[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2018.06.03"]
[Round "7"]
[White "Yuji Okuda, Paulo Alexandre"]
[Black "Massambani Neto, Laurindo"]
[Result "0-1"]
[ECO "E12"]
[BlackElo "1616"]
[PlyCount "86"]
[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 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Bd3 b6 8. 0-0 Bb7 9. Qc2 dxc4 10. Bxc4 Bxf3 11. gxf3 c5 12. Rad1 Qc7 13. Bf4 Qd8 14. e4 Nh5 15. Bg3 Nxg3 16. fxg3 cxd4 17. Ne2 e5 18. Qd2 Kh8 19. f4 f6 20. f5 Nc5 21. Bd5 Rc8 22. b4 Na4 23. Rc1 Nc3 24. Be6 Nxe2+ 25. Qxe2 Rxc1 26. Rxc1 Bxb4 27. Qb5 Bc5 28. a4 d3+ 29. Kf1 Qd4 30. Kg2 Qxe4+ 31. Kh3 h5 32. Rc4 Qf3 33. Qd7 e4 34. Rxc5 bxc5 35. Qe7 Ra8 36. Qb7 Re8 37. Qd7 Rxe6 38. fxe6 d2 39. e7 Qf1+ 40. Kh4 g5+ 41. Kxh5 d1Q+ 42. Qxd1 Qxd1+ 43. Kg6 Qd7 0-1

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2018.06.02"]
[Round "5"]
[White "Fantinati, Nilton M Nascimento"]
[Black "Yuji Okuda, Paulo Alexandre"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1498"]
[PlyCount "40"]
[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. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 Nge7 8. d4 e4 9. Qe2 0-0 10. c4 dxc4 11. Bxc4 a6 12. Qg4 b5 13. Bxf7+ Rxf7 14. Qxe4 Bb4+ 15. Bc3 Qd5 16. Qxd5 Nxd5 17. Bxb4 Ncxb4 18. Na3 Nd3+ 19. Ke2 Nxf2 20. Rhf1 Raf8 0-1

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2018.06.01"]
[Round "3"]
[White "Mesquita, Arnaldo Leite"]
[Black "Yuji Okuda, Paulo Alexandre"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1742"]
[PlyCount "113"]
[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. Nc3 f5 2. d4 g6 3. Nf3 Nf6 4. Bg5 Bg7 5. Bxf6 Bxf6 6. e4 fxe4 7. Nxe4 0-0 8. c3 d6 9. Qb3+ Kg7 10. 0-0-0 Nc6 11. Bd3 e5 12. Nxf6 Qxf6 13. d5 Ne7 14. Qc4 c6 15. dxc6 d5 16. cxb7 Bxb7 17. Qc7 e4 18. Qxb7 exf3 19. g3 Rfc8 20. Bc2 Kf8 21. Qb4 Rc4 22. Qa3 Qg5+ 23. Kb1 Kg7 24. Rhe1 Rc7 25. Qd6 Rac8 26. Qe5+ Qxe5 27. Rxe5 Rf8 28. Bb3 Kf6 29. Re3 Kg5 30. h3 h5 31. Bxd5 Rd7 32. c4 Rfd8 33. Rxf3 Nxd5 34. Rxd5+ Rxd5 35. cxd5 Rxd5 36. Kc2 Re5 37. Re3 Rf5 38. f4+ Kf6 39. h4 Ra5 40. a3 Kf5 41. b4 Ra6 42. Kb3 Kg4 43. a4 Rd6 44. Kc4 Rd2 45. b5 Rg2 46. a5 Rxg3 47. Rxg3+ Kxg3 48. b6 axb6 49. axb6 Kxf4 50. b7 Kg4 51. b8Q Kxh4 52. Qh2+ Kg4 53. Kd4 h4 54. Ke4 g5 55. Qg2+ Kh5 56. Kf5 Kh6 57. Kf6 1-0

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2018.06.01"]
[Round "4"]
[White "Yuji Okuda, Paulo Alexandre"]
[Black "Saito, Helio Tsutomu"]
[Result "0-1"]
[ECO "E30"]
[BlackElo "1702"]
[PlyCount "70"]
[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 Bb4 4. Bg5 b6 5. e4 Bxc3+ 6. bxc3 h6 7. Bxf6 Qxf6 8. Nf3 d6 9. Bd3 Nd7 10. 0-0 e5 11. d5 Nc5 12. Ne1 Qg6 13. Qf3 0-0 14. h3 Nxd3 15. Nxd3 f5 16. exf5 Bxf5 17. Nb4 Bd7 18. Qe3 a5 19. Nd3 Rf6 20. Rad1 Raf8 21. Kh2 Bf5 22. Ne1 Qh5 23. f3 Qe8 24. g4 Bc8 25. Ng2 g5 26. Kg3 Qa4 27. Qe4 Ba6 28. Ne3 Bc8 29. Rf2 Qe8 30. Rh1 Rf4 31. Qd3 e4 32. Qe2 Qe5 33. Kh2 Rxf3+ 34. Kg1 Rxf2 35. Qe1 Qg3+ 0-1

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2018.05.31"]
[Round "6"]
[White "Negri, Daniel Julio S"]
[Black "Yuji Okuda, Paulo Alexandre"]
[Result "1-0"]
[ECO "A89"]
[WhiteElo "1796"]
[PlyCount "77"]
[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 f5 2. g3 g6 3. Bg2 Nf6 4. c4 Bg7 5. Nc3 0-0 6. Nf3 d6 7. 0-0 Nbd7 8. d5 Ne5 9. Nxe5 dxe5 10. e4 e6 11. Qb3 Qe8 12. Be3 Ng4 13. Bc5 Rf7 14. h3 Nf6 15. Rad1 g5 16. d6 h5 17. Nb5 f4 18. Nxc7 Qc6 19. Ba3 Rb8 20. gxf4 gxf4 21. Qd3 Nh7 22. Bf3 Nf6 23. b4 Bh6 24. Kh2 Kh7 25. b5 Qd7 26. c5 Rg7 27. Rg1 Qf7 28. Rxg7+ Bxg7 29. c6 bxc6 30. bxc6 h4 31. d7 Nh5 32. d8Q Bf6 33. Qe8 Qg6 34. Bxh5 Qg3+ 35. fxg3 hxg3+ 36. Kg2 Ba6 37. Qf7+ Bg7 38. Qdd7 Rg8 39. Nxe6 1-0

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2018.05.31"]
[Round "1"]
[White "Santos, Renan de Souza"]
[Black "Yuji Okuda, Paulo Alexandre"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "1661"]
[PlyCount "100"]
[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. c4 f5 2. Nc3 Nf6 3. d3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nf3 d6 7. 0-0 e5 8. Bg5 h6 9. Bd2 Nc6 10. e4 g5 11. exf5 Bxf5 12. Qe2 g4 13. Nh4 Nd4 14. Qd1 Bxd3 15. Re1 Nc2 16. Bxh6 Nxe1 17. Bxg7 Kxg7 18. Qxe1 Bxc4 19. b3 Bd3 20. Qd2 Bh7 21. Qg5+ Kf7 22. Nf5 Bxf5 23. Qxf5 Qd7 24. Bd5+ Ke7 25. Qg5 Kd8 26. Bxb7 Rb8 27. Be4 Qe7 28. Bf5 Nd5 29. Qxe7+ Nxe7 30. Bxg4 Rb4 31. Be2 c6 32. Rd1 d5 33. Na4 Nf5 34. Nc5 Ke7 35. Nd3 Rd4 36. Nxe5 Rxd1+ 37. Bxd1 Kd6 38. f4 c5 39. Kf2 a5 40. h4 Rb8 41. h5 Rb4 42. Be2 a4 43. Bd3 axb3 44. axb3 Ke6 45. Bxf5+ Kxf5 46. h6 Kf6 47. Nd7+ Kg6 48. Nxc5 Kxh6 49. Ke3 Kg6 50. g4 Kf6 1/2-1/2

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2018.05.31"]
[Round "2"]
[White "Yuji Okuda, Paulo Alexandre"]
[Black "Bonfim, Regina Rodrigues"]
[Result "0-1"]
[ECO "D78"]
[BlackElo "1788"]
[PlyCount "82"]
[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 c6 3. Nc3 Nf6 4. Nf3 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 Nbd7 8. Ne1 dxc4 9. e4 e5 10. d5 cxd5 11. Nxd5 Nxd5 12. Qxd5 Nb6 13. Qc5 Be6 14. Nc2 Rc8 15. Qa3 Qc7 16. Be3 a6 17. Qb4 Nd7 18. Rad1 b5 19. Rd2 Rfd8 20. Rfd1 Bf8 21. Qc3 Be7 22. Bh6 Nf6 23. h3 Rxd2 24. Rxd2 Rd8 25. f4 Rxd2 26. Qxd2 Nh5 27. Kh2 exf4 28. Bxf4 Nxf4 29. gxf4 a5 30. a3 h5 31. Kh1 Bc5 32. e5 Qd7 33. Qxd7 Bxd7 34. Kh2 b4 35. axb4 axb4 36. Bd5 Be6 37. Bxe6 fxe6 38. Kg3 b3 39. Na3 Bxa3 40. bxa3 b2 41. a4 b1Q 0-1

