247"]
[BlackElo "1759"]
[PlyCount "77"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nf6 5. Nc3 Nc6 6. Nf3 e6 7. Bc4 Bb4 8. Be3 0-0 9. Qc2 h6 10. 0-0 Re8 11. a3 Ba5 12. e5 Nd5 13. b4 Nxe3 14. fxe3 Bb6 15. a4 Nxb4 16. Qb3 Nc6 17. Bb5 Bd7 18. Bxc6 Bxc6 19. a5 Bxf3 20. Rxf3 Bxd4 21. exd4 Qxd4+ 22. Kh1 Qxe5 23. Raf1 Rf8 24. Qb4 b6 25. axb6 cxb6 26. h3 Qc5 27. Qb2 Rac8 28. Qa1 Qe5 29. Qa3 Rc7 30. Qb4 f6 31. Nb5 a5 32. Qb1 Rc5 33. Na3 Rfc8 34. Qxb6 Rc1 35. Qa6 Rxf1+ 36. Rxf1 Rd8 37. Nb5 Qe2 38. Rg1 Rd5 39. Rb1 1/2-1/2

[Event "Sao Paulo op-C U1700 6th"]
[Site "Sao Paulo"]
[Date "2017.04.16"]
[Round "5"]
[White "Farias, Vitor Furtado"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1636"]
[BlackElo "1247"]
[PlyCount "65"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. Nf3 Nf6 4. e3 Bg4 5. h3 Bh5 6. c4 e6 7. Be2 Bb4+ 8. Nbd2 0-0 9. a3 Bd6 10. Bxd6 Qxd6 11. c5 Qe7 12. Ne5 Bxe2 13. Nxc6 bxc6 14. Qxe2 e5 15. dxe5 Qxe5 16. Nf3 Qe7 17. b4 a5 18. 0-0 Rfb8 19. Nd4 Qd7 20. Rfb1 axb4 21. axb4 Rxa1 22. Rxa1 Rxb4 23. Ra8+ Ne8 24. Qg4 f5 25. Qg5 g6 26. Nxf5 Kf7 27. Nh6+ Kg7 28. Ng4 Re4 29. Qh6+ Kf7 30. Qxh7+ Ng7 31. Qg8+ Ke7 32. Qxg7+ Ke6 33. Qf6# 1-0

[Event "Sao Paulo op-C U1700 6th"]
[Site "Sao Paulo"]
[Date "2017.04.16"]
[Round "6"]
[White "Hayashi, Kouki"]
[Black "Da Rosa, Henrique Jaze Simoe"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1247"]
[BlackElo "1355"]
[PlyCount "65"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 e6 6. Bg5 Be7 7. e3 0-0 8. Bd3 Nc6 9. Qc2 Nb4 10. Qd2 Nxd3+ 11. Qxd3 b6 12. 0-0 Bb7 13. Rac1 Rc8 14. Nb5 a6 15. Nc3 Ne4 16. Bxe7 Qxe7 17. Rc2 Rc7 18. Rfc1 Rfc8 19. Na4 Qd6 20. Qb3 b5 21. Nc3 Nxc3 22. Rxc3 Rxc3 23. Rxc3 Rxc3 24. Qxc3 Qc6 25. Qa5 h6 26. b3 Kh8 27. Qd2 f6 28. h3 g5 29. Qd3 Kg7 30. Kh2 Qd6+ 31. g3 e5 32. Qc3 e4 33. Nd2 1/2-1/2

[Event "Sao Paulo op-C U1700 6th"]
[Site "Sao Paulo"]
[Date "2017.04.15"]
[Round "3"]
[White "Dutra, Liliam Guedes"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1531"]
[BlackElo "1247"]
[PlyCount "53"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. d5 Ne5 5. e4 Nf6 6. Bf4 Nd3+ 7. Bxd3 cxd3 8. Qxd3 e6 9. Rd1 Bb4 10. Qb5+ c6 11. Qxb4 exd5 12. exd5 cxd5 13. Nxd5 a5 14. Nxf6+ Qxf6 15. Qb5+ Qc6 16. Qxc6+ bxc6 17. Bd6 Ra6 18. Ne2 f6 19. 0-0 Kf7 20. Rfe1 Rd8 21. Nc3 Kg8 22. Bc5 Rxd1 23. Rxd1 Be6 24. a3 Ra8 25. Rd6 Re8 26. h3 Bd5 27. Nxd5 1-0

[Event "Sao Paulo op-C U1700 6th"]
[Site "Sao Paulo"]
[Date "2017.04.15"]
[Round "4"]
[White "Hayashi, Kouki"]
[Black "De Lima, Enzo Magalhaes"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1247"]
[BlackElo "1394"]
[PlyCount "83"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e4 b5 6. Bf4 Nf6 7. Be2 Nbd7 8. 0-0 Be7 9. Qc2 0-0 10. Rfd1 a6 11. d5 cxd5 12. exd5 exd5 13. Nxd5 Nxd5 14. Rxd5 Bb7 15. Rh5 g6 16. Rh3 Re8 17. Rd1 Bf8 18. Ng5 h6 19. Nf3 h5 20. Ng5 Bg7 21. Bxh5 gxh5 22. Qh7+ Kf8 23. Bd6+ Re7 24. Qxh5 Qe8 25. Re1 Bd5 26. Bxe7+ Qxe7 27. Rxe7 Kxe7 28. Re3+ Kf8 29. Nh7+ Kg8 30. Re2 Nb6 31. Ng5 Rd8 32. h4 b4 33. Re7 Nc8 34. Re2 Nb6 35. g4 c3 36. b3 Rc8 37. f4 c2 38. Qh7+ Kf8 39. Rxc2 Rxc2 40. Qxc2 Bd4+ 41. Kh2 Kg7 42. Qd3 1-0

[Event "Sao Paulo Salles Cup 11th"]
[Site "Sao Paulo"]
[Date "2017.03.26"]
[Round "6"]
[White "Brujin, Homero"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "1370"]
[BlackElo "1219"]
[PlyCount "65"]
[EventDate "2017.03.24"]
[EventType "swiss (blitz)"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. cxd5 exd5 5. g3 b6 6. Bg2 Bb7 7. 0-0 Be7 8. d4 0-0 9. Qc2 Nbd7 10. Rd1 c5 11. e3 Rc8 12. Bd2 cxd4 13. Nxd4 Ne5 14. b3 Ne4 15. Bh3 Rc7 16. Qb2 Qd6 17. Be1 Qh6 18. Bg2 Ng4 19. h3 Ne5 20. Nf5 Qe6 21. Nxe7+ Qxe7 22. Nxd5 Bxd5 23. Rxd5 Ng6 24. Rad1 Rfc8 25. Bxe4 Qxe4 26. Rd8+ Nf8 27. Qa3 h6 28. Qxf8+ Kh7 29. Qg8+ Kg6 30. R1d6+ Kf5 31. g4+ Kg5 32. Qxg7+ Kh4 33. f3+ 1-0

[Event "Sao Paulo Salles Cup 11th"]
[Site "Sao Paulo"]
[Date "2017.03.26"]
[Round "5"]
[White "Hayashi, Kouki"]
[Black "Maraz, Ricardo"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1219"]
[BlackElo "1618"]
[PlyCount "98"]
[EventDate "2017.03.24"]
[EventType "swiss (blitz)"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Bd2 0-0 5. g3 d5 6. cxd5 exd5 7. Bg2 c6 8. Nf3 Bf5 9. 0-0 Nbd7 10. a3 Be7 11. Re1 h6 12. Bf4 Re8 13. Qd2 Bf8 14. Nh4 Bh7 15. Nf3 a5 16. Na4 Ne4 17. Qc1 Rc8 18. Nd2 Ndf6 19. f3 Nd6 20. Bxd6 Bxd6 21. e4 dxe4 22. fxe4 Bxg3 23. hxg3 Qxd4+ 24. Kh1 Qxa4 25. e5 Ng4 26. Bh3 Nf2+ 27. Kh2 Nd3 28. Qc3 Rcd8 29. Re3 Rxe5 30. Rxe5 Nxe5 31. Qxe5 Rxd2+ 32. Kg1 Qd4+ 33. Qxd4 Rxd4 34. Re1 f5 35. Re7 Rd1+ 36. Bf1 b5 37. Ra7 a4 38. Rc7 Rc1 39. Rd7 Rb1 40. Rd2 c5 41. Rc2 c4 42. Rd2 f4 43. gxf4 Bd3 44. Rf2 Bxf1 45. Rxf1 Rxf1+ 46. Kxf1 Kf7 47. Kf2 Kf6 48. Kf3 Kf5 49. Kg3 g5 0-1

[Event "Sao Paulo Salles Cup 11th"]
[Site "Sao Paulo"]
[Date "2017.03.25"]
[Round "3"]
[White "Hayashi, Kouki"]
[Black "Takeda, Fernando"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1219"]
[BlackElo "1698"]
[PlyCount "68"]
[EventDate "2017.03.24"]
[EventType "swiss (blitz)"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bg5 Nc6 6. e3 e6 7. g3 h6 8. Bxf6 Qxf6 9. Bg2 Bb4 10. Nge2 0-0 11. 0-0 Bd7 12. a3 Be7 13. e4 dxe4 14. Nxe4 Qf5 15. Qd3 Rfd8 16. Rad1 Be8 17. Rd2 Ne5 18. Qb3 Bc6 19. dxe5 Bxe4 20. Bxe4 Qxe4 21. Rfd1 b6 22. Qc3 Qb7 23. Nd4 Bc5 24. b4 Bxd4 25. Rxd4 Rxd4 26. Qxd4 Rc8 27. Qd7 Qc7 28. Qa4 a5 29. Rd7 Qxe5 30. Rxf7 Rc1+ 31. Kg2 Kxf7 32. Qd7+ Kg6 33. Qe8+ Kh7 34. Qd8 Qd5+ 0-1

[Event "Sao Paulo Salles Cup 11th"]
[Site "Sao Paulo"]
[Date "2017.03.25"]
[Round "4"]
[White "Sato, Luiz Henrique Yuzo"]
[Black "Hayashi, Kouki"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1503"]
[BlackElo "1219"]
[PlyCount "188"]
[EventDate "2017.03.24"]
[EventType "swiss (blitz)"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. e3 Bd6 5. Bg3 0-0 6. Bd3 b6 7. Nbd2 Bb7 8. c3 c5 9. Qe2 cxd4 10. cxd4 Qe7 11. Rc1 Nbd7 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Bb4+ 15. Nd2 Bxd2+ 16. Kxd2 Qb4+ 17. Kc2 Rac8+ 18. Kb1 Bxe4+ 19. Qxe4 Nf6 20. Qb7 Rxc1+ 21. Rxc1 Qxd4 22. Qxa7 Rd8 23. Bc7 Rc8 24. Qxb6 Qd3+ 25. Ka1 Nd5 26. Qb7 Ne7 27. Bf4 Rxc1+ 28. Bxc1 Qc2 29. Qb8+ Nc8 30. Qf4 Qg6 31. Qc7 h6 32. Qxc8+ Kh7 33. a4 Qe4 34. Qd7 Qe5 35. Qxf7 Qe4 36. Qf4 Qc6 37. a5 Qc5 38. a6 Qa5+ 39. Kb1 Qxa6 40. Qe3 Qc6 41. f3 Qd6 42. Bd2 Qxh2 43. Qxe6 Qxg2 44. Qf5+ Kh8 45. Qf8+ Kh7 46. Bc3 Qg6+ 47. Ka2 Qe6+ 48. Kb1 Qg6+ 49. Ka1 Qa6+ 50. Qa3 Qf1+ 51. Ka2 Qxf3 52. Qe7 Qd5+ 53. Ka3 Qa8+ 54. Kb3 Qd5+ 55. Kc2 Qf5+ 56. Kd2 Qf2+ 57. Kd3 Qf3+ 58. Kd4 Qd1+ 59. Kc5 Qg1+ 60. Kd6 Qb6+ 61. Kd7 Qb7+ 62. Ke8 Qc8+ 63. Qd8 Qe6+ 64. Qe7 Qc8+ 65. Qd8 Qe6+ 66. Kf8 Qf5+ 67. Ke7 Qg5+ 68. Ke8 Qg6+ 69. Kd7 Qf5+ 70. Kc7 Qc5+ 71. Kb7 Qb5+ 72. Qb6 Qd7+ 73. Ka6 Qa4+ 74. Ba5 Qc4+ 75. Qb5 Qc8+ 76. Ka7 Qe6 77. b4 Qe7+ 78. Qb7 Qe3+ 79. Ka6 Qe2+ 80. b5 h5 81. Qc6 h4 82. Ka7 h3 83. b6 h2 84. b7 Qe3+ 85. Ka8 Qg1 86. Qe4+ Kh6 87. Bd2+ g5 88. Qe6+ Kh5 89. Qf7+ Kg4 90. Qe6+ Kh5 91. Qe2+ Kg6 92. Qe4+ Kh6 93. Qc6+ Kh5 94. Qe8+ Kg4 1/2-1/2

[Event "Sao Paulo Salles Cup 11th"]
[Site "Sao Paulo"]
[Date "2017.03.24"]
[Round "2"]
[White "Hayashi, Kouki"]
[Black "Gabriel, Claudiomar"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1219"]
[BlackElo "1589"]
[PlyCount "71"]
[EventDate "2017.03.24"]
[EventType "swiss (blitz)"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. Nf3 Nc6 5. Be3 Qb6 6. Nd5 Qd8 7. g3 e6 8. Nc3 Qb6 9. Nb5 Nce7 10. dxc5 Qc6 11. Nd6+ Kf8 12. Bg2 Bxb2 13. Rb1 Bc3+ 14. Kf1 Qc7 15. Ng5 h6 16. Ngxf7 Rh7 17. Qd3 Bf6 18. Nxc8 Nxc8 19. Nxh6 Nxh6 20. Qxg6 Qe5 21. Bxh6+ Rxh6 22. Qxh6+ Bg7 23. Qe3 Qxe3 24. fxe3 Ne7 25. Rxb7 Nf5 26. Kf2 Rc8 27. Rxd7 Rxc5 28. Rxa7 Rxc4 29. Bh3 Nd6 30. Bxe6 Ne4+ 31. Kg2 Rc2 32. Rf1+ Ke8 33. Rxg7 Rxe2+ 34. Kg1 Nd2 35. Bd7+ Kd8 36. Rf8+ 1-0

[Event "Sao Paulo Salles Cup 11th"]
[Site "Sao Paulo"]
[Date "2017.03.24"]
[Round "1"]
[White "Mangini, Bruno Fernandes"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1721"]
[BlackElo "1219"]
[PlyCount "39"]
[EventDate "2017.03.24"]
[EventType "swiss (blitz)"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 e6 5. cxd5 Qxd5 6. Be2 0-0-0 7. 0-0 Bd6 8. Nc3 Qh5 9. h3 Bf5 10. Ne5 Qh4 11. Nxf7 Bxh3 12. Nxd6+ Rxd6 13. gxh3 Qxh3 14. Ne4 Rd5 15. Bg4 Qh6 16. f4 Qg6 17. Ng5 Rd6 18. Bh5 Qf5 19. e4 Qf6 20. e5 1-0

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.25"]
[Round "9"]
[White "Hayashi, Kouki"]
[Black "Gomes, Daniel de Oliveira"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "1205"]
[BlackElo "1502"]
[PlyCount "56"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. Nc3 c6 5. Bg5 d5 6. cxd5 cxd5 7. e3 Bd6 8. Bb5+ Nbd7 9. 0-0 0-0 10. Qc2 h6 11. Bh4 Qc7 12. Bg3 g5 13. Ba4 Ne4 14. Rac1 Ndf6 15. Nb5 Qe7 16. Bxd6 Nxd6 17. Nxd6 Qxd6 18. Ne5 Bd7 19. Bxd7 Nxd7 20. Nxd7 Qxd7 21. Qc7 Qxc7 22. Rxc7 Rac8 23. Rfc1 Rxc7 24. Rxc7 Rf7 25. Rc8+ Kg7 26. Re8 Kf6 27. Rh8 Kg6 28. Re8 Kf6 1/2-1/2

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.25"]
[Round "8"]
[White "Nazario Sebastiao, Mariani"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1565"]
[BlackElo "1205"]
[PlyCount "57"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. g4 e5 2. Bg2 d5 3. c3 Bxg4 4. Qb3 Nf6 5. Qxb7 Nbd7 6. Bxd5 Nxd5 7. Qxd5 Bc5 8. Nf3 0-0 9. Rg1 Bf5 10. d4 Be6 11. Qe4 f5 12. Qc2 e4 13. Ng5 Bd5 14. dxc5 Nxc5 15. b4 Nd7 16. Bb2 Ne5 17. Nd2 Qe7 18. c4 Nd3+ 19. Kd1 Nxf2+ 20. Kc1 Bb7 21. Nb3 Ng4 22. Na5 Qxb4 23. h3 e3 24. Nf3 Be4 25. Qc3 Qxc3+ 26. Bxc3 g5 27. c5 Rf6 28. Nxg5 Rg6 29. hxg4 1-0

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.24"]
[Round "7"]
[White "Hayashi, Kouki"]
[Black "Pereira Fo, Hildebrando Apolon"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1205"]
[BlackElo "1737"]
[PlyCount "89"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 e6 5. Nf3 Nc6 6. Bf4 Bb4 7. e3 Nf6 8. Bd3 0-0 9. 0-0 a6 10. Qc2 h6 11. a3 Bd6 12. Bg3 Bxg3 13. fxg3 Bd7 14. Qd2 b5 15. b4 Qb6 16. Rf2 Ng4 17. Rff1 Rfc8 18. h3 Nf6 19. Ne5 Nxe5 20. dxe5 d4 21. Rae1 dxc3 22. Qf2 Qd8 23. exf6 Qxf6 24. Qxf6 gxf6 25. Rxf6 c2 26. Rc1 Rc3 27. Bxc2 Rac8 28. Bh7+ Kxh7 29. Rxc3 Rxc3 30. Rxf7+ Kg6 31. Rxd7 Rxe3 32. Rd6 Kf7 33. Rxa6 Kg6 34. a4 bxa4 35. Rxa4 Rb3 36. Ra7 Kf6 37. Rb7 Kf5 38. b5 Ke4 39. Rb8 e5 40. b6 Ke3 41. b7 e4 42. Kh2 h5 43. Kg1 h4 44. Kh2 Rb2 45. Kg1 1/2-1/2

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.23"]
[Round "6"]
[White "Ibanez, Jorge Dias Llivi"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1710"]
[BlackElo "1205"]
[PlyCount "100"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. e3 Nc6 5. a3 Bd6 6. Bg5 0-0 7. Bd3 b6 8. 0-0 h6 9. Bh4 Bb7 10. Nc3 Rc8 11. Re1 Be7 12. Bg3 Qd7 13. Ne5 Nxe5 14. Bxe5 c5 15. Bb5 Bc6 16. Bxc6 Rxc6 17. Ne2 cxd4 18. Nxd4 Rc5 19. c3 Rfc8 20. Rc1 a5 21. Nf3 b5 22. Bd4 R8c6 23. Ne5 Qd6 24. Nxc6 Rxc6 25. Bxf6 Bxf6 26. Qd3 Rc4 27. g3 Qb8 28. Rb1 Rg4 29. Qe2 Rg6 30. e4 dxe4 31. Qxe4 Qc7 32. Qd3 Bh4 33. Re3 Qb8 34. Qe4 Bg5 35. Rd3 Qa7 36. Rbd1 Rf6 37. Rf3 Rxf3 38. Qxf3 Bf6 39. Qc6 Qb8 40. Rd7 b4 41. axb4 axb4 42. Rb7 Qa8 43. Qc7 Qa1+ 44. Kg2 Qb1 45. Rxb4 Kh7 46. Qc6 Qc2 47. Qe4+ Qxe4+ 48. Rxe4 Kg8 49. f4 Kf8 50. Rc4 Ke8 1-0

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.23"]
[Round "5"]
[White "Panazzolo, Paulo Victor"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1822"]
[BlackElo "1205"]
[PlyCount "61"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Bd6 5. Bg5 Nc6 6. e3 0-0 7. Bd3 b6 8. cxd5 exd5 9. Nxd5 Be7 10. Nxe7+ Qxe7 11. Rc1 Bb7 12. 0-0 h6 13. Bh4 Nb4 14. Bb1 Rfd8 15. a3 Nc6 16. Qc2 Rac8 17. Rfd1 Na5 18. Ne5 c5 19. Qf5 Rd6 20. dxc5 Rxc5 21. Qh7+ Nxh7 22. Bxe7 Rxd1+ 23. Rxd1 Rc8 24. Ba2 Nf6 25. Bxf7+ Kh7 26. Bg6+ Kh8 27. Nf7+ Kg8 28. Nd6 Rc2 29. Nxb7 Rc8 30. Nxa5 bxa5 31. Rd8+ 1-0

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.22"]
[Round "4"]
[White "Hayashi, Kouki"]
[Black "Koinski, Carlos Cesar"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1205"]
[PlyCount "68"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e6 4. Bxc4 Nf6 5. Nc3 h6 6. a3 Be7 7. Nf3 c6 8. 0-0 0-0 9. Be3 b6 10. Qe2 Bb7 11. Rfd1 Qc8 12. Bd3 Re8 13. Bc2 Nbd7 14. Qd3 Nf8 15. e5 N6h7 16. Qe4 f5 17. Qf4 Ng5 18. g4 Nxf3+ 19. Qxf3 fxg4 20. Qxg4 Kh8 21. Kh1 c5+ 22. f3 cxd4 23. Rg1 Bxf3+ 24. Qxf3 dxe3 25. Qf7 g5 26. Raf1 Bc5 27. Qh5 Re7 28. Qxh6+ Nh7 29. Bxh7 Rxh7 30. Qf6+ Rg7 31. Rxg5 Qb7+ 32. Rf3 Re8 33. Rxg7 Qxf3+ 34. Qxf3 Kxg7 1-0

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.21"]
[Round "2"]
[White "Hayashi, Kouki"]
[Black "Machado, Antonio Rodrigo"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "1205"]
[BlackElo "1635"]
[PlyCount "52"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 c6 6. e3 0-0 7. Be2 Nbd7 8. 0-0 a6 9. Qc2 Nb6 10. c5 Nbd7 11. h3 Re8 12. Rac1 e5 13. Rfe1 e4 14. Nd2 Qe7 15. Bf4 Nh5 16. Bd6 Qh4 17. Qd1 f5 18. Bg3 Nxg3 19. fxg3 Qxg3 20. Rf1 Qxe3+ 21. Kh1 Qxd4 22. g4 Nxc5 23. gxf5 Bxf5 24. Bg4 Bxg4 25. hxg4 Nd3 26. Ne2 Qe3 0-1

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.21"]
[Round "3"]
[White "Soares, Joao Carlos TC"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "1846"]
[BlackElo "1205"]
[PlyCount "63"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Nc6 9. Nde2 Bd7 10. h3 Qa5 11. Nd5 e6 12. Ne3 Rfd8 13. c4 Qe5 14. f4 Qc5 15. Kh2 Rac8 16. a3 a5 17. Rb1 Ne7 18. b4 axb4 19. axb4 Qb6 20. Qd3 Bc6 21. b5 Bd7 22. Rd1 Be8 23. Qc3 Qc5 24. Ba3 Qb6 25. e5 dxe5 26. Bxe7 Rxd1 27. Rxd1 exf4 28. Nxf4 e5 29. Nfd5 Nxd5 30. Nxd5 Qe6 31. Bb4 Bd7 32. Ne7+ 1-0

[Event "South American-ch U12"]
[Site "Santiago de Chile"]
[Date "2016.12.01"]
[Round "1.15"]
[White "Canaza Capacuti, Frank Renato"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "1653"]
[BlackElo "1220"]
[PlyCount "107"]
[EventDate "2016.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. f3 Nc6 9. Qd2 e6 10. 0-0-0 d5 11. exd5 Nxd5 12. Bxd5 exd5 13. Nb3 Bf5 14. Bc5 Re8 15. Nb5 Be6 16. Nc3 Ne7 17. Nd4 Rc8 18. Ba3 a6 19. g4 Qb6 20. Nde2 Qc6 21. Rhe1 b5 22. Nd4 Qb6 23. Bxe7 Rxe7 24. Nxd5 Bxd5 25. Rxe7 Qc5 26. Re2 Bxa2 27. c3 b4 28. Rde1 Rc7 29. Re8+ Bf8 30. R1e5 Qd6 31. Nb3 Qxd2+ 32. Nxd2 bxc3 33. bxc3 Rxc3+ 34. Kb2 Rd3 35. Ne4 Be6 36. Nf6+ Kg7 37. g5 Rxf3 38. h4 Rh3 39. Rc5 Rxh4 40. Rc7 Rh2+ 41. Kc3 Rg2 42. Rxe6 Rxg5 43. Ne8+ Kg8 44. Nf6+ Kg7 45. Ne8+ Kg8 46. Rxa6 Rg1 47. Raa7 Rf1 48. Kd3 Rf5 49. Ra8 h5 50. Rcc8 Bh6 51. Nd6+ Kg7 52. Nxf5+ gxf5 53. Rc5 Kg6 54. Raa5 1-0

[Event "Paulista-ch"]
[Site "Sao Paulo"]
[Date "2016.11.??"]
[Round "3"]
[White "Carlos, Roberta Souto"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1682"]
[BlackElo "1248"]
[PlyCount "75"]
[EventDate "2016.11.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nc6 5. e3 Be7 6. Bd3 0-0 7. a3 b6 8. Qc2 Bb7 9. cxd5 exd5 10. 0-0 h6 11. Bd2 Na5 12. Ne2 c5 13. Bxa5 c4 14. Bd2 cxd3 15. Qxd3 Rc8 16. Nc3 Qd7 17. Rfc1 Qe6 18. Rc2 Ne4 19. Rac1 f5 20. Ne2 Bd6 21. Nf4 Bxf4 22. exf4 Rfe8 23. Ne5 Qf6 24. Rc7 Rxc7 25. Rxc7 Re7 26. Rc2 Qd6 27. Bb4 Qd8 28. Bxe7 Qxe7 29. Qh3 Qe6 30. Rc7 a5 31. f3 Nf6 32. Qg3 Nh5 33. Qh4 Nf6 34. Qe1 Ba6 35. Rc6 Qe7 36. Rxb6 Qa7 37. Qxa5 Kh7 38. Qxa6 1-0

[Event "Paulista-ch"]
[Site "Sao Paulo"]
[Date "2016.11.??"]
[Round "6"]
[White "De Aquino, Agnes Damaris Real"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "D55"]
[BlackElo "1248"]
[PlyCount "46"]
[EventDate "2016.11.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nc6 6. e3 0-0 7. Bd3 h6 8. Bxf6 Bxf6 9. Ne2 e5 10. cxd5 Qxd5 11. dxe5 Nxe5 12. Bh7+ Kxh7 13. Qxd5 Nxf3+ 14. gxf3 Bxb2 15. Rb1 Bf6 16. h4 Rb8 17. Qe4+ Kh8 18. Rg1 g6 19. Nd4 b6 20. Ke2 Rd8 21. Qf4 Bg7 22. Nc6 Ba6+ 23. Ke1 Bc3# 0-1

[Event "Paulista-ch"]
[Site "Sao Paulo"]
[Date "2016.11.??"]
[Round "2"]
[White "Hayashi, Kouki"]
[Black "Jenidarchiche, Douglas Rodrigo"]
[Result "0-1"]
[ECO "A39"]
[WhiteElo "1248"]
[BlackElo "1831"]
[PlyCount "76"]
[EventDate "2016.11.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Nxd4 9. Qxd4 d6 10. Bg5 h6 11. Be3 Ng4 12. Qd2 Nxe3 13. Qxe3 a6 14. Rac1 Rb8 15. Qa7 Be6 16. b3 Qa5 17. Qe3 Rfe8 18. Rc2 Bf5 19. Rcc1 Bd7 20. Bd5 Bc6 21. Bxc6 bxc6 22. Na4 Qe5 23. Qf3 Rec8 24. c5 d5 25. Rfd1 Rc7 26. Re1 Rb4 27. Rc3 Rxa4 28. bxa4 Qxc3 29. Qxc3 Bxc3 30. Rb1 a5 31. a3 e5 32. Kg2 f5 33. Kf3 Kf7 34. Rb8 d4 35. Rh8 Kg7 36. Rb8 g5 37. h3 e4+ 38. Kg2 Rd7 0-1

[Event "Paulista-ch"]
[Site "Sao Paulo"]
[Date "2016.11.??"]
[Round "5"]
[White "Hayashi, Kouki"]
[Black "Kamura, Victor da Costa"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1248"]
[BlackElo "1320"]
[PlyCount "94"]
[EventDate "2016.11.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 e6 5. Nf3 Nf6 6. Bf4 Bd6 7. Bg3 0-0 8. e3 a6 9. Bd3 Qc7 10. Qc2 h6 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxc7 Bxc7 14. Bxc7 Nf6 15. Be5 Nbd7 16. Ke2 b5 17. Rac1 Bb7 18. h3 Nxe5 19. dxe5 Nd7 20. Rc7 Bxf3+ 21. Kxf3 Nxe5+ 22. Ke4 Nxd3 23. Kxd3 Rac8 24. Rhc1 Rxc7 25. Rxc7 Rd8+ 26. Ke2 Rd6 27. a3 g6 28. h4 Kg7 29. g3 Kf6 30. Ke3 e5 31. Rc5 Kf5 32. f3 g5 33. g4+ Ke6 34. hxg5 hxg5 35. Ke4 f6 36. Ke3 Rb6 37. Ke4 b4 38. axb4 Rxb4+ 39. Ke3 Rxb2 40. Rc6+ Kf7 41. Rxa6 Kg6 42. Rc6 Rb4 43. Ra6 Rf4 44. Re6 Kf7 45. Rc6 e4 46. Rc4 Rxf3+ 47. Ke2 Rf4 0-1

[Event "Paulista-ch"]
[Site "Sao Paulo"]
[Date "2016.11.??"]
[Round "4"]
[White "Sato, Claudio Takeshi"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1540"]
[BlackElo "1248"]
[PlyCount "55"]
[EventDate "2016.11.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. b3 d6 3. Bb2 Nf6 4. d3 g6 5. Nd2 Bg7 6. g3 0-0 7. Bg2 Nc6 8. Ngf3 b6 9. Qe2 Bb7 10. 0-0-0 e6 11. e5 Nxe5 12. Bxe5 dxe5 13. Qxe5 Ne4 14. Qf4 Nxf2 15. Ne4 Nxh1 16. Bxh1 f5 17. Neg5 Qf6 18. Kd2 Qc3+ 19. Ke2 Qxc2+ 20. Rd2 Qb1 21. Bg2 Rfe8 22. Qc7 Ba6 23. Ne5 Rad8 24. Qf7+ Kh8 25. Qxa7 Bb5 26. Nef7+ Kg8 27. Nh6+ Kf8 28. Qf7# 1-0

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.16"]
[Round "5.20"]
[White "Hayashi, Kouki"]
[Black "Ivanovic, Alejandro"]
[Result "1-0"]
[ECO "A56"]
[WhiteElo "1185"]
[BlackElo "1631"]
[PlyCount "83"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 cxd4 4. exd4 e6 5. Nc3 g6 6. Nf3 Bg7 7. Be2 0-0 8. Be3 Ng4 9. Bg5 Bf6 10. Bxf6 Nxf6 11. 0-0 b6 12. Qd2 Re8 13. Qh6 Ng4 14. Qf4 f5 15. h3 Nf6 16. Bd3 Bb7 17. Nb5 Na6 18. Nd6 Qc7 19. Ng5 Re7 20. Qe5 Ne8 21. Nxb7 Qxb7 22. a3 d6 23. Qg3 Qd7 24. Rfe1 Nac7 25. Re2 Nf6 26. Rae1 Rae8 27. f3 Nh5 28. Qh2 h6 29. g4 Nf6 30. Qf4 hxg5 31. Qxg5 Kg7 32. gxf5 Rg8 33. Rg2 exf5 34. Qxg6+ Kf8 35. Qxf6+ Rf7 36. Qh6+ Rfg7 37. Qf6+ Rf7 38. Qh6+ Rfg7 39. Bxf5 Qd8 40. Bh7 Qd7 41. Bxg8 Kxg8 42. Rxg7+ 1-0

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.16"]
[Round "6.13"]
[White "Santin, Thiago Cirino Sobri"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1663"]
[BlackElo "1185"]
[PlyCount "63"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 d6 7. Bg5 Be7 8. g3 0-0 9. Bg2 Re8 10. 0-0 c5 11. Qd2 h6 12. Bf4 Rb8 13. Nb5 Be6 14. b3 Rc8 15. Nxa7 Rc7 16. e4 Rd7 17. Rad1 Bf8 18. Nb5 Bg4 19. Rde1 g5 20. Be3 Nxe4 21. Bxe4 Rxe4 22. f3 Bh3 23. fxe4 Bxf1 24. Rxf1 b6 25. Qd5 Qe7 26. Rd1 Ra7 27. Nxa7 Qxa7 28. Rf1 Kg7 29. Bd2 f6 30. Bc3 Be7 31. Qe6 Kg6 32. Qg8+ 1-0

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.15"]
[Round "3.40"]
[White "Hayashi, Kouki"]
[Black "Barbosa, Victor Moreira"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1185"]
[BlackElo "1505"]
[PlyCount "69"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. cxd5 exd5 7. Nc3 Be6 8. b4 0-0 9. e3 Nc6 10. b5 Nb4 11. a3 Qe7 12. axb4 Qxb4 13. Qc2 g6 14. Bd3 c6 15. bxc6 bxc6 16. 0-0 Qd6 17. Rfb1 Bg7 18. Rb7 Bg4 19. Be2 c5 20. Rbxa7 Rxa7 21. Rxa7 cxd4 22. Nxd4 Bxd4 23. exd4 Bf5 24. Qa2 Qf4 25. Nxd5 Qc1+ 26. Bf1 Bd3 27. Qa1 Qd2 28. Bxd3 Qxd3 29. g3 Re8 30. Nf6+ Kf8 31. Nxe8 Kxe8 32. Qc1 Qxd4 33. Qc8+ Qd8 34. Qxd8+ Kxd8 35. Rxf7 1-0

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.15"]
[Round "4.27"]
[White "Shimamura Silva, Eduardo Akira"]
[Black "Hayashi, Kouki"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1604"]
[BlackElo "1185"]
[PlyCount "110"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e5 5. Nf3 Nc6 6. Bb5 d6 7. 0-0 Nf6 8. Bg5 Be7 9. Rc1 a6 10. Ba4 b5 11. Bb3 0-0 12. Bxf6 Bxf6 13. Bd5 Bb7 14. Qc2 Nb4 15. Qb3 Nxd5 16. Nxd5 Bxd5 17. Qxd5 Qd7 18. Rfd1 Rfd8 19. Rc6 Rac8 20. Rxd6 Qxd6 21. Qxd6 Rxd6 22. Rf1 Rc2 23. Rb1 Rxb2 24. Rf1 Rxa2 25. h3 h6 26. g4 a5 27. h4 b4 28. g5 hxg5 29. hxg5 Bxg5 30. Nxe5 b3 31. Nc4 Rdd2 32. Nxd2 Bxd2 33. Rb1 b2 34. Kg2 a4 35. f3 a3 36. Rd1 Ra1 37. Rxd2 b1Q 38. Rd8+ Kh7 39. f4 Qb3 40. Rd2 Ra2 41. Rxa2 Qxa2+ 42. Kf3 Qd2 43. e5 Qxf4+ 44. Kxf4 a2 45. e6 fxe6 46. Ke5 a1Q+ 47. Kxe6 Qa5 48. Ke7 Qb6 49. Kd7 g5 50. Ke7 Qc6 51. Kf7 Qd6 52. Ke8 Qc7 53. Kf8 Kg6 54. Ke8 Kf6 55. Kf8 Qf7# 0-1

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.14"]
[Round "2.28"]
[White "Caribe Santos, Luiz Carlos"]
[Black "Hayashi, Kouki"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1534"]
[BlackElo "1185"]
[PlyCount "73"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bd6 5. cxd5 exd5 6. Bg5 Be6 7. Qb3 b6 8. e3 c6 9. Bd3 0-0 10. Qc2 h6 11. Bh4 Be7 12. Ne5 Nbd7 13. Nxc6 Qe8 14. Nxe7+ Qxe7 15. h3 Rac8 16. f4 Nb8 17. g4 Bd7 18. Bxf6 Qxe3+ 19. Qe2 Qg3+ 20. Kd1 Rfe8 21. Be5 f6 22. Bb5 Bxb5 23. Nxb5 fxe5 24. Nd6 Qxf4 25. Nxc8 Qxd4+ 26. Qd2 Qxd2+ 27. Kxd2 Rxc8 28. Rac1 Nc6 29. Rc2 e4 30. Rhc1 e3+ 31. Ke1 d4 32. Rxc6 Rd8 33. Rc8 Rxc8 34. Rxc8+ Kf7 35. Rd8 Ke6 36. Rxd4 Ke5 37. Rd7 1-0

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.13"]
[Round "1.17"]
[White "Hayashi, Kouki"]
[Black "Simi, Luiz Guilherme Silv"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1185"]
[BlackElo "1628"]
[PlyCount "88"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 e6 6. Bd2 Nf6 7. e3 Bd6 8. Bd3 0-0 9. 0-0 Re8 10. Re1 e5 11. Bb1 e4 12. Ne5 Nxe5 13. dxe5 Bxe5 14. f3 d4 15. Nxe4 dxe3 16. Bc3 Qxd1 17. Rxd1 Bxc3 18. Nxc3 Be6 19. Nb5 Rad8 20. Rxd8 Rxd8 21. Bc2 e2 22. Re1 Rd2 23. Na3 b5 24. Rc1 b4 25. Nb5 e1Q+ 26. Rxe1 Rxc2 27. Nxa7 Rxb2 28. Rd1 g6 29. Nc6 Bxa2 30. Rd6 Kg7 31. Na5 Rc2 32. Rb6 Rc5 33. Nb7 Nd5 34. Nxc5 Nxb6 35. Kf2 b3 36. Nd3 Nc4 37. Kg3 b2 38. Nxb2 Nxb2 39. Kh3 Nd3 40. Kg3 Kf6 41. h4 Kf5 42. Kh2 Kf4 43. Kh3 Ne1 44. Kh2 Bc4 0-1

