[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.24"]
[Round "9"]
[White "Da Mata Augusto, Ivan"]
[Black "Venelli, Luiz Gonzaga"]
[Result "0-1"]
[ECO "D31"]
[BlackElo "1850"]
[PlyCount "56"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Bd2 dxc4 5. Qa4+ Nc6 6. Nf3 a6 7. e4 Bxc3 8. Bxc3 b5 9. Qc2 Nf6 10. 0-0-0 Qe7 11. Be2 a5 12. Ne5 Bb7 13. Nxc6 Bxc6 14. e5 Nd5 15. Bd2 Nb4 16. Bxb4 axb4 17. Rhg1 Rxa2 18. Bf3 Bd5 19. Bxd5 exd5 20. Qb1 b3 21. Rge1 Qg5+ 22. Rd2 0-0 23. g3 Rfa8 24. f4 Qe7 25. f5 Ra1 26. f6 Rxb1+ 27. Kxb1 Qe6 28. Rf1 Qg4 0-1

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.24"]
[Round "8"]
[White "Edagi Fudaba, Barbara"]
[Black "Da Mata Augusto, Ivan"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2026"]
[PlyCount "42"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. 0-0 Bc5 5. Nc3 d6 6. h3 Nf6 7. d3 0-0 8. Re1 Nd4 9. a3 Nxf3+ 10. Qxf3 c6 11. b4 Bd4 12. Bb2 d5 13. Bb3 Be6 14. Nd1 Bxb2 15. Nxb2 dxe4 16. dxe4 Bxb3 17. Qxb3 Re8 18. Rad1 Qc8 19. c4 Qe6 20. Qc3 Rad8 21. Nd3 Rd4 0-1

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.23"]
[Round "6"]
[White "Da Mata Augusto, Ivan"]
[Black "Araujo, Renan Aparecido"]
[Result "0-1"]
[ECO "A50"]
[BlackElo "1917"]
[PlyCount "36"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Bg5 Be7 5. f3 c5 6. d5 d6 7. e4 Nxd5 8. Bxe7 Nxe7 9. Nb5 d5 10. e5 0-0 11. Nh3 Nbc6 12. Nd6 Nxe5 13. Nxc8 Rxc8 14. Qc2 Nf5 15. f4 Ne3 16. Qb1 N5xc4 17. Ng5 g6 18. h4 Qf6 0-1

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.23"]
[Round "7"]
[White "Santana, Expedito"]
[Black "Da Mata Augusto, Ivan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1706"]
[PlyCount "43"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 e6 4. Bg2 Nc6 5. Bg5 Be7 6. 0-0 0-0 7. Nbd2 h6 8. Bxf6 Bxf6 9. c3 e5 10. e4 Bg4 11. exd5 Qxd5 12. Qc2 Rfe8 13. Nxe5 Qd8 14. Nxc6 bxc6 15. Bxc6 Bh3 16. Rfe1 Rxe1+ 17. Rxe1 Qd6 18. Bxa8 g6 19. Ne4 Qe6 20. Nxf6+ Qxf6 21. Re8+ Kg7 22. Qe2 1-0

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.22"]
[Round "5"]
[White "Da Mata Augusto, Ivan"]
[Black "Nobre, Jose Adalberto Barb"]
[Result "1/2-1/2"]
[ECO "D92"]
[BlackElo "1737"]
[PlyCount "38"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 d5 4. Nc3 Bg7 5. Bf4 0-0 6. Nxd5 Nxd5 7. cxd5 Qxd5 8. Bxc7 Nc6 9. e3 Bg4 10. Be2 Rac8 11. Bf4 Qa5+ 12. Nd2 Bf5 13. 0-0 e5 14. Nc4 Qc7 15. dxe5 Nxe5 16. Qd6 Qxd6 17. Nxd6 Rc2 18. Nxf5 gxf5 19. Bd1 Rxb2 1/2-1/2

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.22"]
[Round "4"]
[White "Sousa, Fabio de Fatima"]
[Black "Da Mata Augusto, Ivan"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1766"]
[PlyCount "63"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 6. c3 0-0 7. Re1 d6 8. h3 Re8 9. d4 exd4 10. cxd4 Bb4 11. Nc3 Nxe4 12. Rxe4 Rxe4 13. Nxe4 h6 14. a3 Ba5 15. b4 Bb6 16. Bb2 Bf5 17. Ng3 Bd7 18. d5 Ne7 19. Bxd7 Qxd7 20. Nd4 c6 21. dxc6 Nxc6 22. Nxc6 bxc6 23. Nh5 f6 24. Bxf6 Qf5 25. Bh4 g5 26. Bg3 Rd8 27. Qe2 a5 28. bxa5 Bxa5 29. Qc4+ d5 30. Qxc6 Rc8 31. Qxh6 Qh7 32. Nf6+ 1-0

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.21"]
[Round "3"]
[White "Da Mata Augusto, Ivan"]
[Black "Fakhouri Filho, Jorge"]
[Result "0-1"]
[ECO "E20"]
[BlackElo "2025"]
[PlyCount "58"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qa4 Nc6 5. a3 Bxc3+ 6. bxc3 0-0 7. Nf3 d6 8. Bg5 Qe7 9. e3 e5 10. d5 Nb8 11. Be2 Nbd7 12. 0-0 Nc5 13. Qc2 b6 14. e4 h6 15. Bxf6 Qxf6 16. Rfe1 Bd7 17. a4 a5 18. h3 Qg6 19. Nh4 Qxe4 20. Qxe4 Nxe4 21. Rac1 Bxa4 22. Bd1 Bxd1 23. Rexd1 g6 24. Re1 Nd2 25. Nf3 Nxc4 26. Red1 Nb2 27. Rf1 Na4 28. g4 Nc5 29. h4 a4 0-1

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.21"]
[Round "2.32"]
[White "Reis, Renan do Carmo"]
[Black "Da Mata Augusto, Ivan"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2227"]
[PlyCount "37"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 6. c3 d5 7. Nxe5 Qd6 8. Nxc6 bxc6 9. e5 Qe6 10. exf6 Qxf6 11. d4 Be7 12. Re1 0-0 13. Bc2 Bd6 14. Nd2 Bd7 15. Nf3 Bg4 16. Qd3 g6 17. Bg5 Qf5 18. Qd2 Qd7 19. Bf6 1-0

