[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2012.09.15"]
[Round "4"]
[White "Ariza, Gustavo Keller"]
[Black "Ribeiro, Allysson"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "1800"]
[BlackElo "1920"]
[PlyCount "74"]
[EventDate "2012.09.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. Nxd5 Nxd5 6. cxd5 d6 7. e4 g6 8. Bb5+ Nd7 9. Bd3 Bg7 10. Qc2 0-0 11. Nf3 a6 12. a4 Ne5 13. Nxe5 Bxe5 14. Be3 Bd7 15. f4 Bg7 16. 0-0 Rc8 17. f5 c4 18. Be2 Be5 19. Bf4 Qb6+ 20. Kh1 Qxb2 21. Qxb2 Bxb2 22. Rab1 Be5 23. Bxe5 dxe5 24. Rxb7 Bxa4 25. fxg6 hxg6 26. Re7 f6 27. Re6 Kg7 28. Rxa6 Bc2 29. Bf3 Bd3 30. d6 Bxf1 31. Ra7+ Rf7 32. d7 Rd8 33. Bg4 f5 34. exf5 gxf5 35. Bh3 Rdxd7 36. Rxd7 Rxd7 37. Bxf5 Rd1 0-1

[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2012.09.15"]
[Round "3"]
[White "De Souza, Eduardo Pereira"]
[Black "Ariza, Gustavo Keller"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "82"]
[EventDate "2012.09.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 d6 7. f3 Be6 8. b3 Nb4 9. d3 0-0 10. Ba3 a5 11. 0-0 c6 12. Na4 b5 13. cxb5 cxb5 14. Nac3 Qb6+ 15. Kh1 Rac8 16. Bb2 d5 17. a3 Nc6 18. a4 b4 19. Nb5 Na7 20. Nxa7 Qxa7 21. Bxe5 Rfd8 22. d4 Rc6 23. Nf4 dxe4 24. h3 exf3 25. Bxf3 Nd5 26. Nxd5 Bxd5 27. Bxg7 Kxg7 28. Bxd5 Rxd5 29. Qf3 Qd7 30. g4 Rxd4 31. Rad1 Rcd6 32. Rc1 Rd3 33. Qg2 Rd2 34. Qe4 Re6 35. Qf3 Rd3 36. Rfd1 Red6 37. Rxd3 Rxd3 38. Qg2 Rxb3 39. h4 Qd6 40. Rc8 Rb1+ 41. Qg1 Rxg1+ 0-1

[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2012.09.14"]
[Round "2"]
[White "Ariza, Gustavo Keller"]
[Black "Da Costa, Guilherme Araujo"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "150"]
[EventDate "2012.09.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bf5 5. Qb3 Qb6 6. Qxb6 axb6 7. e3 dxc4 8. Bxc4 e6 9. 0-0 Bd6 10. Re1 Ne4 11. Nd2 Nxd2 12. Bxd2 0-0 13. e4 Bg6 14. f4 Rd8 15. e5 Bb4 16. Be3 Bxc3 17. bxc3 b5 18. Bb3 Nd7 19. Rad1 Nb6 20. Rc1 Bd3 21. Red1 Bc4 22. Ra1 Ra3 23. Bc1 Bxb3 24. Bxa3 Bxd1 25. Rxd1 Nd5 26. Bb2 Nxf4 27. g3 Nd5 28. a3 Ne3 29. Ra1 Nc4 30. Bc1 Ra8 31. Kf2 Ra4 32. Ke2 Na5 33. Rb1 Nc4 34. Ra1 Nb6 35. Kd3 Nd5 36. Bd2 Kf8 37. h3 Ra8 38. g4 Rd8 39. Rb1 Rd7 40. c4 bxc4+ 41. Kxc4 Ke7 42. h4 Kd8 43. a4 Kc7 44. a5 Kb8 45. Bb4 Nxb4 46. Rxb4 Ka7 47. Ra4 Rd5 48. Ra1 Ka6 49. Rf1 Rd7 50. Kc5 h6 51. g5 hxg5 52. hxg5 Rd5+ 53. Kc4 Rd7 54. Kc5 Ka7 55. Rf4 Kb8 56. g6 fxg6 57. Rf8+ Kc7 58. Re8 Rd5+ 59. Kc4 Rxa5 60. Rxe6 Rd5 61. Rxg6 Rd7 62. e6 Re7 63. d5 Kd6 64. Kd4 cxd5 65. Rg5 Rxe6 66. Rxd5+ Ke7 67. Rb5 Rd6+ 68. Ke5 Rd7 69. Rb3 Ke8 70. Rg3 b5 71. Rb3 Rb7 72. Kd6 b4 73. Kc5 g6 74. Rxb4 Rxb4 75. Kxb4 Kf7 0-1

[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2012.09.14"]
[Round "1"]
[White "Miquelin, Nicolas Seoane"]
[Black "Ariza, Gustavo Keller"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "1973"]
[BlackElo "1800"]
[PlyCount "53"]
[EventDate "2012.09.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 0-0 7. d3 c6 8. Rb1 Re8 9. b4 d5 10. Qc2 d4 11. Nd1 Bf5 12. b5 c5 13. Nxe5 Rxe5 14. Bxb7 Nbd7 15. Bxa8 Qxa8 16. f3 Bh3 17. Bf4 Bxf1 18. Bxe5 Nxe5 19. Kxf1 Nxf3 20. exf3 Qxf3+ 21. Kg1 Bh6 22. a4 Ng4 23. a5 Ne3 24. Qf2 Qxf2+ 25. Kxf2 Bf8 26. b6 axb6 27. a6 1-0

