[Event "Campinas op 12b"]
[Site "Campinas"]
[Date "2009.12.13"]
[Round "5"]
[White "Dos Santos, Luis Sergio"]
[Black "Freire, Rodrigo da Silva"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "2006"]
[PlyCount "58"]
[EventDate "2009.12.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 b5 7. Nb3 Bb7 8. a3 Nf6 9. Be2 Nxe4 10. Nxe4 Bxe4 11. Rc1 Bxg2 12. Rg1 Qxh2 13. Rxg2 Qxg2 14. Bf1 Qe4 15. Qd3 Qxd3 16. Bxd3 Nc6 17. Be4 d5 18. Bf3 Bd6 19. Ke2 Ne5 20. Rg1 Rc8 21. c3 0-0 22. Nd4 Rfe8 23. Bh6 g6 24. Bh5 Bxa3 25. bxa3 Rxc3 26. Bf4 Nd3 27. Bd6 e5 28. Nf3 Nf4+ 29. Kd2 Rd3+ 0-1

[Event "Campinas op 12b"]
[Site "Campinas"]
[Date "2009.12.12"]
[Round "2"]
[White "Cezar, William Carlos Jr"]
[Black "Dos Santos, Luis Sergio"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "59"]
[EventDate "2009.12.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 d6 4. g3 Bg7 5. Bg2 Nc6 6. 0-0 0-0 7. d3 d5 8. cxd5 Nxd5 9. Qb3 Nxc3 10. bxc3 Na5 11. Qa3 Nc6 12. Rb1 Qd6 13. Qb2 Rb8 14. Nd2 Na5 15. Ne4 Qe5 16. Bf4 Qh5 17. Bf3 Qf5 18. Bxc7 Ra8 19. g4 Qe6 20. Bxa5 f5 21. Ng3 fxg4 22. Bxb7 Bxb7 23. Qxb7 h5 24. Qb3 h4 25. Ne4 Rf7 26. Rb2 Raf8 27. Bb4 g3 28. hxg3 hxg3 29. Nxg3 Bf6 30. Kg2 1-0

[Event "Campinas op 12b"]
[Site "Campinas"]
[Date "2009.12.12"]
[Round "3"]
[White "Dos Santos, Luis Sergio"]
[Black "Nascimento, David Barbosa"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1609"]
[BlackElo "1609"]
[PlyCount "51"]
[EventDate "2009.12.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Qe2+ Be6 5. Nf3 Be7 6. Nc3 c6 7. Be3 Nf6 8. h3 0-0 9. Bg5 h6 10. Bh4 Nh7 11. Bxe7 Qxe7 12. Qd2 Bxh3+ 13. Qe2 Qxe2+ 14. Bxe2 Bxg2 15. Rg1 Bxf3 16. Bxf3 Ng5 17. Bh5 Re8+ 18. Kd2 Nd7 19. Rg3 Nf6 20. Bg4 Nfe4+ 21. Kd3 Nxf2+ 22. Kd2 Nfe4+ 23. Kd3 Nxg3 24. Rg1 N3e4 25. Rf1 Nxc3 26. bxc3 0-1

[Event "Campinas op 12b"]
[Site "Campinas"]
[Date "2009.12.11"]
[Round "1"]
[White "Dos Santos, Luis Sergio"]
[Black "Cardozo, Matheus Santos"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "1611"]
[BlackElo "1611"]
[PlyCount "22"]
[EventDate "2009.12.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 Bd7 10. Bc4 Rc8 11. Bb3 Na5 1/2-1/2

