[Event "Sao Paulo op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.16"]
[Round "6"]
[White "Almeida, Gianluca Jorio"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "A18"]
[WhiteElo "1925"]
[BlackElo "2227"]
[PlyCount "85"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 c5 8. Bd3 Bd7 9. Be4 Nc6 10. Rb1 Rb8 11. d4 h6 12. 0-0 Bd6 13. Be3 cxd4 14. cxd4 0-0 15. d5 exd5 16. cxd5 Ne5 17. Bxa7 Ra8 18. Bd4 b5 19. Bxe5 Bxe5 20. Nxe5 Qxe5 21. Re1 Qd6 22. Qd2 Ra4 23. Bc2 Rg4 24. Qd3 g6 25. Qf3 h5 26. Bb3 Rf4 27. Qe3 Re8 28. Qc3 Rfe4 29. Rxe4 Rxe4 30. Re1 b4 31. Qd2 Qf4 32. Qd1 Rd4 33. Qe2 Bg4 34. Qe3 Qf6 35. h3 Bf5 36. Qe8+ Kg7 37. Qe5 Qxe5 38. Rxe5 Kf6 39. Re1 Be4 40. d6 Bd5 41. d7 Bxb3 42. axb3 Rxd7 43. Re4 1/2-1/2

[Event "Sao Paulo op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.16"]
[Round "5"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Gazola, Vanessa Ramos"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2227"]
[BlackElo "2030"]
[PlyCount "32"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qc7 Nge7 9. Nc3 Nb4 10. Bd3 d5 11. 0-0 d4 12. Ne2 0-0 13. f4 Bg4 14. Ng3 Rfc8 15. Qxb7 Rab8 16. Qa7 Ra8 1/2-1/2

[Event "Sao Paulo op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.15"]
[Round "4"]
[White "Bispo, Leonardo"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2226"]
[BlackElo "2227"]
[PlyCount "59"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 0-0 6. Qc2 c5 7. dxc5 Bxc5 8. a3 a5 9. cxd5 exd5 10. Nb5 Qe7 11. Be2 Nc6 12. 0-0 Bg4 13. Rd1 Rac8 14. Qa4 Rfd8 15. Re1 d4 16. exd4 Bxf3 17. gxf3 Bxd4 18. Bg5 Qc5 19. Bh4 Bxb2 20. Rad1 Nd4 21. Nxd4 Bxd4 22. Bf1 g5 23. Bg3 Rd5 24. Kg2 b5 25. Qxb5 Qxa3 26. Qa6 Qc3 27. Rxd4 Rc6 28. Rc4 Rxc4 29. Bxc4 Rc5 30. Re5 1-0

[Event "Sao Paulo op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.15"]
[Round "3"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Sztokbant, Bernardo Vainzoff"]
[Result "1/2-1/2"]
[ECO "C51"]
[WhiteElo "2227"]
[BlackElo "2162"]
[PlyCount "67"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Na5 7. Nxe5 Nxc4 8. Nxc4 d5 9. exd5 Qxd5 10. Ne3 Qa5 11. 0-0 Nf6 12. d5 0-0 13. Qf3 Bd7 14. Rd1 Bc5 15. c4 Ba4 16. Rd2 Rae8 17. g3 Ne4 18. Re2 Bd4 19. Bb2 Qb6 20. c5 Qxb2 21. Rxb2 Bxb2 22. Nc3 Bxc3 23. Rc1 Bd4 24. Nf5 Bxf2+ 25. Kg2 Bd7 26. d6 Bc6 27. Ne7+ Rxe7 28. dxe7 Re8 29. Qf4 Ng5+ 30. Kf1 Bb5+ 31. Kg2 Bc6+ 32. Kf1 Bb5+ 33. Kg2 Bc6+ 34. Kf1 1/2-1/2

[Event "Sao Paulo op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.14"]
[Round "2"]
[White "Hoshino, Karen M"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1878"]
[BlackElo "2227"]
[PlyCount "136"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. Be2 dxc4 7. Bxc4 a6 8. a4 cxd4 9. exd4 Be7 10. 0-0 0-0 11. d5 exd5 12. Nxd5 Nxd5 13. Qxd5 Qxd5 14. Bxd5 Rd8 15. Bxc6 bxc6 16. Bf4 Be6 17. Rac1 Rac8 18. Rfe1 Bb4 19. Re4 a5 20. Bg5 Rd5 21. Rd4 c5 22. Rxd5 Bxd5 23. Nd4 f6 24. Be3 Re8 25. Nc2 c4 26. h3 Rb8 27. Nd4 Bf8 28. Nb5 Rc8 29. Bb6 Bb4 30. Rd1 Be4 31. Nd6 Rc6 32. Nxe4 Rxb6 33. Rd8+ Kf7 34. Rc8 Be7 35. Rxc4 Rxb2 36. Nc5 Rb1+ 37. Kh2 Bd6+ 38. g3 Rb4 39. Rc2 Bxc5 40. Rxc5 Rxa4 41. Rc7+ Kg6 42. Ra7 f5 43. g4 fxg4 44. hxg4 Rxg4 45. Rxa5 Rg5 46. Ra4 Kf5 47. Kh3 Rg1 48. f3 g5 49. Kh2 Re1 50. Kg3 Re3 51. Ra8 Rb3 52. Ra5+ Kg6 53. Ra6+ Kh5 54. Rc6 Rb8 55. Ra6 Rg8 56. Kh3 Rg6 57. Ra7 Kh6 58. Kg4 Rf6 59. Ra4 Kg6 60. f4 h5+ 61. Kg3 g4 62. Ra5 Rf5 63. Rxf5 Kxf5 64. Kh4 Kxf4 65. Kxh5 g3 66. Kh4 g2 67. Kh3 g1Q 68. Kh4 Qh2# 0-1

[Event "Sao Paulo op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.13"]
[Round "1"]
[White "Oliveira, Jefferson dos Santo"]
[Black "De Haro, Martim Alfonso"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2227"]
[BlackElo "2028"]
[PlyCount "73"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. c3 d5 5. Nxe5 dxe4 6. d4 exd3 7. Qf3 Be6 8. 0-0 Qd5 9. Qxd5 Bxd5 10. Nxd3 a6 11. Ba4 Bc4 12. Rd1 0-0-0 13. Bc2 Ng6 14. Be3 Bd6 15. Nc5 Bxc5 16. Bxc5 Rxd1+ 17. Bxd1 Nce5 18. Nd2 Bd5 19. Bd4 Re8 20. Bc2 f6 21. Re1 Kd8 22. f3 b6 23. Kf2 Nc4 24. Rxe8+ Kxe8 25. Bb3 b5 26. Nxc4 Bxc4 27. Bxc4 bxc4 28. Ke3 Kd7 29. Ke4 Kd6 30. f4 f5+ 31. Ke3 Nf8 32. Bxg7 Ne6 33. Bd4 Kd5 34. Ba7 c6 35. h3 h5 36. Kf3 h4 37. Bf2 1-0

[Event "BRA-chT U26"]
[Site "Foz do Iguacu"]
[Date "2012.10.21"]
[Round "7"]
[White "De Souza, Rafael Cabral"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2122"]
[BlackElo "2255"]
[PlyCount "102"]
[EventDate "2012.10.18"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bd3 Bb7 11. Rhe1 Qb6 12. Nd5 Qxd4 13. Bxf6 gxf6 14. Bxb5 Qc5 15. b4 Qxb5 16. Nc7+ Ke7 17. Nxb5 axb5 18. Qd3 Ra6 19. Qxb5 Rb6 20. Qd3 Bh6 21. g3 Ra8 22. a3 e5 23. Qf3 exf4 24. Qh5 Bg7 25. Qxh7 Bf8 26. gxf4 Rxa3 27. Rd4 Rc6 28. Qf5 Ra1+ 29. Kd2 Ra2 30. Rc1 Bh6 31. Kd1 Nf8 32. Qd5 Ra7 33. b5 Rb6 34. Qf5 Ne6 35. Rc4 Bxf4 36. Rc7+ Nxc7 37. Qxf4 Rxb5 38. Kd2 Ra4 39. c4 Re5 40. h4 Rxe4 41. Qg3 Rd4+ 42. Ke1 Ra5 43. c5 Ne6 44. Qb3 Bc8 45. cxd6+ Rxd6 46. Rxc8 Re5+ 47. Kf1 f5 48. Qd3 Nd4 49. h5 f4 50. h6 Rh5 51. Rc7+ Ke6 1/2-1/2

[Event "BRA-chT U26"]
[Site "Foz do Iguacu"]
[Date "2012.10.21"]
[Round "6"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Da Silva Borges, Rodrigo"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2255"]
[BlackElo "2198"]
[PlyCount "70"]
[EventDate "2012.10.18"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. d4 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. a4 dxe5 8. a5 N6d7 9. Bxf7+ Kxf7 10. Ng5+ Kg8 11. Ne6 Qe8 12. Nxc7 Qd8 13. Ne6 Qe8 14. Nc7 Qd8 15. Nxa8 exd4 16. c3 Nc5 17. b4 Ne6 18. 0-0 dxc3 19. Qxd8+ Nxd8 20. Ra3 c2 21. Nc3 Nbc6 22. Nd5 Bf5 23. b5 Nd4 24. Re1 N8e6 25. a6 Kf7 26. axb7 Rb8 27. Rxa7 Nxb5 28. Ra2 Rxb7 29. Ne3 Nc3 30. Rb2 Ne2+ 31. Rxe2 Bxb2 32. Nxf5 Bxc1 33. Rxc2 Rb1 34. Ng3 Nd4 35. Ra2 Bb2+ 0-1

[Event "BRA-chT U26"]
[Site "Foz do Iguacu"]
[Date "2012.10.20"]
[Round "5"]
[White "De Freitas, Daniel Gomes"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1870"]
[BlackElo "2255"]
[PlyCount "75"]
[EventDate "2012.10.18"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 a6 2. d4 d6 3. a4 Nf6 4. Nc3 g6 5. f3 Nbd7 6. Be3 c6 7. Qd2 Qa5 8. Nge2 b5 9. Nc1 b4 10. N3e2 Rb8 11. Nb3 Qc7 12. a5 h5 13. h4 Bg7 14. Nf4 e6 15. Rd1 0-0 16. Be2 c5 17. dxc5 d5 18. exd5 exd5 19. Nd3 Qg3+ 20. Kf1 Qc7 21. Bf4 Qb7 22. Bxb8 Qxb8 23. c6 Ne5 24. Qxb4 Qc7 25. Qb6 Qe7 26. Qc5 Qc7 27. Nb4 d4 28. Rxd4 Re8 29. Qd6 Qa7 30. c7 Nfd7 31. Re4 Bf8 32. Qd4 Qxc7 33. f4 Nc5 34. Rxe5 Nxb3 35. Qc3 Nc5 36. Rxe8 Qxf4+ 37. Bf3 Qc7 38. Nd5 1-0

[Event "BRA-chT U26"]
[Site "Foz do Iguacu"]
[Date "2012.10.20"]
[Round "4"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Lorenzon, Eduardo Lucas"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "2255"]
[BlackElo "1810"]
[PlyCount "87"]
[EventDate "2012.10.18"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Qf6 5. c3 Nge7 6. d3 0-0 7. Nbd2 d6 8. b4 Bb6 9. Nc4 Bg4 10. a4 a6 11. Nxb6 cxb6 12. Bc4 Ng6 13. h3 Bxf3 14. Qxf3 Qxf3 15. gxf3 Kh8 16. Be3 Nh4 17. Bxb6 Nxf3+ 18. Kg2 Nh4+ 19. Kg3 Ng6 20. Bc7 Nf4 21. b5 Rfc8 22. Bxd6 Na5 23. Bxe5 Ng6 24. Bd4 Nxc4 25. dxc4 Rxc4 26. Rfb1 Nf8 27. bxa6 bxa6 28. Rb4 Rc7 29. Rab1 Ne6 30. Rb8+ Rc8 31. Rxa8 Rxa8 32. Rb7 Kg8 33. Kf3 Kf8 34. Ke3 Ke8 35. f4 Nd8 36. Rb6 f6 37. h4 Kd7 38. h5 Kc7 39. h6 Nc6 40. hxg7 Rg8 41. Rxa6 Rxg7 42. Bxf6 Rg3+ 43. Kf2 Rd3 44. Ra8 1-0

[Event "BRA-chT U26"]
[Site "Foz do Iguacu"]
[Date "2012.10.19"]
[Round "2"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Bisesar, Maycon da Costa"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "2255"]
[BlackElo "1835"]
[PlyCount "51"]
[EventDate "2012.10.18"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. Bb3 Nxd4 11. Bxd4 b5 12. Nd5 a5 13. Bb6 Qe8 14. Bxa5 Nxd5 15. Bxd5 Bxb2 16. Rb1 Rxa5 17. Qxa5 Bd4 18. Qd2 Bc5 19. Bb3 Qa8 20. h4 Qa7 21. h5 Be3 22. Qd3 g5 23. Kf1 Bf4 24. h6 Bg3 25. Qd2 b4 26. Qxg5+ 1-0

[Event "BRA-chT U26"]
[Site "Foz do Iguacu"]
[Date "2012.10.19"]
[Round "3"]
[White "Rabello, Felipe Botelho"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2064"]
[BlackElo "2255"]
[PlyCount "89"]
[EventDate "2012.10.18"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Be2 e5 7. Nb3 Be7 8. a4 Be6 9. f4 Qc7 10. f5 Bc4 11. a5 Nbd7 12. Be3 Rc8 13. Ra4 Bxe2 14. Qxe2 0-0 15. 0-0 Qc6 16. Qf3 Rfd8 17. g4 h6 18. h4 Nh7 19. Qg3 f6 20. Nd2 Nc5 21. Rc4 Qe8 22. Nd5 Rc6 23. Nf3 Rdc8 24. g5 fxg5 25. hxg5 hxg5 26. Nxg5 Nd7 27. Rb4 Ndf6 28. Nxh7 Kxh7 29. Rxb7 Nxd5 30. exd5 Rxc2 31. f6 gxf6 32. Rxf6 Rc1+ 33. Bxc1 Rxc1+ 34. Rf1 Rxf1+ 35. Kxf1 Qf8+ 36. Qf2 Kg6 37. Qxf8 Bxf8 38. Rb6 Kf5 39. Rxa6 Ke4 40. Rb6 Kd3 41. a6 e4 42. a7 e3 43. Rb3+ Kd2 44. Rxe3 Kxe3 45. a8Q 1-0

[Event "BRA-chT U26"]
[Site "Foz do Iguacu"]
[Date "2012.10.18"]
[Round "1"]
[White "Barreiros da Silva, Denison Klein"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "1912"]
[BlackElo "2255"]
[PlyCount "179"]
[EventDate "2012.10.18"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bxf6 Nxf6 11. g4 b4 12. Nce2 Bb7 13. Ng3 Be7 14. g5 Nd7 15. h4 Rc8 16. Bd3 Nc5 17. Kb1 Nxd3 18. Qxd3 Qc4 19. Qd2 Bd8 20. Rhe1 g6 21. f5 e5 22. Nf3 Bc7 23. h5 Rd8 24. hxg6 hxg6 25. f6 Qc5 26. Rh1 Kd7 27. Rh6 Kc8 28. Ne1 a5 29. Nd3 Qd4 30. Qe2 Rxh6 31. gxh6 Rh8 32. Nf2 Qb6 33. Ng4 Ba6 34. Qd2 Bc4 35. Ne3 Be6 36. Nd5 Qc5 37. Nf1 Bxd5 38. exd5 Bd8 39. Qg5 Qc4 40. Ne3 Qf4 41. Qxf4 exf4 42. Ng4 Kb7 43. Rf1 g5 44. c4 bxc3 45. bxc3 Kb6 46. Kc2 Kc5 47. Rd1 f3 48. Rf1 Kxd5 49. Rxf3 Ke4 50. Rf1 d5 51. Kd2 Bc7 52. Ke2 Be5 53. Nf2+ Kf5 54. Nd3+ Bf4 55. Nxf4 gxf4 56. Rh1 Kxf6 57. Kf3 Kg6 58. Rd1 Rc8 59. Kxf4 Rxc3 60. Rh1 Rc8 61. Ke5 Rd8 62. Kd4 Kh7 63. Rf1 Kg6 64. Rh1 Rh8 65. Kxd5 Rxh6 66. Rg1+ Kf6 67. Rf1+ Ke7 68. Re1+ Re6 69. Rb1 Re2 70. a4 f5 71. Rb7+ Kf6 72. Ra7 f4 73. Kd4 f3 74. Ra6+ Kf5 75. Rxa5+ Kf4 76. Ra8 f2 77. Rf8+ Kg3 78. Kc5 Re4 79. Rxf2 Kxf2 80. a5 Re6 81. Kb5 Ke3 82. a6 Kd4 83. a7 Re8 84. Kb6 Kc4 85. Kb7 Kb5 86. a8Q Re7+ 87. Kb8 Re8+ 88. Ka7 Re7+ 89. Qb7+ Rxb7+ 90. Kxb7 1/2-1/2

[Event "Universiad Men 26th"]
[Site "Shenzhen"]
[Date "2011.08.21"]
[Round "9"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Pruijssers, Roeland"]
[Result "0-1"]
[ECO "E83"]
[WhiteElo "2256"]
[BlackElo "2461"]
[PlyCount "80"]
[EventDate "2011.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 Re8 8. 0-0-0 a6 9. Kb1 Bd7 10. d5 Ne5 11. c5 b5 12. cxb6 cxb6 13. g4 b5 14. g5 b4 15. gxf6 bxc3 16. Qxc3 exf6 17. Bd4 f5 18. b3 fxe4 19. f4 Rc8 20. Qb4 Qc7 21. Qd2 e3 22. Qb2 Bf5+ 23. Ka1 Be4 24. fxe5 Bxe5 25. Bxa6 Bxd4 26. Qxd4 Bxh1 27. Bxc8 Qxc8 28. Ne2 Bf3 29. Rc1 Qg4 30. Qxg4 Bxg4 31. Nd4 Re4 32. Nc2 f5 33. a4 f4 34. a5 Be2 35. Ne1 f3 36. a6 f2 37. a7 Re8 38. Ng2 f1Q 39. Rxf1 Bxf1 40. Nxe3 Ba6 0-1

[Event "Universiad Men 26th"]
[Site "Shenzhen"]
[Date "2011.08.19"]
[Round "8"]
[White "Purnama, Tirta Chandra"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2379"]
[BlackElo "2256"]
[PlyCount "84"]
[EventDate "2011.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 0-0 7. Qc2 Nbd7 8. a3 Bxc3+ 9. Qxc3 b6 10. Qc6 Ba6 11. Rc1 Rc8 12. Bxf6 Nxf6 13. Qa4 Bc4 14. Nd2 c6 15. e3 Bxf1 16. Nxf1 c5 17. Rd1 cxd4 18. Qxd4 Qe8 19. Qd3 Qe5 20. Qb3 d4 21. f3 dxe3 22. Nxe3 Rfe8 23. Kf2 Rc5 24. a4 b5 25. a5 b4 26. a6 Rc6 27. Rhe1 Qxh2 28. Nf5 Rce6 29. Qxb4 Qc7 30. Rxe6 Rxe6 31. Nd6 g6 32. Qb7 Qc5+ 33. Kf1 Rxd6 34. Qb8+ Ne8 35. Qxe8+ Kg7 36. Rxd6 Qxd6 37. Qb5 Qd1+ 38. Kf2 Qd2+ 39. Kf1 Qd1+ 40. Kf2 Qd2+ 41. Kf1 Qd1+ 42. Kf2 Qd2+ 1/2-1/2

[Event "Universiad Men 26th"]
[Site "Shenzhen"]
[Date "2011.08.19"]
[Round "7"]
[White "Ssegwanyi, Arthur"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B80"]
[BlackElo "2256"]
[PlyCount "64"]
[EventDate "2011.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. Qd2 h6 8. Be3 a6 9. f3 b5 10. a3 Bb7 11. 0-0-0 Nbd7 12. Kb1 Rc8 13. Be2 Nb6 14. g4 Nfd7 15. h4 Ne5 16. g5 Nbc4 17. Bxc4 Nxc4 18. Qd3 Nxe3 19. Qxe3 Qb6 20. Qg1 b4 21. axb4 Qxb4 22. Na2 Qc5 23. g6 Bf6 24. gxf7+ Kxf7 25. h5 Rhe8 26. c3 a5 27. Qg4 Rb8 28. Rhg1 Ba6 29. Ka1 Bc4 30. Rg2 Bxa2 31. e5 dxe5 32. Qg6+ Kf8 0-1

[Event "Universiad Men 26th"]
[Site "Shenzhen"]
[Date "2011.08.18"]
[Round "6"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Nestorovic, Nikola"]
[Result "0-1"]
[ECO "C91"]
[WhiteElo "2256"]
[BlackElo "2474"]
[PlyCount "94"]
[EventDate "2011.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d4 Bg4 10. Be3 exd4 11. cxd4 d5 12. e5 Ne4 13. h3 Bh5 14. a4 Bb4 15. Rf1 Na5 16. Bc2 f5 17. Qc1 c6 18. Bd2 Be7 19. Bd1 b4 20. Ne1 Bxd1 21. Qxd1 Qb6 22. Nf3 Rad8 23. Be1 c5 24. Nbd2 c4 25. Rc1 c3 26. Nxe4 fxe4 27. Nh2 cxb2 28. Rb1 Nc4 29. Ng4 Bg5 30. Qb3 h5 31. Ne3 Bxe3 32. fxe3 Rxf1+ 33. Kxf1 a5 34. Kg1 Qh6 35. Bh4 Rd7 36. Re1 g5 37. Bg3 h4 38. Bh2 Rf7 39. Qc2 Qe6 40. Qe2 Qf5 41. Rb1 Kg7 42. Qh5 Nxe3 43. Kh1 Qf1+ 44. Rxf1 Rxf1+ 45. Bg1 Rxg1+ 46. Kxg1 b1Q+ 47. Kf2 Qf1+ 0-1

[Event "Universiad Men 26th"]
[Site "Shenzhen"]
[Date "2011.08.18"]
[Round "5"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Pavlov, Sergey1111"]
[Result "1/2-1/2"]
[ECO "C70"]
[WhiteElo "2256"]
[BlackElo "2505"]
[PlyCount "41"]
[EventDate "2011.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. c3 g6 6. d4 exd4 7. cxd4 b5 8. Bb3 Bg7 9. a4 Bb7 10. 0-0 0-0 11. Re1 Na5 12. Ba2 d6 13. Bg5 h6 14. Bh4 Qd7 15. e5 Nd5 16. Nbd2 Ne7 17. Nb1 Nd5 18. Nbd2 Nf4 19. Bg3 dxe5 20. Nxe5 Qxd4 21. Ndf3 1/2-1/2

[Event "Universiad Men 26th"]
[Site "Shenzhen"]
[Date "2011.08.16"]
[Round "3"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Yilmaz, Mustafa"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2256"]
[BlackElo "2519"]
[PlyCount "120"]
[EventDate "2011.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 8. Be3 Be6 9. Qd2 h5 10. 0-0-0 Nbd7 11. Kb1 Rc8 12. h3 b5 13. a3 Qc7 14. Nc1 Nb6 15. N1a2 Qb7 16. Nb4 Nc4 17. Bxc4 bxc4 18. Ncd5 Nxd5 19. Nxd5 Bd8 20. Qb4 Qxb4 21. Nxb4 a5 22. Na2 Rc6 23. Rd2 Bb6 24. Bxb6 Rxb6 25. Nc3 Kd7 26. Nd1 f5 27. exf5 Bxf5 28. Kc1 Rhb8 29. g4 hxg4 30. fxg4 Be6 31. c3 Rh8 32. Ne3 Rc6 33. h4 g6 34. h5 gxh5 35. gxh5 Rh6 36. Rg2 Rc8 37. Ng4 Rhh8 38. h6 Rcf8 39. Ne3 Ke7 40. Rh4 Rf4 41. Rgh2 Rh7 42. Rh5 Kf6 43. Rg2 d5 44. Kd2 Bf7 45. Rh3 d4 46. Nc2 Bg6 47. Ne1 Rb7 48. Kc1 Rd7 49. Rd2 Re7 50. Kd1 Rf1 51. Re2 Rb7 52. Rf3+ Rxf3 53. Nxf3 Bh5 54. Kc1 Bxf3 55. Rf2 Rb3 56. Rh2 Be4 57. Rf2+ Kg5 58. cxd4 Rxa3 59. Rh2 Bh7 60. Rd2 Rb3 0-1

[Event "Universiad Men 26th"]
[Site "Shenzhen"]
[Date "2011.08.16"]
[Round "4"]
[White "Ong, Chong Hao Nathanael"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1911"]
[BlackElo "2256"]
[PlyCount "26"]
[EventDate "2011.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d3 Nc6 7. Bg5 Be7 8. Bxf6 Bxf6 9. Nxd5 Bxb2 10. Qe2+ Be6 11. Rb1 0-0 12. Rxb2 Bxd5 13. Bxd5 Qxd5 0-1

[Event "Universiad Men 26th"]
[Site "Shenzhen"]
[Date "2011.08.15"]
[Round "2"]
[White "Wong, Kai Meng"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1712"]
[BlackElo "2256"]
[PlyCount "54"]
[EventDate "2011.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 d5 4. e3 c6 5. Nc3 Nbd7 6. Bd3 Bd6 7. Nf3 0-0 8. 0-0 dxc4 9. Bxc4 e5 10. Ng5 Qe7 11. f4 exd4 12. exd4 Nb6 13. Re1 Qc7 14. Bxf7+ Rxf7 15. Nxf7 Qxf7 16. a4 Bg4 17. Qd3 Rd8 18. h3 Be6 19. a5 Bc4 20. Qc2 Bb3 21. Qd3 Nbd7 22. Nb1 Nc5 23. Qf3 Bd5 24. Qf1 Bc4 25. Qf3 Nb3 26. Ra4 Bb5 27. Ra2 Nxd4 0-1

[Event "Sao Paulo Masters 2nd"]
[Site "Sao Paulo"]
[Date "2011.05.10"]
[Round "3.1"]
[White "Cohn, Max Eduardo"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2131"]
[BlackElo "2256"]
[PlyCount "68"]
[EventDate "2011.05.10"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Nc6 4. d4 g6 5. 0-0 Bg7 6. c3 0-0 7. Bg5 Ne4 8. Bf4 Re8 9. Nbd2 Bf5 10. Nh4 Nxd2 11. Qxd2 Be6 12. Bh6 Bf6 13. Nf3 Bf5 14. Bg5 Bg7 15. Nh4 Be6 16. Rae1 Qd7 17. e4 dxe4 18. Bxe4 Bxa2 19. d5 Nd8 20. Ra1 Bc4 21. Rfd1 Qb5 22. Ng2 c6 23. Ne3 cxd5 24. Nxd5 Bxd5 25. Bxd5 e6 26. Bg2 Nc6 27. Qd7 Qxg5 28. Qxb7 Ne7 29. Rd7 Rab8 30. Qc7 Nd5 31. Bxd5 exd5 32. Rxf7 Be5 33. Qd7 Rbd8 34. Qb5 Kxf7 0-1

[Event "Sao Paulo Masters 2nd"]
[Site "Sao Paulo"]
[Date "2011.05.10"]
[Round "1.1"]
[White "Cubas, Jose Fernando"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2505"]
[BlackElo "2256"]
[PlyCount "57"]
[EventDate "2011.05.10"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 e6 5. g3 g6 6. Bg2 Bg7 7. d3 Nge7 8. 0-0 0-0 9. Be3 Nd4 10. Qd2 Nec6 11. Nd1 b5 12. Ne1 b4 13. c3 Nb5 14. e5 Bb7 15. cxb4 cxb4 16. d4 dxe5 17. dxe5 Qxd2 18. Bxd2 a5 19. Nd3 Rad8 20. N1f2 Ba8 21. Be3 Ncd4 22. Bxa8 Rxa8 23. Rad1 Rfd8 24. Ne4 Rac8 25. Ndc5 Rd5 26. Kg2 Nc2 27. Bf2 Nbd4 28. Rd3 Bf8 29. Nf6+ 1-0

[Event "Sao Paulo Masters 2nd"]
[Site "Sao Paulo"]
[Date "2011.05.10"]
[Round "2.2"]
[White "De Lima, Diogo Nakasawa"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B87"]
[WhiteElo "2053"]
[BlackElo "2256"]
[PlyCount "70"]
[EventDate "2011.05.10"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. a3 Nbd7 9. 0-0 Nc5 10. Qe2 Nxb3 11. cxb3 Bb7 12. f4 Be7 13. f5 e5 14. Nc2 0-0 15. Bg5 Nxe4 16. Bxe7 Nxc3 17. bxc3 Qxe7 18. f6 Qe6 19. fxg7 Rfc8 20. Qd2 Qd5 21. Rad1 Qxd2 22. Rxd2 Rxc3 23. Na1 Rac8 24. Rxd6 R8c7 25. a4 bxa4 26. bxa4 Kxg7 27. h4 R3c6 28. Rd5 Rg6 29. Rd2 Rc4 30. h5 Rg5 31. Rdf2 f5 32. Nb3 f4 33. Nd2 Rxh5 34. Nf3 Rc3 35. Nd2 Rg3 0-1

[Event "Sao Paulo Masters 2nd"]
[Site "Sao Paulo"]
[Date "2011.05.10"]
[Round "3.2"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Cohn, Max Eduardo"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2256"]
[BlackElo "2131"]
[PlyCount "103"]
[EventDate "2011.05.10"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. h3 Bh5 7. Nbd2 c6 8. c4 Nf4 9. 0-0 Nxe2+ 10. Qxe2 Nd7 11. exd6 Bxd6 12. Ne4 Nf6 13. Nxd6+ Qxd6 14. Be3 0-0 15. Rfd1 Qb4 16. b3 h6 17. Bf4 Qc3 18. Rac1 Bxf3 19. Qxf3 Qxf3 20. gxf3 Rfd8 21. Be5 Nd7 22. Bc7 Rdc8 23. Bd6 a5 24. Kf1 a4 25. b4 b5 26. cxb5 cxb5 27. Ke2 Nb6 28. Rc5 Nc4 29. Bf4 Rxc5 30. bxc5 Rd8 31. Be3 Kf8 32. Rb1 Na3 33. Rb4 Nc2 34. Rxb5 Nxd4+ 35. Bxd4 Rxd4 36. Ke3 Rc4 37. Kd3 Rc1 38. Rb4 Rxc5 39. Rxa4 Rd5+ 40. Rd4 Rf5 41. Ke4 Rh5 42. a4 Rh4+ 43. Ke3 Rxh3 44. a5 Rh1 45. Ra4 Re1+ 46. Kd4 Rc1 47. a6 Rc8 48. a7 Ra8 49. Kc5 Ke7 50. Kc6 Rc8+ 51. Kb7 Kd7 52. Rd4+ 1-0

[Event "Sao Paulo Masters 2nd"]
[Site "Sao Paulo"]
[Date "2011.05.10"]
[Round "1.2"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Cubas, Jose Fernando"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2256"]
[BlackElo "2505"]
[PlyCount "66"]
[EventDate "2011.05.10"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nge7 9. c4 Nxd5 10. exd5 Nd4 11. cxb5 Be7 12. Bd3 0-0 13. 0-0 f5 14. f4 axb5 15. Be3 Bf6 16. Bxd4 exd4 17. Nxb5 Qb6 18. Qb3 Bd7 19. a4 Rfb8 20. Qb4 g6 21. Rfc1 Bxb5 22. Bxb5 d3+ 23. Kh1 Qf2 24. Qxd6 Bxb2 25. Rf1 Qb6 26. Qxb6 Rxb6 27. Rad1 Rd8 28. Rxd3 Kg7 29. Rf2 Bf6 30. Rc2 Rbd6 31. Bc6 h5 32. a5 Rb8 33. g3 Rb1+ 0-1

[Event "Sao Paulo Masters 2nd"]
[Site "Sao Paulo"]
[Date "2011.05.10"]
[Round "2.1"]
[White "Oliveira, Jefferson dos Santo"]
[Black "De Lima, Diogo Nakasawa"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2256"]
[BlackElo "2053"]
[PlyCount "51"]
[EventDate "2011.05.10"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 Nc6 7. g5 Nd7 8. Be3 a6 9. h4 Qc7 10. Qe2 b5 11. Nxc6 Qxc6 12. 0-0-0 b4 13. Nd5 exd5 14. exd5 Qa4 15. Bd4+ Kd8 16. b3 Qxa2 17. Re1 Bb7 18. Qe8+ Kc7 19. Qxf7 Rc8 20. Bh3 Kb8 21. Re2 Nc5 22. Bxc8 Bxc8 23. Rhe1 Qa3+ 24. Bb2 Qa5 25. Re8 Qc7 26. Qf5 1-0

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.24"]
[Round "8"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Mariano, Marceley Martins"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2264"]
[BlackElo "2037"]
[PlyCount "67"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 Qc7 8. Qd2 b5 9. g4 Bb7 10. 0-0-0 Nc6 11. Kb1 Ne5 12. g5 Nfd7 13. Qf2 Nc5 14. a3 Be7 15. Rg1 Nc4 16. Bxc4 bxc4 17. h4 Bc8 18. Qe2 Nb7 19. f4 Na5 20. f5 Rb8 21. Ka2 Nc6 22. Nxc6 Qxc6 23. Bd4 Rg8 24. Qh5 Qb7 25. Rb1 exf5 26. Qxh7 Kf8 27. exf5 Bd8 28. Rge1 Qd7 29. Bxg7+ Rxg7 30. Qh8+ Rg8 31. Qh6+ Rg7 32. f6 Bxf6 33. gxf6 Qg4 34. fxg7+ 1-0

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.24"]
[Round "9"]
[White "Perdomo, Leandro Daniel"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2382"]
[BlackElo "2264"]
[PlyCount "45"]
[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. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 c6 7. Qb3 Qc7 8. e3 Nbd7 9. Bd3 h6 10. Bh4 0-0 11. 0-0 Re8 12. a3 Ba5 13. Qc2 Qb8 14. b4 Bd8 15. Na4 a6 16. Nc5 Be7 17. Rab1 a5 18. Rfc1 axb4 19. axb4 Bxc5 20. bxc5 Ne4 21. Bxe4 Rxe4 22. Bg3 Re6 23. Nd2 1-0

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.23"]
[Round "7"]
[White "De Oliveira, Maicon Almeida"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1963"]
[BlackElo "2264"]
[PlyCount "54"]
[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 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. h3 Ne5 11. Qd2 Nbc6 12. 0-0-0 Nxd4 13. Qxd4 Be6 14. Nd5 Qa5 15. Qb6 Qxb6 16. Nxb6 Rd8 17. a4 Nd7 18. Nxd7 Bxd7 19. a5 Rc8 20. f3 h5 21. Bf2 Be5 22. Kb1 Rg8 23. Be3 Bc6 24. Bd3 Bg3 25. Rd2 e6 26. c4 Ke7 27. b4 Be5 1/2-1/2

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.23"]
[Round "6"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Rodi, Luis Ernesto"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2264"]
[BlackElo "2359"]
[PlyCount "60"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 dxc4 7. Bxc4 h6 8. Bxf6 exf6 9. d5 Ne5 10. Qe2 g5 11. g3 Be7 12. Bb5+ Kf8 13. f4 Bg4 14. Qe4 Nd7 15. f5 h5 16. h3 Nc5 17. Qc2 a6 18. Bd3 Qc7 19. Kf2 h4 20. Nge2 hxg3+ 21. Kg2 Bxe2 22. Bxe2 Bd6 23. Bf3 Re8 24. Rae1 Rxe1 25. Rxe1 Qb6 26. Re2 Qb4 27. a3 Qf4 28. Bg4 Qc4 29. b4 Nd3 30. Ne4 Ne1+ 0-1

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.22"]
[Round "5"]
[White "Nery Junior, Jose Antonio"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1984"]
[BlackElo "2264"]
[PlyCount "90"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Bb7 9. g4 Nfd7 10. h4 Nb6 11. 0-0-0 N8d7 12. Qf2 Rc8 13. Kb1 Be7 14. g5 Rxc3 15. bxc3 Na4 16. Bd2 d5 17. Bd3 Qc7 18. Ne2 Ndc5 19. Qe3 dxe4 20. Bxe4 Nxe4 21. fxe4 0-0 22. Bc1 Rc8 23. Rd3 b4 24. Rhd1 Nc5 25. Rd4 a5 26. cxb4 Nxe4 27. Qb3 Bd5 28. Bf4 Bd6 29. Bxd6 Nxd6 30. Qb2 Nc4 31. Qc3 axb4 32. Rxc4 Bxc4 33. Qd2 Qa5 34. Nc1 Ra8 35. Qd4 Bxa2+ 36. Nxa2 Qxa2+ 37. Kc1 Qa1+ 38. Qxa1 Rxa1+ 39. Kd2 Rxd1+ 40. Kxd1 f5 41. gxf6 gxf6 42. Ke2 f5 43. Kd3 f4 44. Kc4 f3 45. Kd3 e5 0-1

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.22"]
[Round "4"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Dias, Joao Batista de Sou"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2264"]
[BlackElo "2026"]
[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 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 f5 17. Qf1 Qh5 18. f4 Kh8 19. Nd2 g5 20. Bxd5 cxd5 21. fxg5 f4 22. Bxf4 h6 23. Qg2 Bxf4 24. gxf4 Rxf4 25. Qxd5 Raf8 26. Rf1 R4f5 27. Rxf5 Bxf5 28. Qe5+ Kh7 29. Kh1 Bc8 30. Rg1 hxg5 31. Rxg5 Bb7+ 32. d5 1-0

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.21"]
[Round "3"]
[White "Di Berardino, Diego Rafael"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "E55"]
[WhiteElo "2480"]
[BlackElo "2264"]
[PlyCount "163"]
[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. e3 0-0 5. Bd3 d5 6. Nf3 c5 7. 0-0 cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Qe2 Bb7 11. Rd1 Nbd7 12. Bg5 Bxc3 13. bxc3 Qc7 14. Rac1 Ne4 15. Be3 e5 16. Bb3 exd4 17. cxd4 Qd6 18. Qb5 Rac8 19. Rxc8 Bxc8 20. Rc1 Bb7 21. Ne5 Nxe5 22. dxe5 Qe7 23. f3 Nc5 24. Bxc5 Qxe5 25. Qb4 bxc5 26. Qxc5 Qxc5+ 27. Rxc5 Rc8 28. Rb5 Bc6 29. Ra5 Rc7 30. Rc5 Rc8 31. Ra5 Rc7 32. Rc5 Rc8 33. Ra5 Rc7 34. Rc5 Rc8 35. h4 Kf8 36. Kf2 Ke7 37. g4 Bd7 38. Ra5 Rc7 39. g5 Be6 40. Bxe6 Kxe6 41. Kg3 f6 42. Kg4 fxg5 43. hxg5 Rf7 44. f4 g6 45. Kf3 Kd6 46. Ke4 Re7+ 47. Kd4 Kc6 48. Rc5+ Kb6 49. Re5 Rd7+ 50. Rd5 Re7 51. Re5 Rd7+ 52. Ke3 Rc7 53. Kf3 a5 54. a4 Rc4 55. Re7 Rc7 56. Rxc7 Kxc7 57. Ke4 Kc6 58. Ke5 Kc5 59. Kf6 Kb4 60. Kg7 Kxa4 61. Kxh7 Kb5 62. f5 a4 63. fxg6 a3 64. g7 a2 65. g8Q a1Q 66. Qd5+ Kb6 67. g6 Qb1 68. Kg7 Qc2 69. Kf6 Qc3+ 70. Kf7 Qc7+ 71. Ke6 Qc8+ 72. Ke7 Qc3 73. Kf7 Qc7+ 74. Kf6 Qc3+ 75. Qe5 Qf3+ 76. Ke6 Qb3+ 77. Ke7 Kb7 78. g7 Qb4+ 79. Kf7 Qc4+ 80. Qe6 Qf4+ 81. Ke7 Qb4+ 82. Ke8 1-0

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.21"]
[Round "2"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Rigonati, Eduardo Santana"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2264"]
[BlackElo "1748"]
[PlyCount "57"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. Nc3 Bg4 6. h3 Bd7 7. Bf4 e6 8. Bd3 d5 9. Qe2 a6 10. 0-0 c5 11. dxc5 Bxc5 12. a4 Nc6 13. Rfd1 Nb4 14. a5 Nxd3 15. Rxd3 Nc4 16. Nxd5 Nxb2 17. Rb3 exd5 18. Rxb2 Ra7 19. Rab1 Qc8 20. Qd3 Be6 21. Ng5 g6 22. Nxe6 fxe6 23. Bh6 Qc7 24. Qf3 Qe7 25. c4 Bd4 26. Rd2 Bxe5 27. cxd5 Bd6 28. dxe6 Qd8 29. Qf7# 1-0

[Event "Sao Paulo Braga op"]
[Site "Sao Paulo"]
[Date "2011.04.20"]
[Round "1"]
[White "De Sousa, Matheus Mazim"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "E34"]
[WhiteElo "1797"]
[BlackElo "2264"]
[PlyCount "60"]
[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. Qc2 d5 5. c5 Nc6 6. Nf3 b6 7. cxb6 cxb6 8. Bg5 0-0 9. e3 Bb7 10. Be2 h6 11. Bh4 Rc8 12. 0-0 Na5 13. Nd2 Qe7 14. Rac1 Rc6 15. Qb1 Rfc8 16. Bb5 Bxc3 17. Bxc6 Bxd2 18. Bxf6 gxf6 19. Rc2 Ba6 20. Bb5 Rxc2 21. Qxc2 Bxb5 22. Rd1 Bb4 23. b3 Kg7 24. h3 Bd6 25. a4 Bd7 26. Rb1 e5 27. Qd2 Bf5 28. Rb2 Ba3 29. Ra2 Bb1 30. Ra1 Nxb3 0-1

[Event "BRA-ch U26"]
[Site "Blumenau"]
[Date "2010.11.14"]
[Round "7"]
[White "Alves, Sergio Carlos"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "2264"]
[PlyCount "48"]
[EventDate "2010.11.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. d4 c5 4. c3 Nc6 5. Bg2 Bf5 6. 0-0 e6 7. Nbd2 h6 8. Re1 Be7 9. Qb3 Qc7 10. Qa4 0-0 11. c4 cxd4 12. cxd5 Nxd5 13. a3 e5 14. Nxd4 Nxd4 15. e4 Nb6 16. Qa5 Nc2 17. exf5 Nxe1 18. Bh1 Nc2 19. Rb1 Nd4 20. Be4 Ne2+ 21. Kf1 Nxc1 22. b4 Rfd8 23. Rb2 Rxd2 24. Rxd2 Qc4+ 0-1

[Event "BRA-ch U26"]
[Site "Blumenau"]
[Date "2010.11.14"]
[Round "6"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Rabello, Felipe Botelho"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2264"]
[PlyCount "97"]
[EventDate "2010.11.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Be7 9. f3 0-0 10. 0-0-0 Nbd7 11. g4 Nb6 12. g5 Nfd7 13. Rg1 a5 14. Kb1 a4 15. Nc1 Nc4 16. Bxc4 Bxc4 17. a3 b5 18. N1a2 Nc5 19. Nb4 Qc8 20. Ncd5 Bd8 21. Nf6+ Kh8 22. Qxd6 Ne6 23. Nfd5 Be2 24. Rd2 Bxf3 25. Qxe5 Qc4 26. Nc3 f6 27. Qxb5 Qxb5 28. Nxb5 Bxe4 29. Nd6 Bg6 30. gxf6 Bxf6 31. Nd5 Be5 32. Nc4 Bf4 33. Nxf4 Nxf4 34. Rg4 Ne6 35. Nb6 Rf1+ 36. Ka2 Rb8 37. Rxa4 Bf7 38. b3 Nc7 39. Bf4 Rxb6 40. Bxc7 Re6 41. Ra8+ Be8 42. a4 Ree1 43. Rdd8 Rf8 44. a5 h5 45. a6 Re2 46. Kb2 Kh7 47. Bd6 Rf6 48. Rxe8 Rxe8 49. Rxe8 1-0

[Event "BRA-ch U26"]
[Site "Blumenau"]
[Date "2010.11.13"]
[Round "4"]
[White "Macedo, Maximo Iack Miranda"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2331"]
[BlackElo "2264"]
[PlyCount "61"]
[EventDate "2010.11.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. c3 d5 6. Nbd2 Bd6 7. Bg3 Bxg3 8. hxg3 Qd6 9. Bd3 b6 10. Qe2 Bb7 11. a3 h6 12. 0-0 0-0 13. dxc5 bxc5 14. e4 Ne5 15. Nxe5 Qxe5 16. f4 Qh5 17. Qxh5 Nxh5 18. Kf2 Nf6 19. e5 Ng4+ 20. Kg1 a5 21. Rfe1 Rfb8 22. Nf1 Ba6 23. Be2 Bxe2 24. Rxe2 Rb3 25. Rd1 Rab8 26. Rdd2 Kf8 27. Nh2 Nxh2 28. Kxh2 Ke7 29. g4 Ra8 30. Rd3 d4 31. Red2 1-0

[Event "BRA-ch U26"]
[Site "Blumenau"]
[Date "2010.11.13"]
[Round "5"]
[White "Oliveira, Jefferson dos Santo"]
[Black "De Sousa, Clovis Ely Melo"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2264"]
[PlyCount "45"]
[EventDate "2010.11.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Nf6 7. f3 a6 8. g4 d6 9. Qd2 Ne5 10. 0-0-0 b5 11. h4 b4 12. Nb1 Rb8 13. b3 Qa5 14. a4 Bb7 15. Bg2 d5 16. g5 Nfd7 17. f4 Ng4 18. exd5 Bc5 19. dxe6 fxe6 20. Bg1 Bxg2 21. Qxg2 Bxd4 22. Qxg4 e5 23. fxe5 1-0

[Event "BRA-ch U26"]
[Site "Blumenau"]
[Date "2010.11.12"]
[Round "2"]
[White "Filimberti Uczai, Joao Pedro"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2043"]
[BlackElo "2264"]
[PlyCount "67"]
[EventDate "2010.11.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a4 Be6 10. f4 Qc7 11. Kh1 Rd8 12. f5 Bc4 13. Bg5 Nbd7 14. Qe1 Rac8 15. Rd1 h6 16. Bh4 Re8 17. Rf3 Bxe2 18. Qxe2 Qc4 19. Qxc4 Rxc4 20. Nd2 Rc7 21. Nf1 Rc4 22. Nd2 Rc6 23. h3 b5 24. axb5 axb5 25. Rc1 Nxe4 26. Ndxe4 Bxh4 27. g3 Be7 28. Nd5 Bf8 29. Rc3 Rc4 30. Re1 Rd4 31. Nc7 Rb8 32. Rb3 Rc4 33. Rc3 Rb7 34. Nd5 1-0

[Event "BRA-ch U26"]
[Site "Blumenau"]
[Date "2010.11.12"]
[Round "3"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Gomes, Jordan Rodrigues"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2264"]
[PlyCount "53"]
[EventDate "2010.11.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Nf6 16. Qf3 Bf5 17. Nd2 Rac8 18. Bg5 Bb8 19. Bxf6 gxf6 20. Re7 Kg7 21. Ne4 h5 22. Re1 Rce8 23. Rxe8 Rxe8 24. Re3 h4 25. Nd6 Bxd6 26. Rxe8 hxg3 27. hxg3 1-0

[Event "BRA-ch U26"]
[Site "Blumenau"]
[Date "2010.11.11"]
[Round "1"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Da Rocha, Fabio"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2264"]
[PlyCount "35"]
[EventDate "2010.11.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 c6 6. Qd2 Nbd7 7. 0-0-0 0-0 8. Bh6 b5 9. h4 Qa5 10. Kb1 b4 11. Nce2 e5 12. h5 c5 13. dxe5 dxe5 14. Nc1 Ba6 15. hxg6 fxg6 16. Bxg7 Kxg7 17. Qh6+ Kg8 18. Rxd7 1-0

[Event "Sao Paulo Tabuleiro Cultural 2nd"]
[Site "Sao Paulo"]
[Date "2009.12.18"]
[Round "1"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Terao, Rodrigo Akira"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "2278"]
[BlackElo "2264"]
[PlyCount "52"]
[EventDate "2009.12.07"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 e5 4. cxd5 Nxd4 5. e3 Nf5 6. Nf3 Bd6 7. e4 Nfe7 8. Bg5 h6 9. Bh4 a6 10. Be2 Bd7 11. Qd2 Qb8 12. Bg3 Ng6 13. h4 h5 14. 0-0 Qd8 15. Nd1 Nf6 16. Ng5 Nh7 17. Bxh5 Nxg5 18. Bxg6 Nh3+ 19. gxh3 fxg6 20. Kh2 Qf6 21. f3 0-0-0 22. Ne3 Bb5 23. Ng4 Qe7 24. Rfc1 Rdf8 25. Kg2 Rxh4 26. Qe3 Kb8 1/2-1/2

[Event "Sao Paulo Tabuleiro Cultural 2nd"]
[Site "Sao Paulo"]
[Date "2009.12.17"]
[Round "9"]
[White "Abdalla, Luiz Guilherme"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "2166"]
[BlackElo "2278"]
[PlyCount "56"]
[EventDate "2009.12.07"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 0-0 7. e4 Ne8 8. f4 Nc6 9. Nf3 b6 10. Bd3 Ba6 11. Be3 Qe7 12. 0-0 Na5 13. Qe2 Rc8 14. Nd2 f5 15. e5 d6 16. Rfe1 dxe5 17. fxe5 Qd7 18. g4 g6 19. Bh6 Ng7 20. d5 Bb7 21. gxf5 gxf5 22. Qg2 Rf7 23. Nf3 Kh8 24. Kf2 Rg8 25. Rg1 Qe8 26. d6 Rd7 27. Qh3 Be4 28. Be2 Nc6 1-0

[Event "Sao Paulo Tabuleiro Cultural 2nd"]
[Site "Sao Paulo"]
[Date "2009.12.16"]
[Round "8"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Gomez, Gustavo Pizzocaro"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2278"]
[BlackElo "2155"]
[PlyCount "51"]
[EventDate "2009.12.07"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Qc2 Bxd2+ 6. Nbxd2 Nc6 7. g3 0-0 8. Bg2 d6 9. 0-0 e5 10. d5 Nb8 11. Nh4 g6 12. b4 c6 13. e4 Nbd7 14. Nb3 c5 15. bxc5 Nxc5 16. Nxc5 dxc5 17. Rad1 Ne8 18. f4 exf4 19. Rxf4 Nd6 20. Rf2 Bg4 21. Re1 Qe5 22. Qd3 g5 23. Bf3 Bh3 24. Bg2 Bg4 25. Bf3 Bh3 26. Bg2 1/2-1/2

[Event "Sao Paulo Tabuleiro Cultural 2nd"]
[Site "Sao Paulo"]
[Date "2009.12.14"]
[Round "6"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Pires, Marcos Vinicius Tor"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2278"]
[BlackElo "2113"]
[PlyCount "107"]
[EventDate "2009.12.07"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Nf3 b6 9. Be3 Ba6 10. Bxa6 Nxa6 11. 0-0 Ne7 12. Qb1 c4 13. Qd1 0-0 14. Bg5 Qd7 15. Re1 Nc7 16. h3 Ne8 17. Qd2 f5 18. exf6 gxf6 19. Bh6 Rf7 20. g4 Nd6 21. Qe3 Ne4 22. Nh4 Qd6 23. f3 Qg3+ 24. Ng2 Ng5 25. Bxg5 fxg5 26. Qxg5+ Rg7 27. Qe5 Qxh3 28. Qxe6+ Kh8 29. Re3 Ng6 30. f4 Qxg2+ 31. Kxg2 Nxf4+ 32. Kf3 Nxe6 33. Rxe6 Rf8+ 34. Kg3 Rfg8 35. Kf4 Rxg4+ 36. Ke5 Rd8 37. Rf1 Re4+ 38. Kf5 Rf8+ 39. Rf6 Ree8 40. Rg1 Rg8 41. Rxg8+ Kxg8 42. Rd6 Re3 43. Rxd5 Rxc3 44. Rd8+ Kg7 45. Rd7+ Kh6 46. Rxa7 Rxc2 47. d5 Rd2 48. Ke6 Re2+ 49. Kd7 c3 50. Rc7 c2 51. d6 Rg2 52. Rc6 Rg7+ 53. Kc8 Rg6 54. Kc7 1-0

[Event "Sao Paulo Tabuleiro Cultural 2nd"]
[Site "Sao Paulo"]
[Date "2009.12.12"]
[Round "7"]
[White "Viana da Costa, Fernando"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2284"]
[BlackElo "2278"]
[PlyCount "25"]
[EventDate "2009.12.07"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Na3 Qd8 7. Be3 cxd4 8. Nxd4 Be7 9. Be2 0-0 10. Nc4 Nd5 11. Bc1 Bf6 12. 0-0 a6 13. a4 1/2-1/2

[Event "Sao Paulo Tabuleiro Cultural 2nd"]
[Site "Sao Paulo"]
[Date "2009.12.10"]
[Round "4"]
[White "Cominato Neto, Jose Luis"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2216"]
[BlackElo "2278"]
[PlyCount "45"]
[EventDate "2009.12.07"]
[EventType "tourn"]
[EventRounds "8"]
[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. d3 d6 6. h3 g6 7. 0-0 Bg7 8. Re1 0-0 9. c3 Re8 10. Be3 b5 11. Bc2 d5 12. Nbd2 h6 13. Nb3 a5 14. a4 b4 15. Rc1 bxc3 16. bxc3 dxe4 17. dxe4 Qxd1 18. Rexd1 Bf8 19. Nc5 Bxc5 20. Bxc5 Bd7 21. Rb1 Nd8 22. Be3 Kg7 23. Nd2 1/2-1/2

[Event "Sao Paulo Tabuleiro Cultural 2nd"]
[Site "Sao Paulo"]
[Date "2009.12.09"]
[Round "3"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Terao, Juliana Sayumi"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2278"]
[BlackElo "2168"]
[PlyCount "159"]
[EventDate "2009.12.07"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bc5 7. Nb3 Be7 8. Qe2 d6 9. 0-0 Nf6 10. f4 Nc6 11. Bd2 Qc7 12. Rae1 h5 13. Kh1 Bb7 14. a4 b4 15. Na2 h4 16. Nxb4 Nxb4 17. Bxb4 h3 18. Bc3 hxg2+ 19. Qxg2 d5 20. Bxf6 gxf6 21. exd5 Bxd5 22. Be4 Bxe4 23. Qxe4 Rc8 24. Re2 f5 25. Qf3 Qc4 26. Nc1 Qxa4 27. b3 Qc6 28. Qxc6+ Rxc6 29. Rf3 Bd6 30. c4 Rb6 31. Rc2 Bc5 32. Ne2 Ke7 33. Nc3 Rd6 34. Kg2 Rd4 35. Ra2 Rg8+ 36. Kf1 Rd6 37. Rg2 Rh8 38. Re2 Kf6 39. Kg2 Rd4 40. Ra2 Rg8+ 41. Rg3 Ra8 42. Ne2 Re4 43. Rd2 Bb4 44. Ra2 Bc5 45. Rd3 Rg8+ 46. Kf3 Rh8 47. Ng3 Re1 48. Rg2 Rh3 49. Rc3 Rf1+ 50. Ke2 Rxf4 51. Rd3 Rh8 52. Kd2 Rfh4 53. Nf1 Rf4 54. Ne3 Rd4 55. Rxd4 Bxd4 56. Nc2 Be5 57. Nb4 Bxh2 58. Nxa6 Be5 59. b4 Ra8 60. b5 Bd4 61. Kd3 e5 62. c5 Rd8 63. Kc4 e4 64. b6 e3 65. b7 Be5 66. c6 f4 67. c7 Bxc7 68. Nxc7 Rb8 69. Rb2 e2 70. Nd5+ Kg5 71. Rxe2 Rxb7 72. Rg2+ Kf5 73. Rf2 Ke5 74. Nxf4 f5 75. Nd3+ Kf6 76. Kd4 Rd7+ 77. Ke3 Re7+ 78. Kf3 Rc7 79. Ra2 Rc4 80. Ra6+ 1/2-1/2

[Event "Sao Paulo Tabuleiro Cultural 2nd"]
[Site "Sao Paulo"]
[Date "2009.12.08"]
[Round "2"]
[White "Van Riemsdijk, Dirk Dagobert"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2205"]
[BlackElo "2278"]
[PlyCount "81"]
[EventDate "2009.12.07"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. cxd4 Bf5 10. Nc3 e6 11. 0-0 Be7 12. Be3 Rd8 13. Qe2 0-0 14. Rad1 Bg4 15. h3 Bh5 16. Ne4 Qb8 17. Ng3 Bg6 18. h4 h6 19. h5 Bh7 20. Bc1 Bf6 21. Be3 Rd7 22. Ne5 Nxe5 23. Bf4 Rfd8 24. dxe5 Bd3 25. Qg4 Bxe5 26. Bxh6 Kh8 27. Bg5 f6 28. Bxe6 Rd4 29. f4 Bxf1 30. h6 g6 31. Rxf1 Rf8 32. Bh4 Qe8 33. Bf5 Rg8 34. fxe5 Rxg4 35. Bxf6+ Kh7 36. Bxg4 Nc4 37. Ne4 Kxh6 38. Bg5+ Kg7 39. e6 Rf8 40. Rd1 Nb6 41. e7 1-0

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.07.28"]
[Round "5"]
[White "Bittencourt, Jorge Humberto M"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2471"]
[BlackElo "2274"]
[PlyCount "127"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Bb7 9. g4 Nfd7 10. 0-0-0 Nb6 11. Qf2 N8d7 12. Bd3 Rc8 13. Nce2 Qc7 14. Kb1 Be7 15. g5 Nc5 16. Ng3 d5 17. e5 Nc4 18. Bxc4 dxc4 19. Nh5 0-0 20. Nf6+ Bxf6 21. gxf6 Qxe5 22. fxg7 Rfd8 23. Rhe1 Rd5 24. Ne2 Nd7 25. f4 Qh5 26. Rxd5 Bxd5 27. Ng3 Qf3 28. Qd2 Nf6 29. Bd4 Ne4 30. Nxe4 Bxe4 31. Be5 Bc6 32. Rd1 Qd5 33. Qe2 Qc5 34. a3 Qe7 35. Qf2 Bd5 36. Qb6 Qc5 37. Qxc5 Rxc5 38. Kc1 Rc8 39. Kd2 Bf3 40. Rf1 Be4 41. Kc3 a5 42. Rd1 b4+ 43. axb4 axb4+ 44. Kxb4 Bxc2 45. Rd4 Bd3 46. Kc3 Be2 47. Re4 Bf1 48. Re1 Bg2 49. Ra1 h6 50. Ra7 Bd5 51. Kd4 h5 52. Ra3 Kh7 53. Rh3 Kh6 54. Rg3 Rg8 55. Rg5 f5 56. h3 h4 57. Bf6 Bf3 58. Kxc4 Be2+ 59. Kd4 Bf1 60. Rg1 Bxh3 61. Rh1 Kg6 62. Be5 Bg4 63. Rxh4 Kf7 64. Rh8 1-0

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.07.27"]
[Round "4"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Terao, Juliana Sayumi"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2274"]
[BlackElo "2168"]
[PlyCount "43"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bc5 7. Nb3 Bb6 8. Qe2 d6 9. Bf4 e5 10. Bg3 Nc6 11. a4 b4 12. Nd5 Ba7 13. a5 Nge7 14. Bh4 Bc5 15. Bc4 Be6 16. Nxc5 dxc5 17. Nxe7 Nxe7 18. Bxe6 fxe6 19. Qh5+ Kf8 20. Qxe5 Qd4 21. Qxe6 Re8 22. Rd1 1-0

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.07.26"]
[Round "3"]
[White "Cajal, Andre"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2092"]
[BlackElo "2274"]
[PlyCount "68"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be6 8. Be2 Be7 9. Be3 0-0 10. Nd5 Nbd7 11. f3 Bxd5 12. exd5 Nh5 13. Qd2 f5 14. 0-0 f4 15. Bf2 Bh4 16. Qe1 Bxf2+ 17. Qxf2 Qg5 18. Nd2 Ng3 19. Ne4 Nxe4 20. fxe4 Rac8 21. c3 Qg6 22. Qf3 Nf6 23. Bd3 Ng4 24. Qh3 Rc7 25. Kh1 Rf6 26. Qf3 Qg5 27. Be2 Ne3 28. Rf2 Rh6 29. Kg1 Rf7 30. g4 Rh4 31. h3 h5 32. Rh2 Rf6 33. Kh1 hxg4 34. hxg4 Rfh6 0-1

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.07.26"]
[Round "2"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Ivanov, Alexander"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2274"]
[BlackElo "2527"]
[PlyCount "102"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 Qb6 5. Rb1 d6 6. Nf3 Qc7 7. Be2 Nd7 8. Qd2 e5 9. 0-0 Ngf6 10. Bh6 0-0 11. Bxg7 Kxg7 12. Rfe1 Re8 13. a4 a5 14. Bc4 h6 15. Rbd1 Nb6 16. Bb3 Bg4 17. Re3 Re7 18. h3 Bd7 19. Nh4 c5 20. dxc5 dxc5 21. Nd5 Nfxd5 22. exd5 Qd6 23. c4 e4 24. Rde1 Rae8 25. g4 Bxa4 26. Bxa4 Nxa4 27. b3 Nb6 28. Qxa5 Nd7 29. Qc3+ Kh7 30. Kg2 b5 31. f3 Nf6 32. fxe4 Nxe4 33. Qd3 bxc4 34. bxc4 Qf4 35. Rf1 Qe5 36. Nf3 Qg3+ 37. Kh1 Nf2+ 38. Rxf2 Rxe3 39. Qf1 Kg8 40. Qg2 Qxg2+ 41. Kxg2 Re2 42. Kf1 Rxf2+ 43. Kxf2 Re4 44. Nd2 Rd4 45. Ke3 f5 46. gxf5 gxf5 47. Nb3 f4+ 48. Ke2 f3+ 49. Kxf3 Rd3+ 50. Ke4 Rxb3 51. d6 Kf7 0-1

[Event "Parana-ch"]
[Site "Paranavai"]
[Date "2009.01.28"]
[Round "2"]
[White "Osipi, Jair"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "D75"]
[WhiteElo "2282"]
[BlackElo "2274"]
[PlyCount "57"]
[EventDate "2009.01.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. c4 d5 6. cxd5 Nxd5 7. 0-0 c5 8. Nc3 cxd4 9. Nxd4 Nxc3 10. bxc3 a6 11. Qb3 Qc7 12. Ba3 Re8 13. Rfd1 e5 14. Nc2 Nc6 15. Bd6 Qa5 16. Bd5 Be6 17. Bxe6 fxe6 18. Qxb7 Qxc3 19. Rac1 Na5 20. Qb1 Qc4 21. Ne3 Qa4 22. Rc7 Rac8 23. Rdc1 Rxc7 24. Rxc7 Rd8 25. Qb6 Rd7 26. Qb8+ Kf7 27. Qc8 Rxc7 28. Qxc7+ Kg8 29. Qd8+ 1-0

[Event "Paulista-ch final"]
[Site "Santos"]
[Date "2008.06.29"]
[Round "6"]
[White "Gonzalez Bolivar, Ribeiro"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "2252"]
[BlackElo "2276"]
[PlyCount "89"]
[EventDate "2008.06.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bxf6 Nxf6 11. a3 Rb8 12. g4 b4 13. axb4 Rxb4 14. g5 Nd7 15. h4 Be7 16. h5 Qb6 17. Qd3 Nc5 18. Qf3 Rxb2 19. Nc6 Bb7 20. Nxe7 Kxe7 21. f5 exf5 22. Bc4 Bxe4 23. Nd5+ Kd8 24. Nxb6 Rxc2+ 25. Kb1 Rxc4+ 26. Ka1 Bxf3 27. Nxc4 Bxh1 28. Rxh1 Kc7 29. Re1 Ne4 30. Rc1 g6 31. Ne5+ Nc5 32. Nxf7 Rf8 33. Nh6 Kc6 34. Re1 Ne4 35. Rc1+ Kd7 36. Rb1 Ke6 37. Re1 Ke5 38. Kb2 Kf4 39. Rg1 d5 40. Kc2 Nxg5 41. Kd3 Rh8 42. Rh1 Nf3 43. Ke2 g5 44. Rh3 Nh4 45. Kd3 0-1

[Event "Paulista-ch final"]
[Site "Santos"]
[Date "2008.06.28"]
[Round "4"]
[White "Name, Gabriel Ricardo"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "2243"]
[BlackElo "2276"]
[PlyCount "74"]
[EventDate "2008.06.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Be7 7. b4 b6 8. Nf3 c5 9. bxc5 bxc5 10. cxd5 exd5 11. Ne5 cxd4 12. exd4 Be6 13. 0-0 Qc7 14. Nb5 Qb6 15. Bg5 Rc8 16. Rb1 Qd8 17. Rb3 Nc6 18. Rc3 Qb6 19. Qc2 Na5 20. Nc7 Rab8 21. Bxh7+ Nxh7 22. Bxe7 Qxd4 23. Nf3 Qe4 24. Qxe4 dxe4 25. Nd4 Bc4 26. Bb4 Bxf1 27. Bxa5 Rb1 28. h4 Nf6 29. Kh2 Rb2 30. Nf5 Rd8 31. Rg3 Nh5 32. Rg5 g6 33. Nh6+ Kh7 34. Nxf7 Rf8 35. g4 Nf4 36. Ne5 Rxf2+ 37. Kg1 Ne2+ 0-1

[Event "Paulista-ch final"]
[Site "Santos"]
[Date "2008.06.28"]
[Round "5"]
[White "Oliveira, Jefferson dos Santo"]
[Black "De Souza, Mauro Guimaraes"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "2276"]
[BlackElo "2317"]
[PlyCount "65"]
[EventDate "2008.06.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 a6 8. a4 Bg4 9. Qb3 Bxf3 10. Qxb7 Nbd7 11. gxf3 Bg7 12. Be2 0-0 13. 0-0 Qe7 14. Qb3 Nh5 15. f4 Bxc3 16. Qxc3 Qxe4 17. Bxh5 gxh5 18. Qh3 Kh8 19. f3 Qe2 20. Ra3 Rae8 21. b4 cxb4 22. Rb3 a5 23. Rb2 Qc4 24. Rbf2 Re7 25. Qxh5 f6 26. Qf5 Re2 27. Qb1 Rxf2 28. Rxf2 Qxd5 29. Bb2 Re8 30. h3 Qe6 31. Kh2 Qe3 32. Qc2 Qxf4+ 33. Kh1 0-1

[Event "Paulista-ch final"]
[Site "Santos"]
[Date "2008.06.28"]
[Round "7"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Stamenkovic, Dragan"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "2276"]
[BlackElo "2440"]
[PlyCount "88"]
[EventDate "2008.06.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. h3 Bd7 11. f4 Nxd4 12. Bxd4 Bc6 13. Qd3 Rad8 14. Rae1 e5 15. Be3 d5 16. fxe5 dxe4 17. Qc4 Qxe5 18. Bxa7 Rd7 19. Qc5 Qg3 20. Qf2 Qe5 21. Ne2 Re8 22. c3 e3 23. Qg3 Rd2 24. Qxe5 Rxe5 25. g4 Re8 26. Bd4 Nd5 27. Rf3 Bxd4 28. Nxd4 Rxb2 29. Nxc6 bxc6 30. c4 Nb4 31. Rfxe3 Rxe3 32. Rxe3 Nxa2 33. c5 Nc1 34. Bc4 Rc2 35. Re4 Kg7 36. g5 h6 37. gxh6+ Kxh6 38. Kf1 Rc3 39. Ke1 f5 40. Rh4+ Kg5 41. Rd4 Rxh3 42. Bf7 Nd3+ 43. Ke2 Ne5 44. Be6 Rc3 0-1

[Event "Paulista-ch final"]
[Site "Santos"]
[Date "2008.06.27"]
[Round "3"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Barbosa, Fernando"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2276"]
[BlackElo "2028"]
[PlyCount "201"]
[EventDate "2008.06.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 d5 7. Bg5 Be7 8. Qd2 Be6 9. 0-0-0 Nc6 10. Kb1 Ne4 11. Nxe4 dxe4 12. Bxe7 Qxe7 13. Ng5 0-0-0 14. Nxe6 Qxe6 15. d5 Qe5 16. c4 Rhe8 17. Be2 Ne7 18. f4 Qf6 19. Qe3 Kb8 20. g4 c6 21. d6 Rxd6 22. Rxd6 Qxd6 23. Qxe4 Qe6 24. Qxe6 fxe6 25. Bd3 Rf8 26. Re1 Rxf4 27. Rxe6 Nc8 28. Re8 g6 29. Be2 Kc7 30. c5 Rf7 31. Bc4 Re7 32. Rh8 b6 33. Ba6 Re1+ 34. Kc2 Ne7 35. cxb6+ Kxb6 36. Bd3 Nd5 37. Rxh7 Rg1 38. Bxg6 Rxg4 39. Bf7 Nf6 40. Rh6 Rg2+ 41. Kb3 Rf2 42. h4 Kc5 43. Ka4 Nd5 44. Be8 Rxb2 45. Rxc6+ Kd4 46. Ka3 Rb8 47. Bf7 Nf4 48. h5 Rf8 49. Rc7 Rh8 50. Rxa7 Nxh5 51. Ra4+ Kd3 52. Rh4 Ra8+ 53. Kb4 Nf6 54. a4 Nd7 55. Bc4+ Ke3 56. a5 Nb8 57. Kb5 Nc6 58. Kxc6 Rxa5 59. Bd5 Ra1 60. Kd6 Rg1 61. Rh3+ Kd4 62. Ra3 Rg6+ 63. Be6 Rg1 64. Ra4+ Ke3 65. Ke5 Re1 66. Bf5 Kf3+ 67. Be4+ Kg4 68. Ra2 Re3 69. Ra8 Rg3 70. Rf8 Kg5 71. Bf3 Kh6 72. Kf4 Kg7 73. Ra8 Rg6 74. Be4 Rf6+ 75. Kg5 Rf7 76. Ra1 Re7 77. Bf5 Kf8 78. Bg6 Rc7 79. Re1 Kg7 80. Bf5 Kf8 81. Bg6 Kg7 82. Rh1 Kf8 83. Bf5 Ke7 84. Rh6 Kd8 85. Kf4 Re7 86. Be6 Kc7 87. Ke5 Kb6 88. Kd6 Rc7 89. Bd5 Rc3 90. Rh8 Ka5 91. Rb8 Ka4 92. Ke5 Rc5 93. Kd4 Rc7 94. Bc4 Ka5 95. Kd5 Ka4 96. Rb5 Rd7+ 97. Kc5 Rd2 98. Rb1 Ka3 99. Rb3+ Ka4 100. Rh3 Rd8 101. Bb5+ 1-0

[Event "Paulista-ch final"]
[Site "Santos"]
[Date "2008.06.27"]
[Round "2"]
[White "Rossi, Pedro"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2127"]
[BlackElo "2276"]
[PlyCount "129"]
[EventDate "2008.06.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 e5 4. Nc3 Nc6 5. Be2 f5 6. d3 Be7 7. exf5 Bxf5 8. Nd5 Nf6 9. Nxe7 Qxe7 10. 0-0 0-0 11. Bg5 h6 12. Bh4 Kh8 13. h3 g5 14. Bg3 Nh5 15. Bh2 Nf4 16. Bxf4 gxf4 17. Kh2 Rf7 18. Qd2 Rg8 19. Rg1 Rfg7 20. g3 fxg3+ 21. Rxg3 Qf6 22. Rag1 Nd8 23. Rxg7 Rxg7 24. Rxg7 Kxg7 25. Ne1 Ne6 26. Qe3 Nf4 27. Qg3+ Kf8 28. Bg4 Bg6 29. Qf3 Qf7 30. b3 b6 31. Qc6 Qe7 32. Qc8+ Kg7 33. Bf5 Qh4 34. Qd7+ Bf7 35. Kg1 h5 36. Nf3 Qf6 37. h4 Ne2+ 38. Kf1 Nd4 39. Nxd4 exd4 40. Be4 Qxh4 41. Qxd6 Qf6 42. Qg3+ Kh6 43. f4 h4 44. Qh2 Bh5 45. Kf2 Bg4 46. a3 Kh5 47. b4 cxb4 48. axb4 Qd6 49. Bf3 Bxf3 50. Kxf3 Qc6+ 51. Kf2 Qe6 52. Kf1 h3 53. Qg3 Qf5 54. c5 bxc5 55. bxc5 Qxc5 56. Qxh3+ Kg6 57. Qe6+ Kg7 58. f5 Qc1+ 59. Kf2 Qd2+ 60. Kf3 Qxd3+ 61. Kf2 Qd2+ 62. Kf3 Qg5 63. Qe5+ Qf6 64. Qxf6+ Kxf6 65. Ke4 1/2-1/2

[Event "Paulista-ch final"]
[Site "Santos"]
[Date "2008.06.26"]
[Round "1"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Aoyama, Edmundo"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2276"]
[BlackElo "1866"]
[PlyCount "39"]
[EventDate "2008.06.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 0-0 6. Qd2 Nbd7 7. 0-0-0 e5 8. Nge2 c6 9. g4 Qa5 10. Kb1 Rd8 11. Ng3 exd4 12. Bxd4 Ne5 13. Be2 Be6 14. g5 Nfd7 15. f4 Ng4 16. Bxg7 Kxg7 17. h3 Nge5 18. fxe5 Nxe5 19. Qf4 b5 20. Rxd6 1-0

[Event "Santos op"]
[Site "Santos"]
[Date "2008.05.18"]
[Round "6"]
[White "Caporale, Giuseppe Guido"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B88"]
[WhiteElo "1828"]
[BlackElo "2276"]
[PlyCount "58"]
[EventDate "2008.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 Be7 8. Bb3 0-0 9. f4 Nc6 10. Be3 Na5 11. e5 dxe5 12. fxe5 Nd7 13. Nf3 Qc7 14. Bf4 Nc5 15. Qe1 b5 16. Bg5 Bxg5 17. Nxg5 Bb7 18. Qg3 h6 19. Nf3 Naxb3 20. cxb3 Rad8 21. Rac1 Nd3 22. Nd5 Nxc1 23. Nf6+ Kh8 24. Qg4 Bxf3 25. Rxf3 Rd1+ 26. Kf2 Qc5+ 27. Re3 Rd2+ 28. Kf3 Nd3 29. Nd7 Rf2+ 0-1

[Event "Santos op"]
[Site "Santos"]
[Date "2008.05.18"]
[Round "5"]
[White "Oliveira, Jefferson dos Santo"]
[Black "De Mendonca, Mateus Nakajo"]
[Result "0-1"]
[ECO "C43"]
[WhiteElo "2276"]
[PlyCount "106"]
[EventDate "2008.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. 0-0 Bd6 8. c4 c6 9. Nc3 Nxc3 10. bxc3 0-0 11. cxd5 cxd5 12. Qh5 g6 13. Qxd5 Qc7 14. Qc4 Bxh2+ 15. Kh1 Qxc4 16. Bxc4 Bd6 17. Bb3 Rfe8 18. Be3 Re4 19. Kg1 Rae8 20. Bd5 Rh4 21. g3 Rh5 22. Bxb7 Bxg3 23. Bf3 Rh3 24. Kg2 Bd6 25. Rh1 Rxh1 26. Rxh1 Rc8 27. Bd2 Bf5 28. Bd5 Bd3 29. Kf3 h5 30. Ke3 Ba6 31. Bb3 Re8+ 32. Kf3 Be2+ 33. Kg2 Rc8 34. f4 Bd3 35. Kf2 Kg7 36. Rh3 Ba6 37. f5 Rc7 38. Rf3 h4 39. f6+ Kg8 40. Re3 Bb5 41. Re4 h3 42. Rh4 h2 43. c4 Rxc4 44. Bxc4 Bxc4 45. Bb4 Bb8 46. Bc5 Bxa2 47. Ke3 Bd5 48. Bxa7 Bg3 49. Rh3 h1Q 50. Rxh1 Bxh1 51. Bc5 Bd5 52. Kd3 g5 53. Bb4 g4 0-1

[Event "Santos op"]
[Site "Santos"]
[Date "2008.05.17"]
[Round "4"]
[White "Arahjo, Rafael Moreira"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2210"]
[BlackElo "2276"]
[PlyCount "103"]
[EventDate "2008.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nf3 c5 7. 0-0 Nc6 8. a3 cxd4 9. exd4 Be7 10. Re1 b6 11. cxd5 Nxd5 12. Nxd5 Qxd5 13. Be4 Qd6 14. Ne5 Bb7 15. Bf4 Bf6 16. Ng6 Qxd4 17. Nxf8 Kxf8 18. Qf3 Rc8 19. Rac1 Qd7 20. Red1 Bd4 21. Qh3 f5 22. Bxc6 Rxc6 23. Rxc6 Bxc6 24. Be3 e5 25. Bxd4 exd4 26. Qd3 b5 27. Qxd4 Qxd4 28. Rxd4 Ke7 29. f4 a5 30. Kf2 a4 31. g3 Ke6 32. Ke3 Bd5 33. Rd2 Kd6 34. Kd4 Be4 35. Re2 g6 36. Rxe4 fxe4 37. Kxe4 Kc5 38. Kd3 b4 39. g4 bxa3 40. bxa3 Kd5 41. h4 h6 42. Ke3 Ke6 43. Ke4 Kf6 44. h5 gxh5 45. gxh5 Ke6 46. f5+ Kf6 47. Kf4 Ke7 48. Ke5 Kf7 49. f6 Kf8 50. Ke4 Kg8 51. Kf4 Kf8 52. Ke5 1-0

[Event "Santos op"]
[Site "Santos"]
[Date "2008.05.16"]
[Round "3"]
[White "Abdalla, Luiz Guilherme"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2022"]
[BlackElo "2276"]
[PlyCount "60"]
[EventDate "2008.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 0-0 8. Nge2 Re8 9. 0-0 Nbd7 10. Qc2 h6 11. Bh4 Nf8 12. a3 Nh5 13. Bxe7 Qxe7 14. b4 Be6 15. f3 Rad8 16. e4 dxe4 17. fxe4 Qg5 18. e5 Bg4 19. Bc4 Ne6 20. Qe4 Rd7 21. b5 c5 22. b6 a6 23. d5 Nd4 24. Nxd4 Rxe5 25. Rae1 Rxe4 26. Nxe4 Qg6 27. Nxc5 Qxb6 28. Ncb3 Nf6 29. h3 Bh5 30. Re5 Qc7 0-1

[Event "Santos op"]
[Site "Santos"]
[Date "2008.05.16"]
[Round "1"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Cirilo, Guilherme de Araujo"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2276"]
[BlackElo "1800"]
[PlyCount "51"]
[EventDate "2008.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bc4 Nc6 9. 0-0 0-0 10. Re1 Bf6 11. Ne4 Nb6 12. Nxf6+ Qxf6 13. Bg5 Qf5 14. Bd3 Qa5 15. Re4 Nd5 16. Rh4 f5 17. Qe2 h6 18. Bc4 hxg5 19. Nxg5 g6 20. Qf3 Qd8 21. Qg3 Qf6 22. Nh7 Qg7 23. Nxf8 Kxf8 24. Bxd5 exd5 25. Qd6+ Ne7 26. Re1 1-0

[Event "Santos op"]
[Site "Santos"]
[Date "2008.05.16"]
[Round "3"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Terao, Rodrigo Akira"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2276"]
[BlackElo "2162"]
[PlyCount "71"]
[EventDate "2008.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bc5 7. Nb3 Ba7 8. Bf4 d6 9. Qe2 e5 10. Bg3 Nf6 11. 0-0-0 0-0 12. Bh4 Be6 13. Rhg1 Bg4 14. f3 Bxg1 15. fxg4 Ba7 16. Nd5 Nbd7 17. Rf1 h6 18. Rf3 g5 19. Be1 Nxd5 20. exd5 Nf6 21. Nd2 Re8 22. Be4 Rc8 23. h4 Bd4 24. hxg5 hxg5 25. Rf5 Nd7 26. Nf1 Kg7 27. Ng3 Rh8 28. Bd2 f6 29. Rf1 Nf8 30. Qf3 Ng6 31. Bxg5 Nf4 32. Bxf4 exf4 33. Nf5+ Kf7 34. Nxd4 Rc4 35. Nc6 Qa5 36. Qxf4 1-0

[Event "Registro op 2008"]
[Site "Registro"]
[Date "2008.05.04"]
[Round "8"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Mekhitarian, Krikor Sevag"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2276"]
[BlackElo "2466"]
[PlyCount "108"]
[EventDate "2008.04.30"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Nb3 Qc7 8. 0-0 Bb7 9. Qe2 d6 10. f4 Nd7 11. Bd2 Ngf6 12. Rae1 h5 13. a4 b4 14. Na2 a5 15. Kh1 d5 16. e5 Ne4 17. Bxe4 dxe4 18. Nd4 g6 19. c3 b3 20. Nc1 h4 21. Ncxb3 h3 22. Be3 hxg2+ 23. Qxg2 Bd5 24. Nd2 Rb8 25. Nb5 Qb7 26. c4 Bc6 27. Nb3 Qc8 28. Nxa5 Ba8 29. c5 Qd8 30. c6 Qxa5 31. cxd7+ Kxd7 32. Rd1+ Ke8 33. Qc2 Bb4 34. Qc7 Qxc7 35. Nxc7+ Ke7 36. Nxa8 Rxa8 37. Rd4 Bc5 38. Rxe4 Bxe3 39. Rxe3 Rxa4 40. Kg2 Rb4 41. Rf2 Rhb8 42. Ra3 R8b5 43. Ra7+ Kf8 44. Kg3 Kg7 45. Rc2 g5 46. fxg5 Rxe5 47. Rg2 Rxg5+ 48. Kh3 Rxg2 49. Kxg2 Rxb2+ 50. Kg3 Kg6 51. h4 Rb3+ 52. Kg4 f5+ 53. Kf4 Kf6 54. Ra6 Rh3 0-1

[Event "Registro op 2008"]
[Site "Registro"]
[Date "2008.05.03"]
[Round "6"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Feliciano Ebert, Vanessa"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2276"]
[BlackElo "2026"]
[PlyCount "101"]
[EventDate "2008.04.30"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Nbd7 7. Bd3 Bb7 8. Nge2 Qc7 9. g4 Nb6 10. Ng3 b4 11. Nce2 a5 12. c4 e5 13. 0-0 Bg7 14. dxe5 dxe5 15. c5 Nbd7 16. g5 Ng8 17. Bc4 Ne7 18. f4 0-0-0 19. Qc2 exf4 20. Bxf4 Be5 21. Bxf7 Rhf8 22. Be3 Ba6 23. Bc4 Qa7 24. Bxa6+ Qxa6 25. a3 Rxf1+ 26. Rxf1 Rf8 27. Rxf8+ Nxf8 28. axb4 axb4 29. Nc1 Qa1 30. b3 Bd4 31. Bxd4 Qxd4+ 32. Kg2 Ne6 33. Nce2 Qe3 34. h4 Nxc5 35. Qc4 Nd3 36. Qd4 Qxd4 37. Nxd4 c5 38. Nf3 Nc6 39. Ne2 Kd7 40. Nd2 Nce5 41. Kg3 Kc6 42. Nf4 Nc1 43. Nd5 Ne2+ 44. Kf2 Nc3 45. Nf6 Kb5 46. Nxh7 c4 47. Ke3 cxb3 48. Nxb3 Ka4 49. Nc5+ Ka3 50. Nf8 Na4 51. Nfe6 1/2-1/2

[Event "Registro op 2008"]
[Site "Registro"]
[Date "2008.05.03"]
[Round "7"]
[White "Zallio, Luciano de Souza"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "2087"]
[BlackElo "2276"]
[PlyCount "62"]
[EventDate "2008.04.30"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. a4 Be7 8. Qd2 h6 9. Be3 Ng4 10. Bd3 Nxe3 11. Qxe3 0-0 12. 0-0 Nc6 13. Nde2 b6 14. Kh1 Bb7 15. f4 Nb4 16. Rad1 Qc7 17. Rf3 Qc5 18. Qd2 Rfd8 19. Rh3 Rac8 20. Rf1 Nxd3 21. cxd3 d5 22. f5 dxe4 23. fxe6 fxe6 24. d4 Qg5 25. Nf4 Qf6 26. Qe2 Rf8 27. Qg4 g5 28. Nce2 Kh7 29. Rg3 Bd6 30. h4 gxf4 31. Nxf4 Rg8 0-1

[Event "Registro op 2008"]
[Site "Registro"]
[Date "2008.05.02"]
[Round "5"]
[White "Leitao, Rafael Duailibe"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2604"]
[BlackElo "2276"]
[PlyCount "84"]
[EventDate "2008.04.30"]
[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 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 0-0 7. Bd2 a6 8. a3 Bd6 9. c5 Be7 10. Bd3 e5 11. Nxe5 Nxe5 12. dxe5 Nd7 13. Qc2 Nxe5 14. Bxh7+ Kh8 15. Bf5 Bxc5 16. Bxc8 Rxc8 17. Ne2 c6 18. Bc3 Bd6 19. Ng3 Re8 20. Rd1 Kg8 21. h4 Ng4 22. Nf5 Be5 23. h5 Bxc3+ 24. bxc3 Qf6 25. Rd4 Re5 26. Rxg4 Qxf5 27. Qxf5 Rxf5 28. Ke2 c5 29. Rh3 Rc6 30. Rhg3 Rxh5 31. Rxg7+ Kf8 32. R3g5 Rxg5 33. Rxg5 Rd6 34. e4 Re6 35. Rxd5 Rxe4+ 36. Kd3 Ra4 37. Rxc5 Rxa3 38. f4 b5 39. Ke4 Kg7 40. g4 Ra4+ 41. Kf3 b4 42. cxb4 Rxb4 1/2-1/2

[Event "Registro op 2008"]
[Site "Registro"]
[Date "2008.05.02"]
[Round "4"]
[White "Perdomo, Leandro Daniel"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "E55"]
[WhiteElo "2361"]
[BlackElo "2276"]
[PlyCount "61"]
[EventDate "2008.04.30"]
[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 e6 3. Nc3 Bb4 4. e3 d5 5. Bd3 0-0 6. Nf3 c5 7. 0-0 cxd4 8. exd4 dxc4 9. Bxc4 Nbd7 10. Qe2 a6 11. Bg5 b5 12. Bb3 h6 13. Bh4 Nb6 14. Ne4 Be7 15. Nc5 Ra7 16. Rfd1 Nbd5 17. Ne5 Qb6 18. Rac1 Rc7 19. Ned3 Bb7 20. Bg3 Rcc8 21. a3 Ba8 22. Ba2 a5 23. b4 axb4 24. axb4 Rfd8 25. Bb3 Bc6 26. Bh4 Ra8 27. Nxe6 Re8 28. Ne5 Nxb4 29. Nf4 Nfd5 30. Nxc6 Bxh4 31. Qf3 1/2-1/2

[Event "Sao Jose de Rio Preto op"]
[Site "Sao Jose de Rio Preto"]
[Date "2008.03.22"]
[Round "5"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Polachini, Diego"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2280"]
[BlackElo "1971"]
[PlyCount "76"]
[EventDate "2008.03.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h6 8. Nf4 Bh7 9. Be3 Nc6 10. Bb5 cxd4 11. Bxd4 Nge7 12. Bc5 a6 13. Bxc6+ Nxc6 14. Bxf8 Kxf8 15. Nh5 Nxe5 16. Qe2 Qc7 17. Rh3 Rc8 18. Rd1 Nc4 19. b3 Na3 20. Kf1 Nxc2 21. Rf3 Qd6 22. Nf4 Kg8 23. Kg1 Nb4 24. Qd2 Nc6 25. Rg3 Ne7 26. Nh5 Bg6 27. Re1 Bxh5 28. gxh5 Nf5 29. Rg4 Kh7 30. Ne2 Rc7 31. Nd4 Nxd4 32. Qxd4 Rg8 33. Kh1 f6 34. Reg1 e5 35. Qd3+ Kh8 36. Rg6 d4 37. Qg3 Qe6 38. f4 Rc3 0-1

[Event "Sao Jose de Rio Preto op"]
[Site "Sao Jose de Rio Preto"]
[Date "2008.03.22"]
[Round "4"]
[White "Zallio, Luciano de Souza"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2087"]
[BlackElo "2280"]
[PlyCount "79"]
[EventDate "2008.03.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. a3 Nbd7 9. Qd2 Bb7 10. g4 Nb6 11. h4 Rc8 12. 0-0-0 Nfd7 13. f4 d5 14. f5 e5 15. Nf3 d4 16. Nxd4 exd4 17. Bxd4 Nc4 18. Bxc4 Rxc4 19. g5 Qc7 20. Rhe1 b4 21. axb4 Rxb4 22. e5 Bc5 23. Bxc5 Nxc5 24. e6 fxe6 25. fxe6 Qe7 26. Qf2 Rf8 27. Qg3 Nxe6 28. Rxe6 Qxe6 29. Re1 Be4 30. Nxe4 Rxe4 31. Qb8+ Kf7 32. Qb7+ Kg6 33. Qxe4+ Qxe4 34. Rxe4 Rd8 35. Rf4 Kh5 36. b4 h6 37. gxh6 gxh6 38. Kb2 Rb8 39. Ka3 Kg6 40. c4 1-0

[Event "Sao Jose de Rio Preto op"]
[Site "Sao Jose de Rio Preto"]
[Date "2008.03.21"]
[Round "2"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Gomez, Gustavo Pizzocaro"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2280"]
[BlackElo "2083"]
[PlyCount "93"]
[EventDate "2008.03.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 b6 4. e4 Bb4 5. e5 Bxc3 6. bxc3 Ng8 7. d4 h6 8. Bd3 Bb7 9. 0-0 Ne7 10. Re1 0-0 11. Nd2 f5 12. exf6 Rxf6 13. Ne4 Bxe4 14. Bxe4 d5 15. cxd5 exd5 16. Qb3 Nbc6 17. Ba3 a5 18. Bf3 Kh8 19. Re2 a4 20. Qb5 Ng6 21. Rae1 Nf4 22. Re3 Qd7 23. g3 Nh3+ 24. Kg2 Rd8 25. Qd3 Ng5 26. Bg4 Qf7 27. f4 Ne4 28. Bf3 Nd6 29. Bxd6 Rfxd6 30. f5 Rf8 31. g4 g6 32. Re6 gxf5 33. Rxd6 cxd6 34. Qxf5 Qxf5 35. gxf5 Rxf5 36. Re6 Kg7 37. Rxd6 Ne7 38. Rxb6 Ng6 39. Bd1 Nf4+ 40. Kg3 a3 41. Rb7+ Kf6 42. Bg4 Nh5+ 43. Kh4 Rf2 44. Bxh5 Rxh2+ 45. Kg4 Rg2+ 46. Kf4 Rf2+ 47. Bf3 1-0

[Event "Sao Jose de Rio Preto op"]
[Site "Sao Jose de Rio Preto"]
[Date "2008.03.21"]
[Round "3"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Stamenkovic, Dragan"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "2280"]
[BlackElo "2417"]
[PlyCount "54"]
[EventDate "2008.03.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 Nbd7 9. 0-0-0 b5 10. g4 Bb7 11. Kb1 Rc8 12. g5 Nh5 13. Bh3 e6 14. Ncxb5 axb5 15. Nxb5 0-0 16. Nxd6 Rb8 17. Nxf7 Rxf7 18. Bxe6 Bc6 19. Bxf7+ Kxf7 20. Bd4 Ne5 21. Qc3 Qxg5 22. f4 Nxf4 23. Rhf1 Kg8 24. h4 Qh5 25. Ba7 Ne2 26. Qa5 Rxb2+ 27. Ka1 h6 0-1

[Event "Sao Jose de Rio Preto op"]
[Site "Sao Jose de Rio Preto"]
[Date "2008.03.20"]
[Round "1"]
[White "Calixto, Roberto Carlos"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1892"]
[BlackElo "2280"]
[PlyCount "74"]
[EventDate "2008.03.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. Be2 Bb7 10. 0-0 Be7 11. a4 b4 12. Nb1 d5 13. exd5 Nxd5 14. Bf2 Bg5 15. Qd3 Nc5 16. Nc6 Qd6 17. Qd4 Qxc6 18. Qxc5 Qxc5 19. Bxc5 Rc8 20. Bd4 Be3+ 21. Bxe3 Nxe3 22. c3 Nc2 23. Ra2 b3 24. Ra3 Nxa3 25. Nxa3 Ke7 26. Bc4 Bc6 27. Bxa6 Ra8 28. Bb5 Bxb5 29. axb5 Rhd8 30. c4 Rd2 31. Rb1 Kd6 32. b6 Kc5 33. b7 Rb8 34. Nb5 Kxc4 35. Na3+ Kb4 36. Kf1 Rxb2 37. Rxb2 Kxa3 0-1

[Event "Sao Paulo Cup CXSP"]
[Site "Sao Paulo"]
[Date "2007.12.02"]
[Round "6"]
[White "Feliciano Ebert, Vanessa"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "2021"]
[BlackElo "2295"]
[PlyCount "72"]
[EventDate "2007.11.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Bg5 e6 7. Bd3 Nbd7 8. 0-0 h6 9. Bh4 b5 10. a3 Qb6 11. Nb3 Be7 12. Kh1 Bb7 13. Bg3 0-0 14. f4 Rfd8 15. Qe1 Nc5 16. Rf3 Rac8 17. Bf2 Qc7 18. Nd4 Qb8 19. Qe2 Re8 20. Rg3 Bf8 21. e5 Nd5 22. Nxd5 Bxd5 23. Qh5 Nxd3 24. cxd3 dxe5 25. fxe5 g6 26. Re1 Bg7 27. Qe2 Rc7 28. Nc2 Bxe5 29. Qxe5 Rxc2 30. Qf6 e5 31. Be3 Re6 32. Qh4 g5 33. Qh5 Qb7 34. Rg1 Rg6 35. h4 gxh4 36. Qxh4 Bxg2+ 0-1

[Event "Americana Paulista Interior"]
[Site "Americana"]
[Date "2007.10.14"]
[Round "5"]
[White "De Rossi, Pedro Donizeti"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2072"]
[BlackElo "2295"]
[PlyCount "61"]
[EventDate "2007.10.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nf3 Nf6 4. Nc3 e5 5. d3 d6 6. Be2 Be7 7. 0-0 0-0 8. Ne1 Nd4 9. f4 a6 10. f5 b5 11. b3 b4 12. Nd5 Nxd5 13. cxd5 a5 14. a4 bxa3 15. Rxa3 Qb6 16. Bd2 c4 17. Be3 cxb3 18. Nf3 Qb4 19. Nxd4 Qxa3 20. Nc6 Bf6 21. g4 h6 22. h4 Bxh4 23. g5 Re8 24. Bh5 Bd7 25. Qg4 hxg5 26. Bxf7+ Kf8 27. Bxe8 Rxe8 28. Qh5 Bxc6 29. f6 gxf6 30. Qh8+ Ke7 31. Qg7+ 1-0

[Event "Americana Paulista Interior"]
[Site "Americana"]
[Date "2007.10.14"]
[Round "6"]
[White "Jacob, Rodrigo Stocking"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2042"]
[BlackElo "2295"]
[PlyCount "98"]
[EventDate "2007.10.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 Nb6 10. Bd3 Bb7 11. 0-0-0 Rc8 12. g5 Nfd7 13. Kb1 b4 14. Nce2 d5 15. exd5 Nxd5 16. g6 hxg6 17. Nxe6 fxe6 18. Bxg6+ Ke7 19. Bg5+ N7f6 20. Nd4 Rc5 21. Rhe1 Bc8 22. Re5 Qb6 23. Rde1 Nc3+ 24. Ka1 Rxe5 25. Rxe5 Ncd5 26. a3 bxa3 27. b3 Bd7 28. c4 Nc7 29. c5 Qb7 30. c6 Qc8 31. cxd7 Qxd7 32. Qb4+ Kd8 33. Qb8+ Qc8 34. Nxe6+ Kd7 35. Nxf8+ Qxf8 36. Bf5+ Kc6 37. Qa7 Qd6 38. Qe3 Nfd5 39. Qd4 Rxh2 40. Re1 Ra2+ 41. Kb1 Rb2+ 42. Ka1 Ra2+ 43. Kb1 Rb2+ 44. Ka1 Qb4 45. Rc1+ Kb7 46. Rxc7+ Kxc7 47. Qxg7+ Kc6 48. Bd7+ Kd6 49. Bf4+ Qxf4 0-1

[Event "Americana Paulista Interior"]
[Site "Americana"]
[Date "2007.10.12"]
[Round "4"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Herbst Neto, Eugenio"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2295"]
[BlackElo "2015"]
[PlyCount "45"]
[EventDate "2007.10.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nf3 Be7 8. c5 h6 9. Bf4 g5 10. Bg3 Nh5 11. Be5 Nxe5 12. Nxe5 Nf6 13. Bb5+ Kf8 14. 0-0 h5 15. f4 g4 16. Bd3 Rg8 17. f5 a6 18. Qd2 Ke8 19. Rae1 Ne4 20. Bxe4 dxe4 21. fxe6 f6 22. Nf7 Qa5 23. Rxe4 1-0

[Event "Americana Paulista Interior"]
[Site "Americana"]
[Date "2007.10.12"]
[Round "2"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Reis, Alan de Albuquerque"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "2295"]
[BlackElo "2011"]
[PlyCount "55"]
[EventDate "2007.10.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. exf6 hxg5 7. fxg7 Rg8 8. h4 gxh4 9. Qg4 Qf6 10. Rxh4 Nc6 11. 0-0-0 Bxc3 12. bxc3 Bd7 13. Nf3 0-0-0 14. Rh7 e5 15. Qh4 Qg6 16. dxe5 Bf5 17. Rh6 Qxg7 18. Rxc6 bxc6 19. Nd4 Bd7 20. Ba6+ Kb8 21. Ne6 Qg4 22. Qxg4 Rxg4 23. Nxd8 Ra4 24. Be2 Rf4 25. Rd4 Rxf2 26. Ba6 c5 27. Rxd5 Ba4 28. Nc6+ 1-0

[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.07.01"]
[Round "6"]
[White "Castro, Josimar Barroso"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2095"]
[BlackElo "2289"]
[PlyCount "82"]
[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. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. Re1 Nc6 7. c3 g6 8. d4 Bg7 9. Nbd2 0-0 10. Nf1 Qc7 11. d5 Na5 12. b3 b5 13. Bd2 e6 14. dxe6 fxe6 15. Qe2 c4 16. b4 Nc6 17. a4 a6 18. Ng5 Rae8 19. axb5 axb5 20. Ra6 d5 21. Ng3 d4 22. h3 Nd7 23. f4 dxc3 24. Be3 Nxb4 25. Ra7 Qc6 26. Rd1 Nd3 27. Rxd3 cxd3 28. Qxd3 Re7 29. Qc2 Ra8 30. Rxa8+ Qxa8 31. e5 Qa1+ 32. Kh2 Qb2 33. Qd3 c2 34. Ne2 Nf8 35. Qd8 Rd7 36. Qe8 Qb3 37. Bc5 Qd5 38. Bxf8 Bxf8 39. Nc3 Re7 40. Nxd5 Rxe8 41. Nf6+ Kh8 0-1

[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.07.01"]
[Round "7"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Cominato Neto, Jose Luis"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2289"]
[BlackElo "2146"]
[PlyCount "85"]
[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 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 d5 6. cxd5 exd5 7. Nc3 Be7 8. g3 0-0 9. Bg2 Bb7 10. Ne5 Nbd7 11. Bf4 c5 12. dxc5 Nxe5 13. Bxe5 bxc5 14. Qb3 Qb6 15. Qxb6 axb6 16. Rd1 Rfd8 17. 0-0 Bc6 18. Bxf6 Bxf6 19. Nxd5 Bxd5 20. Bxd5 Ra7 21. e4 Kf8 22. Rd2 b5 23. f4 Bd4+ 24. Kg2 Rb8 25. Rf3 Ke7 26. Rb3 Kd6 27. Bc4 Kc6 28. a4 Rxa4 29. Bxf7 c4 30. Rc2 Kc5 31. Rd3 Rb7 32. Bd5 Rba7 33. Rdd2 Rb4 34. Bg8 Ra2 35. Kf3 Rbxb2 36. Rxb2 Rxb2 37. Rxb2 Bxb2 38. Ke3 Bd4+ 39. Ke2 h6 40. e5 b4 41. g4 g6 42. Kd1 Bg1 43. e6 1/2-1/2

[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.06.30"]
[Round "4"]
[White "Campos, Alexandre Ferreira"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2114"]
[BlackElo "2289"]
[PlyCount "82"]
[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 Nf6 2. Nf3 e6 3. g3 c5 4. c3 Nc6 5. Bg2 d5 6. 0-0 Bd6 7. Bg5 h6 8. Bxf6 Qxf6 9. Nbd2 cxd4 10. cxd4 Nxd4 11. Qa4+ Nc6 12. e4 0-0 13. exd5 exd5 14. Qb3 Be6 15. Qxb7 Rfc8 16. Rac1 Rab8 17. Qa6 Rb6 18. Qa4 Qxb2 19. Rc2 Qb4 20. Qxb4 Nxb4 21. Rxc8+ Bxc8 22. Re1 Bb7 23. Nb3 Nxa2 24. Na5 Bc6 25. Nd4 Nc3 26. Bf3 Rb2 27. h4 Bb5 28. Re8+ Kh7 29. Ndc6 Bc5 30. h5 Rd2 31. Bg4 Bd4 32. Bf5+ g6 33. hxg6+ fxg6 34. Re7+ Bg7 35. Be6 Ne4 36. f4 Nxg3 37. Ne5 Bf1 38. Bxd5 Rxd5 39. Kf2 Nf5 40. Rxa7 Bb5 41. Ng4 Rd7 0-1

[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.06.30"]
[Round "5"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Gazel Pereira, Frederico"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2289"]
[BlackElo "2228"]
[PlyCount "58"]
[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. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a6 7. Nc3 d6 8. a5 Ba7 9. Bd3 Qf6 10. 0-0 Nge7 11. Kh1 Ne5 12. Be2 h5 13. f4 Ng4 14. Qe1 Bd7 15. Bf3 0-0-0 16. e5 dxe5 17. fxe5 Qg6 18. Qe2 Nf5 19. Bf4 h4 20. Bxg4 Ng3+ 21. Bxg3 Bxg4 22. Qe1 hxg3 23. Qxg3 Rh5 24. h3 Rdh8 25. Rxf7 Rxh3+ 26. gxh3 Rxh3+ 27. Qxh3 Bxh3 28. Rf8+ Kd7 29. e6+ Kc6 0-1

[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.06.29"]
[Round "2"]
[White "Massarioli, Felipe Alvarenga"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "E38"]
[WhiteElo "2063"]
[BlackElo "2289"]
[PlyCount "80"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e3 b6 6. Nf3 Bb7 7. Be2 c5 8. Bd2 cxd4 9. exd4 d5 10. cxd5 Nxd5 11. Nxd5 Bxd2+ 12. Qxd2 Qxd5 13. 0-0 Nc6 14. Rfd1 Rfd8 15. a3 Rd6 16. Rac1 Rad8 17. Bc4 Qe4 18. Bd3 Qg4 19. h3 Qh5 20. Be2 Qg6 21. Bf1 Qf6 22. Qe3 Ne7 23. Be2 Nf5 24. Qe5 Nxd4 25. Qe3 Bxf3 26. gxf3 g6 27. b3 Rd5 28. Kg2 Kg7 29. f4 Nxe2 30. Qxe2 Qxf4 31. Rxd5 Rxd5 32. Qb2+ Kh6 33. Rc4 Qg5+ 34. Rg4 Rd2 35. Qh8 Qd5+ 36. Kg3 Qxb3+ 37. f3 Qb2 38. Rh4+ Kg5 39. Rg4+ Kf5 40. Rf4+ Kg5 1/2-1/2

[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.06.29"]
[Round "3"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Gomez, Gustavo Pizzocaro"]
[Result "1-0"]
[ECO "E41"]
[WhiteElo "2289"]
[BlackElo "2032"]
[PlyCount "121"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 0-0 6. Bd3 d6 7. 0-0 Bxc3 8. bxc3 Nc6 9. e4 e5 10. d5 Ne7 11. Bg5 Ng6 12. h3 h6 13. Be3 Nh5 14. Re1 Nhf4 15. Bf1 f5 16. Nd2 fxe4 17. Nxe4 Ne7 18. Kh2 Bf5 19. Qc2 Qd7 20. Bxf4 exf4 21. Bd3 Rae8 22. f3 g6 23. Qd2 Bxe4 24. fxe4 Kg7 25. e5 dxe5 26. Rxe5 Nf5 27. Qxf4 Qd6 28. Rae1 g5 29. Qe4 Rxe5 30. Qxe5+ Qxe5+ 31. Rxe5 Nd6 32. Re7+ Rf7 33. Re6 Rf6 34. Re2 Rf8 35. Re7+ Rf7 36. Re1 Rf8 37. Kg3 Re8 38. Rd1 Re3+ 39. Kf2 Re7 40. a4 Kf6 41. Kf3 Rf7 42. Kg4 Kg7 43. Re1 Rf4+ 44. Kg3 Rf8 45. a5 Re8 46. Rd1 b6 47. axb6 axb6 48. Kf3 Rf8+ 49. Ke3 Re8+ 50. Kd2 Ra8 51. Bf1 Rf8 52. Rb1 Rb8 53. Bd3 Rb7 54. Ra1 Kf6 55. g3 Rb8 56. Ra7 Rb7 57. Ra8 Kg7 58. Rd8 Nf7 59. Re8 Nd6 60. Re6 Rd7 61. Rg6+ 1-0

[Event "Sao Paulo Paulista-ch"]
[Site "Sao Paulo"]
[Date "2007.06.28"]
[Round "1"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Giese, Ellen Cristine"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "2289"]
[BlackElo "1838"]
[PlyCount "45"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. Bb3 Rb8 11. g4 Na5 12. Bh6 e5 13. Bxg7 Kxg7 14. Nde2 Nxb3 15. axb3 Re8 16. Qxd6 Re6 17. Qd2 Qb6 18. g5 Nh5 19. Qxd7 Rd8 20. Qb5 Qe3 21. Nd5 Qxg5 22. h4 Qg2 23. 0-0-0 1-0

[Event "Botucatu 152 Ann op"]
[Site "Botucatu"]
[Date "2007.04.22"]
[Round "6"]
[White "Araujo, Rafael Moreira"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2150"]
[BlackElo "2289"]
[PlyCount "68"]
[EventDate "2007.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 a6 4. d3 Nf6 5. Bb3 Nc6 6. c3 Bg4 7. h3 Bh5 8. g4 Bg6 9. Bf4 Qb6 10. Qe2 0-0-0 11. Nbd2 Na5 12. Bg3 e6 13. Nh4 d5 14. e5 Nd7 15. 0-0-0 Be7 16. f4 h6 17. f5 Bh7 18. Rhf1 Rde8 19. Ng2 Bg5 20. Bc2 exf5 21. gxf5 Nxe5 22. Bxe5 f6 23. Qg4 Rxe5 24. h4 Bxd2+ 25. Rxd2 Qc7 26. d4 cxd4 27. Rxd4 Nc6 28. Rd2 Rd8 29. Rfd1 d4 30. cxd4 Rc5 31. Kb1 Nb4 32. d5 Nxa2 33. d6 Qd7 34. Qd4 Kb8 1-0

[Event "Botucatu 152 Ann op"]
[Site "Botucatu"]
[Date "2007.04.22"]
[Round "5"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Shiroma, Silvio Haruo"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2289"]
[BlackElo "2170"]
[PlyCount "29"]
[EventDate "2007.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[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 Bc5 4. d4 exd4 5. 0-0 Nf6 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 0-0 12. g4 Qd5 13. fxg7 Kxg7 14. Nxc5 Qxc5 15. Rxe6 1-0

[Event "Botucatu 152 Ann op"]
[Site "Botucatu"]
[Date "2007.04.21"]
[Round "4"]
[White "Matsuura, Everaldo"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2502"]
[BlackElo "2289"]
[PlyCount "49"]
[EventDate "2007.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 Nb6 10. Bd3 Bb7 11. 0-0-0 Rc8 12. Kb1 Nfd7 13. Qf2 Rxc3 14. bxc3 Qc7 15. Ne2 Be7 16. g5 Na4 17. h4 Ne5 18. Bd4 0-0 19. h5 Bxg5 20. f4 Nxd3 21. cxd3 Bh6 22. Rhg1 e5 23. fxe5 dxe5 24. Qf6 exd4 25. Rxg7+ 1-0

[Event "Botucatu 152 Ann op"]
[Site "Botucatu"]
[Date "2007.04.21"]
[Round "3"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Rosa, Danilo Epitacio"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2289"]
[BlackElo "2082"]
[PlyCount "61"]
[EventDate "2007.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. Qa4+ Bd7 5. Qb3 exd5 6. cxd5 Na6 7. Nc3 Bc5 8. Nf3 Nb4 9. d4 Qe7+ 10. Be3 Ng4 11. Kd2 Bd6 12. Re1 Nxe3 13. fxe3 a5 14. a3 Na6 15. Bb5 Nb8 16. Bd3 0-0 17. Qxb7 Na6 18. Qb3 Rfb8 19. Qc2 h6 20. Rhf1 Rb6 21. Ke2 Rab8 22. Nd1 Bg4 23. h3 Bxf3+ 24. Rxf3 Qg5 25. Kf1 Re8 26. e4 Bg3 27. Re2 Rf6 28. Bxa6 Rxa6 29. e5 h5 30. e6 fxe6 31. Qd3 1-0

[Event "Botucatu 152 Ann op"]
[Site "Botucatu"]
[Date "2007.04.20"]
[Round "2"]
[White "Moreira, Ronaldo Alonso"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "1968"]
[BlackElo "2289"]
[PlyCount "78"]
[EventDate "2007.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 h6 5. Bh4 Bb4+ 6. Nc3 dxc4 7. e3 b5 8. a4 c6 9. Nd2 Bb7 10. axb5 Bxc3 11. bxc3 cxb5 12. Qb1 Bc6 13. Bxf6 Qxf6 14. Ne4 Qe7 15. Be2 0-0 16. Bf3 Rc8 17. 0-0 a5 18. Nc5 Bxf3 19. gxf3 Nd7 20. Nb7 Ne5 21. Qe4 Nc6 22. Nc5 Rab8 23. Rfc1 e5 24. Qg4 exd4 25. Nd7 Ne5 26. Nxe5 Qxe5 27. exd4 Qc7 28. d5 Rb6 29. Kh1 Rg6 30. Qe4 Rd8 31. Rg1 Rf6 32. Rg4 g6 33. h4 h5 34. Rg5 Rf4 35. Rxg6+ fxg6 36. Qxg6+ Qg7 37. Qxh5 Qf6 38. Rg1+ Kf8 39. Rg5 Rxd5 0-1

[Event "Botucatu 152 Ann op"]
[Site "Botucatu"]
[Date "2007.04.20"]
[Round "1"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Minetto, Adriano"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2289"]
[BlackElo "2040"]
[PlyCount "61"]
[EventDate "2007.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 7. Qg4 Bxg5 8. hxg5 c5 9. g6 f5 10. Qf4 h6 11. Nf3 0-0 12. 0-0-0 Nc6 13. Kb1 cxd4 14. Ne2 Nc5 15. Nexd4 Ne4 16. Qe3 f4 17. Qe1 Bd7 18. c4 Nxd4 19. Nxd4 Qe8 20. cxd5 exd5 21. Bd3 Nc5 22. Bc2 Rc8 23. Qe2 Be6 24. Qf3 Rd8 25. Rh4 Ne4 26. Rxf4 Rxf4 27. Qxf4 Nc5 28. Qe3 Bg4 29. f3 Bh5 30. Nf5 b6 31. Nxh6+ 1-0

[Event "Sao Paulo Interclubs Paulista"]
[Site "Sao Paulo"]
[Date "2007.03.04"]
[Round "6"]
[White "D'Israel, Davy Maurice"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2277"]
[BlackElo "2292"]
[PlyCount "56"]
[EventDate "2007.02.24"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Bf4 Nh5 11. Be3 Na6 12. Nd2 Bd7 13. Bf3 Bh3 14. Re1 Rxe3 15. fxe3 Qg5 16. Kf2 Bh6 17. Nc4 Re8 18. Qd2 Nf6 19. Kg1 Ng4 20. Nb5 Ne5 21. Nbxd6 Nxc4 22. Nxc4 b5 23. Nd6 Qe5 24. Ne4 f5 25. Nf2 Bxe3 26. Qc3 Bd4 27. Qd2 Be3 28. Qc3 Bd4 1/2-1/2

[Event "Sao Paulo Interclubs Paulista"]
[Site "Sao Paulo"]
[Date "2007.03.03"]
[Round "5"]
[White "Oliveira, Jefferson dos Santo"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2292"]
[BlackElo "2289"]
[PlyCount "49"]
[EventDate "2007.02.24"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 d4 12. Ne2 Bg4 13. Bg5 h6 14. Bh4 Re8 15. f3 Bh5 16. Qd2 Qd6 17. Rad1 Rad8 18. Bb5 d3 19. Bxd3 Qe5 20. Qc3 g5 21. Bg3 Qe7 22. Rfe1 Nd5 23. Qb3 Ne3 24. Rd2 Qf6 25. Nc3 1/2-1/2

[Event "Sao Paulo Interclubs Paulista"]
[Site "Sao Paulo"]
[Date "2007.02.25"]
[Round "4"]
[White "Da Silva, Tiago Henrique"]
[Black "Oliveira, Jefferson dos Santo"]
[Result "1/2-1/2"]
[ECO "E26"]
[WhiteElo "2096"]
[BlackElo "2292"]
[PlyCount "55"]
[EventDate "2007.02.24"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. Nf3 0-0 9. e4 Ba6 10. e5 Ne8 11. d5 Na5 12. Qe2 f6 13. Qe4 g6 14. Bh6 Rf7 15. 0-0 exd5 16. cxd5 c4 17. Bc2 Nb7 18. Be3 Rc8 19. Rad1 Qe7 20. Qh4 fxe5 21. Qxe7 Rxe7 22. Bg5 Rg7 23. Nxe5 Nbd6 24. a4 Rc5 25. f4 Nc7 26. Bh6 Re7 27. Bg5 Rg7 28. Bh6 1/2-1/2

