[Event "Petropolis op"]
[Site "Petropolis"]
[Date "2012.01.29"]
[Round "5"]
[White "De Oliveira, Gabriel Antunes"]
[Black "Born, Ary"]
[Result "0-1"]
[ECO "E51"]
[BlackElo "1444"]
[PlyCount "68"]
[EventDate "2012.01.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 0-0 5. Nf3 d5 6. e3 c5 7. Bd3 a6 8. b3 Qa5 9. Qc2 Re8 10. 0-0 Qc7 11. Na4 Bxd2 12. Qxd2 dxc4 13. bxc4 cxd4 14. exd4 Nbd7 15. Rfe1 b5 16. Nb2 Bb7 17. Qe2 Rad8 18. Rac1 Qf4 19. Ne5 Qxd4 20. Nxd7 Nxd7 21. cxb5 Nc5 22. bxa6 Nxd3 23. axb7 Nxe1 24. Rxe1 Qb6 25. h3 Rb8 26. a4 Red8 27. Nc4 Qxb7 28. a5 Qa6 29. Ne5 Qxa5 30. Nc6 Qc7 31. Nxd8 Rxd8 32. Qe3 Rd5 33. Rc1 Qd8 34. Qb6 Qxb6 0-1

[Event "Petropolis op"]
[Site "Petropolis"]
[Date "2012.01.29"]
[Round "6"]
[White "De Oliveira, Gabriel Antunes"]
[Black "Milkievicz Da Rocha, Mateus"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "33"]
[EventDate "2012.01.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 e6 2. c4 c6 3. e4 d5 4. Nc3 Bb4 5. Bd2 Bxc3 6. Bxc3 Qh4 7. exd5 cxd5 8. Nf3 Qd8 9. Bd3 Ne7 10. 0-0 Nbc6 11. Re1 0-0 12. Rc1 Qc7 13. b3 Re8 14. cxd5 exd5 15. Bd2 Qb6 16. Rc5 Bd7 17. Qa1 0-1

[Event "Petropolis op"]
[Site "Petropolis"]
[Date "2012.01.28"]
[Round "3"]
[White "De Oliveira, Gabriel Antunes"]
[Black "Deste, Jair Francisco"]
[Result "1/2-1/2"]
[ECO "A35"]
[BlackElo "1753"]
[PlyCount "58"]
[EventDate "2012.01.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 c5 2. e3 g6 3. c4 Bg7 4. Nf3 Nc6 5. Nc3 d6 6. Be2 e6 7. 0-0 Nge7 8. dxc5 Bxc3 9. cxd6 Nf5 10. bxc3 Qxd6 11. Qxd6 Nxd6 12. Ba3 Ne4 13. Kh1 b6 14. Nd4 Bb7 15. Nxc6 Bxc6 16. Bf3 Rc8 17. Bxe4 Bxe4 18. f3 Bd3 19. Rfd1 Rd8 20. Kg1 Bxc4 21. Kf2 Rxd1 22. Rxd1 Bxa2 23. Rd2 Bb3 24. e4 f5 25. Ke3 e5 26. Bd6 h5 27. Bxe5 Rh7 28. Rd6 Re7 29. Bf4 Be6 1/2-1/2

[Event "Petropolis op"]
[Site "Petropolis"]
[Date "2012.01.28"]
[Round "4"]
[White "Silva, Airton Dias Da"]
[Black "De Oliveira, Gabriel Antunes"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "1795"]
[PlyCount "79"]
[EventDate "2012.01.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. e4 e5 2. Qh5 Nc6 3. Bc4 Qf6 4. Nc3 g6 5. Qd1 Na5 6. Nd5 Qc6 7. Bb5 Qc5 8. b3 Be7 9. b4 Qd4 10. Nxc7+ Kd8 11. Nxa8 Qxe4+ 12. Qe2 Qxg2 13. Qxe5 Bf6 14. Qc7+ Ke7 15. Qxc8 Qe4+ 16. Kf1 Qd4 17. c3 Qd5 18. Qxd7+ Qxd7 19. Bxd7 Kxd7 20. bxa5 Ne7 21. Nb6+ axb6 22. axb6 Nd5 23. Rb1 Re8 24. Nf3 Be7 25. d4 Nxc3 26. Rb3 Nxa2 27. Kg2 Rc8 28. Bf4 Nb4 29. Re1 Nd5 30. Ne5+ Ke8 31. Bg3 f6 32. Ng4 Rc4 33. Ne3 Rxd4 34. Nxd5 Rxd5 35. Ree3 Rd7 36. Re6 Kf7 37. Re2 h5 38. Bc7 g5 39. Ra2 Bd6 40. Rd2 1-0

[Event "Petropolis op"]
[Site "Petropolis"]
[Date "2012.01.27"]
[Round "1"]
[White "De Oliveira, Gabriel Antunes"]
[Black "Mignoni, Yussana Caue"]
[Result "0-1"]
[ECO "E61"]
[BlackElo "1924"]
[PlyCount "54"]
[EventDate "2012.01.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e3 d6 6. Bd3 Re8 7. 0-0 e5 8. dxe5 dxe5 9. e4 c6 10. Bg5 h6 11. Bh4 Qe7 12. Rc1 Nbd7 13. a3 Nc5 14. b4 Nxd3 15. Qxd3 g5 16. Bg3 Nh5 17. Rcd1 f5 18. exf5 Nxg3 19. fxg3 e4 20. Qxe4 Qxe4 21. Nxe4 Rxe4 22. Rd8+ Kf7 23. Rfd1 Bf6 24. R1d7+ Bxd7 25. Rxa8 g4 26. Nh4 Rxc4 27. Rxa7 Bd4+ 0-1

[Event "Petropolis op"]
[Site "Petropolis"]
[Date "2012.01.27"]
[Round "2"]
[White "Moreira, Marcos Paulo"]
[Black "De Oliveira, Gabriel Antunes"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "1800"]
[PlyCount "49"]
[EventDate "2012.01.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. Nf3 Nc6 6. 0-0 d6 7. d4 e6 8. e4 Re8 9. h3 e5 10. d5 Ne7 11. Rb1 Bd7 12. b4 c6 13. c5 Nc8 14. Bg5 Qc7 15. Nd2 cxd5 16. exd5 a6 17. Be3 Ne7 18. g4 Rac8 19. Nc4 Rcd8 20. Nxd6 Rf8 21. Qb3 Ne8 22. Nxf7 Rxf7 23. d6 Qb8 24. dxe7 Rc8 25. Bd5 1-0

