[Event "Sao Paulo Hebraica op 28th"]
[Site "Sao Paulo"]
[Date "2022.01.16"]
[Round "5"]
[White "Fernandini, Felipe Piacente"]
[Black "Koga, Erick Akira"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1385"]
[PlyCount "138"]
[EventDate "2022.01.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Nf6 8. Bg5 Be7 9. Bxf6 Bxf6 10. Nd5 Be6 11. c3 Bg5 12. Be2 b5 13. Nc2 0-0 14. Nce3 Ne7 15. 0-0 Rb8 16. b3 Bxe3 17. Nxe3 d5 18. exd5 Nxd5 19. Nxd5 Bxd5 20. Qc2 Qg5 21. g3 f5 22. Rfd1 Be4 23. Qc1 f4 24. Bf1 Qg4 25. Re1 Qf3 26. Rxe4 Qxe4 27. Bg2 f3 28. Bf1 Rb6 29. c4 Kh8 30. c5 Rc6 31. Qc3 b4 32. Qd3 Qxd3 33. Bxd3 a5 34. a3 bxa3 35. Rxa3 Rxc5 36. Ra1 Rfc8 37. Bc4 Rxc4 38. bxc4 Rxc4 39. h4 a4 40. Kh2 h5 41. Re1 e4 42. Re3 g6 43. g4 Kg7 44. gxh5 gxh5 45. Kg3 Kf6 46. Kf4 Rb4 47. Ra3 e3+ 48. Kxf3 exf2 49. Kxf2 Rxh4 50. Kg3 Rb4 51. Kh2 h4 52. Kg2 Ke5 53. Kf2 Kd5 54. Ke2 Kc5 55. Kd2 Rg4 56. Kc2 Kb4 57. Rh3 a3 58. Kb1 Ka4 59. Ka2 Kb5 60. Kb1 Ra4 61. Ka2 Kc5 62. Rc3+ Kd4 63. Rh3 Ke5 64. Re3+ Kf4 65. Re8 h3 66. Rh8 Kg3 67. Kb3 a2 68. Rg8+ Rg4 69. Ra8 h2 0-1

[Event "Sao Paulo Hebraica op 28th"]
[Site "Sao Paulo"]
[Date "2022.01.15"]
[Round "3"]
[White "Dias, Marcelo de Souza"]
[Black "Koga, Erick Akira"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1840"]
[PlyCount "135"]
[EventDate "2022.01.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. c3 a6 6. Ba4 b5 7. Bc2 e5 8. cxd4 exd4 9. d3 Bb7 10. 0-0 Bc5 11. Nd2 Nf6 12. Nf3 d6 13. Bg5 0-0 14. Qd2 Qe7 15. Qf4 Rae8 16. Rfe1 Bb6 17. Re2 Nd5 18. Qd2 f6 19. Bh4 Kh8 20. Rae1 Nc7 21. b4 Ne6 22. Bb3 Qd7 23. Bg3 d5 24. e5 f5 25. h3 f4 26. Bh2 g5 27. Qb2 Rc8 28. Rc1 a5 29. a3 axb4 30. axb4 Rxc1+ 31. Qxc1 Rc8 32. Rc2 Rxc2 33. Qxc2 Qe7 34. Qd2 Qc7 35. g3 Qc3 36. Bd1 Bd8 37. gxf4 Qxd2 38. Nxd2 gxf4 39. Bg4 Bc8 40. Nf3 Be7 41. Bxe6 Bxe6 42. Nxd4 Bxh3 43. Bxf4 Bd7 44. e6 Be8 45. Bd2 Kg7 46. Bc3 Bf6 47. Ne2 Bxc3 48. Nxc3 Bc6 49. Ne2 Kf6 50. Nd4 Be8 51. f4 Bg6 52. f5 Be8 53. Kf2 Ke5 54. Kg3 h6 55. Kg4 Kf6 56. Kf4 h5 57. Nf3 Bc6 58. Ne5 Be8 59. d4 h4 60. Ng4+ Ke7 61. Ke5 Bh5 62. f6+ Kf8 63. Nf2 Bf3 64. Kf4 Bg2 65. Kg4 h3 66. Nxh3 Be4 67. Kf4 Bg6 68. Ke5 1-0

[Event "Sao Paulo Hebraica op 28th"]
[Site "Sao Paulo"]
[Date "2022.01.15"]
[Round "4"]
[White "Koga, Erick Akira"]
[Black "Da Cunha, Gabriela Goes"]
[Result "0-1"]
[ECO "D40"]
[BlackElo "1723"]
[PlyCount "172"]
[EventDate "2022.01.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Bf4 Nc6 6. c4 e6 7. Nc3 dxc4 8. Bxc4 Bb4 9. 0-0 Bxc3 10. bxc3 0-0 11. Bg5 h6 12. Bh4 b6 13. Bb5 Bb7 14. Bxc6 Bxc6 15. Ne5 Bb7 16. Ng4 Qd5 17. Nxf6+ gxf6 18. Qg4+ Kh7 19. f3 Rg8 20. Qf4 f5 21. Qc7 Rgf8 22. Be7 Rac8 23. Qf4 Rg8 24. Qh4 Rg6 25. Rac1 Qxa2 26. Rf2 Qd5 27. Bf6 Rcg8 28. g3 Rc8 29. Be5 Qd8 30. Qh3 Qg5 31. f4 Qd8 32. Ra2 a6 33. d5 Qxd5 34. Rac2 Qh1+ 35. Kf2 Qf3+ 36. Kg1 Qe3+ 37. Kf1 Be4 38. Bd4 Bd3+ 39. Kg2 Qe4+ 40. Kf2 Bxc2 41. Re1 Qd3 42. Qg2 Qc4 43. Qb7 Qc7 44. Qxa6 Be4 45. Re2 Bb7 46. Qb5 Qc6 47. Qe5 Qd5 48. Qe3 Qf3+ 49. Qxf3 Bxf3 50. Kxf3 Rgg8 51. Rb2 Rc6 52. h4 Kg6 53. Rb3 Rb8 54. Rb5 Rd8 55. h5+ Kxh5 56. g4+ Kg6 57. gxf5+ exf5 58. Rb1 Rxc3+ 59. Bxc3 Rd3+ 60. Ke2 Rxc3 61. Rxb6+ f6 62. Rb8 Kf7 63. Rb7+ Kg6 64. Kf2 h5 65. Rd7 h4 66. Kg2 h3+ 67. Kh2 Kh5 68. Rg7 Kh4 69. Rg8 Rc2+ 70. Kh1 Rg2 71. Rf8 Rg6 72. Ra8 Rg4 73. Kh2 Rg2+ 74. Kh1 Rf2 75. Rg8 Rxf4 76. Kh2 Rf2+ 77. Kh1 f4 78. Rg6 Re2 79. Rxf6 Kg3 80. Rg6+ Kf3 81. Rh6 Re1+ 82. Kh2 Ke2 83. Rxh3 f3 84. Kg3 f2 85. Rh2 Rg1+ 86. Kf4 Ke1 0-1

[Event "Sao Paulo Hebraica op 28th"]
[Site "Sao Paulo"]
[Date "2022.01.14"]
[Round "1"]
[White "Aragao Neto, Joao Batista"]
[Black "Koga, Erick Akira"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1685"]
[PlyCount "70"]
[EventDate "2022.01.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. 0-0 a6 6. Be2 e5 7. d3 Nf6 8. Bg5 Bc5 9. Nd2 d6 10. Kh1 h6 11. Bh4 Be6 12. c3 Rc8 13. c4 0-0 14. g4 g5 15. Bg3 Kg7 16. h4 h5 17. gxh5 g4 18. Rg1 Rh8 19. f4 Nxh5 20. Bf2 Nxf4 21. Bxg4 Qxh4+ 22. Bxh4 Rxh4+ 23. Bh3+ Kf6 24. Rg3 Rch8 25. Kg1 Bxh3 26. Qf3 Bb4 27. Nf1 Bxf1 28. Rxf1 Bd2 29. Qd1 Be3+ 30. Rxe3 Rg8+ 31. Kf2 Rg2+ 32. Ke1 dxe3 33. Qf3 Rhh2 34. Qxe3 Re2+ 35. Qxe2 Rxe2+ 0-1

[Event "Sao Paulo Hebraica op 28th"]
[Site "Sao Paulo"]
[Date "2022.01.14"]
[Round "2"]
[White "Koga, Erick Akira"]
[Black "Silvestre, Gilmar Severino"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "1775"]
[PlyCount "97"]
[EventDate "2022.01.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nc6 5. d4 e5 6. Be3 cxd4 7. cxd4 e4 8. Nc3 Bb4 9. Nd2 Bxc3 10. bxc3 Nf6 11. Bc4 Qd6 12. Qe2 0-0 13. Bg5 Bf5 14. 0-0 Rfe8 15. h3 Nd5 16. Rac1 h6 17. Be3 Nf4 18. Bxf4 Qxf4 19. Qe3 Qd6 20. f3 Qg3 21. Qe1 Qxe1 22. Rcxe1 e3 23. Ne4 Bxe4 24. fxe4 Rxe4 25. Rxf7 Kh8 26. Rxb7 Rd8 27. Bd3 Ree8 28. Bb5 Rd6 29. d5 Nd8 30. Bxe8 Nxb7 31. Rxe3 Rxd5 32. Re7 Nd6 33. Rd7 Rd1+ 34. Kh2 Rd2 35. Bg6 Ne4 36. Rxd2 Nxd2 37. Bd3 a5 38. Kg1 a4 39. Kf2 a3 40. Ke3 Nb3 41. Bc2 Nc5 42. Kd4 Ne6+ 43. Ke5 Nc7 44. Bd3 Kg8 45. Kd6 Ne8+ 46. Ke7 Nc7 47. Bc4+ Kh7 48. Kd7 Na8 49. Kc6 1-0

