[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2012.09.09"]
[Round "6"]
[White "Da Silveira, Claudio Oliveira"]
[Black "Mendonca, Paulo Renato Trisch"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1827"]
[BlackElo "1800"]
[PlyCount "55"]
[EventDate "2012.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 e6 3. Nc3 Nc6 4. e4 h6 5. d4 cxd4 6. Nxd4 a6 7. a3 Bc5 8. Be3 Bxd4 9. Bxd4 Nf6 10. Bc5 b6 11. Bd6 Ne7 12. Be2 Bb7 13. Bf3 0-0 14. 0-0 Re8 15. Qd3 Nh7 16. b4 Ng5 17. Be2 Ng6 18. f4 Nh7 19. Qd4 e5 20. fxe5 Ng5 21. Nd5 Bxd5 22. exd5 f6 23. Bh5 fxe5 24. Qf2 Nf4 25. Bxe8 Ngh3+ 26. gxh3 Nxh3+ 27. Kh1 Nxf2+ 28. Rxf2 1/2-1/2

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2012.09.09"]
[Round "7"]
[White "Martins, Anderson Donay"]
[Black "Da Silveira, Claudio Oliveira"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1935"]
[BlackElo "1827"]
[PlyCount "81"]
[EventDate "2012.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c6 2. f4 d5 3. e5 Bf5 4. Nf3 e6 5. d4 c5 6. Bb5+ Nc6 7. 0-0 Qb6 8. Bxc6+ bxc6 9. c3 Be7 10. Na3 Nh6 11. Nc2 0-0 12. Ne3 Be4 13. Ng5 cxd4 14. cxd4 Bf5 15. h3 c5 16. Nxf5 Nxf5 17. dxc5 Qxc5+ 18. Kh2 Bxg5 19. fxg5 Rab8 20. Rb1 Qc4 21. b3 Qe4 22. Bf4 Rbc8 23. Rc1 Nh4 24. Qg4 Rxc1 25. Rxc1 Nxg2 26. Rf1 Nxf4 27. Qxf4 Qxf4+ 28. Rxf4 Rc8 29. Ra4 Rc7 30. Kg3 Kf8 31. h4 g6 32. h5 Ke8 33. h6 Kd8 34. Rb4 Kc8 35. Rf4 Rd7 36. Kf3 Kc7 37. Ke3 Kc6 38. Kd3 Rb7 39. Rf1 a6 40. Rf2 Rc7 41. Rf4 1/2-1/2

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2012.09.08"]
[Round "4"]
[White "Da Silveira, Claudio Oliveira"]
[Black "Silva, Airton Dias Da"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1827"]
[BlackElo "1728"]
[PlyCount "63"]
[EventDate "2012.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bc5 5. Bg2 0-0 6. 0-0 h6 7. d3 Re8 8. a3 a5 9. Rb1 d6 10. e3 Bg4 11. h3 Bf5 12. Nh4 Bh7 13. e4 Nd4 14. Be3 c6 15. b4 axb4 16. axb4 Bb6 17. b5 Ra3 18. Na4 c5 19. Nf3 Ba5 20. Nxd4 exd4 21. Bc1 Ra2 22. Qb3 Rxa4 23. Qxa4 b6 24. Qd1 Qd7 25. Qf3 Bg6 26. g4 Qe6 27. Rd1 Nd7 28. Qg3 Ne5 29. f4 f5 30. exf5 Bxf5 31. Bd5 Bxg4 32. hxg4 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2012.09.08"]
[Round "5"]
[White "Dornelles, Marcio Neron Camarg"]
[Black "Da Silveira, Claudio Oliveira"]
[Result "1-0"]
[ECO "D42"]
[WhiteElo "1953"]
[BlackElo "1827"]
[PlyCount "53"]
[EventDate "2012.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Nc6 7. cxd5 Nxd5 8. Bd3 Be7 9. 0-0 0-0 10. Re1 Bf6 11. Ne4 Be7 12. a3 Nf6 13. Nc3 Re8 14. Bc2 a6 15. Qd3 b5 16. d5 exd5 17. Bg5 g6 18. Rxe7 Nxe7 19. Bxf6 Bf5 20. Qd2 Bxc2 21. Qxc2 Qd6 22. Be5 Qc5 23. Qd2 Rad8 24. Bf6 Qd6 25. Be5 Qc5 26. Nd4 Nc8 27. Qg5 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2012.09.07"]
[Round "3"]
[White "Bidigaray, Marcio"]
[Black "Da Silveira, Claudio Oliveira"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1707"]
[BlackElo "1827"]
[PlyCount "95"]
[EventDate "2012.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. h4 h6 7. h5 Bh7 8. Bd3 Bxd3 9. Qxd3 e6 10. Ne2 c5 11. Qb5+ Qd7 12. Qxd7+ Nxd7 13. c3 Ne7 14. Nd2 Nc6 15. f4 Be7 16. Nf3 b5 17. g5 Nb6 18. b3 a5 19. gxh6 gxh6 20. Rg1 a4 21. Rb1 b4 22. Bd2 axb3 23. axb3 Ra3 24. Kf2 Kd7 25. Rg7 Ke8 26. Nc1 Kf8 27. Rg1 Rg8 28. Rxg8+ Kxg8 29. Nd3 cxd4 30. cxd4 Ra2 31. Ke3 Ra3 32. Rb2 Kf8 33. Ke2 Ra1 34. Nc1 Ra3 35. Rc2 Ke8 36. Rxc6 Ra6 37. f5 Kd7 38. Rc2 Bf8 39. f6 Na8 40. Ra2 Ra3 41. Rxa3 bxa3 42. Na2 Kc6 43. b4 Nb6 44. Kd3 Nc4 45. Bc1 Kb5 46. Kc3 Ka4 47. Kc2 Nb6 48. Kc3 1/2-1/2

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2012.09.07"]
[Round "2"]
[White "Da Silveira, Claudio Oliveira"]
[Black "Noronha, Natanael Muana C"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "1827"]
[BlackElo "1828"]
[PlyCount "58"]
[EventDate "2012.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Bd6 8. Rc1 0-0 9. Bd3 Nd7 10. cxd5 exd5 11. 0-0 Qe7 12. a3 Nf6 13. h3 Ne4 14. Na4 f5 15. b4 g5 16. Nh2 g4 17. g3 gxh3 18. Qh5 Qg5 19. Qxg5+ hxg5 20. Nf3 g4 21. Nh4 Kg7 22. Nc5 b6 23. Nb3 Bd7 24. Ba6 Rab8 25. Bd3 Rh8 26. Rc2 Rbf8 27. Nc1 Bxg3 28. fxg3 Nxg3 29. Nxf5+ Bxf5 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2012.09.06"]
[Round "1"]
[White "Zimmermann, Kleber Renato P"]
[Black "Da Silveira, Claudio Oliveira"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2006"]
[BlackElo "1827"]
[PlyCount "67"]
[EventDate "2012.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Be2 Nbd7 7. Nf3 c6 8. 0-0 e5 9. fxe5 dxe5 10. d5 cxd5 11. cxd5 Ng4 12. Kh1 f5 13. Ng5 Ndf6 14. h3 Nh6 15. Be3 Nxe4 16. Ncxe4 fxe4 17. Qb3 Kh8 18. Rxf8+ Qxf8 19. Rf1 Qe7 20. Nxe4 Nf5 21. Bg5 Qc7 22. Rc1 Qf7 23. d6 Be6 24. Bc4 Nd4 25. Bxe6 Nxe6 26. Be7 b6 27. Qd5 Re8 28. Bh4 Qf4 29. Rd1 Qxh4 30. d7 Rd8 31. Qxe6 Rf8 32. Qe8 Qd8 33. Nd6 Kg8 34. Qe6+ 1-0

