[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.03"]
[Round "6"]
[White "Ishida, Leopoldo Tetsuo"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1405"]
[BlackElo "1687"]
[PlyCount "120"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d6 5. e3 0-0 6. Be2 c5 7. dxc5 dxc5 8. Nc4 Nc6 9. 0-0 Bf5 10. c3 h6 11. Bxf6 Bxf6 12. Qxd8 Rfxd8 13. Rac1 b5 14. Ncd2 a6 15. Nb3 c4 16. Nbd4 Nxd4 17. Nxd4 Bd7 18. Rcd1 e5 19. Nf3 Bf5 20. Rxd8+ Rxd8 21. Rd1 Bd3 22. Bf1 g5 23. h3 a5 24. a3 Bg7 25. g4 f6 26. Rd2 Bf8 27. e4 Be7 28. Bxd3 Rxd3 29. Rxd3 cxd3 30. Nd2 Kg7 31. Kg2 Kg6 32. Kf1 h5 33. f3 Bc5 34. Ke1 Be3 35. Kd1 hxg4 36. hxg4 Kf7 37. Nb3 a4 38. Nc1 d2 39. Nd3 Ke6 40. Nb4 Bg1 41. Kxd2 Bb6 42. Nd5 Bd8 43. Kd3 Kd6 44. c4 Kc5 45. cxb5 Kxb5 46. Nc3+ Ka5 47. Kc4 Bb6 48. Nd5 Bd8 49. Ne3 Bb6 50. Nf5 Ba7 51. Nh6 Bb6 52. Ng8 Bd8 53. Kc5 Bb6+ 54. Kc6 Bd4 55. Nxf6 Bxb2 56. Nd5 Bxa3 57. Ne3 Bc1 58. Nc4+ Kb4 59. Nxe5 Kc3 60. Kb5 a3 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.03"]
[Round "5"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Serafim Junior, Arnor"]
[Result "0-1"]
[ECO "E74"]
[WhiteElo "1687"]
[BlackElo "1892"]
[PlyCount "76"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 h6 7. Bf4 c5 8. d5 Qa5 9. Qd2 Kh7 10. Nf3 a6 11. h3 Nbd7 12. 0-0 b5 13. cxb5 axb5 14. Nxb5 Qxd2 15. Nxd2 Ba6 16. Rfe1 Nh5 17. Bxh5 Bxb5 18. Be2 Rfb8 19. Nc4 Bxc4 20. Bxc4 Rxb2 21. Rab1 Nb6 22. Rxb2 Bxb2 23. Bb5 Rxa2 24. Be3 Kg7 25. Kf1 g5 26. g4 Be5 27. Rb1 Na4 28. Bd3 Nb2 29. Be2 c4 30. Rxb2 Rxb2 31. Bxc4 Rb4 32. Bd3 Bd4 33. Bxd4+ Rxd4 34. Ke2 Kf6 35. Ke3 Ke5 36. f3 Ra4 37. Kf2 Kf4 38. Bb1 Ra3 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.02"]
[Round "3"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Ribeiro, Pablyto Robert Baio"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1687"]
[BlackElo "2000"]
[PlyCount "35"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. e3 c6 6. cxd5 exd5 7. Bd3 Bb4 8. 0-0 Qc7 9. Qc2 Nf8 10. Bd2 Ng6 11. Nb5 Qa5 12. Bxb4 Qxb4 13. Nc7+ Kd8 14. Nxa8 Nd7 15. e4 Nf4 16. exd5 Nxd5 17. Rfe1 N7f6 18. Qc5 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.02"]
[Round "4"]
[White "Soares, Lucas Vicente"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1937"]
[BlackElo "1687"]
[PlyCount "59"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 0-0 7. Nf3 h6 8. Bf4 c6 9. e3 Be6 10. Bd3 Nbd7 11. h3 Bb4 12. 0-0 c5 13. Bd6 Re8 14. Nb5 Ba5 15. dxc5 a6 16. Nbd4 Bc7 17. Nxe6 Rxe6 18. Nd4 Rc8 19. Nf5 Ne4 20. Bxe4 Rxe4 21. Qb3 Bxd6 22. Nxd6 Nxc5 23. Qxd5 Re6 24. Rfd1 Qb6 25. Nf5 Rce8 26. Qd4 Re5 27. Nd6 R8e6 28. Nc4 Nb3 29. Qxb6 Rxb6 30. axb3 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.01"]
[Round "2"]
[White "Franca, Willian Bento"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1986"]
[BlackElo "1687"]
[PlyCount "55"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 exd4 8. Nxd4 Re8 9. f3 Bd7 10. Be3 Nc6 11. Nc2 Ne5 12. Qd2 Be6 13. b3 a6 14. Rad1 Rb8 15. h3 Nh5 16. f4 Ng3 17. fxe5 Nxf1 18. Rxf1 dxe5 19. Qc1 c6 20. Nb4 Qa5 21. Nd3 Rbd8 22. Na4 c5 23. Bxc5 Rxd3 24. Bxd3 Qc7 25. Be3 Bf8 26. Nc3 Bc5 27. Nd5 Bxd5 28. cxd5 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.01"]
[Round "1"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Torrezani, Eduardo de Moraes"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1687"]
[BlackElo "1997"]
[PlyCount "53"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e5 4. cxd5 cxd5 5. dxe5 d4 6. Ne4 Qa5+ 7. Nd2 Qxe5 8. Ngf3 Qd5 9. g3 Nc6 10. Bg2 d3 11. 0-0 dxe2 12. Qxe2+ Be6 13. Nb3 0-0-0 14. Ng5 Qc4 15. Qxc4 Bxc4 16. Re1 h6 17. Ne4 Bb4 18. Nc3 Nf6 19. Bf4 Bd6 20. Bxd6 Rxd6 21. Bxc6 bxc6 22. Nc5 Nd7 23. Nxd7 Rxd7 24. b3 Be6 25. Rac1 Rhd8 26. Ne4 Bd5 27. Nc5 1/2-1/2

[Event "Sao Paulo Consciencia 1st"]
[Site "Sao Paulo"]
[Date "2013.12.22"]
[Round "5.5"]
[White "Rodrigues, Leonardo De Miranda"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2104"]
[BlackElo "1685"]
[PlyCount "45"]
[EventDate "2013.12.20"]
[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. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 c5 7. d5 Bg4 8. 0-0 Nbd7 9. h3 Bxf3 10. Bxf3 a6 11. Be2 Ne8 12. Qc2 Nc7 13. Bg5 Qe8 14. f4 e5 15. f5 h6 16. Be3 Qe7 17. a3 Rab8 18. b4 b5 19. bxc5 bxc4 20. c6 Nc5 21. Bxc4 Rfd8 22. fxg6 fxg6 23. Bxc5 1-0

[Event "Sao Paulo Consciencia 1st"]
[Site "Sao Paulo"]
[Date "2013.12.22"]
[Round "4.4"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Heinrichs, Vivian"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "1685"]
[BlackElo "1945"]
[PlyCount "100"]
[EventDate "2013.12.20"]
[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. e4 d6 5. Be2 0-0 6. Bg5 c6 7. Qd2 a6 8. Nf3 b5 9. a3 Nbd7 10. 0-0 Rb8 11. cxb5 cxb5 12. Bd3 Bb7 13. Rfe1 Qb6 14. h3 Rfe8 15. Be3 Qa5 16. b4 Qd8 17. a4 bxa4 18. Rxa4 e6 19. e5 dxe5 20. dxe5 Nd5 21. Nxd5 exd5 22. Bxa6 Bxa6 23. Rxa6 Nxe5 24. Nxe5 Bxe5 25. Bc5 Qc7 26. Ra7 Qc6 27. Rd1 Rbd8 28. Qa2 Re6 29. Re7 Rxe7 30. Bxe7 Rd7 31. Bc5 Kg7 32. Qe2 Qf6 33. Re1 Bd6 34. Bxd6 Rxd6 35. Qe5 Qxe5 36. Rxe5 Kf6 37. Re1 d4 38. Kf1 Rb6 39. Rb1 Ke5 40. Ke2 f5 41. Kd3 Kd5 42. b5 Kc5 43. g3 h6 44. h4 g5 45. hxg5 hxg5 46. Rb2 Kd5 47. Rb4 Ke5 48. Rxd4 Rxb5 49. f4+ gxf4 50. gxf4+ Ke6 1/2-1/2

[Event "Sao Paulo Consciencia 1st"]
[Site "Sao Paulo"]
[Date "2013.12.20"]
[Round "2.13"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Ishida, Leopoldo Tetsuo"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1685"]
[PlyCount "73"]
[EventDate "2013.12.20"]
[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. Nc3 e6 4. Nf3 Nd7 5. Bf4 f5 6. e3 Ndf6 7. Bd3 Ne4 8. 0-0 Be7 9. Bxe4 fxe4 10. Ne5 Nf6 11. h3 0-0 12. c5 Nd7 13. Qg4 Nxe5 14. Bxe5 Bf6 15. Bd6 Be7 16. Bxe7 Qxe7 17. Qg3 Rf6 18. f4 Bd7 19. b4 a6 20. f5 Be8 21. fxe6 Qxe6 22. Rxf6 Qxf6 23. Rf1 Qe7 24. Na4 Bh5 25. Nb6 Rf8 26. Rxf8+ Qxf8 27. Qc7 Be2 28. Qxb7 Qf1+ 29. Kh2 Bf3 30. Qb8+ Kf7 31. Qc7+ Kf8 32. Qd6+ Kf7 33. Qf4+ Ke8 34. Qg3 Kf7 35. Nd7 Qe2 36. Ne5+ Kf6 37. Nxf3 1-0

[Event "Sao Paulo Consciencia 1st"]
[Site "Sao Paulo"]
[Date "2013.12.20"]
[Round "1.4"]
[White "Salama, Andre Sasson"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1968"]
[BlackElo "1685"]
[PlyCount "123"]
[EventDate "2013.12.20"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. d3 a6 6. Nge2 Nc6 7. Be3 e5 8. Ng3 Na5 9. Bb3 Nxb3 10. axb3 Qc6 11. 0-0 Be6 12. Nce4 Be7 13. Ng5 Bd5 14. f3 h6 15. N5e4 Be6 16. Nd2 Nd5 17. Bf2 Bc5 18. Nc4 f6 19. Qe1 0-0-0 20. Ne4 Bxf2+ 21. Qxf2 Nf4 22. Qa7 Bxc4 23. bxc4 Qb6+ 24. Qxb6 cxb6 25. Kf2 Ne6 26. Nc3 Nd4 27. Rac1 Ne6 28. Ke3 Rhe8 29. Nd5 Rd6 30. Rfe1 Nc7 31. Nc3 Ne6 32. Kf2 Kb8 33. Ne4 Rd7 34. h4 Nc5 35. Nc3 Ne6 36. Nd5 Rd6 37. f4 Nc7 38. fxe5 fxe5 39. Nc3 Rf6+ 40. Kg1 Rf4 41. g3 Rf5 42. Re4 Ne6 43. Nd5 Ka7 44. Rf1 Nd4 45. Rxf5 Nxf5 46. Kg2 Nd6 47. Re2 e4 48. Nc3 exd3 49. Rxe8 Nxe8 50. cxd3 Nd6 51. g4 b5 52. cxb5 Nxb5 53. Nxb5+ axb5 54. Kf3 Kb6 55. Ke4 Kc6 56. Ke5 Kd7 57. Kd5 b6 58. h5 Kc7 59. Ke6 Kc6 60. d4 b4 61. d5+ Kc7 62. Ke7 1-0

[Event "Sao Paulo Consciencia 1st"]
[Site "Sao Paulo"]
[Date "2013.12.20"]
[Round "3.9"]
[White "Silvestre, Gilmar Severino"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "1685"]
[PlyCount "156"]
[EventDate "2013.12.20"]
[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. Nf3 g6 3. Bf4 Bg7 4. Nbd2 d6 5. e3 0-0 6. Bd3 Bg4 7. h3 Bd7 8. c3 Nd5 9. Bh2 Nc6 10. e4 Nb6 11. 0-0 e5 12. d5 Ne7 13. Qc2 f5 14. exf5 Bxf5 15. Bxf5 Nxf5 16. Qd3 Qd7 17. Ne4 h6 18. Rfe1 c6 19. dxc6 bxc6 20. Qe2 d5 21. Rad1 Qe7 22. Ned2 e4 23. g4 Nd6 24. Bxd6 Qxd6 25. Nxe4 Qf4 26. Ned2 Rae8 27. Qd3 Kh7 28. Rxe8 Rxe8 29. Nh4 Qf6 30. Ndf3 Nc4 31. Qc2 Re4 32. Kg2 Qe7 33. b3 Na3 34. Qc1 Bf6 35. Rd3 Re2 36. Re3 Qxe3 37. Qxe3 Rxe3 38. fxe3 Bxc3 39. Nd4 c5 40. Ne2 d4 41. Kf3 Nb5 42. Ke4 Bd2 43. exd4 cxd4 44. a4 Nc3+ 45. Kd3 Nxe2 46. Kxd2 Nf4 47. b4 Nxh3 48. b5 Nf2 49. a5 Nxg4 50. b6 axb6 51. axb6 Ne5 52. Nf3 Nxf3+ 53. Kd3 Ne5+ 54. Kxd4 Nd7 55. b7 h5 56. Kd5 h4 57. Kd6 Nb8 58. Kc7 h3 59. Kxb8 h2 60. Kc8 h1Q 61. b8Q Qc6+ 62. Kd8 Qd5+ 63. Ke7 Qg5+ 64. Kd7 Kg7 65. Qb2+ Qf6 66. Qe2 g5 67. Qe4 Qf7+ 68. Kd6 Qf4+ 69. Kd5 Kh6 70. Qe6+ Kh5 71. Qh3+ Qh4 72. Qf3+ Qg4 73. Qf7+ Kh4 74. Qf2+ Kh3 75. Qe3+ Kh2 76. Qe5+ Qg3 77. Qh8+ Kg2 78. Ke4 Qh4+ 0-1

[Event "Sao Paulo Braga Memorial 2nd"]
[Site "Sao Paulo"]
[Date "2013.07.13"]
[Round "9"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Hoshino, Karen M"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1758"]
[BlackElo "1656"]
[PlyCount "84"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. h3 Bf5 6. Nf3 Nf6 7. Bc4 e6 8. 0-0 Bb4 9. Bd2 0-0 10. a3 Bxc3 11. Bxc3 Qc7 12. Re1 Nbd7 13. Nh4 Be4 14. Bd3 Bxd3 15. Qxd3 Rad8 16. Nf3 Rfe8 17. Qe2 h6 18. Ne5 Nxe5 19. Qxe5 Qxe5 20. dxe5 Nd5 21. Bd4 Nb6 22. Bxb6 axb6 23. Rad1 b5 24. Rd6 Rxd6 25. exd6 Rd8 26. Rd1 f6 27. b3 Kf7 28. c4 bxc4 29. bxc4 b5 30. c5 e5 31. f3 Ke6 32. Kf2 Ra8 33. Rd3 Kd7 34. Ke3 Ra4 35. Rc3 g6 36. g3 h5 37. Kf2 g5 38. g4 h4 39. Ke3 Rd4 40. Ke2 Rf4 41. Ke3 Rd4 42. Ke2 Rf4 1/2-1/2

[Event "Sao Paulo Braga Memorial 2nd"]
[Site "Sao Paulo"]
[Date "2013.07.12"]
[Round "8"]
[White "Schucman, Rebeca Lot"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1696"]
[BlackElo "1758"]
[PlyCount "87"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 Nc6 7. d5 Ne5 8. Nxe5 Nxe4 9. Nxe4 Bxe5 10. Nc3 e6 11. Bh6 Bg7 12. Bxg7 Kxg7 13. 0-0 e5 14. b4 f5 15. Rc1 b6 16. Qb3 f4 17. Ne4 Bf5 18. f3 Qe7 19. c5 bxc5 20. bxc5 Rab8 21. Qa3 Bxe4 22. fxe4 Rb7 23. Rb1 Rfb8 24. Rxb7 Rxb7 25. c6 Rb8 26. Bd3 Qd8 27. Qxa7 g5 28. Rb1 Rxb1+ 29. Bxb1 g4 30. a4 f3 31. Qf2 Qg5 32. Qe1 Qf4 33. gxf3 Qxf3 34. Bc2 Qa3 35. a5 Qc5+ 36. Qf2 Qxa5 37. Bd1 Qa1 38. Qe2 h5 39. Qd2 Kg6 40. Kf2 Qa3 41. Qe3 Qa1 42. Be2 Qh1 43. Qg3 Qxe4 44. Bd3 1-0

[Event "Sao Paulo Braga Memorial 2nd"]
[Site "Sao Paulo"]
[Date "2013.07.10"]
[Round "6"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Dinegri, Rodrigo"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1758"]
[BlackElo "1634"]
[PlyCount "121"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 Bg4 8. c3 e6 9. h3 Bxf3 10. Qxf3 Be7 11. Bf4 0-0 12. 0-0 Qb6 13. Be5 a5 14. Rfd1 Kh8 15. b3 Nd7 16. Qe4 f5 17. Qe2 Rae8 18. Bc4 Nxe5 19. Qxe5 Bf6 20. Qf4 e5 21. Qd2 exd4 22. cxd4 Rd8 23. Rab1 Bxd4 24. Qf4 c5 25. Re1 Rd6 26. Re7 Bf6 27. Rxb7 Qxb7 28. Qxd6 Rd8 29. Qxc5 Qe4 30. Rf1 Bc3 31. Qe3 Qxe3 32. fxe3 g6 33. a4 Re8 34. Rf3 Bd2 35. Kf2 Kg7 36. g4 Rf8 37. gxf5 Rxf5 38. Rxf5 gxf5 39. Kf3 Kf6 40. Kf4 h6 41. Bd3 h5 42. Bxf5 Bxe3+ 43. Kxe3 Kxf5 44. b4 axb4 45. a5 b3 46. Kd3 b2 47. Kc2 b1Q+ 48. Kxb1 h4 49. a6 Kf4 50. a7 Kg3 51. a8Q Kxh3 52. Qg8 Kh2 53. Kc2 h3 54. Qg4 Kh1 55. Qxh3+ Kg1 56. Qf5 Kg2 57. Qf4 Kg1 58. Kd2 Kg2 59. Ke2 Kh1 60. Qg4 Kh2 61. Kf2 1-0

[Event "Sao Paulo Braga Memorial 2nd"]
[Site "Sao Paulo"]
[Date "2013.07.09"]
[Round "5"]
[White "Araujo, Renan Aparecido"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1901"]
[BlackElo "1758"]
[PlyCount "41"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. Bf4 0-0 6. h3 Nbd7 7. e3 c5 8. d5 Nh5 9. Bh2 a6 10. a4 Qa5 11. Ra3 Rd8 12. Be2 Nhf6 13. 0-0 Ne5 14. Nxe5 dxe5 15. Bxe5 Nxd5 16. Bxg7 Nxe3 17. Qc1 Nxf1 18. Qh6 Qc7 19. Bxf1 Bf5 20. Nd5 Qd6 21. Re3 1-0

[Event "Sao Paulo Braga Memorial 2nd"]
[Site "Sao Paulo"]
[Date "2013.07.08"]
[Round "4"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Serafim, Arnor Jr"]
[Result "1-0"]
[ECO "D14"]
[WhiteElo "1758"]
[BlackElo "1851"]
[PlyCount "73"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bf4 Bf5 7. e3 e6 8. Be2 Bb4 9. 0-0 0-0 10. a3 Bxc3 11. bxc3 Rc8 12. Nd2 Na5 13. Rc1 Nc4 14. Nxc4 dxc4 15. Qa4 a6 16. Bg5 Qd6 17. Bxf6 gxf6 18. Bf3 Bd3 19. Rfe1 b5 20. Qb4 Qd7 21. e4 e5 22. h3 exd4 23. Bg4 f5 24. Bxf5 Qc6 25. Bxc8 Bxe4 26. Qe7 Bxg2 27. Qg5+ Kh8 28. Qxg2 Qxc8 29. Qf3 Rg8+ 30. Kf1 d3 31. Re7 Rg6 32. Rce1 Qg8 33. Qh1 d2 34. Rd1 Qf8 35. Qe4 Qh6 36. Qd4+ Rf6 37. Re3 1-0

[Event "Sao Paulo Braga Memorial 2nd"]
[Site "Sao Paulo"]
[Date "2013.07.07"]
[Round "3"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Freitas, Romulo Aguiar"]
[Result "0-1"]
[ECO "C17"]
[WhiteElo "1758"]
[BlackElo "1977"]
[PlyCount "92"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. dxc5 Bxc3+ 6. bxc3 Nc6 7. Qg4 Nxe5 8. Qxg7 Qf6 9. Qxf6 Nxf6 10. c4 0-0 11. Rb1 Re8 12. Bb2 Nfd7 13. Nf3 Ng6 14. Bd3 Nxc5 15. 0-0 dxc4 16. Bxc4 b6 17. Rfd1 Ba6 18. Bxa6 Nxa6 19. Bf6 Nc7 20. h4 Nd5 21. Ba1 Rac8 22. Rd2 Rc7 23. h5 Ngf4 24. Re1 Rec8 25. Nd4 Nxh5 26. Re5 Nhf4 27. a3 Ng6 28. Rg5 Nde7 29. Kh2 a6 30. Re2 Rc5 31. Rxc5 Rxc5 32. Nb3 Rc4 33. f3 Nd5 34. Rd2 Nge7 35. c3 Nc6 36. Nd4 Nxd4 37. Rxd4 Rxd4 38. cxd4 Kg7 39. Kg3 Kf6 40. Bb2 b5 41. Bc1 a5 42. Bd2 b4 43. axb4 axb4 44. Kh4 b3 45. Bc1 Nb4 46. Bb2 Nd3 0-1

[Event "Sao Paulo Braga Memorial 2nd"]
[Site "Sao Paulo"]
[Date "2013.07.05"]
[Round "1"]
[White "Martins, Anmartom Mugabe Lou"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "1998"]
[BlackElo "1758"]
[PlyCount "49"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. a4 Be7 8. 0-0 0-0 9. Be3 Qc7 10. Bb3 Nc6 11. f4 e5 12. fxe5 dxe5 13. Nf5 Rd8 14. Nd5 Qd7 15. Nfxe7+ Nxe7 16. Nxf6+ gxf6 17. Qh5 Ng6 18. Rxf6 Rf8 19. Rxg6+ hxg6 20. Qxg6+ Kh8 21. Qh6+ Kg8 22. Bg5 Qd4+ 23. Kh1 Qxe4 24. Bf6 Qh7 25. Qg5+ 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.12"]
[Round "7"]
[White "Queiroz, Stella Becker"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1611"]
[PlyCount "51"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Nbd7 7. Be3 Qc7 8. Qd2 g6 9. f3 h5 10. h3 Bg7 11. 0-0-0 b5 12. g4 Ne5 13. g5 Nfd7 14. Nd5 Qb7 15. Qa5 0-0 16. Nxe7+ Kh7 17. Nd5 Nc4 18. Bxc4 bxc4 19. Qc7 Rb8 20. Qxb7 Bxb7 21. Nc3 Nc5 22. Nde2 Rfd8 23. Bd4 Bf8 24. Bf6 Rd7 25. Rd4 Rc8 26. Rxc4 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.11"]
[Round "5"]
[White "Da Silva Filho, Manoel Barbosa"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1830"]
[PlyCount "83"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. a3 Bg7 6. Bc4 e6 7. 0-0 Nge7 8. Ba2 0-0 9. d3 Nd4 10. Bd2 Bd7 11. Rc1 a6 12. Ng5 h6 13. Nf3 Nb5 14. Nxb5 Bxb5 15. Rb1 a5 16. Qe1 Nc6 17. Qg3 Nd4 18. Nxd4 cxd4 19. f5 Kh7 20. fxg6+ fxg6 21. Bxe6 Qe7 22. Bd5 Rac8 23. Rxf8 Bxf8 24. Rf1 Be8 25. c4 b6 26. b4 a4 27. b5 Bg7 28. Bf4 Rd8 29. Bd2 g5 30. Qf3 Bg6 31. Qd1 Qa7 32. Be6 Be5 33. Qg4 Qe7 34. Bd5 Bg7 35. Rf3 Rf8 36. Rxf8 Bxf8 37. Qc8 Qf6 38. Qc7+ Bg7 39. Qxb6 Bh5 40. Qb8 Be2 41. Qg8+ Kg6 42. Qe8+ 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.11"]
[Round "6"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Hoshino, Karen M"]
[Result "1/2-1/2"]
[ECO "B90"]
[BlackElo "1616"]
[PlyCount "108"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nf6 6. Be3 e5 7. Nb3 Be7 8. f3 0-0 9. Qd2 Be6 10. 0-0-0 Nbd7 11. g4 Rc8 12. h4 Nb6 13. h5 Nfd7 14. Nd5 Bxd5 15. exd5 Nf6 16. Bxb6 Qxb6 17. Kb1 Qc7 18. Bd3 Rfe8 19. Bf5 Rb8 20. g5 Nd7 21. g6 fxg6 22. hxg6 h6 23. Be6+ Kf8 24. Rxh6 Bf6 25. Rh7 Ke7 26. Qg2 Nf8 27. Bf7 Nxh7 28. Bxe8 Ng5 29. f4 exf4 30. Re1+ Kd8 31. Nd4 Bxd4 32. Qxg5+ Bf6 33. Qxf4 Qb6 34. b3 Be5 35. Qf7 Qc7 36. Rh1 Rc8 37. Bc6 Qxf7 38. gxf7 Ke7 39. Bxb7 Rf8 40. Rf1 a5 41. Bc6 Rxf7 42. Rxf7+ Kxf7 43. Kc1 Bc3 44. Kd1 Kf6 45. Ke2 Ke5 46. Bb7 g5 47. Kf3 Kd4 48. a3 Bb2 49. b4 axb4 50. axb4 Kc4 51. Kg4 Kxb4 52. Kxg5 Kc3 53. Kf5 Kxc2 54. Ke6 Be5 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.10"]
[Round "4"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Silva, Igor dos Santos"]
[Result "0-1"]
[ECO "B00"]
[BlackElo "1933"]
[PlyCount "64"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Nf3 Bb4 5. Bd3 Nf6 6. Qe2 d5 7. exd5 Nxd5 8. Bd2 Nxc3 9. bxc3 Be7 10. Be4 Bxe4 11. Qxe4 Nd7 12. 0-0 0-0 13. Rfe1 Nf6 14. Qe2 c5 15. Rab1 Rc8 16. Qa6 Qd7 17. Qb5 Qxb5 18. Rxb5 Rfd8 19. a4 Nd5 20. Rb2 Bf6 21. c4 Ne7 22. a5 cxd4 23. axb6 axb6 24. Rxb6 Rxc4 25. Rc1 Rdc8 26. g3 h6 27. Ne1 Nd5 28. Rbb1 Be7 29. Nf3 f6 30. Re1 e5 31. Rb5 R8c5 32. Nxd4 exd4 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.10"]
[Round "3"]
[White "Van Riemsdijk, Marius Rombout"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "1833"]
[PlyCount "48"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Bd3 Qc7 9. Qd2 b5 10. a4 b4 11. Nce2 Bb7 12. Ng3 Qb6 13. c3 bxc3 14. bxc3 Nc5 15. Bxf6 gxf6 16. Rb1 Qa5 17. Bc2 d5 18. e5 fxe5 19. fxe5 Qc7 20. Nf3 Bc6 21. 0-0 Bxa4 22. Bxa4+ Nxa4 23. Rbc1 Rb8 24. Qd4 Bc5 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.09"]
[Round "1"]
[White "De Sousa, Matheus Mazim"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1853"]
[PlyCount "67"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 c6 7. Qd2 Nbd7 8. Nge2 Nb6 9. Ng3 e5 10. d5 cxd5 11. Nxd5 Nbxd5 12. cxd5 Qb6 13. Be3 Qd8 14. Bd3 b6 15. 0-0 Nd7 16. b4 f5 17. exf5 e4 18. Bg5 Qe8 19. Rae1 Bd4+ 20. Kh1 gxf5 21. Bxe4 fxe4 22. Qxd4 Qe5 23. Qxe5 Nxe5 24. Rxe4 Ba6 25. Rd1 Nd3 26. Kg1 Rae8 27. Be7 Rf7 28. Bxd6 Rxe4 29. Nxe4 Rf5 30. Bb8 Nxb4 31. d6 Nc6 32. d7 Rf8 33. Bd6 Rf7 34. Bc7 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.09"]
[Round "2"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Dinegri, Rodrigo"]
[Result "1-0"]
[ECO "B17"]
[BlackElo "1629"]
[PlyCount "117"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 Bg4 9. c3 e6 10. h3 Bxf3 11. Qxf3 Qb6 12. 0-0 Be7 13. Rb1 h6 14. Bf4 Nd5 15. Be5 Bf6 16. Qg3 Bxe5 17. Qxe5 0-0 18. f4 Qc7 19. Rbe1 b5 20. f5 Qxe5 21. Rxe5 Rae8 22. Rfe1 Nf4 23. Bc2 Rd8 24. R1e4 g5 25. fxg6 Nxg6 26. Rg4 h5 27. Rg3 c5 28. Bxg6 fxg6 29. Rxg6+ Kh7 30. Rexe6 cxd4 31. cxd4 Rxd4 32. Rh6+ Kg7 33. Rxh5 Rd1+ 34. Kh2 Rf2 35. Rxb5 Rdd2 36. Rg5+ Kf7 37. Ra6 Rxb2 38. Rxa7+ Kf6 39. Rg8 Rfc2 40. a4 Ke6 41. h4 Rc4 42. Kh3 Rbb4 43. g3 Rb1 44. Rg6+ Kf5 45. Rg5+ Kf6 46. a5 Rh1+ 47. Kg2 Ra1 48. Ra6+ Kf7 49. Rf5+ Kg7 50. h5 Ra2+ 51. Kh3 Ra3 52. Rg6+ Kh7 53. a6 Rc2 54. Rf7+ Kh8 55. a7 Rxg3+ 56. Rxg3 Rh2+ 57. Kg4 Rh4+ 58. Kf3 Rf4+ 59. Rxf4 1-0

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.21"]
[Round "6"]
[White "Klausener, Patrick Hideo Irita"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1702"]
[PlyCount "82"]
[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 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 0-0 8. Bd3 Re8 9. 0-0 Bxc3 10. Bxc3 d5 11. exd5 Nxd5 12. Nxe5 Nxc3 13. Nxc6 bxc6 14. bxc3 Rb8 15. Qh5 g6 16. Qc5 Qb6 17. Qxb6 Rxb6 18. Rfe1 Bd7 19. Rxe8+ Bxe8 20. Re1 Kf8 21. h4 Rb2 22. Ra1 Bd7 23. f4 a5 24. a4 Bf5 25. Kh2 Bxd3 26. cxd3 Rb3 27. c4 Rxd3 28. Rb1 Ra3 29. Rb6 c5 30. Rb5 Rxa4 31. Rxc5 Rb4 32. Rxa5 Rxc4 33. Kg3 Kg7 34. h5 Rc6 35. Kh4 gxh5 36. Rxh5 Rg6 37. g3 h6 38. g4 f6 39. f5 Rg5 40. Rxg5+ hxg5+ 41. Kh5 Kh7 1/2-1/2

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.21"]
[Round "7"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Awoki, Daniel Teidi"]
[Result "0-1"]
[ECO "D60"]
[BlackElo "1900"]
[PlyCount "62"]
[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 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 c6 6. Nf3 0-0 7. Bd3 Nbd7 8. 0-0 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. a4 a6 12. Re1 b4 13. Na2 a5 14. e4 c5 15. Bc2 c4 16. b3 c3 17. Qe2 Qb6 18. Rad1 Rfe8 19. Qc4 Ba6 20. Qxa6 Qxa6 21. d5 exd5 22. exd5 Qb6 23. Bf4 Ng4 24. Be3 Bc5 25. Bxc5 Qxc5 26. Rf1 Re2 27. Nd4 Rae8 28. Nc1 Rd2 29. Rde1 Rxe1 30. Rxe1 Qxd4 31. Re8+ Nf8 0-1

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.20"]
[Round "5"]
[White "Rodrigues, Fernanda dos Santos"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1902"]
[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 d6 2. Nc3 Nf6 3. f4 c6 4. Nf3 g6 5. a4 Bg7 6. e5 Nfd7 7. d4 0-0 8. Bd3 b6 9. 0-0 Ba6 10. Bxa6 Nxa6 11. Qe2 Nc7 12. h4 c5 13. d5 Qc8 14. h5 Qa6 15. Qe4 Rab8 16. Bd2 b5 17. axb5 Qb7 18. hxg6 hxg6 19. Ra3 a6 20. bxa6 Nxa6 21. e6 Nf6 22. exf7+ Rxf7 23. Qxg6 Nb4 24. Ng5 Rff8 25. Ne6 Rf7 26. f5 Nfxd5 27. Bh6 Nc7 28. Nxg7 1-0

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.20"]
[Round "4"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Evangelista, Ademar Pereira Jr"]
[Result "0-1"]
[ECO "E07"]
[BlackElo "1921"]
[PlyCount "50"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 Nbd7 6. 0-0 0-0 7. Bf4 Ne4 8. Nbd2 g5 9. Be3 f5 10. Ne1 Nd6 11. cxd5 f4 12. dxe6 Nb6 13. gxf4 gxf4 14. Bxf4 Rxf4 15. e3 Rf6 16. e4 Bxe6 17. e5 Rh6 18. exd6 Qxd6 19. Ndf3 Rf8 20. Qd2 Rh5 21. Ne5 Rxe5 22. Nf3 Rh5 23. Rfe1 Rxf3 24. Bxf3 Qxh2+ 25. Kf1 Bc4+ 0-1

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.18"]
[Round "2"]
[White "Araujo, Leonardo Augusto De"]
[Black "Sakamoto, Rodrigo Koji"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1906"]
[PlyCount "78"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be3 0-0 6. h3 d5 7. e5 Ne8 8. Be2 f6 9. 0-0 Bf5 10. b3 Nd7 11. Bf4 c6 12. Qd2 g5 13. Bh2 Nc7 14. Rae1 Ne6 15. Bd3 Bxd3 16. Qxd3 Re8 17. Qf5 Ndf8 18. Ne2 c5 19. c3 Qb6 20. Rd1 Rac8 21. exf6 exf6 22. Qxd5 Rcd8 23. Qc4 Kh8 24. d5 Nc7 25. Bxc7 Qxc7 26. Qd3 Qd6 27. c4 Ne6 28. Ng3 Nf4 29. Qf5 Ne2+ 30. Nxe2 Rxe2 31. Rd2 Rde8 32. Rfd1 a6 33. Rxe2 Rxe2 34. Rd2 Re7 35. Kf1 b5 36. Qc8+ Re8 37. Qxe8+ Bf8 38. Qf7 Qe7 39. Qxe7 Bxe7 1-0

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.18"]
[Round "1"]
[White "Sakamoto, Rodrigo Koji"]
[Black "Ferreira, Marcone Fiuza"]
[Result "0-1"]
[ECO "B28"]
[BlackElo "1927"]
[PlyCount "38"]
[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 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d5 7. Bg5 d4 8. Bxf6 gxf6 9. Ne2 Bxf5 10. exf5 Nc6 11. c3 Qd7 12. g4 0-0-0 13. Qd3 e4 14. Qd2 Qe8 15. Nxd4 Rxd4 16. Qe3 Rd5 17. b4 Nxb4 18. cxb4 Bxb4+ 19. Ke2 Qb5+ 0-1

