[Event "Goiania Prevest op"]
[Site "Goiania"]
[Date "2015.11.29"]
[Round "6.5"]
[White "Okada, Dyogo Koithi"]
[Black "Monteiro, Andre Luiz"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1696"]
[PlyCount "83"]
[EventDate "2015.11.27"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Nce7 9. 0-0 c6 10. d4 Kd7 11. dxe5 Kc7 12. Rd1 Be6 13. b4 Qd7 14. b5 Bg4 15. Qg3 Bxd1 16. Ba3 c5 17. Rxd1 Rd8 18. Bxc5 Kc8 19. Bxa7 Qc7 20. Qg4+ Qd7 21. e6 Qc7 22. Nxd5 h5 23. Qh3 Rxd5 24. Rxd5 b6 25. Rd7 Qxc4 26. Qf3 Nd5 27. Qxd5 Qxd5 28. Rxd5 Be7 29. Bxb6 Rh6 30. Re5 Kb7 31. Be3 Rg6 32. f4 Kc8 33. h3 Kd8 34. Kf2 Bd6 35. f5 Rf6 36. Rd5 Kc7 37. b6+ Kc6 38. Ra5 Rf8 39. g4 hxg4 40. hxg4 g6 41. Ke2 gxf5 42. gxf5 1-0

[Event "Goiania Prevest op"]
[Site "Goiania"]
[Date "2015.11.29"]
[Round "5.3"]
[White "Okada, Dyogo Koithi"]
[Black "Santos, Luciano da Silva"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1696"]
[BlackElo "1888"]
[PlyCount "108"]
[EventDate "2015.11.27"]
[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 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 Ng4 8. Nxc6 bxc6 9. Bd4 Nf6 10. 0-0-0 0-0 11. h4 h5 12. f3 d6 13. Be2 Kh7 14. g4 hxg4 15. fxg4 Nxg4 16. Bxg7 Kxg7 17. Rdg1 Ne5 18. h5 Rh8 19. Nd1 Be6 20. Nf2 Qb6 21. Nd3 Rab8 22. Qc3 Qe3+ 23. Kb1 Qxe4 24. Qd2 Qd5 25. b3 Bf5 26. Qe3 Bxd3 27. Bxd3 Nxd3 28. h6+ Kh7 29. cxd3 Rb7 30. Rh4 e5 31. Rg3 Rhb8 32. Qf2 a5 33. Rc4 c5 34. Qf6 Rg8 35. Rf3 Qe6 36. Qg5 f5 37. Ra4 Ra7 38. Re3 Rb8 39. Qh4 Rb4 40. Rxb4 axb4 41. Rg3 e4 42. Re3 d5 43. Qg5 d4 44. Re2 e3 45. Qf4 Re7 46. Kc2 Qe5 47. Qf3 f4 48. Kd1 Qf5 49. Kc2 Ra7 50. Kc1 Qxd3 51. Rg2 Qf5 52. Rc2 d3 53. Rb2 d2+ 54. Kd1 Qh5 0-1

[Event "Goiania Prevest op"]
[Site "Goiania"]
[Date "2015.11.28"]
[Round "3.2"]
[White "Lutz, Igor Oscar"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2066"]
[BlackElo "1696"]
[PlyCount "73"]
[EventDate "2015.11.27"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. Be3 Nc6 8. d5 Ne7 9. Nd2 Ne8 10. b4 f5 11. f3 f4 12. Bf2 g5 13. c5 h5 14. Nc4 Ng6 15. cxd6 cxd6 16. Rc1 Nh4 17. Rg1 Qf6 18. Nb5 g4 19. Bxa7 gxf3 20. gxf3 Bh3 21. Bf1 Bxf1 22. Kxf1 Rc8 23. Bf2 Kh7 24. Ke2 Qe7 25. Nb6 Rxc1 26. Qxc1 Ng6 27. Qc8 Rf7 28. a4 Nc7 29. Qxb7 Nxb5 30. Qxe7 Rxe7 31. axb5 Rb7 32. Rc1 Ne7 33. Rc6 Nxc6 34. bxc6 Rc7 35. Nd7 Rxd7 36. cxd7 Bf6 37. b5 1-0

[Event "Goiania Prevest op"]
[Site "Goiania"]
[Date "2015.11.28"]
[Round "4.5"]
[White "Peres, Wallafe Moreira"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "A03"]
[BlackElo "1696"]
[PlyCount "72"]
[EventDate "2015.11.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 Nc6 2. e3 d5 3. Nf3 Bg4 4. Be2 f6 5. h3 Bf5 6. Nh4 Bg6 7. Nxg6 hxg6 8. Bd3 f5 9. b3 e5 10. 0-0 Nf6 11. Be2 Bd6 12. fxe5 Bxe5 13. d4 Bd6 14. Nd2 Qd7 15. Nf3 0-0-0 16. Bd2 Ne4 17. Be1 g5 18. Nh2 g4 19. Nxg4 Kb8 20. Nh2 g5 21. c4 g4 22. Rxf5 Qxf5 23. Bxg4 Bxh2+ 24. Kxh2 Qg5 25. cxd5 Qxd5 26. Bf3 Qd6+ 27. Kg1 Ng5 28. h4 Nxf3+ 29. Qxf3 Nxd4 30. exd4 Qxd4+ 31. Bf2 Qxa1+ 32. Kh2 Rd1 33. Qf7 Qe5+ 34. g3 Rxh4+ 35. Kg2 Qe4+ 36. Qf3 Rh2+ 0-1

[Event "Goiania Prevest op"]
[Site "Goiania"]
[Date "2015.11.27"]
[Round "1.5"]
[White "Lemos, Artur Andreaza"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "C45"]
[BlackElo "1696"]
[PlyCount "100"]
[EventDate "2015.11.27"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nxc6 Qxe4+ 6. Qe2 Qxe2+ 7. Bxe2 dxc6 8. Bg5 Bf5 9. Bd3 Bxd3 10. cxd3 h6 11. Bh4 g5 12. Bg3 0-0-0 13. Kd2 f5 14. Be5 Rh7 15. Re1 Rhd7 16. Re3 f4 17. Rf3 Rd5 18. Bc3 Bd6 19. h3 h5 20. g4 fxg3 21. fxg3 g4 22. hxg4 hxg4 23. Re3 Bc5 24. d4 Bxd4 25. Bxd4 Rxd4+ 26. Ke2 Rd1 27. Re8 Rh1 28. Rxd8+ Kxd8 29. Kd3 Kd7 30. Kc3 Nf6 31. b3 Ne4+ 32. Kb2 Ke6 33. Na3 Rxa1 34. Kxa1 Nxg3 35. Nc2 Ke5 36. Ne3 Ke4 37. Nxg4 c5 38. Nf6+ Kd3 39. Nd7 c4 40. Ne5+ Kc3 41. Nxc4 Ne4 42. Kb1 Nd2+ 43. Nxd2 Kxd2 44. Kb2 c5 45. a3 b5 46. Kb1 Kc3 47. Ka2 Kc2 48. a4 bxa4 49. bxa4 c4 50. Ka3 c3 0-1

[Event "Goiania Prevest op"]
[Site "Goiania"]
[Date "2015.11.27"]
[Round "2.5"]
[White "Okada, Dyogo Koithi"]
[Black "De Oliveira, Leticia Maria Silve"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1696"]
[PlyCount "37"]
[EventDate "2015.11.27"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d6 5. Nxf7 Bg4 6. f3 Qd7 7. fxg4 Rg8 8. Qf3 Nxg4 9. Ng5 Rh8 10. Be6 Qe7 11. Qxg4 Nd4 12. Bf7+ Kd8 13. Ne6+ Kd7 14. Nxd4+ Kd8 15. Ne6+ Kc8 16. Nxf8+ Kd8 17. Ne6+ Kd7 18. Nc5+ Kd8 19. Nxb7# 1-0

[Event "Goiania-ch U16"]
[Site "Goiania"]
[Date "2014.04.06"]
[Round "5"]
[White "Okada, Dyogo Koithi"]
[Black "Rosa, Pedro Paulo"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1696"]
[BlackElo "1791"]
[PlyCount "31"]
[EventDate "2014.04.05"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d3 Bd6 5. g3 Bg4 6. Bg2 Nc6 7. 0-0 Qd7 8. Qe1+ Nge7 9. Nbd2 0-0-0 10. b3 Ng6 11. Bb2 f6 12. Qc1 Bh3 13. Kh1 h5 14. Bxh3 Qxh3 15. Ng1 Qg4 16. h3 1-0

[Event "Goiania-ch U16"]
[Site "Goiania"]
[Date "2014.04.06"]
[Round "3"]
[White "Rocha, Arthur Ferreira"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1822"]
[BlackElo "1696"]
[PlyCount "111"]
[EventDate "2014.04.05"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. Nf3 d6 5. e4 0-0 6. Be2 e5 7. d5 a5 8. h3 Nbd7 9. Be3 b6 10. Qc2 Nc5 11. a3 a4 12. Bxc5 bxc5 13. Nxa4 Nh5 14. Nc3 Nf4 15. g4 f5 16. gxf5 gxf5 17. 0-0-0 Bh6 18. Kb1 fxe4 19. Nxe4 Bf5 20. Ka2 Qb8 21. Nh4 Bd7 22. Nc3 Qb4 23. Rd3 Ba4 24. Rg3+ Kh8 25. Nxa4 Qxa4 26. Qxa4 Rxa4 27. Bf1 Nxd5 28. Kb3 Nb6 29. f3 Rf4 30. Rhg1 Ra8 31. Ng2 Rd4 32. Rg4 Rf8 33. Nh4 Be3 34. R1g2 Nc8 35. Nf5 Rxg4 36. hxg4 Bf4 37. Bd3 h6 38. Be4 Rf6 39. a4 Kg8 40. a5 Na7 41. Ka4 Kf8 42. b4 cxb4 43. Kxb4 Ke8 44. Rb2 Kd7 45. Ka4 Nc6 46. Bxc6+ Kxc6 47. Rb8 Bh2 48. Rh8 Bf4 49. a6 Kb6 50. Ra8 h5 51. Ne7 c6 52. gxh5 Bg5 53. Rc8 c5 54. Nd5+ Kxa6 55. Nxf6 Bxf6 56. Rc6+ 1-0

[Event "Goiania-ch U16"]
[Site "Goiania"]
[Date "2014.04.05"]
[Round "2"]
[White "Okada, Dyogo Koithi"]
[Black "Do Nascimento, Carlos Eduardo"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1696"]
[BlackElo "1810"]
[PlyCount "41"]
[EventDate "2014.04.05"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 exd4 5. Nxd4 Nf6 6. f3 Bc5 7. Be3 Nxd4 8. Bxd4 Bxd4 9. Qxd4 0-0 10. Nc3 d6 11. 0-0-0 Qe7 12. g4 Be6 13. g5 hxg5 14. Bxe6 Qxe6 15. Rdg1 g4 16. h3 gxf3 17. Nd5 g6 18. Nxf6+ Kg7 19. Nh5+ Kh6 20. Qg7+ Kxh5 21. Qh7# 1-0

[Event "Goiania-ch U16"]
[Site "Goiania"]
[Date "2014.04.05"]
[Round "1"]
[White "Okada, William Kenji"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "1835"]
[BlackElo "1696"]
[PlyCount "55"]
[EventDate "2014.04.05"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. b3 d6 6. Bb2 Na6 7. 0-0 c5 8. e3 Bf5 9. Nbd2 Nb4 10. Ne1 b5 11. c3 Nd3 12. Nxd3 Bxd3 13. Re1 Rb8 14. e4 c4 15. a4 bxa4 16. Rxa4 cxb3 17. Nxb3 Bb5 18. Rxa7 Bc4 19. Nd2 Qb6 20. Rxe7 Be6 21. Ba1 Rfc8 22. e5 dxe5 23. dxe5 Ng4 24. Ne4 Nxe5 25. c4 Nxc4 26. Bxg7 Kxg7 27. Ng5 Rd8 28. Qf3 1-0

[Event "Goias Interior-ch "]
[Site "Trindade"]
[Date "2013.08.18"]
[Round "5"]
[White "Okada, Dyogo Koithi"]
[Black "Amaro, Jose Roberto"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1683"]
[BlackElo "1941"]
[PlyCount "118"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 Be7 8. Qd2 Qc7 9. h4 Nc6 10. 0-0-0 Na5 11. g4 Nd7 12. f4 b5 13. h5 Nb6 14. Qf2 Nac4 15. Bxc4 Nxc4 16. g5 Bd7 17. g6 fxg6 18. hxg6 h6 19. f5 Rf8 20. Kb1 Rc8 21. Bxh6 Nxb2 22. Kxb2 Qxc3+ 23. Kb1 Bf6 24. Bxg7 Qb4+ 25. Ka1 Bxg7 26. Rh7 Rxc2 27. Qxc2 Bxd4+ 28. Rxd4 Qxd4+ 29. Kb1 Qc4 30. Qxc4 bxc4 31. f6 Bc6 32. Re7+ Kd8 33. Rxe6 Bxe4+ 34. Rxe4 Rxf6 35. g7 Rg6 36. Re6 Rg1+ 37. Kc2 Kd7 38. Rh6 Rxg7 39. Kc3 Rg4 40. Kb4 Kc6 41. a4 a5+ 42. Kc3 Kc5 43. Rh8 Rg3+ 44. Kd2 Rd3+ 45. Kc2 Ra3 46. Rh4 Rxa4 47. Kc3 d5 48. Rh5 Ra3+ 49. Kc2 a4 50. Kb2 Rb3+ 51. Ka2 c3 52. Ka1 c2 53. Ka2 Rc3 54. Rg5 c1R 55. Rh5 Rg1 56. Rh2 Rcg3 57. Rc2+ Kd6 58. Rd2 R1g2 59. Rxg2 Rxg2+ 0-1

[Event "Goias Interior-ch "]
[Site "Trindade"]
[Date "2013.08.18"]
[Round "6"]
[White "Okada, William Kenji"]
[Black "Okada, Dyogo Koithi"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "1824"]
[BlackElo "1683"]
[PlyCount "27"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. g3 g6 8. Bg2 Bg7 9. Nf3 0-0 10. 0-0 Nbd7 11. Re1 Qb6 12. a3 Rfb8 13. e4 c4 14. Bf1 1/2-1/2

[Event "Goias Interior-ch "]
[Site "Trindade"]
[Date "2013.08.17"]
[Round "3"]
[White "Okada, Dyogo Koithi"]
[Black "Sergio, Claudio Santos"]
[Result "0-1"]
[ECO "C21"]
[WhiteElo "1683"]
[BlackElo "2060"]
[PlyCount "52"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 e5 3. Bc4 exd4 4. c3 d3 5. Qxd3 Nc6 6. f4 Be6 7. Nf3 Nf6 8. Bxe6 fxe6 9. Be3 Be7 10. Nbd2 Qd7 11. f5 exf5 12. exf5 Ng4 13. Bd4 0-0 14. h3 Nxd4 15. hxg4 Nxf3+ 16. Nxf3 Qa4 17. Nd4 Rae8 18. b3 Bg5+ 19. Kd1 Qa3 20. Ne6 Qb2 21. Rb1 Qxg2 22. Re1 Qxg4+ 23. Kc2 Rxf5 24. Nf4 Rxe1 25. Rxe1 Qxf4 26. Re8+ Kf7 0-1

[Event "Goias Interior-ch "]
[Site "Trindade"]
[Date "2013.08.17"]
[Round "4"]
[White "Sergio Filho, Claudio Santos"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "1909"]
[BlackElo "1683"]
[PlyCount "41"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. Na4 Bb6 6. Nxb6 axb6 7. Ne2 f5 8. d3 Nf6 9. 0-0 fxe4 10. dxe4 Be6 11. a3 Qd7 12. f4 Bh3 13. Nc3 h5 14. fxe5 Nxe5 15. Bg5 0-0-0 16. a4 Nf7 17. Bxf6 gxf6 18. a5 Bxg2 19. Kxg2 h4 20. axb6 Kb8 21. Ra8+ 1-0

[Event "Goias Interior-ch "]
[Site "Trindade"]
[Date "2013.08.16"]
[Round "2"]
[White "Garcia, Gabriel Gonzaga"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1929"]
[BlackElo "1683"]
[PlyCount "78"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. f3 Nc6 5. Bxf6 exf6 6. e4 dxe4 7. fxe4 Bg6 8. Bb5 a6 9. Bxc6+ bxc6 10. Nf3 Bb4 11. Qd3 0-0 12. 0-0 Re8 13. Rfe1 c5 14. d5 Qd6 15. a3 Ba5 16. Nd2 Qf4 17. Rf1 Qg4 18. Rae1 Rad8 19. h3 Qd7 20. Qxa6 Bxc3 21. bxc3 c6 22. Qc4 cxd5 23. exd5 h6 24. Rxe8+ Rxe8 25. Qxc5 Bxc2 26. Qd4 Ra8 27. Rc1 Bf5 28. c4 Rxa3 29. c5 Rd3 30. Qf4 Qxd5 31. Nf3 Bd7 32. Qc4 Qxc4 33. Rxc4 Bc6 34. Nd4 Bd5 35. Rb4 Rc3 36. Rb8+ Kh7 37. Rc8 Rc4 38. Nf5 Be6 39. Nd6 Rc1+ 0-1

[Event "Goias Interior-ch "]
[Site "Trindade"]
[Date "2013.08.16"]
[Round "1"]
[White "Okada, Dyogo Koithi"]
[Black "Silva, Gustavo Queiroz Dos"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1683"]
[BlackElo "1961"]
[PlyCount "105"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. Bc4 Bc5 5. c3 Nf6 6. Bg5 h6 7. Bh4 g5 8. Bg3 Nxe4 9. 0-0 d5 10. Re1 Be6 11. Bb5 Nxg3 12. hxg3 dxc3 13. Nxc3 Kf8 14. Bxc6 bxc6 15. Ne5 Qd6 16. Qf3 Kg7 17. Rad1 d4 18. Nxc6 Rhe8 19. Nb5 Qd7 20. Ncxd4 Bxd4 21. Nxd4 Bg4 22. Ne6+ Qxe6 23. Rxe6 Bxf3 24. Rxe8 Rxe8 25. gxf3 Re2 26. Rb1 a5 27. a3 Rc2 28. a4 Rc4 29. b3 Rb4 30. Rc1 Rxb3 31. Rxc7 Rb4 32. Kg2 Rxa4 33. Rc5 Ra1 34. g4 a4 35. Ra5 a3 36. f4 gxf4 37. Kf3 a2 38. Kxf4 Kg6 39. Kf3 Kf6 40. Kg2 Kg6 41. Kh2 Kg7 42. Kg2 f5 43. gxf5 Kf7 44. Kh2 h5 45. Kg2 h4 46. Kh2 h3 47. Ra6 Ke7 48. Ra3 Kf7 49. Ra6 Kg7 50. f6+ Kf7 51. Ra7+ Kxf6 52. Ra6+ Kf5 53. Ra5+ 1/2-1/2

[Event "Goiania-ch U20"]
[Site "Goiania"]
[Date "2013.05.19"]
[Round "4"]
[White "Okada, Dyogo Koithi"]
[Black "Okada, William Kenji"]
[Result "1-0"]
[ECO "B95"]
[WhiteElo "1918"]
[BlackElo "2009"]
[PlyCount "49"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 Be7 8. f3 Nc6 9. g4 Bd7 10. h4 b5 11. h5 h6 12. Be3 Ne5 13. g5 b4 14. Nd1 hxg5 15. Bxg5 Qb6 16. Be2 Rc8 17. Nf2 Nc4 18. Bxc4 Rxc4 19. 0-0-0 a5 20. h6 g6 21. Ng4 Nh7 22. Bxe7 Kxe7 23. e5 dxe5 24. Nf5+ gxf5 25. Qxd7+ 1-0

[Event "Goiania-ch U20"]
[Site "Goiania"]
[Date "2013.05.19"]
[Round "5"]
[White "Rocha, Arthur Ferreira"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1802"]
[BlackElo "1918"]
[PlyCount "103"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 0-0 5. Nc3 c6 6. e4 d6 7. Nge2 e6 8. Bg5 h6 9. Bxf6 Bxf6 10. 0-0 Nd7 11. Qd2 Bg7 12. f4 f5 13. exf5 exf5 14. Rac1 Nf6 15. h3 Be6 16. b3 Qa5 17. Kh2 d5 18. Ne4 Qxd2 19. Nxd2 dxc4 20. Nxc4 Rad8 21. Ne5 Nd7 22. Nxg6 Rfe8 23. Ng1 Kh7 24. Nh4 Nb6 25. Rfe1 Nd5 26. Bxd5 Rxd5 27. Re2 Bd7 28. Rxe8 Bxe8 29. Re1 Bd7 30. Rd1 c5 31. Ngf3 Bb5 32. Ne1 Bf6 33. Nhg2 Bc3 34. Ne3 Rd7 35. Nxf5 Bxe1 36. Rxe1 Bxd3 37. Nh4 Kg7 38. Nf3 Bb5 39. g4 Bc6 40. Kg3 Rd3 41. Rf1 Kf6 42. h4 Be4 43. h5 b6 44. g5+ hxg5 45. fxg5+ Kf5 46. g6 Kf6 47. Kf4 Bxf3 48. Rxf3 Rd4+ 49. Ke3+ Kg5 50. g7 Rd8 51. Rg3+ Kh6 52. g8Q 1-0

[Event "Goiania-ch U20"]
[Site "Goiania"]
[Date "2013.05.18"]
[Round "2"]
[White "Okada, Dyogo Koithi"]
[Black "Almeida, Pedro"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1918"]
[BlackElo "1809"]
[PlyCount "43"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Kg6 8. Bxd5 Ne7 9. Bf7+ Kh6 10. d3+ g5 11. Qf6+ Ng6 12. Qxd8 Be7 13. Qd5 Rd8 14. Qf3 Rf8 15. h4 Kg7 16. hxg5 Rxf7 17. Rxh7+ Kxh7 18. Qxf7+ Kh8 19. Qxg6 Bd7 20. Qf7 Re8 21. g6 b5 22. Qh7# 1-0

[Event "Goiania-ch U20"]
[Site "Goiania"]
[Date "2013.05.18"]
[Round "3"]
[White "Rosa, Paulo Estevao"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1944"]
[BlackElo "1918"]
[PlyCount "91"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e3 e5 2. c4 c6 3. Nf3 e4 4. Nd4 d5 5. cxd5 cxd5 6. Nc3 a6 7. d3 Nf6 8. Qc2 exd3 9. Bxd3 Nc6 10. Nxc6 bxc6 11. b3 Bd6 12. Nxd5 Nxd5 13. Qxc6+ Qd7 14. Qxa8 0-0 15. 0-0 Bb7 16. Qa7 Nb4 17. Be4 Rb8 18. Bxb7 Rxb7 19. Qa8+ Bb8 20. Ba3 Nd5 21. Rfd1 h6 22. e4 Qc7 23. exd5 Qxh2+ 24. Kf1 Rd7 25. Qxa6 Qh1+ 26. Ke2 Qh5+ 27. Ke1 Qe5+ 28. Qe2 Qc3+ 29. Kf1 Qc8 30. Rac1 Qb7 31. Rc2 Bf4 32. Qe8+ Kh7 33. Qe4+ g6 34. Qxf4 Qa6+ 35. Kg1 Qxa3 36. Rc7 Qe7 37. d6 Qe6 38. Rxd7 Qxd7 39. Qf6 Kg8 40. Qe7 Qg4 41. Rc1 Kg7 42. Qe5+ Kh7 43. Qf6 Kg8 44. Re1 Qd7 45. Re7 Qd8 46. Qxf7+ 1-0

[Event "Goiania-ch U20"]
[Site "Goiania"]
[Date "2013.05.18"]
[Round "1"]
[White "Silva, Gustavo Queiroz Dos"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2045"]
[BlackElo "1918"]
[PlyCount "89"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 Nbd7 7. Bd3 c5 8. Nge2 a6 9. 0-0 Qc7 10. Rc1 Rb8 11. Kh1 b5 12. b3 b4 13. Nd5 Qd8 14. Bb1 Nxd5 15. exd5 Re8 16. Re1 e6 17. dxe6 fxe6 18. dxc5 Nxc5 19. Bxc5 dxc5 20. Be4 Bb7 21. Qc2 Qc7 22. Rcd1 Rbd8 23. Bxb7 Qxb7 24. Rxd8 Rxd8 25. Rd1 Qc7 26. Ng3 Rd4 27. Ne4 Qe5 28. Rxd4 Qxd4 29. g3 Qa1+ 30. Kg2 Bd4 31. Qe2 Qg1+ 32. Kh3 Qe3 33. Qxe3 Bxe3 34. f4 h6 35. Kg4 Kf7 36. h4 e5 37. fxe5 Ke6 38. Kf3 Bd4 39. Kf4 Bxe5+ 40. Kf3 Bd4 41. Nd2 Ke5 42. Ne4 Bg1 43. g4 Kd4 44. Ng3 Be3 45. h5 1-0

[Event "Goiania op"]
[Site "Goiania"]
[Date "2013.03.10"]
[Round "6"]
[White "Okada, Dyogo Koithi"]
[Black "Barquette, Edson Tadeu Rodrigu"]
[Result "1/2-1/2"]
[ECO "B95"]
[WhiteElo "1682"]
[BlackElo "1719"]
[PlyCount "52"]
[EventDate "2013.03.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Be7 8. 0-0-0 Qa5 9. Be3 Nbd7 10. Qg3 Nh5 11. Qh3 Ndf6 12. g4 e5 13. Nf5 Bxf5 14. exf5 Nf4 15. Bxf4 exf4 16. Qf3 Qe5 17. Qxb7 0-0 18. Bc4 Rfb8 19. Qf3 Bf8 20. g5 Ne8 21. Qh5 Qxf5 22. Bd3 Nf6 23. Qxf7+ Kxf7 24. Bxf5 g6 25. Bxg6+ hxg6 26. gxf6 Kxf6 1/2-1/2

[Event "Goiania op"]
[Site "Goiania"]
[Date "2013.03.10"]
[Round "5"]
[White "Santos, Luciano da Silva"]
[Black "Okada, Dyogo Koithi"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1914"]
[BlackElo "1682"]
[PlyCount "75"]
[EventDate "2013.03.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. f4 d5 3. Nf3 Bf5 4. e3 e6 5. Bd3 Bd6 6. 0-0 0-0 7. Ne5 Nbd7 8. c3 Ne4 9. Nd2 Ndf6 10. Ndf3 c5 11. h3 Ng3 12. Rf2 Bxd3 13. Nxd3 c4 14. Nde5 Nfe4 15. Rc2 Nf5 16. Ng4 b5 17. a3 a5 18. Nf2 Neg3 19. Nh1 Nxh1 20. Kxh1 b4 21. axb4 axb4 22. Rxa8 Qxa8 23. g4 Ng3+ 24. Kh2 Ne4 25. Qe1 Qa4 26. Rg2 bxc3 27. bxc3 Rb8 28. Bb2 Rb3 29. Qc1 Ba3 30. Qa1 Qa5 31. Rc2 Qa6 32. Nd2 Nxd2 33. Rxd2 Qd6 34. Kg2 g6 35. Bxa3 Rxa3 36. Ra2 Rxa2+ 37. Qxa2 Qb6 38. g5 1/2-1/2

[Event "Goiania op"]
[Site "Goiania"]
[Date "2013.03.09"]
[Round "3"]
[White "Bernardes, Rafael Esteves"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1990"]
[BlackElo "1682"]
[PlyCount "101"]
[EventDate "2013.03.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Ne8 10. c5 f5 11. a4 Nf6 12. Nd2 f4 13. Ba3 g5 14. Nc4 Ng6 15. b5 dxc5 16. Bxc5 Rf7 17. d6 Bf8 18. Ba3 g4 19. dxc7 Qxc7 20. Bxf8 Nxf8 21. b6 Qc5 22. Nd6 Rg7 23. Nxc8 Rxc8 24. bxa7 f3 25. Rc1 Qxa7 26. Nb5 Qb8 27. Bc4+ Kh8 28. Bd5 Rxc1 29. Qxc1 fxg2 30. Kxg2 Ng6 31. Qc5 Nf4+ 32. Kh1 Qd8 33. Nd6 N6xd5 34. exd5 Rd7 35. Ne4 Rxd5 36. Qc3 Qd7 37. Re1 Qf5 38. Ng3 Qd3 39. Qc8+ Kg7 40. Qxg4+ Qg6 41. Qc8 Qc6 42. Qg4+ Kh8 43. f3 Rd3 44. Ne4 Qxa4 45. Nf6 Qb3 46. Rg1 Ng6 47. Qh3 Qf7 48. Qc8+ Kg7 49. Ne8+ Kg8 50. Nd6+ Qf8 51. Qc4+ 1-0

[Event "Goiania op"]
[Site "Goiania"]
[Date "2013.03.09"]
[Round "4"]
[White "Okada, Dyogo Koithi"]
[Black "Di Simoni, Rafaela Moura"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "1682"]
[BlackElo "1594"]
[PlyCount "73"]
[EventDate "2013.03.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 a6 9. f3 Qc7 10. h4 b5 11. g4 Bb7 12. h5 Rc8 13. Bh3 0-0 14. Be3 Rfd8 15. g5 Nd7 16. g6 Nf6 17. gxf7+ Kxf7 18. Bxe6+ Ke8 19. Bxc8 Qxc8 20. Nf5 Ne5 21. Bf4 Nxf3 22. Qg2 Nxe4 23. Nxe4 Bxe4 24. Nxd6+ Bxd6 25. Bxd6 Nd2 26. Qxd2 Bxh1 27. Rxh1 Qc6 28. Qe3+ Kf7 29. Qe7+ Kg8 30. Rg1 Qd7 31. Rxg7+ Kh8 32. Rxh7+ Kg8 33. Qxd7 Rxd7 34. Rxd7 Kh8 35. h6 Kg8 36. h7+ Kh8 37. Be5# 1-0

[Event "Goiania op"]
[Site "Goiania"]
[Date "2013.03.08"]
[Round "1"]
[White "Okada, Dyogo Koithi"]
[Black "Rezende, Guilherme Vilela"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "1682"]
[BlackElo "2016"]
[PlyCount "62"]
[EventDate "2013.03.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 h6 8. Bh4 Nbd7 9. 0-0-0 Be7 10. Qe3 Ng4 11. Qg3 Bxh4 12. Qxg4 Qg5+ 13. Qxg5 Bxg5+ 14. Kb1 Ne5 15. Be2 Bd7 16. Nf3 Nxf3 17. Bxf3 Be7 18. Ne2 0-0-0 19. c4 Kc7 20. Rd3 h5 21. Rhd1 g5 22. e5 d5 23. cxd5 exd5 24. Rxd5 Bf5+ 25. Ka1 g4 26. Rxd8 Rxd8 27. Rxd8 gxf3 28. Rd1 fxe2 29. Rc1+ Kd7 30. a3 Bc5 31. Re1 Bd3 0-1

[Event "BRA-ch U14"]
[Site "Rio de Janeiro"]
[Date "2012.05.13"]
[Round "6"]
[White "Okada, Dyogo Koithi"]
[Black "Barboza, Eduardo Galvao de M"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1677"]
[BlackElo "1824"]
[PlyCount "58"]
[EventDate "2012.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. Bc4 c6 4. Nc3 d6 5. d4 e6 6. Bg5 Qb6 7. Bb3 d5 8. e5 Nd7 9. 0-0 Qc7 10. Qd2 h6 11. Bf4 c5 12. Nb5 Qb6 13. Nd6+ Kf8 14. dxc5 Qxc5 15. Be3 Qc7 16. Qb4 Ne7 17. Qf4 Nf5 18. Nb5 Qa5 19. a4 a6 20. Bd2 Qd8 21. Bb4+ Ke8 22. Nd6+ Nxd6 23. exd6 Qf6 24. Qe3 Qf5 25. Rae1 Kf8 26. Qd2 h5 27. Nd4 Bxd4 28. Qxd4 Rh7 29. f3 g5 1-0

[Event "BRA-ch U14"]
[Site "Rio de Janeiro"]
[Date "2012.05.12"]
[Round "5"]
[White "Brandao, Icaro"]
[Black "Okada, Dyogo Koithi"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1795"]
[BlackElo "1677"]
[PlyCount "120"]
[EventDate "2012.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. g3 Bc5 4. Bg2 Nf6 5. d3 h6 6. 0-0 d6 7. Re1 Bg4 8. Be3 Bxe3 9. Rxe3 Qd7 10. c3 0-0-0 11. Nbd2 g5 12. Qf1 Rdg8 13. h3 Be6 14. d4 exd4 15. Nxd4 Ne5 16. Nxe6 Qxe6 17. Nf3 h5 18. Nxe5 dxe5 19. Qe2 Rd8 20. b3 h4 21. g4 Nd7 22. Qf3 Nc5 23. Bf1 Rd2 24. b4 Nd7 25. Re2 Rxe2 26. Bxe2 Rh6 27. Qf5 Qxf5 28. exf5 Rc6 29. c4 Nb6 30. c5 Nd5 31. Bf3 Nxb4 32. Bxc6 Nxc6 33. Rd1 Nd4 34. Rd3 Kd7 35. Kf1 Kc6 36. Rc3 Kb5 37. a3 Kc6 38. a4 a5 39. f3 b5 40. cxb6+ Kxb6 41. Kf2 Kb7 42. Ke3 f6 43. Ke4 c6 44. Ke3 Kb6 45. Rc1 c5 46. Rb1+ Kc7 47. Ke4 Kc6 48. Rb8 Kd6 49. Rb6+ Nc6 50. Ra6 c4 51. Rb6 Kc5 52. Rb5+ Kd6 53. Rd5+ Ke7 54. Rc5 Nd4 55. Rxc4 Nb3 56. Rc7+ Kd6 57. Ra7 Nd2+ 58. Ke3 Nc4+ 59. Kd3 Nb2+ 60. Ke2 Nc4 1/2-1/2

[Event "BRA-ch U14"]
[Site "Rio de Janeiro"]
[Date "2012.05.12"]
[Round "3"]
[White "Lemos, Dawton Almino"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1917"]
[BlackElo "1677"]
[PlyCount "61"]
[EventDate "2012.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Qd3 Nf6 6. Nxc6 dxc6 7. Nc3 Bb4 8. e5 Ng4 9. Qe2 0-0 10. Bd2 Re8 11. g3 Qe7 12. f4 f6 13. h3 Nh6 14. exf6 gxf6 15. Qxe7 Rxe7+ 16. Ne2 Bc5 17. 0-0-0 Be6 18. Bc3 Bd5 19. Rh2 Rae8 20. Bxf6 Be3+ 21. Kb1 Rd7 22. Nc3 Nf5 23. Nxd5 Rxd5 24. Bc4 Kf8 25. Bxd5 cxd5 26. Be5 c6 27. g4 Nh4 28. Re2 Bxf4 29. Rf1 Ng6 30. Bd6+ Kf7 31. Rxe8 1-0

[Event "BRA-ch U14"]
[Site "Rio de Janeiro"]
[Date "2012.05.12"]
[Round "4"]
[White "Okada, Dyogo Koithi"]
[Black "Goncalves, Leonardo Yamamoto"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1677"]
[BlackElo "1848"]
[PlyCount "88"]
[EventDate "2012.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. f3 Qb6 9. Bb3 Nxe4 10. fxe4 Bxd4 11. Nd5 Qa5+ 12. c3 Bxe3 13. Nxe3 Qe5 14. Qf3 d6 15. 0-0 Qg7 16. Qe2 Bd7 17. Rf4 Be6 18. Bd5 Qe5 19. Raf1 Bxd5 20. Nxd5 f5 21. Qc4 Kh8 22. b4 Rac8 23. Qd3 e6 24. Ne3 Kg7 25. exf5 exf5 26. Nc4 Qe6 27. Qxd6 Qxd6 28. Nxd6 Rc7 29. g4 Rd7 30. Nc4 Rdf7 31. gxf5 Rf6 32. b5 Ne7 33. Kg2 Nxf5 34. Kg1 Ne7 35. Rxf6 Rxf6 36. Rxf6 Kxf6 37. Kf2 Nd5 38. a4 Nxc3 39. Nb2 Ke5 40. Ke3 Nd5+ 41. Kd3 Nb6 42. a5 Nd7 43. Nc4+ Kd5 44. Ne3+ Kc5 0-1

[Event "BRA-ch U14"]
[Site "Rio de Janeiro"]
[Date "2012.05.11"]
[Round "2"]
[White "Okada, Dyogo Koithi"]
[Black "Takeda, Lucas Koji"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1677"]
[BlackElo "1902"]
[PlyCount "80"]
[EventDate "2012.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd2 d6 8. Bd3 Nc6 9. 0-0 Be6 10. Qf3 Bxc3 11. Bxc3 0-0 12. Qg3 Nh5 13. Qf3 g6 14. Rad1 Qc7 15. Bd2 f6 16. Qe2 a5 17. Bc4 Nd4 18. Bxe6+ Nxe6 19. Qd3 a4 20. Qd5 axb3 21. Qxe6+ Qf7 22. Qxb3 Rxa2 23. Qxf7+ Rxf7 24. Bc3 Nf4 25. Rfe1 Rd7 26. g3 Ne6 27. f4 exf4 28. gxf4 Nxf4 29. Bxf6 Rc7 30. Bc3 Rc6 31. Kf2 Kf7 32. Kf3 Ne6 33. e5 dxe5 34. Rd7+ Kg8 35. Rxb7 e4+ 36. Ke3 Ra4 37. Rd1 Ra8 38. Rdd7 Re8 39. Rxh7 Rxc3+ 40. bxc3 Rc8 1-0

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.22"]
[Round "6"]
[White "Barbalho, Gilsomar Silva"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "1992"]
[BlackElo "1686"]
[PlyCount "59"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 Nf6 12. d4 Bd6 13. Re1 Ng4 14. Qf3 Qh4 15. Re4 h5 16. Nd2 c5 17. Bd5 Ra7 18. Nf1 Kh8 19. Bf4 Bxf4 20. Rxf4 f5 21. hxg4 hxg4 22. Qg3 Qh7 23. dxc5 g5 24. Qc3+ Rg7 25. Rd4 f4 26. Be4 Qh6 27. Rd6 Qh4 28. Rg6 Rfg8 29. Qf6 Kh7 30. Rh6# 1-0

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.22"]
[Round "5"]
[White "Okada, Dyogo Koithi"]
[Black "Di Simoni, Rafaela Moura"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1686"]
[BlackElo "1665"]
[PlyCount "87"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 a6 10. g4 b5 11. h4 b4 12. Nd5 a5 13. h5 a4 14. Nc1 a3 15. bxa3 bxa3 16. Bb5 Bd7 17. Bb6 Nd4 18. Kf2 Nxe4+ 19. fxe4 Bh4+ 20. Kg2 Qg5 21. Qxg5 Bxg5 22. Bxd7+ Kxd7 23. Bxd4 exd4 24. Nb6+ Kc6 25. Nxa8 Rxa8 26. Nb3 Re8 27. Kf3 Bf6 28. Rad1 Bg5 29. Nxd4+ Kc7 30. Nf5 Rb8 31. Rb1 Rf8 32. Ke2 Kd7 33. Kd3 Ke6 34. Nxg7+ Ke5 35. Nf5 f6 36. Rhf1 h6 37. Ng7 d5 38. Rf5+ Kd6 39. Rxd5+ Kc6 40. Nf5 Re8 41. Kd4 Kc7 42. Rc5+ Kd7 43. Rb7+ Ke6 44. Rc6# 1-0

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.21"]
[Round "4"]
[White "Campos, Otavio Moraes"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1817"]
[BlackElo "1686"]
[PlyCount "79"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. d5 b5 5. cxb5 a6 6. bxa6 Bxa6 7. Nc3 d6 8. g3 Bg7 9. Bg2 Nbd7 10. 0-0 0-0 11. Re1 Qc7 12. e4 Ng4 13. Qc2 Nge5 14. Nxe5 Nxe5 15. Be3 Nd3 16. Red1 c4 17. Rab1 Rfb8 18. Bd2 Rb4 19. b3 cxb3 20. Rxb3 Rxb3 21. Qxb3 Qc5 22. Rf1 Bc4 23. Qb7 Rc8 24. Bh3 Rf8 25. Qxe7 Bd4 26. Nd1 Nxf2 27. Rxf2 Be2 28. Bh6 Rb8 29. Qxf7+ Kh8 30. Kg2 Bf1+ 31. Kxf1 Qb5+ 32. Kg2 Qe8 33. Qxe8+ Rxe8 34. Re2 Be5 35. Bf4 Bxf4 36. gxf4 Rd8 37. Be6 Kg7 38. e5 h6 39. Nc3 h5 40. Nb5 1-0

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.21"]
[Round "3"]
[White "Okada, Dyogo Koithi"]
[Black "Silva, Gustavo Queiroz Dos"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1686"]
[BlackElo "1941"]
[PlyCount "52"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. c3 Qa5 5. Bc4 cxd4 6. Nxd4 Nc6 7. 0-0 Nf6 8. Re1 d6 9. Nd2 Bd7 10. b4 Qc7 11. Qb3 0-0 12. Bb2 a6 13. a4 Rac8 14. Rac1 Ng4 15. f4 Qb6 16. h3 Nxd4 17. cxd4 Bxd4+ 18. Bxd4 Qxd4+ 19. Kh1 Nf2+ 20. Kh2 Qxd2 21. Rf1 Nxe4 22. Qf3 Nf6 23. f5 d5 24. Rcd1 Qxb4 25. Bxd5 Nxd5 26. Qxd5 Qd6+ 0-1

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.20"]
[Round "2"]
[White "Correa, Lorenna Martins"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1840"]
[BlackElo "1686"]
[PlyCount "110"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nf3 d6 7. g3 g6 8. Bg2 Bg7 9. 0-0 0-0 10. Nc3 Nbd7 11. Qc2 Qc7 12. Rd1 Rfb8 13. Rb1 Nb6 14. b3 Nbd7 15. Bb2 c4 16. Nd2 Ne5 17. h3 cxb3 18. Nxb3 Nfd7 19. Rbc1 Rc8 20. Nd4 Nc4 21. Ba1 Nde5 22. Nc6 Nxc6 23. dxc6 Na3 24. Qe4 e6 25. Qb4 Nc4 26. Ne4 Rcb8 27. Qe1 Bxa1 28. Rxa1 d5 29. Nf6+ Kg7 30. Qc3 Qe5 31. Qxe5 Nxe5 32. Ng4 Nxg4 33. hxg4 Bxe2 34. Rd4 Rc8 35. Rc1 Rxa2 36. Rb4 Ra6 37. c7 Ra7 38. Rb2 Bc4 39. Rbc2 Rcxc7 40. Bf1 Ra4 41. g5 Kf8 42. f4 Ke7 43. Kf2 Kd6 44. Bxc4 Rcxc4 45. Rxc4 Rxc4 46. Rh1 d4 47. Rxh7 Rc7 48. Ke2 e5 49. Rh3 e4 50. Kd2 Kd5 51. g4 e3+ 52. Ke2 Ke4 53. f5 d3+ 54. Kd1 e2+ 55. Kd2 Rc2+ 0-1

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.20"]
[Round "1"]
[White "Okada, Dyogo Koithi"]
[Black "Silva, Vitor De Souza Mart"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1686"]
[BlackElo "1953"]
[PlyCount "66"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Bxc5 7. Bd3 Nc6 8. Bf4 f6 9. exf6 Nxf6 10. 0-0 0-0 11. Bg5 Qe8 12. Re1 Ng4 13. Re2 Qh5 14. h3 Nxf2 15. Rxf2 Bxf2+ 16. Kxf2 Qxg5 17. Kg1 Qe3+ 18. Kh1 Bd7 19. Qe1 Rxf3 20. gxf3 Qxf3+ 21. Kh2 Rf8 22. Qh4 Qf4+ 23. Qxf4 Rxf4 24. Kg3 Rf6 25. Re1 Nb4 26. Bb5 Bc6 27. Bxc6 Nxc6 28. Ne2 Kf7 29. c3 g5 30. h4 gxh4+ 31. Kxh4 Ne5 32. Kg3 a6 33. Nf4 Rxf4 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2012.03.11"]
[Round "5"]
[White "Okada, Dyogo Koithi"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1686"]
[BlackElo "1923"]
[PlyCount "106"]
[EventDate "2012.03.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Bg5 Nbd7 9. Qd2 b5 10. g4 Be7 11. h4 h6 12. Be3 Qc7 13. 0-0-0 Nc5 14. Nxc5 dxc5 15. g5 hxg5 16. hxg5 Nh5 17. Nd5 Bxd5 18. exd5 0-0-0 19. Bh3+ Kb7 20. Bg4 g6 21. Qd3 c4 22. Qd2 Bd6 23. Kb1 Rde8 24. Qf2 f5 25. gxf6 Nxf6 26. Be6 c3 27. Bg5 Nh5 28. bxc3 Qxc3 29. Qd2 Qxd2 30. Rxd2 Ref8 31. Bg4 Ng3 32. Rxh8 Rxh8 33. Rg2 Ba3 34. c3 Rh1+ 35. Kc2 Nf5 36. Kd3 Kc7 37. f4 Bd6 38. fxe5 Bxe5 39. c4 bxc4+ 40. Kxc4 Kd6 41. Bd2 Rh4 42. Bg5 Rh1 43. a4 Rh8 44. Bf3 Rc8+ 45. Kd3 Rc3+ 46. Kd2 Rxf3 47. Bd8 Rg3 48. Re2 Kxd5 49. a5 Ra3 50. Ke1 Rd3 51. Kf2 g5 52. Bxg5 Bd4+ 53. Kf1 Ng3+ 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2012.03.11"]
[Round "6"]
[White "Rosa, Joao Paulo"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1558"]
[BlackElo "1686"]
[PlyCount "76"]
[EventDate "2012.03.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Nf3 d6 5. Bg2 0-0 6. 0-0 c5 7. d3 Nc6 8. Re1 Ne8 9. e4 Nc7 10. Be3 Bg4 11. Qd2 Ne6 12. Bh6 Bxh6 13. Qxh6 Bxf3 14. Bxf3 Ned4 15. Bd1 f5 16. a3 Ne5 17. Kg2 Nxd3 18. Rf1 Nxb2 19. Rb1 Nxc4 20. exf5 Rxf5 21. Bg4 Rf8 22. Rxb7 Ne5 23. Bh3 Qe8 24. Nd5 Qc6 25. Rxe7 Qxd5+ 26. f3 Rf7 27. Rxf7 Nxf7 28. Qd2 Re8 29. Rf2 Re2 30. Qc3 Rxf2+ 31. Kxf2 Qa2+ 32. Kf1 Qe2+ 33. Kg1 Nxf3+ 34. Qxf3 Qxf3 35. a4 Ng5 36. Bd7 Ne4 37. Bc6 Qf2+ 38. Kh1 Qf1# 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2012.03.10"]
[Round "4"]
[White "Okada, Dyogo Koithi"]
[Black "Froes, Leonardo Sanches"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1686"]
[BlackElo "1886"]
[PlyCount "104"]
[EventDate "2012.03.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. e5 e6 5. d4 c5 6. h3 Bxf3 7. Qxf3 cxd4 8. Bb5+ Nc6 9. Ne2 Qb6 10. a4 Nge7 11. Bf4 Ng6 12. Bh2 Bc5 13. 0-0 0-0 14. Bd3 Ncxe5 15. Bxe5 Nxe5 16. Bxh7+ Kxh7 17. Qh5+ Kg8 18. Qxe5 f6 19. Qh5 Qc7 20. Rad1 e5 21. Rd3 Qf7 22. Qh4 Rac8 23. c3 e4 24. Rg3 Bd6 25. Nxd4 Bxg3 26. Qxg3 f5 27. Rd1 Qd7 28. Nb5 f4 29. Qg5 Rf5 30. Qg4 Rcf8 31. Nd4 R5f7 32. Qg5 Qxa4 33. b3 Qd7 34. c4 dxc4 35. bxc4 f3 36. Rd2 fxg2 37. Qe3 Qe7 38. Kxg2 Rf6 39. Qg5 Qf7 40. Qe3 Rg6+ 41. Kh1 Qxc4 42. Re2 Qc8 43. Rc2 Qd7 44. Kh2 Qd6+ 45. Kh1 Qf4 46. Qb3+ Qf7 47. Qe3 Rf6 48. Kg1 Qd5 49. Rc7 Rg6+ 50. Kh1 Rd8 51. Qb3 Qxb3 52. Nxb3 Rd3 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2012.03.10"]
[Round "3"]
[White "Rosa, Pedro Paulo"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1739"]
[BlackElo "1686"]
[PlyCount "76"]
[EventDate "2012.03.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. d3 Bg4 6. h3 Bh5 7. Bg5 f6 8. Bd2 Qd7 9. Bb5 a6 10. Ba4 b5 11. Bb3 Nd4 12. Nxe5 Bxd1 13. Nxd7 Nxb3 14. Rxd1 Bxf2+ 15. Kxf2 Nxd2 16. Nxf6+ Nxf6 17. Rxd2 0-0 18. Ke3 Rae8 19. Rf2 b4 20. Ne2 Nd5+ 21. Kd4 Rxf2 22. Kxd5 Rxe2 23. Rc1 Rxg2 24. Kc6 Re7 25. Kb7 a5 26. Ka6 Re5 27. Kb7 Rc5 28. c4 bxc3 29. bxc3 Rb2+ 30. Kc8 Rxa2 31. d4 Rc4 32. Kd7 a4 33. Ke6 a3 34. Rb1 Rb2 35. Kd5 Rxb1 36. Kxc4 a2 37. e5 a1Q 38. exd6 cxd6 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2012.03.09"]
[Round "2"]
[White "Okada, Dyogo Koithi"]
[Black "Lavrador, Felipe Liborio"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1686"]
[BlackElo "1755"]
[PlyCount "51"]
[EventDate "2012.03.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 a6 6. Be3 Nf6 7. f3 e5 8. Nb3 Be6 9. Qd2 Be7 10. h4 Nd7 11. h5 Bh4+ 12. Bf2 Bxf2+ 13. Qxf2 h6 14. 0-0-0 b5 15. Rxd6 Nb4 16. a3 Nxc2 17. Qxc2 0-0 18. Kb1 Rc8 19. Nc1 a5 20. Bxb5 Rc5 21. Qd2 Rc7 22. Rd1 Qc8 23. Bxd7 Bxd7 24. Rxd7 Rxd7 25. Qxd7 Qxd7 26. Rxd7 1-0

[Event "Goiania op"]
[Site "Goiania"]
[Date "2012.03.09"]
[Round "1"]
[White "Wilhelms, Diego Lima"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2170"]
[BlackElo "1686"]
[PlyCount "51"]
[EventDate "2012.03.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. c5 Rf7 14. Rc1 Bf8 15. Nb5 Kh8 16. cxd6 cxd6 17. Nc7 h5 18. Nxa8 Neg8 19. Qc2 Bd7 20. Nc7 g5 21. Nf2 Rg7 22. Bb5 Bxb5 23. Nxb5 Qb6 24. Nc7 Be7 25. Ne6 Rg6 26. Qb3 1-0

[Event "BRA-ch Amateur"]
[Site "Goiania"]
[Date "2012.02.21"]
[Round "7"]
[White "Okada, Dyogo Koithi"]
[Black "Baiao, Anderson Rodrigues"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "1710"]
[PlyCount "41"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. g4 Qc8 11. Bb3 a5 12. a3 Nxd4 13. Bxd4 b5 14. h4 b4 15. axb4 axb4 16. Rxa8 Qxa8 17. Nd1 Nxe4 18. Qd3 Nf6 19. h5 Nxg4 20. hxg6 hxg6 21. Qxg6 1-0

[Event "BRA-ch Amateur"]
[Site "Goiania"]
[Date "2012.02.20"]
[Round "6"]
[White "Froes, Leonardo Sanches"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1915"]
[BlackElo "1710"]
[PlyCount "42"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 Bf5 7. Nbd2 Nbd7 8. Bd3 Bxd3 9. cxd3 Re8 10. 0-0 e5 11. Bh2 c5 12. Nc4 Qe7 13. dxe5 dxe5 14. Ncxe5 Nxe5 15. Bxe5 Rad8 16. d4 Bh6 17. Qa4 b6 18. Bxf6 Qxf6 19. Qxa7 cxd4 20. exd4 b5 21. Qb7 Rb8 1-0

[Event "BRA-ch Amateur"]
[Site "Goiania"]
[Date "2012.02.20"]
[Round "5"]
[White "Okada, Dyogo Koithi"]
[Black "Da Silva, Alexandre Mota"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1710"]
[BlackElo "1809"]
[PlyCount "55"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. d3 c6 6. Bd2 Qc7 7. Nge2 Bg4 8. f3 Bh5 9. d4 e6 10. Be3 Bd6 11. Qd2 b5 12. Bd3 Nbd7 13. Nf4 Bg6 14. Nxg6 hxg6 15. 0-0-0 a5 16. Rhe1 Nb6 17. Ne4 Nxe4 18. fxe4 0-0 19. Qe2 b4 20. h4 a4 21. h5 e5 22. Qf2 exd4 23. Bxd4 c5 24. e5 Be7 25. Be3 g5 26. Qf5 f6 27. e6 Rf7 28. Qh7+ 1-0

[Event "BRA-ch Amateur"]
[Site "Goiania"]
[Date "2012.02.19"]
[Round "4"]
[White "Ferreira, Claudio Jose"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "1969"]
[BlackElo "1710"]
[PlyCount "58"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. b3 Nc6 7. Bb2 Bf5 8. Nh4 Bd7 9. Nd2 Qc8 10. Re1 Bh3 11. Bh1 e5 12. dxe5 Nxe5 13. Ndf3 Neg4 14. Bxf6 Bxf6 15. Rb1 Re8 16. Qd2 Qd7 17. Ng5 Qb5 18. Nxh3 Qc5 19. b4 Qb6 20. Nf3 Re7 21. e3 Rae8 22. Nf4 c6 23. h3 Nxe3 24. Rxe3 Rxe3 25. fxe3 Rxe3 26. Kh2 Bc3 27. Qf2 d5 28. Nd2 Bg7 29. Rb3 d4 1-0

[Event "BRA-ch Amateur"]
[Site "Goiania"]
[Date "2012.02.19"]
[Round "3"]
[White "Okada, Dyogo Koithi"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1710"]
[BlackElo "1923"]
[PlyCount "72"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. e5 e6 5. d4 Bb4 6. a3 Ba5 7. b4 Bc7 8. a4 Ne7 9. Bg5 h6 10. Bh4 g5 11. Bg3 Nf5 12. Ne2 a5 13. h3 Bxf3 14. gxf3 axb4 15. f4 Ba5 16. Bh2 Nh4 17. Qd3 Qb6 18. fxg5 b3+ 19. c3 hxg5 20. Rg1 Nf5 21. Rxg5 Nxd4 22. Nxd4 c5 23. Qb5+ Nd7 24. Qxb6 Bxc3+ 25. Kd1 Nxb6 26. Nxb3 Bxa1 27. Nxa1 Nxa4 28. Nb3 c4 29. Nd4 Nc3+ 30. Kc2 Ne4 31. Rg1 Ra2+ 32. Kc1 Rxf2 33. Rh1 Ke7 34. Ne2 Ra8 35. Kd1 Ra1+ 36. Nc1 Rb2 0-1

[Event "BRA-ch Amateur"]
[Site "Goiania"]
[Date "2012.02.18"]
[Round "2"]
[White "Di Simoni, Rafaela Moura"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1665"]
[BlackElo "1710"]
[PlyCount "118"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nbd7 8. d5 Ne8 9. Ne1 f5 10. f3 f4 11. Nd3 Rf7 12. b4 Bf8 13. c5 dxc5 14. bxc5 Nxc5 15. Ba3 Nxd3 16. Bxf8 Rxf8 17. Bxd3 Nd6 18. Nb5 Nxb5 19. Bxb5 Qd6 20. Rc1 Qb6+ 21. Kh1 Qxb5 22. Rxc7 Rd8 23. a4 Qb6 24. Qc1 Bd7 25. Rd1 Rdc8 26. d6 Qe3 27. Re1 Qxc1 28. Rexc1 Rxc7 29. dxc7 Rc8 30. g4 Bxa4 31. h4 Kf7 32. h5 g5 33. Rc4 b5 34. Rc5 Ke6 35. Rc6+ Kf7 36. Rc5 a6 37. Rxe5 Rxc7 38. Rxg5 Rc6 39. Rf5+ Rf6 40. Rc5 b4 41. Rc7+ Kg8 42. Rc8+ Kg7 43. Rc7+ Kh6 44. Kh2 Bd1 45. Kh3 Bxf3 46. Kh4 Bxg4 47. Kxg4 b3 48. e5 Rb6 49. Kf5 b2 50. e6 b1Q+ 51. Kf6 Qb2+ 52. Kf7 Qe5 53. e7 Qxc7 54. Kf8 Rb8+ 55. Kf7 Kg5 56. Ke6 Rb6+ 57. Kf7 Rf6+ 58. Kg8 Qxe7 59. h6 Rf8# 0-1

[Event "BRA-ch Amateur"]
[Site "Goiania"]
[Date "2012.02.18"]
[Round "1"]
[White "Okada, Dyogo Koithi"]
[Black "Moura, Victor Cavinato"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1710"]
[BlackElo "2013"]
[PlyCount "60"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. g4 d5 10. 0-0-0 dxe4 11. Kb1 Nxd4 12. Bxd4 exf3 13. Qf4 Qa5 14. Bh3 Be6 15. Rhf1 Rfd8 16. Rxf3 Rac8 17. g5 Nh5 18. Qe4 Rxc3 19. bxc3 Qxa2+ 20. Kc1 Qa3+ 21. Kd2 Bxh3 22. Rxh3 Rxd4+ 23. cxd4 Qxh3 24. Qxe7 Qxh2+ 25. Kc3 Qg2 26. Re1 Bf8 27. Qd8 Nf4 28. Re8 Qc6+ 29. Kd2 Ne6 30. Qe7 Qd5 0-1

[Event "Wch U14"]
[Site "Caldas Novas"]
[Date "2011.11.24"]
[Round "7"]
[White "Goncalves, Gabriel Silva"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "1715"]
[PlyCount "50"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. c3 Nf6 6. Nbd2 d6 7. Nf1 Bg4 8. Be3 Qd7 9. Bxc5 dxc5 10. Bb3 0-0-0 11. Bc2 Qe7 12. Qe2 Nh5 13. Qe3 Nf4 14. Rg1 Rd7 15. 0-0-0 Qf6 16. h3 Nxg2 17. Rxg2 Bxf3 18. Rg6 fxg6 19. Rd2 Bh5 20. Qxc5 Rf8 21. Ba4 Rdf7 22. Ne3 Qe7 23. Qc4 Rxf2 24. Bxc6 bxc6 25. Qxc6 Qd6 0-1

[Event "Wch U14"]
[Site "Caldas Novas"]
[Date "2011.11.22"]
[Round "5"]
[White "Okada, Dyogo Koithi"]
[Black "Dos Santos Hestevao, Pereira Tomaz"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "1715"]
[PlyCount "61"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 e6 4. Nc3 Bb4 5. Qg4 f6 6. Qxg7 Nxd4 7. Bd3 Qe7 8. Qxh8 Qf7 9. exf6 Bd7 10. Be3 0-0-0 11. Bxd4 Nh6 12. Qxh7 Qxh7 13. Bxh7 Nf5 14. Bxf5 exf5 15. 0-0-0 c5 16. Be5 Bc6 17. f7 c4 18. Bg7 d4 19. Nf3 dxc3 20. Rxd8+ Kxd8 21. bxc3 Bc5 22. Ne5 Bd5 23. Rd1 Kc7 24. Rxd5 Ba3+ 25. Kd2 Kb6 26. Nxc4+ Kc6 27. Nxa3 Kxd5 28. f8Q Kc6 29. Qxf5 a6 30. Qe6+ Kc5 31. Bd4# 1-0

[Event "Wch U14"]
[Site "Caldas Novas"]
[Date "2011.11.20"]
[Round "4"]
[White "Boeira, Dimitri Ariel Pires"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "E97"]
[BlackElo "1715"]
[PlyCount "59"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 e5 6. Be2 0-0 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nd7 10. Re1 f5 11. Ng5 Nf6 12. Bf1 h6 13. Ne6 Bxe6 14. dxe6 Nc6 15. Ba3 Ng4 16. h3 Nf6 17. c5 Nh7 18. cxd6 cxd6 19. Qd5 Kh8 20. b5 Nf6 21. Qxd6 Nd4 22. Qxd8 Rfxd8 23. e7 Re8 24. Rac1 fxe4 25. Bc4 Rec8 26. Bf7 Kh7 27. Kh1 Ne8 28. Rxe4 Bf6 29. Nd5 Nxb5 30. Bxe8 1-0

[Event "Wch U14"]
[Site "Caldas Novas"]
[Date "2011.11.20"]
[Round "3"]
[White "Okada, Dyogo Koithi"]
[Black "Guimaraes, Lucas dos S Peixoto"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1715"]
[PlyCount "96"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[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. g4 d5 10. 0-0-0 dxe4 11. Qf2 Qc7 12. Ncb5 Qb8 13. g5 Nh5 14. fxe4 Bg4 15. Rd3 a6 16. Nc3 Ne5 17. Rd2 Rc8 18. Nd5 Re8 19. h3 Bd7 20. Nb6 Ra7 21. Nxd7 Nxd7 22. Nb3 Qe5 23. Bxa7 Ng3 24. Bc4 Qxb2+ 25. Kd1 Ne5 26. Bxf7+ Nxf7 27. Qxg3 Qb1+ 28. Nc1 Bb2 29. Ke2 Bxc1 30. Qc7 Qb5+ 31. c4 Qxg5 32. Rxc1 Qg2+ 33. Kd1 Qh1+ 34. Kc2 Qxe4+ 35. Kb3 b5 36. Rd4 Qe2 37. Qf4 Nd6 38. Rf1 e5 39. Rf2 bxc4+ 40. Kb4 Qe1+ 41. Qd2 exd4 42. Bxd4 Qb1+ 43. Bb2 Rb8+ 44. Ka3 Nb5+ 45. Kb4 Nd6+ 46. Ka3 Qd3+ 47. Ka4 Ne4 48. Qf4 Nc5+ 0-1

[Event "Wch U14"]
[Site "Caldas Novas"]
[Date "2011.11.18"]
[Round "1"]
[White "Okada, Dyogo Koithi"]
[Black "Sosa, Tomas Sebastian"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "1715"]
[BlackElo "2132"]
[PlyCount "60"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Bb5 Qb6 11. Nd5 Qxd4 12. Qxd4 Bxd4 13. Nc7+ Kd8 14. Nxa8 Bxb2 15. Rd1 Bc3+ 16. Kf1 Nd4 17. Ba4 b5 18. Rd3 b4 19. h3 Ne5 20. Bxe5 dxe5 21. Kg1 Bb7 22. Nb6 axb6 23. f3 Ba6 24. Rd1 Kc7 25. Kf2 Rg8 26. g4 Rg6 27. h4 Rf6 28. hxg5 hxg5 29. Rh5 Rxf3+ 30. Kg2 Be2 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2011.09.18"]
[Round "5"]
[White "Mattos, Joao Pedro da Gama"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1721"]
[PlyCount "46"]
[EventDate "2011.09.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 d6 5. 0-0 Bg4 6. d3 h6 7. h3 Bh5 8. Nd5 Nf6 9. c3 g5 10. Be3 Rg8 11. Bxc5 dxc5 12. Ne3 g4 13. hxg4 Nxg4 14. Nxg4 Bxg4 15. Qb3 Qd7 16. Nh2 Na5 17. Qb5 Nxc4 18. Qxc4 0-0-0 19. f3 Be6 20. Qxc5 Rg6 21. Qxa7 Qb5 22. c4 Qxb2 23. Rab1 Qxg2# 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2011.09.18"]
[Round "6"]
[White "Okada, Dyogo Koithi"]
[Black "Vieira, Benedito Reginaldo"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1721"]
[PlyCount "49"]
[EventDate "2011.09.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. c3 Bd6 5. Qc2 0-0 6. d4 exd4 7. cxd4 Nb4 8. Qe2 Nxe4 9. Qxe4 Re8 10. Ne5 Bxe5 11. dxe5 d5 12. Bxd5 Nxd5 13. 0-0 c6 14. b3 Re6 15. Rd1 Rg6 16. Qf3 Be6 17. Nd2 Qb6 18. Nc4 Qc5 19. a4 Nf4 20. Ba3 Qe7 21. Bxe7 Rxg2+ 22. Qxg2 Nxg2 23. Kxg2 a6 24. Rd8+ Rxd8 25. Bxd8 1-0

[Event "Goiania op"]
[Site "Goiania"]
[Date "2011.09.17"]
[Round "3"]
[White "Nakamura, Yan Felipe Diamanti"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1721"]
[PlyCount "64"]
[EventDate "2011.09.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 d6 5. d3 Bg4 6. h3 Bh5 7. Be3 Nd4 8. g4 Bg6 9. Na4 Qf6 10. Nxd4 exd4 11. g5 Qe7 12. Bd2 0-0-0 13. Nxc5 dxc5 14. Qe2 f6 15. h4 h6 16. gxh6 Nxh6 17. Rg1 Be8 18. 0-0-0 Rd6 19. Qf3 Nf7 20. Rxg7 Qf8 21. Rdg1 b5 22. Bxf7 Bxf7 23. Qf5+ Kb7 24. Qxc5 Rh5 25. Qb4 Qe8 26. a4 a5 27. Qxa5 Ra6 28. Qxa6+ Kxa6 29. axb5+ Rxb5 30. Rh7 Rh5 31. Rgg7 Rxh7 32. Rxh7 Qg8 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2011.09.17"]
[Round "4"]
[White "Okada, Dyogo Koithi"]
[Black "Rezende, Guilherme Vilela"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1721"]
[BlackElo "2060"]
[PlyCount "54"]
[EventDate "2011.09.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Bb4 7. Bd2 Nf6 8. Bd3 0-0 9. Qe2 d6 10. g4 Nc6 11. Nb3 Ne5 12. g5 Nfd7 13. h4 b5 14. h5 Bb7 15. f3 f5 16. 0-0-0 Nxf3 17. Rh3 Nxd2 18. Rxd2 Bxc3 19. bxc3 fxe4 20. Bxe4 Bxe4 21. Qxe4 Ne5 22. g6 h6 23. Nd4 Qc4 24. Re3 Rf1+ 25. Kb2 Rc8 26. Qb7 Qc5 27. Nxe6 Nc4+ 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2011.09.16"]
[Round "1"]
[White "Bastos, Guilherme Exterhott"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "C23"]
[WhiteElo "1986"]
[BlackElo "1721"]
[PlyCount "28"]
[EventDate "2011.09.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. Nh3 d6 4. 0-0 Nf6 5. Bb5+ c6 6. Bc4 d5 7. Bd3 Bxh3 8. gxh3 Nxe4 9. Qe2 0-0 10. a4 Nd7 11. Qf3 Ng5 12. Nc3 Nxf3+ 13. Kh1 Qg5 14. Rg1 Qxg1# 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2011.09.16"]
[Round "2"]
[White "Okada, Dyogo Koithi"]
[Black "Batista, Gerson Peres"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1721"]
[BlackElo "2201"]
[PlyCount "52"]
[EventDate "2011.09.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bd3 Bf5 8. cxd4 Bxd3 9. dxe5 Qxd5 10. f4 Qxg2 11. Qf3 Qxf3 12. Nxf3 Nd5 13. Kf2 Bc5+ 14. Kg3 0-0 15. Nc3 Rad8 16. Ne1 Ne7 17. a3 c6 18. b4 Bb6 19. Bb2 Bc4 20. Rd1 Bb3 21. d3 Nf5+ 22. Kf3 Bxd1+ 23. Ne2 Nd4+ 24. Kg3 f6 25. Nc3 fxe5 26. fxe5 Ne2+ 0-1

[Event "Goiania Interamerica Schools"]
[Site "Goiania"]
[Date "2011.06.19"]
[Round "4"]
[White "Nakamura, Yan Felipe Diamanti"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1726"]
[PlyCount "59"]
[EventDate "2011.06.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. Be3 Nd4 7. h3 d6 8. Bxd4 exd4 9. Ne2 Nd7 10. a3 Qf6 11. Qd2 Ne5 12. Nxe5 dxe5 13. Qa5 Bb6 14. Qb5+ Bd7 15. Qb3 0-0-0 16. Rf1 Qg5 17. Ng3 f5 18. exf5 Bc6 19. Ne2 Ba5+ 20. c3 dxc3 21. bxc3 e4 22. d4 e3 23. d5 exf2+ 24. Rxf2 Bd7 25. Nd4 Qg3 26. Ne2 Rhe8 27. Kf1 Qh2 28. Rb1 Bb6 29. a4 Bxf5 30. Rb2 0-1

[Event "Goiania Interamerica Schools"]
[Site "Goiania"]
[Date "2011.06.19"]
[Round "5"]
[White "Okada, Dyogo Koithi"]
[Black "Bernades, Rafael Esteves"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1726"]
[PlyCount "35"]
[EventDate "2011.06.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Bb4 7. Qd2 Nf6 8. f3 d5 9. Bd3 dxe4 10. fxe4 b5 11. 0-0 Ng4 12. Nf3 Nxe3 13. Qxe3 Bc5 14. Nd4 e5 15. Nd5 Qd7 16. Qg5 Bxd4+ 17. Kh1 0-0 18. Nf6+ 1-0

[Event "Goiania Interamerica Schools"]
[Site "Goiania"]
[Date "2011.06.18"]
[Round "3"]
[White "Okada, Dyogo Koithi"]
[Black "Matos, Bruno Tavares"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1726"]
[PlyCount "41"]
[EventDate "2011.06.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bxd4 7. Nxd4 Nxd4 8. Qxd4 d5 9. exd5 0-0 10. 0-0 Be6 11. Nc3 c6 12. Bg5 Bxd5 13. Bxd5 cxd5 14. Nxd5 Nxd5 15. Bxd8 Raxd8 16. Rfd1 Rd7 17. Rac1 Rfd8 18. h3 Nf6 19. Qxd7 Rxd7 20. Rc8+ Ne8 21. Rxe8# 1-0

[Event "BRA-ch U14"]
[Site "Catanduva"]
[Date "2011.04.15"]
[Round "4.7"]
[White "Borges, Leonardo Fernandes"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "B13"]
[BlackElo "1726"]
[PlyCount "149"]
[EventDate "2011.04.15"]
[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 c6 2. e4 d5 3. exd5 cxd5 4. c4 Bf5 5. Nc3 Nc6 6. cxd5 Nb8 7. Nf3 Nf6 8. Qb3 e6 9. Bc4 exd5 10. Nxd5 Bd6 11. 0-0 0-0 12. Bg5 Nbd7 13. Nxf6+ Nxf6 14. Ne5 Qc7 15. Bxf6 gxf6 16. Nf3 Kh8 17. Rac1 Qd7 18. d5 Rg8 19. Qc3 Rg6 20. g3 Rag8 21. Bd3 Bxd3 22. Qxd3 Qh3 23. Nd2 h5 24. Qf3 Kh7 25. Ne4 Be5 26. Rc2 R8g7 27. d6 h4 28. d7 hxg3 29. fxg3 Qxd7 30. Qh5+ Rh6 31. Qf5+ Qxf5 32. Rxf5 Rhg6 33. Rh5+ Rh6 34. Rxh6+ Kxh6 35. Nc5 b6 36. Nd7 Bd4+ 37. Kg2 Rg5 38. Rd2 Rd5 39. Nxf6 Rd8 40. Ne4 Bf6 41. Rf2 Bd4 42. Rd2 Bf6 43. Rxd8 Bxd8 44. Nd6 Kg6 45. Nc8 a5 46. b3 Bc7 47. Ne7+ Kg5 48. Nd5 Kf5 49. Ne3+ Ke4 50. Kf2 b5 51. Ke2 Bb6 52. Ng4 a4 53. bxa4 bxa4 54. h4 Kd4 55. Kd2 f5 56. Nf6 Bc7 57. Nh5 Ke4 58. Ke2 Be5 59. Nf4 Bxf4 60. gxf4 Kxf4 61. h5 Kg5 62. Kf3 Kxh5 63. Kf4 Kg6 64. Kf3 Kg5 65. Kg3 f4+ 66. Kf3 Kf5 67. Kf2 Ke4 68. Ke2 f3+ 69. Kf2 Kf4 70. a3 Ke4 71. Kg1 Kd3 72. Kf2 Kc3 73. Kxf3 Kb3 74. Ke3 Kxa3 75. Kd2 0-1

[Event "BRA-ch U14"]
[Site "Catanduva"]
[Date "2011.04.15"]
[Round "7.4"]
[White "Carneiro, Vitor Roberto Castr"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1958"]
[BlackElo "1726"]
[PlyCount "42"]
[EventDate "2011.04.15"]
[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 d6 3. Nc3 g6 4. e4 Bg7 5. f3 c5 6. Nge2 0-0 7. Be3 cxd4 8. Nxd4 Bd7 9. Qd2 Nc6 10. Be2 a6 11. 0-0 Qc7 12. Rac1 Rac8 13. Nd5 Qd8 14. Nxc6 Bxc6 15. Nxf6+ Bxf6 16. c5 Rb8 17. b3 Qc7 18. Bxa6 Ra8 19. Bc4 Ra3 20. Rfd1 Rd8 21. cxd6 exd6 1-0

[Event "BRA-ch U14"]
[Site "Catanduva"]
[Date "2011.04.15"]
[Round "2.7"]
[White "Mangialardo, Gabriel Henrique"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1726"]
[PlyCount "58"]
[EventDate "2011.04.15"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 a6 7. 0-0 Bg7 8. Re1 Nbd7 9. Be3 0-0 10. h3 b5 11. Bd5 Nxd5 12. Nxd5 Bb7 13. c3 Ne5 14. Qe2 Nc4 15. b3 Nxe3 16. Qxe3 Rc8 17. Rac1 e6 18. Nb4 Qh4 19. Qf3 f5 20. Nxe6 fxe4 21. Qe2 Rf7 22. Nxg7 Kxg7 23. Qd2 Rcf8 24. Rf1 Kg8 25. Rc2 Rf3 26. gxf3 exf3 27. Qxd6 Rf4 28. Qe6+ Kh8 29. Nd3 Qg5+ 0-1

[Event "BRA-ch U14"]
[Site "Catanduva"]
[Date "2011.04.15"]
[Round "1.8"]
[White "Okada, Dyogo Koithi"]
[Black "Arimateia, Ary Amaral"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1726"]
[PlyCount "81"]
[EventDate "2011.04.15"]
[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 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d4 exd4 6. cxd4 Nxe4 7. Qe2 d5 8. Bd3 Bf5 9. 0-0 0-0 10. Re1 Bf6 11. Rd1 Nxd4 12. Nxd4 Bxd4 13. Bxe4 dxe4 14. Be3 c5 15. Nc3 a6 16. Nxe4 Bxe4 17. Bxd4 cxd4 18. Qxe4 Re8 19. Qxd4 Qxd4 20. Rxd4 Red8 21. Rad1 Rxd4 22. Rxd4 Rc8 23. Kf1 Kf8 24. Ke2 Rc2+ 25. Rd2 Rxd2+ 26. Kxd2 Ke7 27. Ke3 b5 28. b4 Ke6 29. Kd4 Kd6 30. f3 f5 31. f4 h5 32. h4 g6 33. g3 Kc6 34. Ke5 Kb6 35. Kf6 a5 36. a3 axb4 37. axb4 g5 38. hxg5 h4 39. gxh4 Kc6 40. g6 Kd6 41. g7 1-0

[Event "BRA-ch U14"]
[Site "Catanduva"]
[Date "2011.04.15"]
[Round "3.1"]
[White "Okada, Dyogo Koithi"]
[Black "Chiari, Arthur Gontijo"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1726"]
[BlackElo "1969"]
[PlyCount "56"]
[EventDate "2011.04.15"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 0-0 10. 0-0-0 a5 11. Na4 d5 12. Nb6 d4 13. Nxa8 Nc6 14. Bg5 a4 15. Na1 Bxa2 16. f4 Qxa8 17. fxe5 Nxe4 18. Bxe7 Nxd2 19. Bxf8 Nxf1 20. Rhxf1 Kxf8 21. Rde1 Be6 22. g3 b5 23. Rf3 b4 24. Rd3 Qa6 25. Rdd1 a3 26. Rd3 b3 27. Red1 axb2+ 28. Kxb2 Qa2+ 0-1

[Event "BRA-ch U14"]
[Site "Catanduva"]
[Date "2011.04.15"]
[Round "6.3"]
[White "Okada, Dyogo Koithi"]
[Black "De Carvalho, Igor Lorenzon"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "1726"]
[BlackElo "1877"]
[PlyCount "69"]
[EventDate "2011.04.15"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. 0-0 e6 12. c4 Ngf6 13. Re1 0-0-0 14. Qe2 Bb4 15. Bd2 Bxd2 16. Nxd2 c5 17. dxc5 Nxc5 18. b4 Nd3 19. Reb1 Nf4 20. Qe3 Rd3 21. Qe1 N6xh5 22. Nxh5 Nxh5 23. c5 Nf6 24. b5 Qf4 25. Nf3 Ng4 26. b6 a6 27. Rb3 Rxb3 28. axb3 e5 29. Ra4 Qf5 30. Qe4 Qxe4 31. Rxe4 f5 32. Re1 e4 33. Nd4 g6 34. Rd1 Rd8 35. Kf1 1/2-1/2

[Event "BRA-ch U14"]
[Site "Catanduva"]
[Date "2011.04.15"]
[Round "5.5"]
[White "Okada, Dyogo Koithi"]
[Black "Serpa, Rafael Araujo"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1726"]
[PlyCount "55"]
[EventDate "2011.04.15"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Be3 Nc6 7. Nf3 Qb6 8. Rb1 cxd4 9. Bxd4 Nxd4 10. Nxd4 Bb4 11. a3 Bxc3+ 12. bxc3 Qa5 13. Nb5 a6 14. Nd6+ Ke7 15. Qf3 f6 16. Qg3 Rg8 17. Be2 d4 18. 0-0 dxc3 19. Bc4 fxe5 20. Ne4 Nc5 21. Qh4+ Kd7 22. Rfd1+ Kc6 23. Rd6+ Kc7 24. Qe7+ Bd7 25. Bxe6 Rgd8 26. Rbd1 Nxe4 27. Rxd7+ Rxd7 28. Rxd7+ 1-0

[Event "Goiania Kasparov op 5th"]
[Site "Goiania"]
[Date "2011.01.30"]
[Round "5"]
[White "Dos Santos, Olavo Luis"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "1726"]
[PlyCount "63"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Nbd2 d6 5. c4 Bf5 6. b3 Na6 7. a3 c5 8. d5 Nxd5 9. cxd5 Bxa1 10. e4 Bg4 11. h3 Bxf3 12. Nxf3 Qa5+ 13. Bd2 Bc3 14. Bxc3 Qxc3+ 15. Nd2 Nb8 16. Bb5+ Nd7 17. 0-0 Rd8 18. a4 a6 19. Bc4 Ne5 20. Be2 0-0 21. Nb1 Qd4 22. Qc2 Rb8 23. Rd1 Qb4 24. f4 Nd7 25. Bg4 Nf6 26. Bf3 Rfe8 27. Nd2 b5 28. g4 c4 29. bxc4 bxc4 30. Rb1 Qc5+ 31. Kg2 Rb4 32. e5 0-1

[Event "Goiania Kasparov op 5th"]
[Site "Goiania"]
[Date "2011.01.30"]
[Round "4"]
[White "Okada, Dyogo Koithi"]
[Black "Bizio, Rogerio Fernando"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1726"]
[PlyCount "37"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. c3 d6 5. h3 Nf6 6. 0-0 Be7 7. Re1 0-0 8. Na3 b6 9. Nc2 Bb7 10. Ne3 Nxe4 11. Nd5 Nf6 12. d4 Nxd5 13. Bxd5 Re8 14. Qb3 Rf8 15. dxe5 Na5 16. Qd1 Nc6 17. Nd4 Qd7 18. e6 fxe6 19. Bxe6+ 1-0

[Event "Goiania Kasparov op 5th"]
[Site "Goiania"]
[Date "2011.01.29"]
[Round "3"]
[White "Mendonca, Paulo Roberto"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "C34"]
[BlackElo "1726"]
[PlyCount "141"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. f4 exf4 4. Nf3 Nf6 5. 0-0 Be7 6. Nc3 d6 7. d4 g5 8. Nxg5 Be6 9. Nxe6 fxe6 10. Bxe6 Bf8 11. Nd5 Bg7 12. Nxf6+ Qxf6 13. Qh5+ Qg6 14. Qxg6+ hxg6 15. c3 g5 16. Bd2 Ke7 17. Bd5 Nd8 18. Rae1 Nf7 19. b4 c6 20. Bb3 Nh6 21. h3 Rhd8 22. g3 Kd7 23. gxf4 gxf4 24. Bxf4 a5 25. Bxh6 Bxh6 26. Rf7+ Kc8 27. Be6+ Kb8 28. Re2 axb4 29. cxb4 Ra3 30. Bb3 Re8 31. b5 d5 32. e5 Ra5 33. bxc6 bxc6 34. Kf2 Ra7 35. Rxa7 Kxa7 36. Ba4 Re6 37. Kf3 Kb6 38. Rb2+ Ka5 39. Bc2 Bf8 40. Bf5 Rh6 41. Kg4 Be7 42. Kf3 c5 43. dxc5 Bxc5 44. Bd7 Bb4 45. Kg4 d4 46. e6 Rh7 47. Rf2 d3 48. Rf5+ Ka6 49. Bb5+ Kb7 50. Bxd3 Kc6 51. Rc5+ Kxc5 52. Bxh7 Kd6 53. Bf5 Ke7 54. h4 Ba3 55. Kg5 Kf8 56. Kg6 Kg8 57. h5 Kh8 58. h6 Kg8 59. h7+ Kh8 60. Kf7 Bf8 61. e7 Bxe7 62. Kxe7 Kg7 63. a4 Kh8 64. a5 Kg7 65. a6 Kh8 66. a7 Kg7 67. a8Q Kh6 68. Qc6+ Kg5 69. Qf3 Kh4 70. h8Q+ Kg5 71. Qg4# 1-0

[Event "Goiania Kasparov op 5th"]
[Site "Goiania"]
[Date "2011.01.29"]
[Round "2"]
[White "Okada, Dyogo Koithi"]
[Black "Souza, Lucas Alves Ferreir"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1726"]
[PlyCount "61"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf5 Be6 8. Na4 Nc6 9. Bb6 Qd7 10. Be3 Nxe4 11. Nb6 Qd8 12. Nxa8 Bxf5 13. Nb6 Nf6 14. Qf3 Bxc2 15. Rc1 Be4 16. Qh3 d5 17. f3 d4 18. fxe4 dxe3 19. Qxe3 Bb4+ 20. Ke2 Nd4+ 21. Kd1 Nb3+ 22. Bd3 Nxc1 23. Kxc1 Ng4 24. Qf3 Qxb6 25. Bc4 0-0 26. Qxg4 Qd4 27. Bb3 Qc5+ 28. Kb1 Rc8 29. Rf1 Rf8 30. Qd7 Qe7 31. Qd5 1/2-1/2

[Event "Goiania Kasparov op 5th"]
[Site "Goiania"]
[Date "2011.01.28"]
[Round "1"]
[White "Cavalcante, Diego Xavier"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "C54"]
[BlackElo "1726"]
[PlyCount "41"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 d5 9. Nxd5 Be6 10. Nxb4 Nxb4 11. Bxe6 fxe6 12. Qb3 Nd5 13. Re1 Nef6 14. Rxe6+ Kd7 15. Re5 a6 16. Bg5 h6 17. Rxd5+ Nxd5 18. Bxd8 Nb6 19. Bh4 Raf8 20. Ne5+ Kc8 21. Ng6 1-0

[Event "Goiania IRT Jao"]
[Site "Goiania"]
[Date "2010.11.30"]
[Round "1.7"]
[White "Okada, Dyogo Koithi"]
[Black "Mattos Filho, Willer Jorge Silva"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "21"]
[EventDate "2010.11.01"]
[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 e5 2. Nf3 f5 3. Nxe5 fxe4 4. Qh5+ g6 5. Nxg6 Nf6 6. Qe5+ Be7 7. Nxh8 Kf8 8. d3 d5 9. Bh6+ Kg8 10. Qg5+ Kxh8 11. Qg7# 1-0

[Event "Goiania IRT Jao"]
[Site "Goiania"]
[Date "2010.11.07"]
[Round "6.5"]
[White "Okada, Dyogo Koithi"]
[Black "Reis, Andre Luiz Cavalcan"]
[Result "1-0"]
[ECO "C89"]
[PlyCount "67"]
[EventDate "2010.11.01"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Rh5 Re8 14. Bg5 f6 15. Be3 g6 16. Rxd5 cxd5 17. Bxd5+ Kg7 18. Bxa8 f5 19. Bc6 Rf8 20. d5 f4 21. Bd4+ Kh6 22. Nd2 Bf5 23. b3 Qh4 24. Nf3 Qh5 25. c4 g5 26. c5 g4 27. cxd6 gxf3 28. Qxf3 Bg4 29. Qc3 Rg8 30. d7 Bf3 31. Bg7+ Rxg7 32. Qf6+ Rg6 33. Qf8+ Rg7 34. d8Q 1-0

[Event "Goiania IRT Jao"]
[Site "Goiania"]
[Date "2010.11.06"]
[Round "3.4"]
[White "Luz, Heitor Carvalho"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "E99"]
[PlyCount "78"]
[EventDate "2010.11.01"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 h5 13. Rc1 a5 14. Nd3 g5 15. c5 Rf6 16. Nb5 Rg6 17. cxd6 cxd6 18. Nc7 Nf6 19. Nxa8 g4 20. Nb6 g3 21. hxg3 fxg3 22. Be3 h4 23. Nxc8 Nxc8 24. Qc2 Ne7 25. Qc7 Qe8 26. Qxb7 Bh6 27. Bxh6 Rxh6 28. Rc7 Rh7 29. Rfc1 Kf8 30. b4 h3 31. Bf1 Qh5 32. Ne1 Qg5 33. Rc8+ Ne8 34. R8c3 Qd2 35. Qb6 axb4 36. R3c2 Qh6 37. Rb1 Ng6 38. Nd3 Nh4 39. Nxe5 hxg2 0-1

[Event "Goiania IRT Jao"]
[Site "Goiania"]
[Date "2010.11.06"]
[Round "4.3"]
[White "Okada, William Kenji"]
[Black "Okada, Dyogo Koithi"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "1790"]
[PlyCount "21"]
[EventDate "2010.11.01"]
[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 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nh5 7. Nc3 Nd7 8. Qc2 Ndf6 9. Bf4 Bf5 10. e4 Bg4 11. Qd2 1/2-1/2

[Event "Goiania IRT Jao"]
[Site "Goiania"]
[Date "2010.11.??"]
[Round "2.2"]
[White "Okada, Dyogo Koithi"]
[Black "Almeida, Douglas de Castro"]
[Result "0-1"]
[ECO "B00"]
[BlackElo "1767"]
[PlyCount "26"]
[EventDate "2010.11.01"]
[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 Nc6 2. d4 e5 3. c3 Nf6 4. Bd3 exd4 5. cxd4 Nxd4 6. e5 Ng8 7. Bc4 Ne6 8. f4 Bc5 9. Nh3 d6 10. f5 Qh4+ 11. Kd2 Qxc4 12. fxe6 Bxe6 13. Nc3 0-0-0 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2010.09.26"]
[Round "6"]
[White "Ferreira, Claudio Jose"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2006"]
[PlyCount "79"]
[EventDate "2010.09.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Qc2 g6 5. g3 Bg7 6. Bg2 Bf5 7. Qb3 dxc4 8. Qxb7 Nbd7 9. Qxc6 0-0 10. Nc3 Nb6 11. 0-0 Rc8 12. Qb7 Rc7 13. Qa6 Nbd5 14. Ne5 Nb4 15. Qa4 Nc2 16. Rb1 Qxd4 17. Nc6 Qb6 18. Bf4 Rxc6 19. Qxc6 Qxc6 20. Bxc6 Nd4 21. e4 Bh3 22. e5 Bxf1 23. Kxf1 Nxc6 24. exf6 Bxf6 25. Be3 Nb4 26. Bxa7 Ra8 27. Be3 Nxa2 28. Ra1 Bxc3 29. bxc3 Ra4 30. Bd4 f6 31. f4 Kf7 32. Kf2 Ke6 33. Re1+ Kd6 34. Rd1 Kc6 35. Re1 Ra3 36. Rxe7 Nxc3 37. Bxf6 Nd5 38. Rf7 Nxf6 39. Rxf6+ Kd7 40. Rf7+ 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2010.09.26"]
[Round "5"]
[White "Okada, Dyogo Koithi"]
[Black "Vilas Boas, Crisolon Terto"]
[Result "1-0"]
[ECO "C40"]
[BlackElo "1652"]
[PlyCount "71"]
[EventDate "2010.09.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qd6 5. Bc4 Be6 6. Bxe6 Qxe6 7. 0-0 Bd6 8. d4 Nd7 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Re1 Ne7 12. Bg5 0-0 13. Qf3 c6 14. Ne4 Ng6 15. Rad1 Qxa2 16. Nd2 Bxb2 17. Nb3 Be5 18. h4 Qxc2 19. h5 h6 20. Bc1 Nh4 21. Qh3 Bf6 22. Nd4 Qa4 23. Qg4 Rad8 24. Bxh6 Rxd4 25. Rxd4 Qxd4 26. Re4 Qa1+ 27. Kh2 Re8 28. Rxe8+ Kh7 29. Qe4+ Kxh6 30. Rh8+ Kg5 31. f4+ Kg4 32. f5+ Kg5 33. Re8 Nxf5 34. g3 Qb2+ 35. Kh3 Qc3 36. Qg4+ 1-0

[Event "Goiania op"]
[Site "Goiania"]
[Date "2010.09.25"]
[Round "3"]
[White "Okada, Dyogo Koithi"]
[Black "De Oliveira, Kenner Martins"]
[Result "0-1"]
[ECO "B70"]
[BlackElo "1783"]
[PlyCount "92"]
[EventDate "2010.09.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Qd2 Nc6 8. Be2 Nxe4 9. Nxc6 Nxd2 10. Nxd8 Bxc3 11. bxc3 Ne4 12. Nxf7 Kxf7 13. Be3 Bf5 14. g4 Bd7 15. f3 Nf6 16. Rb1 b6 17. Kf2 Rac8 18. c4 Be6 19. Rb4 Nd7 20. f4 a5 21. Rb2 Bxc4 22. Bd3 Bxd3 23. cxd3 Rc7 24. h4 Rhc8 25. h5 Rc2+ 26. Rxc2 Rxc2+ 27. Kf3 Rxa2 28. hxg6+ Kxg6 29. f5+ Kg7 30. Bd4+ Ne5+ 31. Ke4 Rg2 32. Rh4 b5 33. Kf4 a4 34. g5 a3 35. f6+ exf6 36. gxf6+ Kxf6 37. Rh6+ Rg6 38. Rxh7 Ke6 39. Rb7 b4 40. Rb6 Rg4+ 41. Ke3 a2 42. Ra6 b3 43. Ra3 Rxd4 44. Kxd4 b2 45. Rxa2 b1Q 46. Rg2 Qxd3# 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2010.09.25"]
[Round "4"]
[White "Vilial, Fabiano Rodrigues"]
[Black "Okada, Dyogo Koithi"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "60"]
[EventDate "2010.09.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 g6 3. c4 Bg7 4. e3 Nf6 5. Nc3 0-0 6. a3 d6 7. b4 Re8 8. Be2 e5 9. d5 Ne7 10. Nd2 c6 11. e4 Nd7 12. Bb2 f5 13. Qc2 Nf6 14. f3 Nh5 15. g3 f4 16. 0-0-0 fxg3 17. Rdg1 g2 18. Rxg2 Nf4 19. Bf1 Nxg2 20. Bxg2 cxd5 21. exd5 Nf5 22. Qb1 Bd7 23. b5 a6 24. a4 Bh6 25. Nce4 Ne3 26. Nxd6 Qc7 27. Ba3 axb5 28. Nxe8 Rxe8 29. Rg1 Nxc4 30. Bf1 Nxa3+ 0-1

[Event "Goiania op"]
[Site "Goiania"]
[Date "2010.09.24"]
[Round "2"]
[White "Brandao, Renan Alves"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2043"]
[PlyCount "89"]
[EventDate "2010.09.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. g3 Bf5 5. Bg2 e6 6. 0-0 Nbd7 7. Nbd2 Be7 8. b3 0-0 9. Nh4 Re8 10. Nxf5 exf5 11. Qc2 Qb6 12. c5 Qc7 13. Qxf5 Bf8 14. Qd3 b6 15. b4 a5 16. bxa5 Rxa5 17. Nb3 Ra7 18. Bf4 Qb7 19. cxb6 Ra3 20. Qc2 Qxb6 21. Rfc1 h6 22. e3 Ra6 23. Bf1 Ra7 24. Qxc6 Qxc6 25. Rxc6 Rea8 26. Rc2 g5 27. Be5 Nxe5 28. dxe5 Ng4 29. Bb5 Nxe5 30. a4 Rb7 31. Rd1 Rd8 32. Kg2 Kg7 33. e4 Nc4 34. Bxc4 dxc4 35. Rxd8 cxb3 36. Rb2 Ba3 37. Rb1 b2 38. Rd3 Be7 39. Rd5 Ba3 40. a5 Rc7 41. Rb5 Ra7 42. Kf3 Kf6 43. Ke3 Re7 44. a6 Rc7 45. Rb6+ 1-0

[Event "Goiania op"]
[Site "Goiania"]
[Date "2010.09.24"]
[Round "1"]
[White "Okada, Dyogo Koithi"]
[Black "Navarro, Luis Flavio Cunha"]
[Result "1-0"]
[ECO "B33"]
[BlackElo "2056"]
[PlyCount "69"]
[EventDate "2010.09.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e5 7. Ndb5 Be6 8. Nd5 Rc8 9. c3 a6 10. Na3 Be7 11. Nc4 Nxd5 12. exd5 Bxg5 13. dxe6 d5 14. exf7+ Kxf7 15. Qf3+ Bf6 16. Rd1 d4 17. g4 e4 18. Qg3 Re8 19. Nd6+ Kf8 20. Nxe8 Qxe8 21. Qd6+ Kg8 22. Bc4+ Kh8 23. 0-0 Ne5 24. Bb3 Nf3+ 25. Kg2 Be5 26. Qe6 Qf8 27. Qf7 Qd8 28. cxd4 Qh4 29. Qh5 Qxh5 30. gxh5 Bxd4 31. Bd5 Be5 32. Bxe4 Nxh2 33. f4 Ng4 34. fxe5 Ne3+ 35. Kf3 1-0

[Event "Goiano op 2a"]
[Site "Goiania"]
[Date "2008.12.14"]
[Round "5.9"]
[White "Okada, Dyogo Koithi"]
[Black "Correa, Helhaine Martins"]
[Result "1-0"]
[ECO "B63"]
[PlyCount "51"]
[EventDate "2008.12.12"]
[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 Nc6 5. Nc3 Nf6 6. Bg5 e6 7. Nb3 Be7 8. Qd2 a6 9. f3 Qc7 10. g4 b5 11. h4 Ne5 12. Be2 Nc4 13. Bxc4 bxc4 14. Nd4 Rb8 15. 0-0-0 Bd7 16. h5 Qb6 17. b3 a5 18. a4 d5 19. Bxf6 gxf6 20. exd5 exd5 21. Rhe1 Kd8 22. Nxd5 Ba3+ 23. Kb1 Qc5 24. Ne7 cxb3 25. Ne6+ fxe6 26. Qxd7# 1-0

[Event "Goiano op 2a"]
[Site "Goiania"]
[Date "2008.12.13"]
[Round "3.8"]
[White "Correa, Lorenna Martins"]
[Black "Okada, Dyogo Koithi"]
[Result "1/2-1/2"]
[ECO "A60"]
[PlyCount "79"]
[EventDate "2008.12.12"]
[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 e6 2. c4 c5 3. d5 exd5 4. cxd5 Nf6 5. Nc3 Be7 6. e4 d6 7. Nf3 Bg4 8. h3 Bh5 9. Bg5 Nbd7 10. Be2 Bxf3 11. Bxf3 0-0 12. 0-0 Re8 13. Re1 a6 14. Rc1 Nxd5 15. Bxe7 Nxe7 16. Qxd6 Nc8 17. Qg3 Ne5 18. Nd5 Nd3 19. Nc7 Nxe1 20. Nxe8 Nxf3+ 21. Qxf3 Qxe8 22. Rxc5 Nd6 23. e5 Nb5 24. Qxb7 Nd4 25. Ra5 Nc6 26. Rxa6 Rxa6 27. Qxa6 Nxe5 28. a4 Kf8 29. a5 Qb8 30. b3 Nd7 31. Qc4 Ke8 32. b4 Kd8 33. b5 Qc7 34. Qxf7 Qxa5 35. Qxg7 Qe1+ 36. Kh2 Qxf2 37. Qxh7 Qf4+ 38. Kg1 Qc1+ 39. Kh2 Qc7+ 40. g3 1/2-1/2

[Event "Goiano op 2a"]
[Site "Goiania"]
[Date "2008.12.13"]
[Round "2.8"]
[White "Okada, Dyogo Koithi"]
[Black "De Paula, Rafael Figueiredo"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "34"]
[EventDate "2008.12.12"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. Nf3 Bg4 6. h3 Bh5 7. a3 c6 8. b4 Qc7 9. Bb2 e5 10. 0-0 Nbd7 11. d4 0-0-0 12. d5 Nb6 13. Bb3 e4 14. g4 exf3 15. gxh5 Qf4 16. Bc1 Qf5 17. Nb1 Qxh3 1-0

[Event "Goiano op 2a"]
[Site "Goiania"]
[Date "2008.12.13"]
[Round "4.8"]
[White "Okada, Dyogo Koithi"]
[Black "Wilhelms, Diego Lima"]
[Result "0-1"]
[ECO "C77"]
[BlackElo "2125"]
[PlyCount "70"]
[EventDate "2008.12.12"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 0-0 8. Nc3 d6 9. a3 Na5 10. Bd5 c6 11. Bb3 Nxb3 12. cxb3 Qc7 13. d4 b4 14. Ne2 Nxe4 15. Re1 Bf5 16. d5 cxd5 17. Qxd5 Qc5 18. Qxc5 Nxc5 19. Ng3 Bg6 20. Bd2 a5 21. Rad1 Nd3 22. Re2 Nxb2 23. Rc1 Nd3 24. Rc7 Rfe8 25. Nd4 Bd8 26. Rd7 Bb6 27. Ndf5 Rad8 28. Rxd6 Rxd6 29. Nxd6 Rd8 30. Ndf5 Nxf2 31. Ne7+ Kf8 32. Nxg6+ hxg6 33. Be3 Bxe3 34. Rxe3 Nd3 35. Rxe5 Nxe5 0-1

[Event "Goiano op 2a"]
[Site "Goiania"]
[Date "2008.12.12"]
[Round "1.7"]
[White "De Oliveira, Kenner Martins"]
[Black "Okada, Dyogo Koithi"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1750"]
[PlyCount "109"]
[EventDate "2008.12.12"]
[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 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d6 7. Ng3 Be7 8. Be2 0-0 9. Be3 Be6 10. 0-0 Qd7 11. f4 Ng4 12. Bxg4 Bxg4 13. Qd2 Rad8 14. f5 g6 15. h3 gxf5 16. exf5 Bh4 17. Bg5 Bxg3 18. Ne4 f6 19. Bxf6 Bf4 20. Rxf4 exf4 21. Qxf4 Bxf5 22. Bxd8 Bxe4 23. Qxe4 Qxd8 24. Re1 Qf6 25. Qc4+ Kh8 26. Re6 Qd4+ 27. Qxd4+ Nxd4 28. Rxd6 Nxc2 29. Rd7 Rb8 30. Kf2 Nb4 31. a3 Nc6 32. b4 Ne5 33. Rc7 a6 34. Ke3 b5 35. Ra7 Nc4+ 36. Kd4 Rb6 37. Kc5 Rg6 38. a4 Nd6 39. Rxa6 Ne4+ 40. Kxb5 Nc3+ 41. Ka5 Rxa6+ 42. Kxa6 Nxa4 43. Kb5 Nc3+ 44. Kc4 Nd1 45. b5 Ne3+ 46. Kc5 Nxg2 47. b6 Nf4 48. Kd6 Nxh3 49. b7 h5 50. b8Q+ Kg7 51. Ke6 Kg6 52. Qg8+ Kh6 53. Kf5 Nf4 54. Kxf4 h4 55. Kf5 1-0

