[Event "Mogi das Cruzes op 08"]
[Site "Mogi das Cruzes"]
[Date "2013.08.18"]
[Round "6"]
[White "Alboredo, Julia"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "1847"]
[BlackElo "1530"]
[PlyCount "69"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. c3 Nc6 7. dxc5 Bxc5 8. Be2 0-0 9. 0-0 Be6 10. Nb3 Be7 11. Bf4 a6 12. Nfd4 Nxd4 13. Qxd4 Rc8 14. Rad1 Bd6 15. Bg5 Be7 16. Qd3 Ne4 17. Bf4 Bd6 18. Bxd6 Qxd6 19. Qxe4 Qxh2+ 20. Kxh2 dxe4 21. Rd4 f5 22. Rd6 Rf6 23. Rfd1 Rc7 24. Nd4 Kf7 25. Nxe6 Rxe6 26. Rxe6 Kxe6 27. f3 e3 28. f4 Rd7 29. Rxd7 Kxd7 30. Kg3 Ke6 31. Kf3 Kf6 32. Kxe3 g5 33. fxg5+ Kxg5 34. a4 h5 35. a5 1-0

[Event "Mogi das Cruzes op 08"]
[Site "Mogi das Cruzes"]
[Date "2013.08.18"]
[Round "5"]
[White "De Almeida, Jefferson Silva"]
[Black "Vallejos, Jose Adolfo"]
[Result "1/2-1/2"]
[ECO "D08"]
[WhiteElo "1530"]
[BlackElo "2029"]
[PlyCount "103"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 a5 6. a3 Bc5 7. Nbd2 Bf5 8. Nb3 Ba7 9. Bg2 h6 10. c5 d3 11. Nh4 Bh7 12. Bxc6+ bxc6 13. Be3 Qd5 14. Rg1 Rb8 15. Nc1 Rxb2 16. Nxd3 Rb5 17. Nf4 Qxd1+ 18. Rxd1 g5 19. e6 Bxc5 20. exf7+ Kxf7 21. a4 Bb4+ 22. Kf1 Rb7 23. Bd4 Nf6 24. Bxf6 Kxf6 25. Nh5+ Ke7 26. Nf3 Bc2 27. Rc1 Bxa4 28. Ne5 Ke6 29. Nxc6 Bd2 30. Rc4 Bb3 31. Rc5 Kd6 32. Nxa5 Bxa5 33. Rxa5 Bd5 34. f3 Rf8 35. Kf2 Rb2 36. Ra3 g4 37. Nf4 gxf3 38. Re1 fxe2 39. Rxe2 Rb1 40. Ra6+ c6 41. Re1 Rb3 42. Re3 Rb4 43. Kg1 Rb1+ 44. Kf2 Rb2+ 45. Kg1 Rb1+ 46. Kf2 Kc5 47. Re5 Kd4 48. Rh5 Rb2+ 49. Kg1 Re8 50. Ra1 Bf3 51. Rxh6 Rc2 52. h4 1/2-1/2

[Event "Mogi das Cruzes op 08"]
[Site "Mogi das Cruzes"]
[Date "2013.08.17"]
[Round "3"]
[White "De Almeida, Jefferson Silva"]
[Black "Andor, Jorge"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1530"]
[BlackElo "1849"]
[PlyCount "112"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Nbd7 8. 0-0 Nc5 9. Qc2 a5 10. Be3 Ng4 11. Bxc5 dxc5 12. h3 Nh6 13. a4 f5 14. Nd2 f4 15. f3 Nf7 16. Nd1 g5 17. Nb3 b6 18. Nf2 h5 19. Qd3 Qd6 20. Nd2 Bd7 21. Nb1 Rad8 22. Nc3 Qh6 23. b3 Nd6 24. Ra2 Kh8 25. Nb5 Ne8 26. Nc3 Bf6 27. Bd1 Rg8 28. Nb5 Rg6 29. Qc3 Qg7 30. Rd2 Be7 31. Na7 Kh7 32. Nc6 Bxc6 33. dxc6 Rgd6 34. Rd5 Re6 35. Be2 Rdd6 36. Rfd1 Rxc6 37. Nd3 Rcd6 38. Nf2 c6 39. Rxd6 Rxd6 40. Nd3 Rd4 41. Qe1 Qf6 42. g3 Ng7 43. gxf4 exf4 44. e5 Qe6 45. Kg2 Nf5 46. Kh2 Ne3 47. Rc1 Kh6 48. h4 g4 49. fxg4 Nxg4+ 50. Bxg4 hxg4 51. Nb2 g3+ 52. Kg2 Qg4 53. Rc3 Qxh4 54. Qh1 Rd2+ 55. Kg1 Qxh1+ 56. Kxh1 Rxb2 0-1

[Event "Mogi das Cruzes op 08"]
[Site "Mogi das Cruzes"]
[Date "2013.08.17"]
[Round "4"]
[White "Nikolic, Jovane"]
[Black "De Almeida, Jefferson Silva"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1713"]
[BlackElo "1530"]
[PlyCount "96"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. b4 e6 2. Bb2 Nf6 3. b5 Be7 4. c4 c6 5. a4 a6 6. Nc3 axb5 7. axb5 Rxa1 8. Qxa1 d6 9. Nf3 0-0 10. e3 d5 11. Be2 dxc4 12. Bxc4 cxb5 13. Nxb5 Nc6 14. 0-0 Qa5 15. d4 Qxa1 16. Rxa1 Bd7 17. Nd2 Nb4 18. Rb1 Rb8 19. e4 Na6 20. f3 Ne8 21. d5 Nd6 22. Nxd6 Bxd6 23. Bd4 b5 24. Bb3 Bc5 25. Bxc5 Nxc5 26. d6 Rb6 27. Bc4 Rxd6 28. Bxb5 Rxd2 29. Rc1 Nb7 30. Rc7 Bxb5 31. Rxb7 Be8 32. h4 g6 33. Kh2 Kg7 34. Kh3 Rd1 35. g4 Rd3 36. Kg3 Bc6 37. Rb4 Rd1 38. g5 h5 39. Rc4 Bb5 40. Rc2 Rd3 41. Rc7 Ba4 42. Kf2 Bd1 43. Rc1 Bxf3 44. Re1 Bg4 45. Re3 Rd2+ 46. Kg3 Rd1 47. e5 Bf5 48. Kg2 Rd3 0-1

[Event "Mogi das Cruzes op 08"]
[Site "Mogi das Cruzes"]
[Date "2013.08.16"]
[Round "1"]
[White "De Almeida, Jefferson Silva"]
[Black "Rodrigo da Silva, Edson"]
[Result "0-1"]
[ECO "D17"]
[WhiteElo "1530"]
[BlackElo "1998"]
[PlyCount "88"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Ne3 Be6 12. Qc2 Qa5 13. Bg2 Ng6 14. Qe4 Nf6 15. Qf3 Nxf4 16. Qxf4 Bb4 17. 0-0 0-0 18. Nc4 Qc5 19. Na3 Qe7 20. Ne4 Nxe4 21. Qxe4 a5 22. Nc2 Bc5 23. e3 Qf6 24. Nd4 Bd5 25. Qd3 Bxg2 26. Kxg2 Rfd8 27. Rfd1 Bxd4 28. exd4 Rd5 29. Rd2 Rad8 30. Qb3 Qe7 31. Qe3 Qd7 32. Rad1 c5 33. b3 cxd4 34. Qd3 g6 35. Rc1 b5 36. Rdc2 bxa4 37. Rc7 Qe8 38. bxa4 Qxa4 39. Re1 R5d7 40. Re7 Rxe7 41. Rxe7 Qc6+ 42. f3 a4 43. Ra7 Rd6 44. Qb1 Rd8 0-1

[Event "Mogi das Cruzes op 08"]
[Site "Mogi das Cruzes"]
[Date "2013.08.16"]
[Round "2"]
[White "Mattos, Davison Moreira"]
[Black "De Almeida, Jefferson Silva"]
[Result "0-1"]
[ECO "E90"]
[BlackElo "1530"]
[PlyCount "110"]
[EventDate "2013.08.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. Bd3 Bg4 7. Be2 Bxf3 8. Bxf3 e5 9. d5 Nbd7 10. Bg5 h6 11. Bh4 g5 12. Bg3 Nc5 13. h3 Ne8 14. h4 f5 15. hxg5 f4 16. Bh4 hxg5 17. Bg4 gxh4 18. b4 Nd7 19. Be6+ Rf7 20. Qh5 Qf6 21. Rxh4 Kf8 22. f3 Ke7 23. a4 Rf8 24. Nb5 Rh8 25. Qf7+ Qxf7 26. Bxf7 Kxf7 27. Rg4 Rh1+ 28. Kd2 Rxa1 29. a5 a6 30. Nc3 Rh1 31. b5 Nef6 32. bxa6 bxa6 33. Rg5 Rh5 34. Rf5 Rxf5 35. exf5 Rh8 36. Ke2 Nc5 37. g4 fxg3 38. Kf1 Rh4 39. Kg2 Rxc4 40. Ne2 Rc2 41. Kf1 Rxe2 42. Kxe2 Bh6 43. Kf1 Nb3 44. Kg2 Bf4 45. Kh1 Nxa5 46. Kg2 Nb3 47. Kh1 a5 48. Kg2 a4 49. Kh3 a3 50. Kg2 a2 51. Kf1 a1Q+ 52. Ke2 Nd4+ 53. Kd3 Qa3+ 54. Kc4 Qc5+ 55. Kd3 Qc2# 0-1

[Event "Mogi das Cruzes CXMC A"]
[Site "Mogi das Cruzes"]
[Date "2013.03.31"]
[Round "7.2"]
[White "De Almeida, Jefferson Silva"]
[Black "Saito, Helio Tsutomu"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1581"]
[BlackElo "1646"]
[PlyCount "86"]
[EventDate "2013.03.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. Nc3 b6 5. Bg5 Bb7 6. e3 Be7 7. Be2 0-0 8. h3 d6 9. 0-0 Nbd7 10. b4 Ne4 11. Nxe4 Bxe4 12. Bf4 g5 13. Bg3 h6 14. Nd2 Bb7 15. Bf3 Bxf3 16. Qxf3 Qe8 17. Qb7 Qd8 18. Qf3 Bf6 19. Rac1 Bg7 20. Qe2 Nf6 21. h4 Ng4 22. hxg5 hxg5 23. Nf3 Bh6 24. Nh2 Nf6 25. f4 g4 26. Bh4 Qe8 27. Bxf6 Rxf6 28. g3 Qh5 29. Qg2 Re8 30. Kf2 Kf8 31. Rh1 Qf7 32. Qb7 e5 33. dxe5 dxe5 34. Qd5 exf4 35. exf4 Rd6 36. Qxf7+ Kxf7 37. Nf1 Bg7 38. Rc2 Bd4+ 39. Kg2 Rde6 40. Nh2 Re2+ 41. Rxe2 Rxe2+ 42. Kf1 Rxa2 43. Ke1 Ra1+ 0-1

[Event "Mogi das Cruzes CXMC A"]
[Site "Mogi das Cruzes"]
[Date "2013.03.31"]
[Round "6.3"]
[White "Pinto, Rendrex Lopes"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "1956"]
[BlackElo "1581"]
[PlyCount "39"]
[EventDate "2013.03.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Bd3 c5 7. d5 e6 8. dxe6 fxe6 9. Nf3 Nh5 10. f5 exf5 11. exf5 gxf5 12. 0-0 Bxc3 13. bxc3 Ng7 14. Bg5 Qc7 15. Qe1 Nc6 16. Qg3 Be6 17. Rae1 Rae8 18. Bf4 Re7 19. Bxd6 Qd7 20. Ng5 1-0

[Event "Mogi das Cruzes CXMC A"]
[Site "Mogi das Cruzes"]
[Date "2013.03.30"]
[Round "5.3"]
[White "De Almeida, Jefferson Silva"]
[Black "Tamarozi, Isabelle"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1581"]
[BlackElo "1726"]
[PlyCount "116"]
[EventDate "2013.03.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Re8 7. 0-0 Nbd7 8. Be3 e5 9. d5 Nc5 10. Qc2 a5 11. Bxc5 dxc5 12. g3 Bh3 13. Rfd1 Ng4 14. Ne1 Qf6 15. Bxg4 Bxg4 16. Rd3 h5 17. h4 g5 18. f3 Bd7 19. Ng2 Bh3 20. hxg5 Qxg5 21. Qf2 f5 22. Kh2 Bxg2 23. Qxg2 f4 24. Nb5 Re7 25. gxf4 Qh4+ 26. Qh3 Qxh3+ 27. Kxh3 exf4 28. Rg1 Kh7 29. Rd2 Rd8 30. Na3 Bd4 31. Rgg2 Rg7 32. Rxg7+ Kxg7 33. Rg2+ Kh6 34. b3 Bf6 35. Nc2 Bc3 36. Na3 Bb4 37. Nb1 Be1 38. Na3 Bc3 39. Nb5 Be5 40. Na3 Bd4 41. Nc2 Bc3 42. Na3 Be1 43. e5 c6 44. d6 Bc3 45. Re2 Bxe5 46. Rxe5 Rxd6 47. Rf5 Rd2 48. Rxf4 Rxa2 49. Nb1 Rb2 50. Rf5 Rxb1 51. Rxc5 Rxb3 52. Rxa5 Rxf3+ 53. Kh4 Rf4+ 54. Kg3 Rxc4 55. Ra8 b5 56. Rh8+ Kg6 57. Rg8+ Kf7 58. Rg5 Rg4+ 0-1

[Event "Mogi das Cruzes CXMC A"]
[Site "Mogi das Cruzes"]
[Date "2013.03.30"]
[Round "4.2"]
[White "Pereira, Jorge Luiz Rodrigue"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "1879"]
[BlackElo "1581"]
[PlyCount "111"]
[EventDate "2013.03.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Na6 8. Qd2 Bd7 9. Nge2 Ne8 10. g4 c6 11. h4 f6 12. Ng3 c5 13. 0-0-0 Nac7 14. Be2 Rb8 15. h5 g5 16. Nf5 Bxf5 17. gxf5 h6 18. Kc2 Rf7 19. Rb1 b6 20. b4 Rd7 21. a3 cxb4 22. axb4 Rb7 23. Rb2 Rb8 24. Ra1 Rb7 25. Kd1 Na8 26. b5 Bf8 27. Na2 Ng7 28. Nb4 Qe8 29. Kc2 Nxh5 30. Rh1 Nf4 31. Bxf4 exf4 32. Nc6 Qf7 33. Ra2 h5 34. Bd3 h4 35. Be2 Qh5 36. Qc3 Qf7 37. Qa1 Bg7 38. Nd4 Bh8 39. Ne6 Bg7 40. Bd3 Qh5 41. Qf1 Nc7 42. Be2 Ne8 43. Qh3 Qf7 44. Qg4 Nc7 45. Bd3 Qe7 46. Rha1 Ne8 47. Kb3 Qf7 48. Bf1 Bh8 49. Bh3 Ng7 50. Ra6 Nh5 51. Nxg5 fxg5 52. Qxg5+ Ng7 53. f6 Qh5 54. Be6+ Kh7 55. Qxf4 Nxe6 56. dxe6 1-0

[Event "Mogi das Cruzes CXMC A"]
[Site "Mogi das Cruzes"]
[Date "2013.03.29"]
[Round "3.4"]
[White "De Almeida, Jefferson Silva"]
[Black "De Moraes, Luiz Gustavo"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "1581"]
[PlyCount "97"]
[EventDate "2013.03.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nd7 4. Nc3 Ngf6 5. Bg5 Be7 6. e3 0-0 7. Bd3 dxc4 8. Bxc4 c6 9. a4 Nd5 10. Bxe7 Qxe7 11. Nxd5 exd5 12. Bd3 Nf6 13. 0-0 Ne4 14. Qc2 f5 15. Ne5 Qf6 16. f3 Nd6 17. a5 a6 18. f4 Be6 19. Rf3 Ne4 20. Rh3 Rad8 21. Qe2 Bf7 22. Ra3 Qe7 23. Qd1 Nf6 24. Bxf5 g6 25. Bd3 Ne4 26. Bxe4 dxe4 27. Qc2 Be6 28. Rg3 Bf5 29. Rg5 Qb4 30. Qc4+ Qxc4 31. Nxc4 Rd5 32. h4 Be6 33. Rxd5 Bxd5 34. Ne5 Be6 35. Ra4 Rb8 36. Rb4 Kg7 37. Nxc6 Rc8 38. Rxb7+ Kf6 39. Rb6 Bc4 40. Na7+ Kg7 41. Nxc8 h5 42. b3 Bd3 43. d5 Kf7 44. Nd6+ Ke7 45. Nc4 Kd7 46. Rxa6 Kc7 47. Rxg6 Be2 48. d6+ Kd7 49. Nb6+ 1-0

[Event "Mogi das Cruzes CXMC A"]
[Site "Mogi das Cruzes"]
[Date "2013.03.29"]
[Round "2.1"]
[White "De Souza, Eduardo Pereira"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "A21"]
[BlackElo "1581"]
[PlyCount "105"]
[EventDate "2013.03.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Ne7 5. e3 0-0 6. Nge2 d6 7. b3 c6 8. Bb2 Na6 9. 0-0 f5 10. f4 e4 11. a3 Nc5 12. Nc1 d5 13. b4 Nd3 14. Nxd3 exd3 15. cxd5 cxd5 16. Qb3 Be6 17. Nb5 Bxb2 18. Qxb2 a6 19. Nd4 Bf7 20. Qb3 Nc6 21. Nxc6 bxc6 22. Qxd3 Qf6 23. Qc3 Qxc3 24. dxc3 Rfe8 25. Kf2 Re7 26. Bf3 Kg7 27. Bd1 a5 28. Ba4 Ra6 29. b5 cxb5 30. Bxb5 Raa7 31. a4 Rec7 32. Rfc1 Rc5 33. Ke2 Be6 34. Kd3 Rac7 35. Ra3 Kf6 36. h3 h6 37. Kd2 Ke7 38. Raa1 Kd6 39. Rc2 Rb7 40. Rac1 Rbxb5 41. axb5 Rxb5 42. Ra1 Kc6 43. Kd3 Kb6 44. Kd4 Bf7 45. Rcc1 Kc6 46. Rcb1 Rc5 47. Rb8 Rc4+ 48. Kd3 Be6 49. Rxa5 Kc7 50. Rb4 Rc6 51. Ra7+ Kd6 52. Kd4 Bc8 53. Rg7 1-0

[Event "Mogi das Cruzes CXMC A"]
[Site "Mogi das Cruzes"]
[Date "2013.03.28"]
[Round "1.4"]
[White "Almeida, Andre de Camargo"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1907"]
[BlackElo "1581"]
[PlyCount "127"]
[EventDate "2013.03.28"]
[EventType "tourn"]
[EventRounds "7"]
[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. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 Bb4+ 7. Nc3 Nge7 8. Bb5 Qb6 9. Qa4 a6 10. Qxb4 axb5 11. Qxb5 Qxb5 12. Nxb5 0-0 13. 0-0 Bd7 14. Nd6 Ra4 15. b3 Ra7 16. a4 Nc8 17. Nb5 Ra6 18. Ba3 Rd8 19. Rfc1 Na5 20. Nc7 Nxb3 21. Nxa6 bxa6 22. Bc5 Nxc1 23. Rxc1 Bxa4 24. Ne1 h6 25. Ra1 Bb5 26. Nc2 Rd7 27. Nb4 Rb7 28. g3 Nb6 29. Nxa6 Bxa6 30. Rxa6 Nc4 31. Ra8+ Kh7 32. Rf8 Nd2 33. Kg2 Nb3 34. Rc8 Nd2 35. h4 Ne4 36. Rf8 Nxc5 37. dxc5 Rc7 38. h5 d4 39. f4 g6 40. hxg6+ Kxg6 41. Rd8 Rxc5 42. Rxd4 Rd5 43. Ra4 Kf5 44. Kh3 Kg6 45. Ra6 Kf5 46. Ra7 Kg6 47. Ra8 Rd3 48. Kh4 Rd7 49. Rg8+ Kh7 50. Rg4 Rd8 51. Kh5 Rf8 52. Rh4 f6 53. exf6 Rxf6 54. Kg4 Kg6 55. Rh5 Rf5 56. Rh1 e5 57. Rxh6+ Kxh6 58. Kxf5 exf4 59. gxf4 Kg7 60. Ke6 Kf8 61. f5 Ke8 62. f6 Kf8 63. Kf5 Kf7 64. Kg5 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.12"]
[Round "7"]
[White "Silva, Darcy Antonio"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1543"]
[BlackElo "1579"]
[PlyCount "91"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. c3 d6 5. h3 0-0 6. Nf3 c5 7. Bc4 d5 8. Be2 cxd4 9. exd4 Qb6 10. Qb3 Nbd7 11. Nbd2 a5 12. Qxb6 Nxb6 13. 0-0 a4 14. a3 Ne4 15. Nxe4 dxe4 16. Ne5 f6 17. Nc4 Nd5 18. Bh2 Kh8 19. Nd2 e3 20. fxe3 Nxe3 21. Rf3 Bh6 22. Bf4 Bxf4 23. Rxf4 f5 24. Nc4 Nxc4 25. Bxc4 e6 26. Re1 Re8 27. Rf2 Bd7 28. Rfe2 b5 29. Bxe6 Re7 30. Bxd7 Rxd7 31. Re7 Rad8 32. R1e5 Rxe7 33. Rxe7 Rd5 34. Rc7 Kg8 35. Rc5 Rxc5 36. dxc5 Kf8 37. Kf2 Ke7 38. Ke3 Ke6 39. Kd4 g5 40. c4 bxc4 41. Kxc4 h5 42. Kb5 g4 43. hxg4 fxg4 44. c6 Ke7 45. Kb6 h4 46. c7 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.11"]
[Round "6"]
[White "De Almeida, Jefferson Silva"]
[Black "Van Riemsdijk, Marius Rombout"]
[Result "0-1"]
[ECO "A59"]
[WhiteElo "1579"]
[BlackElo "1833"]
[PlyCount "74"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Kg2 0-0 11. Nf3 Nbd7 12. Qc2 Qa5 13. Re1 Rfb8 14. Bg5 Qb4 15. Rab1 h6 16. Bd2 Ng4 17. a3 Qb3 18. Qc1 Nge5 19. Qd1 Nd3 20. Rf1 Qxd1 21. Nxd1 Rxa3 22. bxa3 Rxb1 23. Ne3 Rb2 24. Nc4 Rc2 25. Ne3 Ra2 26. Nc4 N7e5 27. Nfxe5 Nxe5 28. Nxe5 Rxd2 29. Nc4 Rc2 30. Nb6 Bd4 31. a4 c4 32. a5 c3 33. Rd1 Rxf2+ 34. Kh1 Ra2 35. Nc4 Ra4 36. Nb6 Rxa5 37. Nd7 Ra2 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.11"]
[Round "5"]
[White "Machado, Eduardo Ribeiro"]
[Black "De Almeida, Jefferson Silva"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "1851"]
[BlackElo "1579"]
[PlyCount "73"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. g3 c6 6. Bg2 d5 7. 0-0 dxc4 8. Ne5 Be6 9. Bf4 Nh5 10. Na4 Nxf4 11. gxf4 Nd7 12. Qc2 Nxe5 13. dxe5 b5 14. Nc5 Bf5 15. e4 Bc8 16. Rfd1 Qb6 17. Nd7 Bxd7 18. Rxd7 e6 19. b3 Rad8 20. Rxd8 Rxd8 21. bxc4 b4 22. c5 Qc7 23. Qb3 Bh6 24. Qg3 Bf8 25. f5 Bxc5 26. h4 Bd4 27. Rb1 Bxe5 28. Qg4 Qd6 29. h5 exf5 30. exf5 Qd4 31. Be4 Qd7 32. Qg5 f6 33. Qg4 g5 34. Rxb4 Qd1+ 35. Qxd1 Rxd1+ 36. Kg2 Rd4 37. Rxd4 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.10"]
[Round "3"]
[White "Becker, Maria"]
[Black "De Almeida, Jefferson Silva"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "1579"]
[PlyCount "60"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Qf3 Ne7 6. Ne2 0-0 7. 0-0 Be6 8. Bf4 Nbc6 9. c3 Qd7 10. Bxd6 Qxd6 11. Nd2 Ng6 12. Qg3 Qd7 13. Nf3 f5 14. Nf4 Nxf4 15. Qxf4 Rf6 16. Ng5 Bf7 17. Nxf7 Qxf7 18. Rae1 Qd7 19. Re2 Ne7 20. Qf3 Ng6 21. c4 c6 22. cxd5 cxd5 23. Bc2 f4 24. Bxg6 Rxg6 25. Re5 Rd8 26. Rd1 Qg4 27. Qxg4 Rxg4 28. g3 fxg3 29. fxg3 Rg6 30. Kf2 Rf6+ 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.10"]
[Round "4"]
[White "De Almeida, Jefferson Silva"]
[Black "Zanzini, Matheus Gibbin"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "1579"]
[PlyCount "57"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Kg2 0-0 11. Nf3 Nbd7 12. Qc2 Qa5 13. Re1 Ne8 14. Bg5 Bxc3 15. Qxc3 Qxc3 16. bxc3 f6 17. Be3 Ra3 18. Reb1 Rxc3 19. Rb7 Ne5 20. Nxe5 fxe5 21. Rxe7 Nf6 22. Rb1 Ra3 23. Bh6 Re8 24. Rxe8+ Nxe8 25. Rb8 Kf7 26. Rb7+ Kg8 27. Re7 Nf6 28. Rg7+ Kf8 29. Rxh7+ 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.09"]
[Round "2"]
[White "De Almeida, Jefferson Silva"]
[Black "Dias, Romulo Alves"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "1579"]
[PlyCount "49"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Na6 8. 0-0 Nc5 9. Qc2 a5 10. Be3 Ncd7 11. h3 Kh8 12. Rac1 b6 13. Nd2 Ng8 14. f3 Ne7 15. Rfd1 f5 16. Nf1 f4 17. Bf2 g5 18. Nh2 Ng6 19. a3 Rg8 20. b4 axb4 21. axb4 Bf8 22. Kh1 Nf6 23. Rg1 h5 24. g4 fxg3 25. Rxg3 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.09"]
[Round "1"]
[White "Lopes, Roberto Juliano Jr"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2013"]
[BlackElo "1579"]
[PlyCount "51"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Qd3 c6 5. 0-0-0 g6 6. f3 Bg7 7. e4 0-0 8. e5 Ne8 9. Be3 f6 10. f4 fxe5 11. dxe5 Nb6 12. h3 Nc4 13. Qxc4 Bf5 14. Qb3 b6 15. Nf3 Nc7 16. g4 Be6 17. Ng5 h6 18. Nxe6 Nxe6 19. Ne2 Nc7 20. Qd3 Qe8 21. h4 Ne6 22. h5 d4 23. Nxd4 Nxf4 24. Qe4 g5 25. Nf5 Qf7 26. Rg1 1-0

[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2012.10.16"]
[Round "5"]
[White "De Almeida, Jefferson Silva"]
[Black "Pinto, Ana Vitoria de Jesu"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "1559"]
[BlackElo "1754"]
[PlyCount "91"]
[EventDate "2012.09.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 0-0 6. e3 c6 7. Bd3 Nbd7 8. 0-0 Nb6 9. c5 Nbd7 10. Qc2 h6 11. Bxf6 Nxf6 12. h3 Qc7 13. Rfe1 b6 14. b4 Re8 15. Rab1 b5 16. a4 a6 17. Qa2 Bb7 18. a5 Rad8 19. Qe2 Bf8 20. Ne5 Nd7 21. f4 Nxe5 22. fxe5 Qe7 23. Qf3 f6 24. Bg6 f5 25. Bxe8 Qxe8 26. Ne2 Be7 27. Nf4 Bg5 28. Nh5 Bc8 29. Re2 Bd7 30. g3 Qf7 31. h4 Be7 32. Rg2 Rf8 33. Nf4 Bd8 34. Rf1 Kh7 35. h5 Bg5 36. Nh3 Be7 37. Rgf2 Be8 38. Nf4 Bg5 39. Ng6 Rg8 40. g4 Bd7 41. Qe2 Re8 42. gxf5 exf5 43. Qd3 Be6 44. Rxf5 Bxf5 45. Rxf5 Qe6 46. Nf8+ 1-0

[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2012.10.16"]
[Round "6"]
[White "De Souza Dias, Marcelo"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1880"]
[BlackElo "1559"]
[PlyCount "77"]
[EventDate "2012.09.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 c5 7. 0-0 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. Rc1 Ne5 11. h3 Nc6 12. Qd2 Re8 13. Rfd1 b6 14. f3 Qc8 15. Nxc6 Bxc6 16. Nd5 Qd7 17. e5 Nxd5 18. cxd5 Bb7 19. e6 fxe6 20. dxe6 Qd8 21. Bd4 Rf8 22. Bxg7 Kxg7 23. Rc4 Ba6 24. Rh4 Bxe2 25. Qxe2 Rf5 26. Qd2 Kh8 27. Qd4+ Kg8 28. Qe3 Qf8 29. b4 Qg7 30. Rc4 Re5 31. Qd4 Rxe6 32. Qd5 Qe5 33. Qxa8+ Kg7 34. Re4 Qf5 35. Rxe6 Qxe6 36. Qd5 Qe3+ 37. Kf1 Qa3 38. Qd4+ Kh6 39. Qh4+ 1-0

[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2012.09.15"]
[Round "4"]
[White "De Almeida, Jefferson Silva"]
[Black "Barbosa, Rayssa A Ichimura G"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "1559"]
[BlackElo "1812"]
[PlyCount "59"]
[EventDate "2012.09.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bg5 Be7 6. e4 0-0 7. d5 c6 8. Be2 Nc5 9. Bxf6 Bxf6 10. 0-0 Re8 11. b4 Nd7 12. dxc6 bxc6 13. Qxd6 Re6 14. Qd3 Qe7 15. c5 a5 16. a3 Ba6 17. Qc2 Bb7 18. Nd2 Qd8 19. Rfd1 Qc7 20. Nc4 Ba6 21. Nxa5 Bxe2 22. Qxe2 Nxc5 23. Qc4 Na6 24. Rd3 c5 25. Nd5 Qc8 26. Rad1 cxb4 27. Nxf6+ Rxf6 28. Qxc8+ Rxc8 29. Rd8+ Rxd8 30. Rxd8# 1-0

[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2012.09.15"]
[Round "3"]
[White "Lobo, Marcelo de Souza"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1795"]
[BlackElo "1559"]
[PlyCount "48"]
[EventDate "2012.09.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nc6 5. Bb5 Bd7 6. Ne2 Nge7 7. dxc5 Qa5 8. Bxc6 bxc6 9. b4 Qc7 10. 0-0 Ng6 11. Bb2 a5 12. a3 Be7 13. c4 0-0 14. Ng3 Nf4 15. Nh5 f6 16. Qg4 Ng6 17. f4 f5 18. exf5 exf5 19. Qf3 Bf6 20. Nxf6+ Rxf6 21. Bxf6 gxf6 22. cxd5 cxd5 23. Qxd5+ Kg7 24. Qxa8 Nxf4 1-0

[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2012.09.14"]
[Round "2"]
[White "De Almeida, Jefferson Silva"]
[Black "Cadilhac, Igor Tokuichi Kikuc"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1559"]
[BlackElo "1832"]
[PlyCount "64"]
[EventDate "2012.09.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 d6 7. e4 g6 8. a4 Bg7 9. f3 Nbd7 10. a5 Qc7 11. Nge2 0-0 12. Qc2 Rb8 13. Ng3 e6 14. Bc4 Ne5 15. b3 Nxc4 16. bxc4 exd5 17. cxd5 Nd7 18. 0-0 Ne5 19. Rb1 Rxb1 20. Nxb1 Qxa5 21. Bd2 Qb6 22. Na3 Bd7 23. Rb1 Bb5 24. Ne2 c4+ 25. Kh1 Nd3 26. Be1 Nxe1 27. Rxe1 Qa5 28. Qc1 Bb2 29. Nxc4 Bxc4 30. Qxc4 Qxe1+ 31. Ng1 Qd1 32. Qe2 Qxe2 0-1

[Event "Mogi das Cruzes op 08"]
[Site "Mogi das Cruzes"]
[Date "2012.09.02"]
[Round "5"]
[White "De Almeida, Jefferson Silva"]
[Black "Lima, Igor Cirineu De Bar"]
[Result "1-0"]
[ECO "D09"]
[WhiteElo "1559"]
[BlackElo "1800"]
[PlyCount "51"]
[EventDate "2012.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Nge7 6. e3 Ng6 7. exd4 Bg4 8. Bg2 Nxd4 9. Qxd4 Bxf3 10. Qxd8+ Rxd8 11. Bxf3 Nxe5 12. Be2 Bd6 13. 0-0 0-0 14. Be3 Rfe8 15. Nc3 c6 16. Bxa7 c5 17. Bb6 Ra8 18. Ne4 Nxc4 19. Nxd6 Nxd6 20. Rfe1 Rec8 21. a4 Rc6 22. a5 f5 23. Bf3 Ne4 24. Bxe4 fxe4 25. Rxe4 Rcc8 26. Re7 1-0

[Event "Mogi das Cruzes op 08"]
[Site "Mogi das Cruzes"]
[Date "2012.09.02"]
[Round "6"]
[White "De Souza, Renato Canil"]
[Black "De Almeida, Jefferson Silva"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "1761"]
[BlackElo "1559"]
[PlyCount "40"]
[EventDate "2012.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ne2 c5 6. c3 cxd4 7. cxd4 Nb6 8. Nf3 Nc6 9. Ng3 Be7 10. Be2 f6 11. exf6 Bxf6 12. Nh5 0-0 13. Nxf6+ gxf6 14. Bh6 Rf7 15. g4 Ne7 16. h4 Kh8 17. g5 Ng8 18. Rg1 Nxh6 19. gxh6 Rf8 20. Rg7 Rg8 1/2-1/2

[Event "Mogi das Cruzes op 08"]
[Site "Mogi das Cruzes"]
[Date "2012.09.01"]
[Round "3"]
[White "De Almeida, Jefferson Silva"]
[Black "Queiroz, Alberto Becker"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1559"]
[BlackElo "1941"]
[PlyCount "72"]
[EventDate "2012.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Qc2 Nd7 10. b4 f5 11. Ng5 Nf6 12. c5 h6 13. Ne6 Bxe6 14. dxe6 dxc5 15. exf5 cxb4 16. Ne4 Nxe4 17. Qxe4 Qd4 18. Qxd4 exd4 19. Rb1 c5 20. fxg6 Nxg6 21. a3 a5 22. Bc4 Kh8 23. f4 h5 24. Rb3 Bh6 25. Rh3 h4 26. e7 Nxe7 27. Rxh4 Kg7 28. g4 Ng6 29. Rh5 Bxf4 30. Re1 Bxc1 31. Rxc1 b6 32. Rg5 Rae8 33. h4 Re5 34. Rxe5 Nxe5 35. axb4 Nxc4 36. Rxc4 axb4 0-1

[Event "Mogi das Cruzes op 08"]
[Site "Mogi das Cruzes"]
[Date "2012.09.01"]
[Round "4"]
[White "Vicentin, Marcos Tadeu"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1847"]
[BlackElo "1559"]
[PlyCount "75"]
[EventDate "2012.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 e6 3. e3 Nf6 4. c4 c6 5. Nf3 Bd6 6. Be2 0-0 7. 0-0 Re8 8. d4 Nbd7 9. Nbd2 b6 10. Ne5 c5 11. Rc1 Bb7 12. f4 cxd4 13. exd4 dxc4 14. bxc4 Ne4 15. Bd3 Ndf6 16. Qe2 Nxd2 17. Qxd2 a6 18. Qe2 Qe7 19. Rc3 a5 20. Rb1 Bc7 21. a4 Rab8 22. Rb3 Bxe5 23. fxe5 Nd7 24. Qh5 g6 25. Qh6 Qf8 26. Qh4 Qe7 27. Qxe7 Rxe7 28. Ba3 Ree8 29. Bd6 Rbc8 30. Kf2 Ba6 31. Rc3 Rc6 32. Be4 Rxc4 33. Rxc4 Bxc4 34. Bc6 Rd8 35. Rc1 Bd5 36. Bxd7 Kg7 37. Bb5 f6 38. Be7 1-0

[Event "Mogi das Cruzes op 08"]
[Site "Mogi das Cruzes"]
[Date "2012.08.31"]
[Round "2"]
[White "Serafim, Arnor Jr"]
[Black "De Almeida, Jefferson Silva"]
[Result "1/2-1/2"]
[ECO "A23"]
[WhiteElo "1859"]
[BlackElo "1559"]
[PlyCount "48"]
[EventDate "2012.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 5. Nf3 d6 6. 0-0 Be6 7. b3 Qd7 8. d4 exd4 9. Nxd4 Bh3 10. Bg5 Bxg2 11. Kxg2 Ng4 12. Ne4 Na6 13. Nf3 f6 14. Bf4 0-0-0 15. a3 Qe6 16. Nxc5 Nxc5 17. b4 Ne4 18. h3 Ne5 19. Qa4 Qxc4 20. Qxa7 Qxe2 21. Nxe5 fxe5 22. Rfe1 Qxf2+ 23. Qxf2 Nxf2 24. Kxf2 exf4 1/2-1/2

[Event "Sao Bernardo do Campo LXSBC op 4th"]
[Site "Sao Bernardo do Campo"]
[Date "2012.07.15"]
[Round "6"]
[White "De Almeida, Jefferson Silva"]
[Black "Eiji Honda, Helcio"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1742"]
[BlackElo "1800"]
[PlyCount "68"]
[EventDate "2012.07.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bf5 5. cxd5 cxd5 6. Qb3 b6 7. e3 a6 8. Be2 e6 9. 0-0 Bd6 10. h3 0-0 11. Nh4 Bg6 12. Nxg6 fxg6 13. Qc2 Nc6 14. Nxd5 Nxd5 15. Qxc6 Rc8 16. Qa4 a5 17. Bd2 Qh4 18. f4 g5 19. Be1 Qh6 20. Bg3 gxf4 21. exf4 Bxf4 22. Bxf4 Rxf4 23. Rf3 Qf6 24. Rxf4 Qxf4 25. Bg4 Qe3+ 26. Kh2 Rf8 27. Qd7 Nf4 28. Qc6 h5 29. Bf3 h4 30. Qc3 Qf2 31. Qe1 Qxd4 32. Qxh4 Qf6 33. Qxf6 gxf6 34. Rd1 Kf7 1/2-1/2

[Event "Sao Bernardo do Campo LXSBC op 4th"]
[Site "Sao Bernardo do Campo"]
[Date "2012.07.15"]
[Round "5"]
[White "Oliveira, Guilherme Martins"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "1704"]
[BlackElo "1742"]
[PlyCount "85"]
[EventDate "2012.07.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 0-0 6. e3 c5 7. Bxf6 Bxf6 8. Nxd5 Qa5+ 9. Qd2 Qd8 10. Nxf6+ exf6 11. d5 Bg4 12. Be2 Nd7 13. h3 Bxf3 14. Bxf3 Ne5 15. Be2 f5 16. h4 h5 17. g3 Qe8 18. b3 a6 19. 0-0 b5 20. Qc2 bxc4 21. bxc4 Qd8 22. Qc3 Qf6 23. Rfc1 Qd6 24. Rab1 Rfe8 25. Rb7 Nd7 26. Bf3 Re7 27. Rcb1 Rae8 28. Kg2 f6 29. Bd1 Re5 30. Ba4 R8e7 31. Bxd7 Rxd7 32. Rxd7 Qxd7 33. f4 Re4 34. Qxf6 Rxe3 35. Rb8+ Re8 36. Qxg6+ Kf8 37. Rxe8+ Qxe8 38. Qxe8+ Kxe8 39. Kf3 Kd7 40. Ke3 Kd6 41. Kd3 a5 42. Kc3 a4 43. Kb2 1-0

[Event "Sao Bernardo do Campo LXSBC op 4th"]
[Site "Sao Bernardo do Campo"]
[Date "2012.07.14"]
[Round "3"]
[White "De Almeida, Jefferson Silva"]
[Black "Dinegri, Rodrigo"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1742"]
[BlackElo "1631"]
[PlyCount "65"]
[EventDate "2012.07.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bf5 5. Nh4 Bg6 6. Nxg6 hxg6 7. Qc2 Nbd7 8. e4 dxe4 9. Nxe4 Nxe4 10. Qxe4 Nf6 11. Qd3 e6 12. a3 a5 13. Be2 Be7 14. 0-0 Qc7 15. g3 Rd8 16. Rd1 Qd7 17. Bf1 Ng4 18. h3 Nh6 19. Bxh6 Rxh6 20. Qf3 Bf6 21. d5 cxd5 22. cxd5 exd5 23. a4 Kf8 24. Ra2 b6 25. b3 d4 26. Rc2 Rc8 27. Rxc8+ Qxc8 28. Qd5 Rh5 29. Qd6+ Kg8 30. Qxb6 Qc3 31. Qb8+ Kh7 32. Qb6 Qxb3 33. Qxb3 1-0

[Event "Sao Bernardo do Campo LXSBC op 4th"]
[Site "Sao Bernardo do Campo"]
[Date "2012.07.14"]
[Round "4"]
[White "Nascimento, Jose Eduardo Campos"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "D92"]
[WhiteElo "1877"]
[BlackElo "1742"]
[PlyCount "69"]
[EventDate "2012.07.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 a6 6. cxd5 Nxd5 7. Bg3 Nxc3 8. bxc3 0-0 9. e4 c5 10. Be2 Qa5 11. 0-0 Qxc3 12. Rc1 Qa5 13. Rxc5 Qxa2 14. Bc4 Qa3 15. Qc2 Nd7 16. Rc7 b5 17. Bd5 Rb8 18. Rc3 Qa4 19. Bb3 Qa5 20. Bxb8 Qd8 21. Bc7 Qe8 22. Ba5 Nf6 23. e5 Bf5 24. Qe2 Nh5 25. Rfc1 Bh6 26. Nh4 Bxc1 27. Nxf5 Nf4 28. Qc2 Qa8 29. Rg3 Kh8 30. Kf1 gxf5 31. Qxc1 Qe4 32. Qc2 Qxd4 33. Bc3 Qc5 34. e6+ f6 35. Bxf6+ 1-0

[Event "Sao Bernardo do Campo LXSBC op 4th"]
[Site "Sao Bernardo do Campo"]
[Date "2012.07.13"]
[Round "1"]
[White "De Almeida, Jefferson Silva"]
[Black "Tamarozi, Isabelle"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1742"]
[BlackElo "1697"]
[PlyCount "52"]
[EventDate "2012.07.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. d5 Nc5 9. Qc2 a5 10. h3 h6 11. Be3 Nh5 12. Qd2 Kh7 13. Bd1 Nxe4 14. Nxe4 f5 15. Nc3 f4 16. Re1 fxe3 17. Rxe3 Rf4 18. Re4 Bf5 19. Rxf4 Nxf4 20. Bc2 Bxc2 21. Qxc2 Qf6 22. Kh2 Rf8 23. Rf1 Nxg2 24. Kxg2 Qxf3+ 25. Kh2 Qf4+ 26. Kg2 Qxc4 0-1

[Event "Sao Bernardo do Campo LXSBC op 4th"]
[Site "Sao Bernardo do Campo"]
[Date "2012.07.13"]
[Round "2"]
[White "De Souza, Eduardo Pereira"]
[Black "De Almeida, Jefferson Silva"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1800"]
[BlackElo "1742"]
[PlyCount "86"]
[EventDate "2012.07.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bb4 5. Nf3 Bxc3 6. dxc3 0-0 7. 0-0 d6 8. Bg5 h6 9. Bh4 g5 10. Nxg5 hxg5 11. Bxg5 Kg7 12. Qd2 Rh8 13. h4 Ne7 14. Bxf6+ Kxf6 15. Qg5+ Ke6 16. Bh3+ f5 17. Bxf5+ Nxf5 18. Qxd8 Rxd8 19. Rad1 Rg8 20. Kh2 Bd7 21. Rd3 Rg7 22. Rfd1 Rh8 23. c5 Ke7 24. f4 e4 25. Rd5 Ne3 26. cxd6+ cxd6 27. Rxd6 Nxd1 28. Rxd1 Bg4 29. Rd4 Kf6 30. Rxe4 Re7 31. Rb4 Rxe2+ 32. Kg1 Rd8 33. Rd4 Rxd4 34. cxd4 Rxb2 35. a4 Ra2 36. d5 Rxa4 37. Kf2 Rd4 38. Ke3 Rxd5 39. Ke4 Rd8 40. h5 a5 41. f5 Bxh5 42. g4 Bxg4 43. Kf4 Bh5 0-1

[Event "Mogi das Cruzes op 06"]
[Site "Mogi das Cruzes"]
[Date "2012.06.24"]
[Round "6"]
[White "Aragao Neto, Joao Batista"]
[Black "De Almeida, Jefferson Silva"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "1835"]
[BlackElo "1742"]
[PlyCount "78"]
[EventDate "2012.06.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. d3 h6 8. c3 d6 9. h3 0-0 10. Nbd2 Nb8 11. Re1 Nbd7 12. Nf1 Bb7 13. Ng3 d5 14. exd5 Re8 15. c4 c6 16. dxc6 Bxc6 17. Be3 Bb4 18. Bd2 Bxf3 19. gxf3 Bc5 20. Be3 Bb4 21. Re2 Nc5 22. Bc2 Ne6 23. a3 Ba5 24. b3 Bc7 25. c5 Nd5 26. Qd2 Nef4 27. Nf5 Qg5+ 28. Ng3 Nxe2+ 29. Qxe2 Qh4 30. Qf1 Nf4 31. Kh2 e4 32. Bxf4 Qxf4 33. fxe4 Re5 34. d4 Rg5 35. Kh1 Qd2 36. Qe2 Qxd4 37. Rd1 Qc3 38. Rd3 Qf6 39. Rf3 Qa1+ 1/2-1/2

[Event "Mogi das Cruzes op 06"]
[Site "Mogi das Cruzes"]
[Date "2012.06.24"]
[Round "5"]
[White "De Almeida, Jefferson Silva"]
[Black "Nakata, Thifanni Harumi"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1742"]
[BlackElo "1800"]
[PlyCount "57"]
[EventDate "2012.06.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 Nbd7 7. e4 Nxb6 8. Nf3 g6 9. Be2 Bg7 10. h3 0-0 11. 0-0 Bd7 12. Qc2 Qc7 13. Bg5 Rfc8 14. a4 Be8 15. Rfe1 Kf8 16. Nd2 Rcb8 17. Bf3 Nbd7 18. Bf4 Ng8 19. Nc4 Ne5 20. Bxe5 Bxe5 21. Nxe5 dxe5 22. Red1 Rb4 23. d6 Qb7 24. dxe7+ Nxe7 25. Nd5 Rxb2 26. Qc1 Nxd5 27. Rxd5 Rb8 28. Qxc5+ Kg7 29. Kh2 1/2-1/2

[Event "Mogi das Cruzes op 06"]
[Site "Mogi das Cruzes"]
[Date "2012.06.23"]
[Round "3"]
[White "De Almeida, Jefferson Silva"]
[Black "De Moraes, Luiz Gustavo"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "1742"]
[BlackElo "1800"]
[PlyCount "81"]
[EventDate "2012.06.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 Bd7 7. cxd5 Nxd5 8. Nxd5 exd5 9. Bf4 Nc6 10. Bd3 h6 11. 0-0 Bf6 12. a3 a6 13. Rc1 Rc8 14. Qb3 Be6 15. Qxb7 Na5 16. Qb4 Nc4 17. Bxc4 dxc4 18. Nd2 Bd5 19. Nxc4 Be7 20. Qa5 Bb7 21. Ne5 Bd6 22. Nd3 Bxf4 23. Nxf4 Qd6 24. Qc5 Qd7 25. f3 c6 26. Nh5 Qe6 27. e4 Rfd8 28. Rfd1 Qg6 29. Ng3 Qg5 30. Nf5 Rd7 31. Qe5 Rcd8 32. Rc4 Qf6 33. Qxf6 gxf6 34. Nxh6+ Kh7 35. Nf5 Kg6 36. Rc5 Rc8 37. Rd3 Rh8 38. f4 Kh7 39. Rg3 Rg8 40. Rh3+ Kg6 41. Rh6# 1-0

[Event "Mogi das Cruzes op 06"]
[Site "Mogi das Cruzes"]
[Date "2012.06.23"]
[Round "4"]
[White "Gomes, Rodrigo Sato"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1800"]
[BlackElo "1742"]
[PlyCount "73"]
[EventDate "2012.06.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 b5 6. Bb3 Bc5 7. d3 0-0 8. 0-0 d6 9. Bg5 Be6 10. Nd5 Bxd5 11. Bxd5 Qd7 12. Bxf6 gxf6 13. Nh4 Kh8 14. Nf5 Rg8 15. Bxc6 Qxc6 16. Ne7 Qd7 17. Nxg8 Rxg8 18. Qf3 Rg6 19. Kh1 c6 20. Qf5 Qxf5 21. exf5 Rg5 22. f4 Rxf5 23. fxe5 Rxe5 24. Rae1 Kg7 25. Rxe5 fxe5 26. g3 Kg6 27. Kg2 f5 28. Kf3 d5 29. g4 f4 30. c3 Bd6 31. Rg1 h6 32. h4 b4 33. cxb4 Bxb4 34. Rc1 c5 35. a3 e4+ 36. dxe4 dxe4+ 37. Kxe4 1-0

[Event "Mogi das Cruzes op 06"]
[Site "Mogi das Cruzes"]
[Date "2012.06.22"]
[Round "1"]
[White "De Almeida, Jefferson Silva"]
[Black "Pinto, Rendrex Lopes"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "1742"]
[BlackElo "1911"]
[PlyCount "102"]
[EventDate "2012.06.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nc3 cxd4 4. Qxd4 Nc6 5. Qd1 e6 6. e3 Be7 7. Bd3 0-0 8. Nf3 b6 9. 0-0 Bb7 10. a3 Rc8 11. Bd2 d6 12. Rc1 Re8 13. Ne4 Ne5 14. Nxf6+ Bxf6 15. Nxe5 Bxe5 16. Bc3 Qg5 17. g3 Qh6 18. Qe2 Bxc3 19. Rxc3 Qf6 20. Rfc1 Bf3 21. Qc2 h5 22. Be4 h4 23. Bxf3 Qxf3 24. Qd1 Qe4 25. Qd4 Qxd4 26. exd4 hxg3 27. fxg3 Kf8 28. b4 Ke7 29. c5 bxc5 30. dxc5 Kd7 31. b5 Rxc5 32. Rxc5 dxc5 33. Rxc5 Rc8 34. Rg5 g6 35. Rg4 Rc7 36. Rd4+ Ke8 37. h4 Rc3 38. Kg2 Rxa3 39. Rf4 f5 40. Rc4 Kd7 41. g4 Ke7 42. h5 gxh5 43. gxh5 Kf6 44. h6 Kg6 45. Rh4 Kh7 46. Rc4 Kxh6 47. Rc6 Rb3 48. Rc7 Kg5 49. Rxa7 e5 50. b6 e4 51. Kf2 Kf4 0-1

[Event "Mogi das Cruzes op 06"]
[Site "Mogi das Cruzes"]
[Date "2012.06.22"]
[Round "2"]
[White "Ponec, Josef"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2068"]
[BlackElo "1742"]
[PlyCount "27"]
[EventDate "2012.06.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Bc5 6. e5 Ne4 7. Qe2 d5 8. exd6 Bf5 9. Nbd2 0-0 10. Nxe4 Re8 11. Bxf7+ Kxf7 12. Neg5+ Kf8 13. Qc4 Bg6 14. Nh4 1-0

[Event "Osasco op"]
[Site "Osasco"]
[Date "2012.04.22"]
[Round "6"]
[White "De Almeida, Jefferson Silva"]
[Black "Brujin, Homero"]
[Result "1/2-1/2"]
[ECO "E10"]
[BlackElo "1581"]
[PlyCount "50"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 c6 4. Nc3 d6 5. e3 Be7 6. Bd3 0-0 7. 0-0 b6 8. Qc2 Nbd7 9. Bd2 d5 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Nf6 13. Bxc6 Rb8 14. Bf4 Bd6 15. Bg5 Bb7 16. Bxb7 Rxb7 17. Ne5 Rc7 18. Qa4 h6 19. Bh4 g5 20. Bg3 Ne4 21. Nc6 Qe8 22. Bxd6 Nxd6 23. d5 Nxc4 24. Qxc4 exd5 25. Qxd5 Qxc6 1/2-1/2

[Event "Osasco op"]
[Site "Osasco"]
[Date "2012.04.22"]
[Round "5"]
[White "Marques, Arthur Gretter"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "E87"]
[PlyCount "95"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 e5 8. d5 Nh5 9. g4 Nf4 10. Bxf4 exf4 11. 0-0-0 Nc5 12. Bd3 Qf6 13. Nge2 a6 14. Qxf4 Qxf4+ 15. Nxf4 Bh6 16. Nce2 Bd7 17. Kb1 b5 18. cxb5 Nxd3 19. Nxd3 Bxb5 20. Nc3 Bg7 21. Nxb5 axb5 22. Rc1 Rfc8 23. Nb4 Ra4 24. Nc6 Bf6 25. h4 h6 26. a3 Kg7 27. h5 Bg5 28. Rc2 Be3 29. Ne7 Rca8 30. hxg6 Bg5 31. Rxc7 Bxe7 32. Rxe7 Kxg6 33. Rd7 R4a6 34. Rh5 b4 35. axb4 Rb8 36. f4 Rxb4 37. f5+ Kf6 38. Rxh6+ Kg5 39. Rhxd6 Rxd6 40. Rxd6 Rxe4 41. Rd7 f6 42. Rg7+ Kh6 43. Rg6+ Kh7 44. d6 Rd4 45. Rxf6 Kg7 46. g5 Rd5 47. Kc2 Rc5+ 48. Kd3 1-0

[Event "Osasco op"]
[Site "Osasco"]
[Date "2012.04.21"]
[Round "4"]
[White "De Almeida, Jefferson Silva"]
[Black "Sampaio, Douglas Jr"]
[Result "0-1"]
[ECO "E10"]
[BlackElo "1787"]
[PlyCount "113"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 c5 3. Nf3 Nf6 4. Bg5 cxd4 5. Qxd4 Nc6 6. Qd1 Qa5+ 7. Bd2 Qd8 8. Nc3 d5 9. e3 Be7 10. Bd3 Nb4 11. Be2 dxc4 12. Bxc4 Nd3+ 13. Bxd3 Qxd3 14. Qb1 Qxb1+ 15. Rxb1 0-0 16. Rg1 Bd7 17. Ng5 Rfd8 18. Ke2 Be8 19. Rgd1 b5 20. b4 Nd5 21. a3 Nb6 22. Kf1 f6 23. Nf3 Nc4 24. Rb3 e5 25. Bc1 Bf7 26. Rb1 a6 27. Nd2 Rac8 28. Ke1 Nxa3 29. Bxa3 Rxc3 30. Ra1 Rxa3 31. Rxa3 Bxb4 32. Rxa6 Bb3 33. Raa1 Bxd1 34. Rxd1 Kf7 35. Ke2 Rxd2+ 36. Rxd2 Bxd2 37. Kxd2 Ke6 38. Kc3 Kd5 39. Kb4 Kc6 40. g4 g6 41. h4 f5 42. gxf5 gxf5 43. f4 e4 44. h5 h6 45. Kc3 Kc5 46. Kb3 b4 47. Kb2 Kc4 48. Kc2 b3+ 49. Kb2 Kd3 50. Kxb3 Kxe3 51. Kc3 Kxf4 52. Kd4 Kg4 53. Ke5 Kxh5 54. Kf4 Kh4 55. Ke3 Kg3 56. Ke2 Kg2 57. Ke3 0-1

[Event "Osasco op"]
[Site "Osasco"]
[Date "2012.04.21"]
[Round "3"]
[White "Silva, Vinicius Parente"]
[Black "De Almeida, Jefferson Silva"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1417"]
[PlyCount "55"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 d6 5. e3 0-0 6. Nf3 Nbd7 7. Bd3 c5 8. 0-0 cxd4 9. exd4 Nb6 10. Qc2 Bg4 11. Nh4 h6 12. Be3 g5 13. Nf3 Bxf3 14. gxf3 Qd7 15. Bf5 e6 16. Bd3 Rac8 17. b3 Qc6 18. Ne4 d5 19. Nxf6+ Bxf6 20. c5 Nd7 21. Qe2 a6 22. f4 Rfe8 23. fxg5 hxg5 24. Qh5 Kf8 25. Qh6+ Ke7 26. Bxg5 Bxg5 27. Qxg5+ Nf6 28. Qf4 1/2-1/2

[Event "Osasco op"]
[Site "Osasco"]
[Date "2012.04.20"]
[Round "2"]
[White "De Almeida, Jefferson Silva"]
[Black "Da Silva, Robson Batista"]
[Result "1/2-1/2"]
[ECO "A85"]
[BlackElo "1703"]
[PlyCount "115"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. Nc3 Bb4 5. Bd2 Bxc3 6. Bxc3 b6 7. e3 Bb7 8. Be2 0-0 9. 0-0 d6 10. Ng5 Qe8 11. d5 e5 12. f3 Bc8 13. Bd3 h6 14. Nh3 a5 15. Nf2 Na6 16. e4 f4 17. a3 a4 18. Bc2 Nc5 19. Nd3 Nxd3 20. Bxd3 Bd7 21. Re1 Qh5 22. Re2 g5 23. h3 Kh7 24. Rf2 Qh4 25. Kf1 g4 26. hxg4 Bxg4 27. Ke2 Bd7 28. Qh1 Qg5 29. Be1 Nh5 30. Rf1 Rg8 31. Rg1 Ng3+ 32. Bxg3 fxg3 33. Rge1 Raf8 34. Kd1 Rf4 35. Qg1 Rh4 36. Qe3 Qxe3 37. Rxe3 Rh1+ 38. Re1 Rh2 39. Rg1 Rf8 40. Kc2 Rxf3 41. Kc3 Rf2 42. Raf1 Kg6 43. Bc2 h5 44. Bd1 h4 45. Bf3 h3 46. gxh3 Rxf1 47. Rxf1 Bxh3 48. Rg1 g2 49. Kd3 Kg5 50. Ke2 Kf4 51. Kf2 b5 52. cxb5 Rh1 53. Rxh1 gxh1Q 54. Bxh1 Bd7 55. Ke2 Bxb5+ 56. Kd2 c6 57. dxc6 Bxc6 58. Kd3 1/2-1/2

[Event "Osasco op"]
[Site "Osasco"]
[Date "2012.04.20"]
[Round "1"]
[White "Tashima, Vanessa Kelly"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "1925"]
[PlyCount "61"]
[EventDate "2012.04.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 0-0 7. 0-0-0 Re8 8. Qg3 Nxe4 9. Nxe4 Bxd2+ 10. Nxd2 Qf6 11. Ngf3 a6 12. Qg5 Qe6 13. Bc4 h6 14. Qf4 Qe7 15. Rhe1 Qf8 16. Qxc7 Rd8 17. Ne5 d5 18. Bb3 Nd4 19. Re3 Be6 20. Qb6 Nxb3+ 21. Nxb3 Rd6 22. Qd4 b6 23. Rc3 Qd8 24. Qf4 Qe8 25. Nd4 Qa4 26. Nxe6 Qxf4+ 27. Nxf4 d4 28. Rc6 Rd5 29. Nfd3 f6 30. Nf3 b5 31. Re1 1-0

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.21"]
[Round "6"]
[White "De Almeida, Jefferson Silva"]
[Black "Correia, Vitor Paie"]
[Result "0-1"]
[ECO "D37"]
[BlackElo "1504"]
[PlyCount "98"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. e3 0-0 6. c5 b6 7. b4 Bb7 8. Bd3 Nbd7 9. a3 c6 10. 0-0 Re8 11. h3 Qc7 12. Qc2 Bf8 13. Ng5 g6 14. Nf3 e5 15. dxe5 Nxe5 16. Nxe5 Rxe5 17. Bb2 Re6 18. Ne2 Bg7 19. Nf4 Ree8 20. Rfe1 a5 21. cxb6 Qxb6 22. Bd4 Qc7 23. bxa5 Rxa5 24. Qc3 Qd8 25. Qb2 Ba6 26. Bxa6 Rxa6 27. f3 Qb8 28. Qc3 Qd6 29. Reb1 Re7 30. Bc5 Qd7 31. Bxe7 Qxe7 32. Rb8+ Ne8 33. Qd3 Bxa1 34. Qxa6 Qxe3+ 35. Kh1 Qc1+ 36. Kh2 Qxf4+ 37. g3 Qxb8 38. Qxc6 Nf6 39. Kg2 Qb2+ 40. Kf1 Qxa3 41. Qc8+ Kg7 42. Ke2 Qb2+ 43. Kd1 d4 44. Qc1 Qxc1+ 45. Kxc1 Nh5 46. g4 Nf4 47. h4 Ng2 48. Kb1 Bc3 49. Kc2 Nxh4 0-1

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.20"]
[Round "4"]
[White "De Almeida, Jefferson Silva"]
[Black "De Assis, Henrique Zerbini J"]
[Result "0-1"]
[ECO "E21"]
[BlackElo "1735"]
[PlyCount "84"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Bxc3+ 5. bxc3 h6 6. e3 b6 7. Be2 0-0 8. 0-0 Ba6 9. Ba3 d6 10. Re1 Nbd7 11. h3 c5 12. Nd2 Bb7 13. Bf3 Qc7 14. Qc2 Rfe8 15. e4 e5 16. d5 Nf8 17. Nf1 Ng6 18. Bc1 Bc8 19. Ng3 Nh4 20. Re3 Bd7 21. Nh5 Nxf3+ 22. Rxf3 Nxh5 23. Qe2 Qd8 24. g4 Nf4 25. Bxf4 exf4 26. Rxf4 Qg5 27. Qf3 f6 28. a4 Qe5 29. Kg2 Kf7 30. Re1 g5 31. Rf5 Bxf5 32. gxf5 Ke7 33. Kf1 h5 34. Re3 Rh8 35. Qg2 Rag8 36. f3 Qf4 37. Qe2 g4 38. e5 fxe5 39. Qf2 g3 40. Qe2 g2+ 41. Ke1 g1Q+ 42. Kd2 Rg2 0-1

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.20"]
[Round "5"]
[White "Kojima, Gabriel Rogerio Agu"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "57"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Be7 5. e3 0-0 6. Bd3 Bb4+ 7. Nbd2 h6 8. Bxf6 Qxf6 9. 0-0 Nc6 10. a3 Bd6 11. Re1 b6 12. Qc2 Bb7 13. cxd5 exd5 14. Re2 a6 15. Rae1 Ne7 16. e4 dxe4 17. Nxe4 Bxe4 18. Bxe4 Rac8 19. Bb7 Rcd8 20. Bxa6 Nf5 21. Bd3 Nxd4 22. Nxd4 Qxd4 23. Bc4 Qf4 24. g3 Qg4 25. Re4 Qf5 26. Qe2 Qc8 27. Qh5 Qd7 28. Rg4 g6 29. Qxg6+ 1-0

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.19"]
[Round "3"]
[White "Pereira, Andre Marques"]
[Black "De Almeida, Jefferson Silva"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1867"]
[PlyCount "45"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. 0-0 Be7 7. c4 e5 8. Nf3 e4 9. Nd4 h6 10. cxd5 0-0 11. Nc3 Nxd5 12. Bxe4 Nxc3 13. bxc3 Qa5 14. Qb3 Nd7 15. Nf5 Qe5 16. Qc2 Nc5 17. Nxe7+ Qxe7 18. Bh7+ Kh8 19. c4 Ne6 20. Bb2 Ng5 21. Qc3 f6 22. Ba3 Qxe2 23. Qd3 1/2-1/2

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.18"]
[Round "1"]
[White "De Almeida, Jefferson Silva"]
[Black "Poeta, Caio Medeiros"]
[Result "0-1"]
[ECO "B14"]
[BlackElo "1931"]
[PlyCount "60"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 0-0 6. Bd2 cxd4 7. exd4 d5 8. a3 Be7 9. c5 Nc6 10. Bd3 b6 11. b4 bxc5 12. bxc5 a6 13. 0-0 Qc7 14. Re1 Rd8 15. Qc2 h6 16. h3 Bb7 17. Ne5 Nxd4 18. Qb1 Nc6 19. Nxf7 Kxf7 20. Bg6+ Kg8 21. Rxe6 Nd4 22. Rxf6 Bxf6 23. Bh7+ Kh8 24. Qg6 Nb3 25. Bxh6 Nxa1 26. Be3 d4 27. Qh5 dxe3 28. Bg6+ Kg8 29. Qh7+ Kf8 30. Qh8+ Ke7 0-1

[Event "BRA-ch U25"]
[Site "Sao Paulo"]
[Date "2012.02.18"]
[Round "2"]
[White "Rogani, Bruno"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1918"]
[PlyCount "91"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 Bg4 8. a4 a6 9. Qb3 0-0 10. Qd1 g5 11. Bg3 Nh5 12. Nbd2 Nxg3 13. hxg3 Qf6 14. Qe2 b5 15. Bd5 Bd7 16. b4 Ba7 17. Nf1 Rab8 18. axb5 Ne7 19. bxa6 Nxd5 20. exd5 e4 21. Nd4 Bxd4 22. cxd4 Qxd4 23. Rd1 exd3 24. Qxd3 Qxb4+ 25. Qd2 Rfe8+ 26. Ne3 Qe4 27. 0-0 Bb5 28. Rfe1 Bxa6 29. Qa5 Rb6 30. Rc1 Qb4 31. Qxb4 Rxb4 32. Rxc7 Rb5 33. Ra1 Rb7 34. Rc6 Bd3 35. Rxd6 Re5 36. Rxh6 Kg7 37. Rd6 Rb8 38. Rd7 Rh8 39. Raa7 Bg6 40. Re7 Rxe7 41. Rxe7 Rd8 42. f4 Kf6 43. Re5 gxf4 44. gxf4 Rb8 45. d6 Rb6 46. Nd5+ 1-0

[Event "Sao Paulo Sudeste op"]
[Site "Sao Paulo"]
[Date "2011.??.??"]
[Round "3"]
[White "Alves, Sidney David"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1534"]
[PlyCount "99"]
[EventDate "2011.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 b6 2. Nf3 Bb7 3. c4 e6 4. g3 h6 5. Bg2 d6 6. 0-0 Nd7 7. Nc3 a6 8. b3 g6 9. Bb2 Bg7 10. Qc2 Ne7 11. Rad1 g5 12. h3 Ng6 13. e4 0-0 14. Rfe1 Nf6 15. e5 Nh5 16. Ne4 d5 17. cxd5 Bxd5 18. Ned2 Rc8 19. Ba3 Re8 20. Rc1 Qd7 21. Re3 c6 22. Nc4 Bxc4 23. Qxc4 b5 24. Qe2 Bf8 25. Bb2 Ng7 26. Rec3 Bb4 27. R3c2 Ne7 28. Nd2 Nd5 29. Ne4 Be7 30. Nf6+ Bxf6 31. exf6 Nf5 32. Be4 Qd8 33. Rxc6 Qxf6 34. Rxc8 Rxc8 35. Rxc8+ Kg7 36. Bxd5 Nxd4 37. Qd1 Nf3+ 38. Qxf3 Qxb2 39. Qc3+ Qxc3 40. Rxc3 exd5 41. Rd3 Kf6 42. Rxd5 Ke6 43. Rd8 Kf6 44. Ra8 Ke5 45. Rxa6 f5 46. f3 h5 47. Kf2 h4 48. g4 Kf4 49. Rf6 b4 50. Rxf5# 1-0

[Event "Sao Paulo Sudeste op"]
[Site "Sao Paulo"]
[Date "2011.??.??"]
[Round "6"]
[White "Bigatto, Pedro Luiz"]
[Black "De Almeida, Jefferson Silva"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "80"]
[EventDate "2011.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 g6 5. Be3 Bg7 6. Nf3 d6 7. Qd2 Ne7 8. Bh6 Bf8 9. Bxf8 Rxf8 10. Qh6 Ng8 11. Qxh7 Nf6 12. Qh4 Qe7 13. 0-0-0 Nbd7 14. Rhe1 0-0-0 15. d5 Rh8 16. Qg5 Rh5 17. Qd2 e5 18. g3 Ng4 19. h4 f6 20. Qe2 Nc5 21. Bb5 Kb8 22. Nd2 Nh6 23. Qe3 Ng4 24. Qf3 Nh2 25. Qg2 Ng4 26. Be2 Bc8 27. f4 Ne3 28. Qg1 Nxd1 29. Bxh5 Nxc3 30. Bxg6 Nxa2+ 31. Kb1 Nb4 32. f5 Qd7 33. Re3 Qa4 34. Ra3 Qxc2+ 35. Ka1 Qxd2 36. Bh5 Ncd3 37. Rxd3 Nxd3 38. Qb1 Ba6 39. g4 Bc4 40. g5 Qa5+ 0-1

[Event "Sao Paulo Sudeste op"]
[Site "Sao Paulo"]
[Date "2011.??.??"]
[Round "4"]
[White "De Almeida, Jefferson Silva"]
[Black "Brujin, Homero"]
[Result "0-1"]
[ECO "A01"]
[BlackElo "1598"]
[PlyCount "98"]
[EventDate "2011.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 e6 3. e3 Bd7 4. Ne2 Nf6 5. h3 Bd6 6. d3 0-0 7. Nd2 c5 8. a3 Qc7 9. Bxf6 gxf6 10. g4 Nc6 11. Bg2 Ne7 12. Qc1 Ng6 13. h4 Bc6 14. Nf3 Ne5 15. Nxe5 fxe5 16. Ng3 e4 17. Nf1 f6 18. dxe4 dxe4 19. Qd1 Be5 20. Rb1 Bc3+ 21. Nd2 Rad8 22. 0-0 Rxd2 23. Qc1 Bb5 24. Bxe4 Bxf1 25. Qxf1 f5 26. Bd3 fxg4 27. Bc4 Kh8 28. Rd1 Qd6 29. Be2 g3 30. f3 Rxd1 31. Bxd1 Qd2 32. Be2 Qxe3+ 33. Kg2 Qf4 34. Kh3 Bf6 35. Qg1 Qxh4+ 36. Kg2 Bd4 37. Qh1 Qxh1+ 38. Kxh1 Rg8 39. Kg2 h5 40. Bc4 h4 41. Bxe6 Re8 42. Bc4 Re1 43. Bf1 Rc1 44. Bd3 a6 45. c4 a5 46. f4 Rc3 47. Be4 Rxb3 48. f5 Rxa3 49. f6 Bxf6 0-1

[Event "Sao Paulo Sudeste op"]
[Site "Sao Paulo"]
[Date "2011.??.??"]
[Round "2"]
[White "De Almeida, Jefferson Silva"]
[Black "Caceres, Elton Carlos"]
[Result "0-1"]
[ECO "A01"]
[BlackElo "1830"]
[PlyCount "100"]
[EventDate "2011.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c5 3. e3 Nc6 4. a3 Nf6 5. h3 e5 6. d3 b6 7. Nd2 Bb7 8. Ne2 Bd6 9. g3 h5 10. Bg2 Qe7 11. c4 d4 12. e4 Na5 13. Qc2 Nh7 14. b4 cxb4 15. axb4 Bxb4 16. 0-0 Nc6 17. Nf3 Bd6 18. Nh4 Bc8 19. Qa4 Bd7 20. Nf5 Qf6 21. Nxd6+ Qxd6 22. Ba3 Qc7 23. f4 f6 24. Rf2 g5 25. fxg5 fxg5 26. Raf1 0-0-0 27. Qa6+ Kb8 28. Rb1 Bc8 29. Qa4 Nf8 30. c5 Nd7 31. cxb6 Nxb6 32. Qb5 Bb7 33. Nc1 Ka8 34. Nb3 a6 35. Qc5 Na4 36. Qc2 Nc3 37. Rb2 Na7 38. Nc5 Bc8 39. Rf1 Ncb5 40. Rxb5 Nxb5 41. Qb3 Rh7 42. Qa4 Qb6 43. Rf5 Bxf5 44. exf5+ Ka7 45. Ne6 Rc8 46. Be4 Nxa3 47. Kh2 Qb2+ 48. Bg2 Rc2 49. Qxc2 Nxc2 50. f6 Ne1 0-1

[Event "Mogi das Cruzes op"]
[Site "Mogi das Cruzes"]
[Date "2011.??.??"]
[Round "2"]
[White "De Almeida, Jefferson Silva"]
[Black "Kurita, Rubens Massami"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "82"]
[EventDate "2011.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b3 Nc6 5. a3 Qc7 6. Bb2 d4 7. Bb5 Bd7 8. Qe2 Nge7 9. c3 a6 10. Bd3 dxc3 11. Bxc3 Ng6 12. Bxg6 hxg6 13. g4 Be7 14. d3 Rd8 15. Nbd2 Na5 16. Kf1 Bb5 17. Kg1 Rxd3 18. Bxa5 Qxa5 19. Nc4 Bxc4 20. bxc4 Qc3 21. Kg2 Qxc4 22. h3 0-0 23. Rac1 Qd5 24. Rcd1 c4 25. h4 Bxa3 26. Rd2 Bb4 27. Rb2 a5 28. Rc1 Ba3 29. Rbb1 Bxc1 30. Rxc1 b5 31. Rh1 c3 32. Re1 Rc8 33. h5 gxh5 34. gxh5 Rc4 35. Kg3 b4 36. Rh1 c2 37. h6 Rxf3+ 38. Kg2 Rg4+ 39. Kh2 Rh4+ 40. Kg2 Re3+ 41. Qf3 Qxf3+ 0-1

[Event "Sao Paulo Sudeste op"]
[Site "Sao Paulo"]
[Date "2011.??.??"]
[Round "7"]
[White "De Almeida, Jefferson Silva"]
[Black "Leite, Tarcisio Dantas Fro"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1706"]
[PlyCount "90"]
[EventDate "2011.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. e3 Bg7 4. Ne2 c5 5. Nbc3 a6 6. d3 Qc7 7. h3 Nc6 8. a3 b5 9. 0-0 Bb7 10. e4 0-0 11. Bf4 e5 12. Be3 Ne7 13. Bg5 h6 14. Bxf6 Bxf6 15. Qc1 Kh7 16. Nd5 Nxd5 17. exd5 c4 18. Qe3 d6 19. g4 Bc8 20. Ng3 Bg5 21. Qe4 f5 22. gxf5 Bxf5 23. Nxf5 gxf5 24. Qe2 Rg8 25. Kh1 Rg7 26. Rg1 Rag8 27. dxc4 bxc4 28. Qf3 Bf4 29. Qh5 Rg5 30. Qf3 Qg7 31. h4 Rg4 32. Qh3 e4 33. Rae1 Be5 34. Re3 Kh8 35. c3 Qf6 36. Rg3 Bxg3 37. fxg3 Rxg3 38. Qh2 e3 39. Re1 Rxg2 40. Qf4 e2 41. Qd4 Qxd4 42. cxd4 Rg1+ 43. Rxg1 Rxg1+ 44. Kxg1 e1Q+ 45. Kh2 Qxh4+ 0-1

[Event "Mogi das Cruzes op"]
[Site "Mogi das Cruzes"]
[Date "2011.??.??"]
[Round "4"]
[White "De Almeida, Jefferson Silva"]
[Black "Nakata, Thifanni Harumi"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "48"]
[EventDate "2011.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e4 Bc5 4. f4 d6 5. Bc4 Nf6 6. Nc3 0-0 7. f5 Na5 8. Qe2 Nxc4 9. Qxc4 Ng4 10. Nh3 Qh4+ 11. Ke2 Nf2 12. Nxf2 Qxf2+ 13. Kd3 c6 14. Raf1 Qh4 15. g3 Qf6 16. g4 b5 17. Nd5 bxc4+ 18. bxc4 cxd5 19. cxd5 Ba6+ 20. c4 Rac8 21. g5 Qxg5 22. Rf3 Bb6 23. Ke2 Bxc4+ 24. Kd1 Qg4 0-1

[Event "Mogi das Cruzes op"]
[Site "Mogi das Cruzes"]
[Date "2011.??.??"]
[Round "6"]
[White "De Carvalho, Vinicius Fonseca El"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "128"]
[EventDate "2011.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Bg4 4. Nc3 Nf6 5. h3 Bh5 6. g4 Bg6 7. Rg1 Bxe4 8. Nxe4 Nxe4 9. Qe2 d5 10. Bd3 Be7 11. Bxe4 dxe4 12. Qxe4 Nd7 13. b3 f6 14. Bb2 Nc5 15. Qe2 e4 16. Nh4 Qd6 17. Nf5 Qh2 18. 0-0-0 Rg8 19. Nxe7 Kxe7 20. d4 Qf4+ 21. Qd2 Qxd2+ 22. Rxd2 e3 23. fxe3 Ne4 24. Ba3+ Kf7 25. Rdg2 Rge8 26. h4 Nc3 27. Re1 Nxa2+ 28. Kb2 b5 29. Kxa2 a5 30. Kb2 b4 31. Rf2 bxa3+ 32. Kxa3 Re4 33. Rf4 Re6 34. g5 Raa6 35. e4 h5 36. gxf6 g6 37. d5 Re5 38. c4 c5 39. dxc6 Rxc6 40. Rd1 Rc7 41. Rd5 Rc5 42. Rxc5 Rxc5 43. b4 Rxc4 44. bxa5 Rc3+ 45. Kb4 Rc6 46. Kb5 Rxf6 47. Rxf6+ Kxf6 48. a6 g5 49. e5+ Kxe5 50. hxg5 h4 51. a7 Kf5 52. g6 Kxg6 53. a8Q Kg5 54. Qg8+ Kh5 55. Qh8+ Kg4 56. Qd4+ Kg3 57. Qe3+ Kg4 58. Qg1+ Kh3 59. Qh1+ Kg4 60. Kc4 h3 61. Qg1+ Kf3 62. Kd3 Kf4 63. Ke2 Ke4 64. Qg3 Kd4 1-0

[Event "Mogi das Cruzes op"]
[Site "Mogi das Cruzes"]
[Date "2011.??.??"]
[Round "3"]
[White "De Moraes, Luiz Gustavo"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "C26"]
[PlyCount "101"]
[EventDate "2011.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nge2 Bc5 4. d4 Bb6 5. Be3 Nc6 6. g3 d6 7. Bg2 Bg4 8. f3 Be6 9. Qd3 Qe7 10. 0-0 0-0-0 11. d5 Nb4 12. Qd2 Bxe3+ 13. Qxe3 Nxc2 14. Qd3 Nb4 15. Qd2 Bd7 16. Rfc1 Ne8 17. a3 Na6 18. a4 c6 19. Qc2 Nec7 20. Qb3 b6 21. dxc6 Be6 22. Nd5 Nxd5 23. exd5 Nc5 24. Qb5 Bxd5 25. Nc3 Bxc6 26. Qxc6+ Kb8 27. Nd5 Rc8 28. Nxe7 Rxc6 29. Nxc6+ Kb7 30. f4 d5 31. Bxd5 Kc7 32. Nxe5 Rd8 33. Bf3 f6 34. Ng4 Kb8 35. b4 Nb3 36. Rd1 Rc8 37. Rab1 Rc3 38. Bd5 b5 39. Bxb3 bxa4 40. Bxa4 h5 41. Nf2 g5 42. fxg5 fxg5 43. Ne4 Ra3 44. Bc6 g4 45. b5 Ra4 46. Ng5 Ra3 47. Ne6 a6 48. bxa6+ Ka7 49. Nc7 Rxa6 50. Nxa6 Kxa6 51. Rd8 1-0

[Event "Sao Paulo Sudeste op"]
[Site "Sao Paulo"]
[Date "2011.??.??"]
[Round "1"]
[White "Guimaraes, Artemis Pamela"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2016"]
[PlyCount "71"]
[EventDate "2011.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 g6 5. Bg5 Ne7 6. Bf6 Rg8 7. Ng5 Bg7 8. Nxh7 Bh6 9. Qf3 d6 10. Bxe7 Qxe7 11. Nf6+ Kf8 12. Nxg8 Kxg8 13. 0-0 Nd7 14. Qh3 Bg7 15. c3 Nf6 16. Nd2 Nh7 17. f4 Bc8 18. f5 e5 19. Qg3 g5 20. Nf3 f6 21. Bc4+ Kf8 22. Qh3 Bh8 23. dxe5 dxe5 24. Rad1 Bb7 25. Be6 Bc8 26. Qh6+ Bg7 27. Qxh7 Bxe6 28. fxe6 Qxe6 29. Nxg5 Qe7 30. Qf5 Qc5+ 31. Kh1 Qc4 32. Ne6+ Kg8 33. Nxg7 Kxg7 34. Rd7+ Kf8 35. Qxf6+ Kg8 36. Qg7# 1-0

[Event "Mogi das Cruzes op"]
[Site "Mogi das Cruzes"]
[Date "2011.??.??"]
[Round "1"]
[White "Santos, Maiara Eloa Garcia"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1630"]
[PlyCount "57"]
[EventDate "2011.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. Nf3 b6 2. g3 e6 3. Bg2 Bb7 4. 0-0 h6 5. c4 d6 6. b3 g6 7. Bb2 e5 8. d4 Nd7 9. dxe5 Bg7 10. Nc3 dxe5 11. e4 a6 12. Re1 Ngf6 13. Nd5 c6 14. Nxf6+ Bxf6 15. Qd2 g5 16. Bh3 Nc5 17. Qxd8+ Rxd8 18. Bxe5 Nd3 19. Bxf6 Nxe1 20. Rxe1 Bc8 21. Bxc8 Rxc8 22. Bxh8 Ke7 23. Bb2 c5 24. Rd1 f6 25. h4 g4 26. Nh2 h5 27. f3 Rd8 28. Rxd8 Kxd8 29. fxg4 1-0

[Event "Sao Paulo Sudeste op"]
[Site "Sao Paulo"]
[Date "2011.??.??"]
[Round "5"]
[White "Yokomizo, Wilton"]
[Black "De Almeida, Jefferson Silva"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "59"]
[EventDate "2011.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 b6 2. Nf3 Bb7 3. c4 Bxf3 4. exf3 e6 5. Nc3 a6 6. Bd3 Ne7 7. 0-0 g6 8. Bg5 Bg7 9. Be4 c6 10. Rc1 h6 11. Bh4 0-0 12. d5 g5 13. Bg3 f5 14. Bxb8 Qxb8 15. d6 Ng6 16. Bc2 Bxc3 17. bxc3 g4 18. fxg4 Qb7 19. gxf5 exf5 20. Qh5 Kg7 21. Rfe1 Rae8 22. Rxe8 Rxe8 23. Qxf5 Re6 24. c5 Qc8 25. g3 Qe8 26. cxb6 Qb8 27. Bb3 Rxd6 28. Qf7+ Kh8 29. Re1 Nf8 30. Qg8# 1-0

