[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.06.30"]
[Round "5"]
[White "Buchalla, Gustavo"]
[Black "Costa, Giovanni de Almeida"]
[Result "0-1"]
[ECO "E07"]
[BlackElo "2007"]
[PlyCount "56"]
[EventDate "2007.06.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 Be7 4. g3 Nf6 5. Bg2 0-0 6. 0-0 Nbd7 7. b3 c5 8. Bb2 cxd4 9. Bxd4 dxc4 10. bxc4 Qc7 11. Nbd2 Bc5 12. Bb2 b6 13. Nb3 Rd8 14. Qc2 h6 15. Nxc5 Nxc5 16. Be5 Qe7 17. Nd4 Bb7 18. Nc6 Bxc6 19. Bxc6 Rac8 20. Bh1 Ncd7 21. Bxf6 Nxf6 22. Qa4 Rc7 23. Rfd1 Rxd1+ 24. Rxd1 Qc5 25. Qc2 Rd7 26. Rxd7 Nxd7 27. Qa4 Qc7 28. Bc6 Nc5 0-1

[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.06.30"]
[Round "4"]
[White "Buchalla, Gustavo"]
[Black "Jukemura, Rodrigo"]
[Result "0-1"]
[ECO "D11"]
[BlackElo "2015"]
[PlyCount "62"]
[EventDate "2007.06.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 Nf6 3. d4 d5 4. g3 Bg4 5. Ne5 Bh5 6. Bg2 Nbd7 7. Nc3 e6 8. 0-0 Bd6 9. Bf4 0-0 10. Qd3 Qc7 11. Nxd7 Nxd7 12. Bxd6 Qxd6 13. cxd5 exd5 14. Rfe1 Rae8 15. e4 Bg6 16. Qf3 dxe4 17. Nxe4 Bxe4 18. Rxe4 Nf6 19. Rh4 Qb4 20. b3 Re1+ 21. Rxe1 Qxe1+ 22. Bf1 Rd8 23. Kg2 Qd2 24. Qf4 Qxf4 25. Rxf4 Kf8 26. Kf3 Ke7 27. Bc4 h6 28. Ke3 b5 29. Be2 Nd5+ 30. Kd3 Nxf4+ 31. gxf4 c5 0-1

[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.06.29"]
[Round "2"]
[White "Buchalla, Gustavo"]
[Black "Cominato Neto, Jose Luis"]
[Result "0-1"]
[ECO "E15"]
[BlackElo "2146"]
[PlyCount "84"]
[EventDate "2007.06.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. d4 b6 4. g3 Ba6 5. b3 d5 6. Nbd2 Bb4 7. a3 Bc3 8. Rb1 dxc4 9. bxc4 Bxc4 10. Bb2 Bxb2 11. Rxb2 Ba6 12. Bg2 Bb7 13. 0-0 Ne4 14. Qc2 Nxd2 15. Qxd2 Nd7 16. a4 0-0 17. Qc2 Nf6 18. Ra1 Rc8 19. a5 Bxf3 20. Bxf3 Qxd4 21. Rd1 Qe5 22. axb6 cxb6 23. Qb1 Rfd8 24. Rbd2 Rxd2 25. Rxd2 g6 26. Ra2 Qc7 27. Kg2 e5 28. e4 Nd7 29. Bg4 Rd8 30. Qa1 a5 31. Rd2 Nf6 32. Rxd8+ Qxd8 33. Be2 Qd4 34. Qxd4 exd4 35. e5 Nd7 36. f4 Nc5 37. Kf2 a4 38. Bc4 a3 39. Ke2 b5 40. Bd5 b4 41. Kd2 b3 42. Kc1 d3 0-1

[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.06.29"]
[Round "3"]
[White "Da Silva, Edson Rodrigo"]
[Black "Buchalla, Gustavo"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1967"]
[PlyCount "49"]
[EventDate "2007.06.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e4 a6 5. Nf3 Nf6 6. e5 Ne4 7. Nxe4 dxe4 8. Ng5 Bb4+ 9. Bd2 e3 10. Bxb4 exf2+ 11. Kxf2 Qxg5 12. Be2 Nd7 13. Bd6 b6 14. Bf3 Bb7 15. Re1 Ra7 16. Rc1 f6 17. Kg1 fxe5 18. dxe5 Kf7 19. Rf1 Kg8 20. Bg4 h5 21. Bxe6+ Kh7 22. Qd3+ Kh6 23. Bxd7 c5 24. Rc2 Raa8 25. e6 1-0

[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.06.28"]
[Round "1"]
[White "Fieri, Isaac Pedroso"]
[Black "Buchalla, Gustavo"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2065"]
[PlyCount "72"]
[EventDate "2007.06.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 c6 4. Bg2 Nf6 5. 0-0 Bd6 6. b3 0-0 7. Bb2 Nbd7 8. d3 e5 9. Nbd2 Re8 10. e4 Nc5 11. Qe2 Bg4 12. h3 Bh5 13. Qe3 d4 14. Qe2 a6 15. Kh2 b5 16. Rg1 Qd7 17. Qf1 a5 18. Nh4 Bg4 19. hxg4 Nxg4+ 20. Kh1 Nxd3 21. Bf3 Ndxf2+ 22. Kg2 Ne3+ 23. Kxf2 Nxf1 24. Rgxf1 Bb4 25. Rad1 Bxd2 26. Rxd2 bxc4 27. bxc4 c5 28. Nf5 g6 29. Nh6+ Kg7 30. Bg4 Qa4 31. Kg1 Kxh6 32. Rxf7 Qxc4 33. Rh2+ Kg5 34. Bd7 Qxf7 35. Bc1+ Kf6 36. Rf2+ Kg7 0-1

