[Event "Sao Paulo op-B U2050"]
[Site "Sao Paulo"]
[Date "2014.04.06"]
[Round "6"]
[White "Peres, Jefferson Silva Dos"]
[Black "Lopes, Marcelo Ferreira"]
[Result "1/2-1/2"]
[ECO "D50"]
[WhiteElo "1949"]
[BlackElo "2006"]
[PlyCount "159"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 d5 5. e3 c6 6. a3 Bxc3+ 7. bxc3 Qa5 8. Qc2 Ne4 9. Bf4 Qxc3+ 10. Qxc3 Nxc3 11. Rc1 Ne4 12. Bd3 Nf6 13. Nf3 0-0 14. 0-0 Nbd7 15. c5 Re8 16. Bd6 Nf8 17. Ne5 N6d7 18. Nxd7 Nxd7 19. Rfe1 Nf6 20. f3 Rd8 21. Bg3 Ne8 22. a4 f6 23. a5 Rd7 24. Rcd1 g5 25. e4 Ng7 26. exd5 cxd5 27. a6 bxa6 28. c6 Rf7 29. Rb1 Ne8 30. Rb8 Rxb8 31. Bxb8 Re7 32. f4 h6 33. Bg6 Nc7 34. fxg5 hxg5 35. Bxa7 Rg7 36. Bd3 Nb5 37. Bb6 Nc7 38. Rb1 e5 39. Ba5 e4 40. Be2 Bf5 41. g4 Be6 42. Rb7 Nb5 43. Bxb5 axb5 44. c7 Bxg4 45. Rxb5 Be6 46. Rb8+ Kh7 47. c8Q Bxc8 48. Rxc8 Rd7 49. Rc7 Rxc7 50. Bxc7 Kg6 51. Bd8 f5 52. h4 gxh4 53. Bxh4 Kh5 54. Bf6 Kg4 55. Kf2 f4 56. Be5 e3+ 57. Ke2 Kg3 58. Bd6 Kg4 59. Bb4 Kg3 60. Be1+ Kg2 61. Bh4 Kh3 62. Bg5 Kg4 63. Be7 Kg3 64. Bd6 Kg4 65. Bb4 Kg3 66. Be1+ Kg2 67. Bh4 Kh3 68. Bg5 Kg3 69. Be7 f3+ 70. Kxe3 f2 71. Bh4+ Kxh4 72. Kxf2 Kg4 73. Ke3 Kg3 74. Kd3 Kf3 75. Kc3 Ke3 76. Kc2 Kxd4 77. Kd2 Ke4 78. Ke2 Kf4 79. Kd3 Ke5 80. Ke3 1/2-1/2

[Event "Sao Paulo op-B U2050"]
[Site "Sao Paulo"]
[Date "2014.04.06"]
[Round "5"]
[White "Teshima, Ricardo Yoshida"]
[Black "Peres, Jefferson Silva Dos"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1781"]
[BlackElo "1949"]
[PlyCount "116"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. f4 c5 6. dxc5 Qa5 7. Bxf6 Bxf6 8. Nge2 Qxc5 9. Qd2 0-0 10. 0-0-0 Nc6 11. g4 Bxg4 12. h3 Bf3 13. Rh2 Bxc3 14. Qxc3 Qxc3 15. bxc3 Bxe4 16. Ng3 Bf5 17. h4 Be6 18. h5 Bg4 19. Rd5 f5 20. hxg6 hxg6 21. Bc4 Kg7 22. Rd3 Rh8 23. Rg2 Kf6 24. Re3 e5 25. fxe5+ dxe5 26. Ne4+ Ke7 27. Nf2 Bh5 28. Bd5 Kf6 29. Nd3 e4 30. Nf4 Rad8 31. Bc4 Na5 32. Be2 Bxe2 33. Nxe2 Rh1+ 34. Ng1 g5 35. Rh3 Rh8 36. Rxh8 Rxh8 37. Ne2 f4 38. Nd4 Nc4 39. Rg1 g4 40. Ne2 Kg5 41. Kd1 Rh2 42. a4 Ne3+ 43. Kd2 Nxc2 44. Kxc2 Rxe2+ 45. Kd1 f3 46. a5 Ra2 47. a6 bxa6 48. c4 Ra1+ 49. Kd2 Rxg1 50. c5 f2 51. Ke3 f1Q 52. Kd4 Qd3+ 53. Ke5 Qc3+ 54. Kd6 Rd1+ 55. Kc6 Qf6+ 56. Kc7 Qd8+ 57. Kb7 Qd7+ 58. Kxa6 Ra1# 0-1

[Event "Sao Paulo op-B U2050"]
[Site "Sao Paulo"]
[Date "2014.04.05"]
[Round "4"]
[White "Peres, Jefferson Silva Dos"]
[Black "Araujo, Renan Aparecido"]
[Result "0-1"]
[ECO "D51"]
[WhiteElo "1949"]
[BlackElo "1888"]
[PlyCount "113"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 Bb4 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Bd3 Qa5 10. Ne2 h6 11. Bf4 cxd4 12. exd4 0-0 13. Qb1 Re8 14. 0-0 Nh5 15. Bd6 Re6 16. Bb4 Qc7 17. a4 a5 18. Ba3 Nb6 19. Bc5 Nd7 20. Ba3 Nb6 21. Bc1 Bd7 22. Qb3 Rae8 23. Ng3 Nxg3 24. hxg3 Rc6 25. Bd2 Nc4 26. Bf4 Qc8 27. Rab1 g5 28. Bc1 Rb6 29. Qd1 Bg4 30. f3 Bf5 31. Rxb6 Nxb6 32. Bb5 Bd7 33. f4 Bxb5 34. axb5 Qxc3 35. fxg5 Re4 36. Qh5 Qxd4+ 37. Kh1 Qg7 38. gxh6 Qg6 39. Qf3 Nc4 40. Kg1 d4 41. Qd3 Ne3 42. Bxe3 dxe3 43. Qd8+ Kh7 44. Qd5 Re7 45. Qc5 Qe6 46. Qg5 f5 47. Re1 e2 48. Kf2 Qb6+ 49. Kf3 Qe6 50. Kf2 Qe5 51. Kg1 Qe3+ 52. Qxe3 Rxe3 53. Kf2 Rb3 54. Rxe2 Rxb5 55. Re6 a4 56. Kf3 a3 57. Re1 0-1

[Event "Sao Paulo op-B U2050"]
[Site "Sao Paulo"]
[Date "2014.04.05"]
[Round "3"]
[White "Sousa, Felipe Mazim De"]
[Black "Peres, Jefferson Silva Dos"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1736"]
[BlackElo "1949"]
[PlyCount "94"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. e3 d6 6. Be2 0-0 7. 0-0 Nc6 8. b3 Bd7 9. Bb2 h6 10. a3 e5 11. dxe5 Nxe5 12. c5 Ne4 13. Nxe4 Nxf3+ 14. Bxf3 Bxb2 15. Nxd6 cxd6 16. Rb1 Be5 17. Bxb7 Rb8 18. f4 Bf6 19. Qxd6 Qe7 20. Qxe7 Bxe7 21. c6 Bc8 22. Bxc8 Rfxc8 23. Rfc1 Bxa3 24. Rc4 a5 25. Rd1 Rc7 26. Rd5 Bb4 27. Rd7 Rbc8 28. Rcd4 Rxc6 29. Rb7 R6c7 30. Rb6 Bc5 31. Rxg6+ Kf7 32. Rxh6 Bxd4 33. exd4 Rc2 34. Ra6 Ra2 35. h3 Rb8 36. Ra7+ Ke6 37. h4 Rxb3 38. h5 Rg3 39. Kh2 Rgxg2+ 40. Kh3 Rh2+ 41. Kg3 Rxh5 42. Ra8 Ra3+ 43. Kg2 Rh7 44. Re8+ Re7 45. Rf8 Rb7 46. Re8+ Kd5 47. Re2 Kxd4 0-1

[Event "Sao Paulo op-B U2050"]
[Site "Sao Paulo"]
[Date "2014.04.04"]
[Round "2"]
[White "Peres, Jefferson Silva Dos"]
[Black "Lopes, Sergio Amadeus Leon"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1949"]
[BlackElo "1800"]
[PlyCount "113"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 c6 6. cxd5 exd5 7. Bd3 Be7 8. Qc2 h6 9. Bh4 0-0 10. Nge2 a5 11. 0-0 Nh5 12. Bxe7 Qxe7 13. Rae1 Nb6 14. Na4 Nxa4 15. Qxa4 Bd7 16. Qc2 f5 17. Nf4 Nxf4 18. exf4 Qb4 19. Qc3 Qxc3 20. bxc3 Rae8 21. Re5 Rxe5 22. fxe5 b6 23. Rb1 Rb8 24. f4 Kf7 25. Kf2 b5 26. a3 a4 27. c4 dxc4 28. Bxc4+ Be6 29. d5 Bxd5 30. Bxd5+ cxd5 31. Ke3 Ke6 32. Kd4 Rc8 33. Rxb5 Rc4+ 34. Ke3 Re4+ 35. Kf3 d4 36. Rb4 d3 37. Rb6+ Kd5 38. g4 fxg4+ 39. Kxg4 Kd4 40. Kf3 Re3+ 41. Kf2 Re2+ 42. Kf3 Rxh2 43. Rd6+ Kc3 44. f5 Re2 45. Kf4 d2 46. Rc6+ Kb2 47. Rd6 Kxa3 48. f6 gxf6 49. exf6 Rf2+ 50. Ke3 Rxf6 51. Rxd2 h5 52. Rd8 Rh6 53. Kd3 Ka2 54. Kc3 a3 55. Rd2+ Kb1 56. Rd1+ Ka2 57. Rd2+ 1/2-1/2

[Event "Sao Paulo op-B U2050"]
[Site "Sao Paulo"]
[Date "2014.04.03"]
[Round "1"]
[White "Hoshino, Meilin"]
[Black "Peres, Jefferson Silva Dos"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1451"]
[BlackElo "1949"]
[PlyCount "102"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 f5 5. Nf3 Nf6 6. Bg5 c6 7. e3 Be7 8. Bd3 0-0 9. 0-0 Ne4 10. Bxe7 Qxe7 11. h3 Nd7 12. Rc1 Rf6 13. a3 a5 14. Rb1 Nxc3 15. bxc3 Qxa3 16. Qc2 g6 17. c4 dxc4 18. Bxc4+ Kg7 19. e4 fxe4 20. Qxe4 Nf8 21. Qe5 b5 22. Bb3 Qd6 23. Rfc1 Bf5 24. Rb2 Nd7 25. Qxd6 Rxd6 26. Re1 Kf6 27. g4 Be6 28. g5+ Kf7 29. Bxe6+ Rxe6 30. d5 Rxe1+ 31. Nxe1 cxd5 32. Rxb5 Ke6 33. Nd3 a4 34. Rb1 a3 35. Ra1 Kf5 36. Nb4 Ke4 37. Kf1 Ra4 38. Nc2 a2 39. Ke2 Nc5 40. f3+ Kf4 41. Ne1 Nb3 42. Nd3+ Kxg5 43. Nb2 Nxa1 44. Nxa4 Nb3 45. Ke3 a1Q 46. f4+ Kf5 47. Nb6 Qd4+ 48. Kf3 Qxb6 49. Ke2 Ke4 50. Kd1 Qf2 51. h4 Qd2# 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.04"]
[Round "7"]
[White "De Sousa, Matheus Mazim"]
[Black "Peres, Jefferson Silva Dos"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2064"]
[BlackElo "1890"]
[PlyCount "131"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 d6 6. Nf3 0-0 7. 0-0 c6 8. d5 e5 9. dxc6 bxc6 10. b3 Re8 11. Bb2 Bb7 12. Na4 Na6 13. Rc1 e4 14. Nd4 Bh6 15. e3 Nb4 16. Ba3 Nd3 17. Rc3 Ng4 18. Nc2 Bg7 19. Rxd3 exd3 20. Qxd3 Bf8 21. Rd1 Ne5 22. Qc3 Qc7 23. f4 Nf7 24. Bb2 Rad8 25. h4 c5 26. h5 Bxg2 27. hxg6 hxg6 28. Qf6 Ne5 29. Kxg2 Bg7 30. Qg5 Ng4 31. Qxg6 Nxe3+ 32. Nxe3 Rxe3 33. Rd5 Re2+ 34. Kf3 Rde8 35. Be5 R2xe5 36. fxe5 Rxe5 37. Qxd6 Qxd6 38. Rxd6 Re1 39. Nxc5 Rf1+ 40. Ke2 Rg1 41. Kf3 Rxg3+ 42. Kxg3 Be5+ 43. Kf3 Bxd6 44. Nd3 Kf7 45. Ke3 Ke6 46. Kd4 a5 47. c5 Bc7 48. a3 Kd7 49. b4 Kc6 50. Kc4 axb4 51. axb4 f4 52. Ne1 Bd8 53. Nf3 Bf6 54. b5+ Kb7 55. Kd5 Be7 56. c6+ Kb6 57. Ke6 Bd8 58. Kd7 Bc7 59. Nd2 Bb8 60. Kc8 Kxb5 61. Kb7 Be5 62. Nf3 Bd6 63. Nd4+ Kc4 64. Nf5 Be5 65. Nh4 Kd3 66. Ng6 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.03"]
[Round "5"]
[White "Massarioli, Felipe Alvarenga"]
[Black "Peres, Jefferson Silva Dos"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "2032"]
[BlackElo "1890"]
[PlyCount "94"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. Nc3 Bg7 5. Qc2 c5 6. d5 0-0 7. Bg5 Na6 8. a3 d6 9. g3 Rb8 10. Rb1 h6 11. Bd2 g5 12. Bg2 Nc7 13. b4 e6 14. bxc5 dxc5 15. dxe6 Bxe6 16. 0-0 Nd7 17. Nb5 Nxb5 18. Rxb5 Qf6 19. Rb3 Qf7 20. Rc1 Nb6 21. Bc3 Nxc4 22. Bxg7 Qxg7 23. a4 b6 24. Rc3 Nd6 25. Ne1 f4 26. Qd3 Rbd8 27. Bd5 Nf7 28. Bxe6 Rxd3 29. Rxd3 Qe5 30. Bc4 Kh8 31. Nf3 Qf6 32. Rcd1 fxg3 33. hxg3 g4 34. Nh4 Ne5 35. Rd6 Qxf2+ 36. Kh1 Nxc4 37. Rxh6+ Kg7 38. Rg6+ Kh7 39. Rxg4 Ne3 40. Rd7+ Rf7 41. Rxf7+ Qxf7 42. Rf4 Qb3 43. Rf3 Qd1+ 44. Kh2 Qxe2+ 45. Kh3 c4 46. g4 c3 47. g5 Qxf3+ 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.03"]
[Round "6"]
[White "Peres, Jefferson Silva Dos"]
[Black "Branchini, Fernando Luis Sakam"]
[Result "1-0"]
[ECO "E85"]
[WhiteElo "1890"]
[BlackElo "1989"]
[PlyCount "111"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. Nge2 Nc6 8. d5 Ne7 9. Qd2 Ne8 10. g4 f5 11. gxf5 gxf5 12. 0-0-0 f4 13. Bf2 Nf6 14. Kb1 b6 15. Nc1 a5 16. h4 Nh5 17. Bh3 Bxh3 18. Rxh3 Bf6 19. Rg1+ Kf7 20. N1e2 Qd7 21. Rhh1 Rg8 22. Nb5 Rxg1+ 23. Rxg1 Rg8 24. Rxg8 Kxg8 25. Qd1 Ng6 26. Qh1 Bd8 27. b3 Kg7 28. Na7 Bf6 29. Nc6 Ne7 30. Qg2+ Kh8 31. Qg4 Qxg4 32. fxg4 Nxc6 33. dxc6 Ng7 34. Bxb6 Bxh4 35. Ng1 Ne6 36. Bxa5 Bd8 37. Nf3 Nc5 38. Nd2 Kg7 39. Bc3 Kg6 40. a4 Kg5 41. a5 Kxg4 42. b4 Na4 43. Kc2 h5 44. Kb3 Nb6 45. axb6 cxb6 46. c5 bxc5 47. bxc5 Bc7 48. Kc4 dxc5 49. Kd5 h4 50. Bxe5 h3 51. Nf1 Ba5 52. c7 Bxc7 53. Bxc7 Kf3 54. e5 Kg2 55. e6 Kxf1 56. Bxf4 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.02"]
[Round "4"]
[White "Peres, Jefferson Silva Dos"]
[Black "Stivanelli, Leonardo Alexandre"]
[Result "1-0"]
[ECO "D66"]
[WhiteElo "1890"]
[BlackElo "2062"]
[PlyCount "153"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 Nbd7 6. Rc1 c6 7. Nf3 0-0 8. Bd3 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. a3 a6 12. Ne4 Nxe4 13. Bxe7 Nxf2 14. Bxh7+ Kh8 15. Bxd8 Nxd1 16. Kxd1 Rfxd8 17. Be4 Rac8 18. Ng5 Kg8 19. Rf1 Nf6 20. Rc5 Rc7 21. Ke2 Rdc8 22. Rf3 a5 23. b3 Kf8 24. Nh7+ Nxh7 25. Bxh7 Ke7 26. Be4 f5 27. Bd3 Rh8 28. h3 Kd6 29. Rg3 Rh6 30. e4 g6 31. a4 Ba6 32. e5+ Kd7 33. axb5 Bxb5 34. Bxb5 cxb5 35. Rxb5 Rc2+ 36. Kd3 Ra2 37. Kc3 a4 38. bxa4 Rxa4 39. Rd3 Rh4 40. Rb7+ Kc6 41. Re7 Kd5 42. Rd7+ Ke4 43. Rd1 g5 44. Rd6 Rh6 45. Re1+ Kf4 46. d5 g4 47. hxg4 fxg4 48. dxe6 Rh8 49. Rd4+ Rxd4 50. Kxd4 Kf5 51. Rf1+ Kxe6 52. Rf6+ Ke7 53. Rg6 Ra8 54. Ke4 Ra1 55. Rxg4 Re1+ 56. Kf5 Rf1+ 57. Rf4 Rh1 58. g4 Rh8 59. g5 Rf8+ 60. Kg4 Rg8 61. Rf6 Ra8 62. Kf5 Rh8 63. e6 Rh1 64. Rf7+ Ke8 65. g6 Rf1+ 66. Kg5 Rg1+ 67. Kf6 Rf1+ 68. Kg7 Rg1 69. Kh7 Rh1+ 70. Kg8 Re1 71. g7 Rh1 72. Ra7 Rh2 73. e7 Rh1 74. Ra8+ Kxe7 75. Ra3 Rh2 76. Re3+ Kd8 77. Re5 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.02"]
[Round "3"]
[White "Ribeiro, Cesar Augusto Basag"]
[Black "Peres, Jefferson Silva Dos"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1890"]
[PlyCount "70"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. e3 Bf5 3. c3 c6 4. Ne2 Nf6 5. Nf4 Nbd7 6. Qe2 e5 7. Qc2 Bxc2 8. Be2 exf4 9. exf4 Bd6 10. 0-0 0-0 11. Nd2 Bf5 12. Bf3 Re8 13. b3 Qa5 14. b4 Qc7 15. g3 Be6 16. Ba3 a5 17. Rac1 axb4 18. cxb4 Bf5 19. Rfd1 Rxa3 20. Nb3 Be4 21. Re1 Bxf3 22. Red1 Bxd1 23. Rxd1 Rxa2 24. Ra1 Rxa1+ 25. Nxa1 Re1+ 26. Kg2 Nf8 27. Nc2 Rc1 28. Ne3 Qe7 29. Nf5 Qe4+ 30. Kh3 Qxf5+ 31. Kg2 Ng4 32. f3 Qc2+ 33. Kh3 Qxh2+ 34. Kxg4 Qxg3+ 35. Kf5 Qxf4# 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.01"]
[Round "2"]
[White "Peres, Jefferson Silva Dos"]
[Black "Takeda, Lucas Koji"]
[Result "0-1"]
[ECO "E30"]
[WhiteElo "1890"]
[BlackElo "2015"]
[PlyCount "72"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Bb4 5. e3 h6 6. Bh4 g5 7. Bg3 Ne4 8. Qc2 h5 9. f3 Nxg3 10. hxg3 Qd6 11. f4 g4 12. c5 Qe7 13. a3 Bxc3+ 14. Qxc3 c6 15. Bd3 f5 16. Ne2 b6 17. b4 Kf7 18. a4 Kg6 19. Kf2 Bb7 20. cxb6 axb6 21. a5 bxa5 22. bxa5 Ba6 23. Rhb1 Nd7 24. Nc1 h4 25. Bxa6 Rxa6 26. Nd3 hxg3+ 27. Kf1 Rh1+ 28. Ke2 Rxb1 29. Rxb1 Qh4 30. Rb7 Qh1 31. Rxd7 Qxg2+ 32. Kd1 Qf1+ 33. Kc2 Qe2+ 34. Kb3 g2 35. Ne5+ Kh6 36. Qc5 Qb5+ 0-1

[Event "Sao Bernardo LXSBC 1st"]
[Site "Sao Bernardo do Campo"]
[Date "2008.07.19"]
[Round "3"]
[White "Peres, Jefferson Silva Dos"]
[Black "Celkevicius, Roberto"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "1854"]
[BlackElo "2063"]
[PlyCount "152"]
[EventDate "2008.07.18"]
[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 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. Re1 Ne8 13. Bg5 h6 14. Be3 Qa5 15. Qc1 Kh7 16. Nd1 Nc7 17. Bd2 Qb6 18. Bc3 Rfb8 19. Bxg7 Kxg7 20. b3 Qa5 21. Qc3+ f6 22. Qxa5 Rxa5 23. Nc3 Ne5 24. Nxe5 fxe5 25. f4 Nb5 26. Nxb5 Rbxb5 27. fxe5 dxe5 28. Rec1 Rb4 29. Kf3 Rd4 30. Ke3 e6 31. dxe6 Kf6 32. a4 Kxe6 33. Rc4 Rxc4 34. bxc4 Kf6 35. h3 Ke6 36. h4 Kf6 37. g4 Ke6 38. g5 hxg5 39. hxg5 Kd6 40. Kd3 Kc6 41. Kc3 Ra8 42. a5 Rh8 43. Rf1 Rh3+ 44. Kd2 Rh2+ 45. Kc3 Rh3+ 46. Kc2 Re3 47. Rf6+ Kb7 48. Rxg6 Rxe4 49. Kd3 Rd4+ 50. Kc3 Rg4 51. Kd3 Rd4+ 52. Kc3 Rg4 53. Rb6+ Ka7 54. g6 e4 55. Re6 Rg2 56. Rxe4 Rxg6 57. Re5 Rc6 58. Kb3 Rc8 59. Ka4 Ka6 60. Re6+ Ka7 61. Kb5 Rc7 62. Rc6 Rb7+ 63. Kxc5 Rb1 64. Rb6 Rh1 65. Kb5 Rb1+ 66. Kc6 Rh1 67. c5 Rh7 68. a6 Rh6+ 69. Kb5 Rh5 70. Rb7+ Ka8 71. Rg7 Rh1 72. c6 Rb1+ 73. Kc5 Rc1+ 74. Kb6 Rb1+ 75. Kc7 Ka7 76. Kd8+ Kxa6 1-0

[Event "Sao Bernardo LXSBC 1st"]
[Site "Sao Bernardo do Campo"]
[Date "2008.07.19"]
[Round "4"]
[White "Terao, Juliana Sayumi"]
[Black "Peres, Jefferson Silva Dos"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2094"]
[BlackElo "1854"]
[PlyCount "122"]
[EventDate "2008.07.18"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. Nf3 c6 6. Be3 0-0 7. a4 Nbd7 8. Qd2 Re8 9. Be2 e5 10. dxe5 dxe5 11. 0-0 Qe7 12. Bc4 Nf8 13. Rfe1 Rd8 14. Qe2 h6 15. Rad1 Rxd1 16. Rxd1 Kh7 17. Qd3 N8d7 18. Bb3 Ne8 19. Ne2 Kg8 20. Qd2 Kh7 21. Ng3 b6 22. h4 Rb8 23. h5 Rb7 24. Qd3 Nf8 25. Qc4 Qe6 26. Qc3 Qf6 27. hxg6+ fxg6 28. Rd3 Rc7 29. a5 c5 30. Ba4 Nd6 31. Rd5 Nf7 32. axb6 axb6 33. b4 Bb7 34. Rd1 Qe7 35. Qd2 Ne6 36. bxc5 Nxc5 37. Bxc5 bxc5 38. c4 Bf6 39. Qa5 Nd6 40. Bc2 Nxc4 41. Qc3 Nd6 42. Nd2 Nb5 43. Qb2 Nd4 44. Bd3 Bg5 45. Bc4 Bf4 46. Ndf1 h5 47. f3 Rd7 48. Ra1 Qg5 49. Ra7 Be3+ 50. Nxe3 Qxg3 51. Qf2 Qxf2+ 52. Kxf2 Nc6 53. Ra2 Nb4 54. Ra5 Rc7 55. Ra7 Nc6 56. Ra2 Ne7 57. Ra7 Nc8 58. Ra2 Nd6 59. Rb2 Nxc4 60. Nxc4 Re7 61. Ra2 Kg7 1/2-1/2

[Event "Sao Bernardo LXSBC 1st"]
[Site "Sao Bernardo do Campo"]
[Date "2008.07.18"]
[Round "2"]
[White "Abdalla, Luiz Guilherme"]
[Black "Peres, Jefferson Silva Dos"]
[Result "1/2-1/2"]
[ECO "A83"]
[WhiteElo "2080"]
[BlackElo "1854"]
[PlyCount "118"]
[EventDate "2008.07.18"]
[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 f5 2. Nc3 Nf6 3. Bg5 e6 4. e4 fxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 Nc6 8. c3 Qe7 9. Bd3 b6 10. Qe2 Bb7 11. 0-0-0 0-0-0 12. Rhe1 Rhf8 13. Kb1 Qf7 14. Rd2 h6 15. Nxf6 Qxf6 16. Be4 Kb8 17. Ka1 g5 18. Red1 Ne7 19. Bxb7 Kxb7 20. Qe4+ Kb8 21. Ne5 Qf5 22. Qe2 Ng6 23. f3 Nf4 24. Qb5 Kb7 25. Qa4 c6 26. c4 Ng6 27. Nxg6 Qxg6 28. d5 exd5 29. cxd5 c5 30. Re2 Qd6 31. h4 Rde8 32. Rxe8 Rxe8 33. hxg5 hxg5 34. Qc4 a6 35. a3 Qf4 36. Qc2 Qe5 37. Qa4 b5 38. Qc2 Qe2 39. Rd2 Qe1+ 40. Ka2 c4 41. Qf5 Qxd2 42. Qxd7+ Kb6 43. Qxe8 Qxd5 44. Qe3+ Kb7 45. Qc3 Kb6 46. g3 Qf5 47. Qe3+ Kc6 48. Qa7 Qc8 49. Qf7 Qd8 50. Qg6+ Kb7 51. Qe4+ Kb6 52. f4 gxf4 53. gxf4 Qg8 54. Qd4+ Kc6 55. Ka1 Qe6 56. Qf2 Qf5 57. Qd2 a5 58. Qd4 Qd3 59. Qxd3 cxd3 1/2-1/2

[Event "Sao Bernardo LXSBC 1st"]
[Site "Sao Bernardo do Campo"]
[Date "2008.07.18"]
[Round "1"]
[White "Peres, Jefferson Silva Dos"]
[Black "Campos, Leonardo Augusto Da"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1854"]
[PlyCount "75"]
[EventDate "2008.07.18"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 Nc6 7. Rc1 e5 8. Bxf6 Bxf6 9. dxe5 Ne7 10. cxd5 Bxe5 11. e4 0-0 12. Nf3 Bf4 13. Rb1 Re8 14. Be2 Bg4 15. 0-0 Bxf3 16. Bxf3 Qd6 17. g3 Be5 18. Bg2 Qc5 19. Rc1 Rad8 20. Qb3 b6 21. Kh1 Ng6 22. f4 Bd4 23. Nb5 Qf8 24. Nxd4 c6 25. Rxc6 Rc8 26. Rfc1 Ne7 27. Rxc8 Rxc8 28. Rxc8 Qxc8 29. Qc2 Qd7 30. Nc6 Ng6 31. e5 Kh7 32. e6 fxe6 33. Ne5 Qe8 34. Nxg6 exd5 35. Ne5+ Kh8 36. Bxd5 Qe7 37. Qc8+ Kh7 38. Qg8# 1-0

[Event "Sao Bernardo LXSBC 1st"]
[Site "Sao Bernardo do Campo"]
[Date "2008.07.18"]
[Round "5"]
[White "Peres, Jefferson Silva Dos"]
[Black "Oliveira, Jose Roberto Jr"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1854"]
[BlackElo "2060"]
[PlyCount "80"]
[EventDate "2008.07.18"]
[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 c6 3. Nc3 d5 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 Nxd5 8. Qd2 Bb4 9. Rc1 h6 10. Bh4 0-0 11. Bd3 e5 12. 0-0 exd4 13. exd4 N7f6 14. h3 Be6 15. Bb1 Nd7 16. Qc2 g6 17. Qd2 Kg7 18. Rfe1 Rfe8 19. Ne5 Bf8 20. f4 Nxe5 21. dxe5 Nxc3 22. bxc3 Be7 23. Bf2 Rad8 24. Qb2 Ba3 25. Qxb7 Bxc1 26. Rxc1 Qa4 27. Bd4 Rxd4 28. cxd4 Qxd4+ 29. Kh1 Qxf4 30. Rxc6 Qxe5 31. Bc2 Qa1+ 32. Kh2 Qxa2 33. Qb5 Bd7 34. Rxg6+ fxg6 35. Qxd7+ Qf7 36. Qd4+ Kh7 37. Qd6 Re6 38. Qd2 Qf6 39. Qd7+ Re7 40. Qg4 Qd6+ 0-1

[Event "Sao Bernardo LXSBC 1st"]
[Site "Sao Bernardo do Campo"]
[Date "2008.07.18"]
[Round "6"]
[White "Rosa, Jose Antonio"]
[Black "Peres, Jefferson Silva Dos"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2094"]
[BlackElo "1854"]
[PlyCount "150"]
[EventDate "2008.07.18"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. e5 dxe5 6. dxe5 Qxd1+ 7. Nxd1 Ng4 8. f4 Nc6 9. h3 Nh6 10. g4 f6 11. exf6 exf6 12. Rh2 Bd7 13. Re2+ Kd8 14. Be3 Na5 15. Bd3 f5 16. g5 Nf7 17. Bd2 Nc6 18. Bc3 Nd4 19. Re3 c5 20. Bc4 Nd6 21. Bd5 Nxc2+ 22. Kd2 Bxc3+ 23. Kxc2 Bd4 24. Rg3 Re8 25. Nc3 Kc7 26. Nge2 Bc6 27. Bxc6 Kxc6 28. Rd1 Nb5 29. Nxd4+ Nxd4+ 30. Kc1 b6 31. h4 Ne2+ 32. Nxe2 Rxe2 33. h5 Rae8 34. Rgd3 gxh5 35. Rd6+ Kb5 36. Rd7 R8e7 37. Rxe7 Rxe7 38. Rh1 Re4 39. Rxh5 Rxf4 40. Rxh7 Rg4 41. Rg7 a6 42. g6 Rg2 43. Rf7 Rxg6 44. Rxf5 Kb4 45. Rf3 c4 46. Rf4 b5 47. Rh4 a5 48. Rf4 Rd6 49. Kc2 Rh6 50. Rg4 Rh2+ 51. Kc1 Kc5 52. Rg5+ Kb6 53. Rg6+ Kc5 54. Rg5+ Kb4 55. Rg8 a4 56. Rg3 Ka5 57. a3 Rh5 58. Kc2 b4 59. axb4+ Kxb4 60. Rf3 Rh2+ 61. Kc1 Re2 62. Rh3 Re4 63. Kc2 Re2+ 64. Kc1 Re5 65. Kc2 Rd5 66. Rh8 Ra5 67. Rb8+ Kc5 68. Rc8+ Kd4 69. Rd8+ Kc5 70. Rc8+ Kb4 71. Rb8+ Rb5 72. Rc8 Rb7 73. Ra8 Rb6 74. Ra7 Rb8 75. Rc7 Rb5 1/2-1/2

