[Event "Americana Region-ch 4th"]
[Site "Americana"]
[Date "2013.01.27"]
[Round "5.6"]
[White "Fernandez, Hector Marcelo"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1/2-1/2"]
[ECO "A18"]
[WhiteElo "2068"]
[BlackElo "1682"]
[PlyCount "46"]
[EventDate "2013.01.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 Nc6 4. d4 Bb4 5. e5 Ne4 6. Qd3 Nxc3 7. bxc3 Ba5 8. Nf3 h6 9. d5 Nxe5 10. Nxe5 Qf6 11. f4 d6 12. c5 a6 13. cxd6 cxd6 14. Qe4 b5 15. Bd2 dxe5 16. fxe5 Qd8 17. d6 0-0 18. Be2 Bd7 19. Bf3 Bb6 20. Qg4 f5 21. Qg6 Rb8 22. Ke2 Qh4 23. Qg3 Qc4+ 1/2-1/2

[Event "Americana Region-ch 4th"]
[Site "Americana"]
[Date "2013.01.26"]
[Round "3.7"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Barbosa, Flavio Novais"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1682"]
[PlyCount "98"]
[EventDate "2013.01.25"]
[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. exd5 exd5 4. Nf3 Nf6 5. c4 Bb4+ 6. Bd2 Qe7+ 7. Qe2 Bxd2+ 8. Nbxd2 Qxe2+ 9. Bxe2 0-0 10. 0-0 Be6 11. c5 c6 12. b4 a6 13. a4 Nbd7 14. b5 axb5 15. axb5 Ne4 16. Nxe4 dxe4 17. Ng5 Bd5 18. f3 exf3 19. Nxf3 Rfe8 20. Kf2 cxb5 21. Bxb5 Bc6 22. Bc4 Kf8 23. Rxa8 Rxa8 24. d5 Ba4 25. Ra1 Nxc5 26. Bb5 Ke7 27. Ne5 Ne4+ 28. Ke3 Nc3 29. Bxa4 Rxa4 30. Rxa4 Nxa4 31. Kd4 Nb6 32. d6+ Ke6 33. Nf3 h6 34. Kc5 Nd7+ 35. Kb5 Kxd6 36. Nd4 Ke5 37. Nb3 Kd5 38. Na5 Ne5 39. h3 Ng6 40. g3 h5 41. Nxb7 h4 42. gxh4 Nxh4 43. Kb4 Kd4 44. Nc5 Ke3 45. Kc4 f5 46. Ne6 g6 47. Kd5 f4 48. Nd4 f3 49. Nxf3 Nxf3 0-1

[Event "Americana Region-ch 4th"]
[Site "Americana"]
[Date "2013.01.26"]
[Round "2.7"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Correia, Vitor Paie"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1682"]
[BlackElo "1443"]
[PlyCount "85"]
[EventDate "2013.01.25"]
[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. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Nh4 Ngf6 8. Nxg6 hxg6 9. Be3 Qa5+ 10. Qd2 Qxd2+ 11. Bxd2 e6 12. 0-0-0 Ng4 13. Be3 Nxe3 14. fxe3 Nf6 15. h3 Bd6 16. Ne2 Ng4 17. Nc3 Nf2 18. Bd3 Nxd1 19. Rxd1 0-0-0 20. Rf1 f5 21. Bc4 Kd7 22. Ne2 g5 23. Nc3 Rhf8 24. Be2 g6 25. a3 e5 26. dxe5 Bxe5 27. Rd1+ Kc7 28. Rxd8 Rxd8 29. Nd1 f4 30. e4 Bd4 31. b4 Be3+ 32. Kb2 b5 33. Kb3 Kd6 34. Nb2 Rc8 35. c4 a6 36. c5+ Ke5 37. Bf3 Kd4 38. Kc2 Re8 39. Nd1 Re6 40. Nb2 Rxe4 41. Bxe4 Kxe4 42. Nd3 Bd4 43. Ne1 0-1

[Event "Americana Region-ch 4th"]
[Site "Americana"]
[Date "2013.01.25"]
[Round "1.2"]
[White "Hengles, Roberto Carlos"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "1904"]
[BlackElo "1682"]
[PlyCount "35"]
[EventDate "2013.01.25"]
[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 a6 5. Bc4 Nf6 6. Nc3 Qc7 7. Bb3 e6 8. 0-0 Nbd7 9. Bg5 Be7 10. Bxe6 fxe6 11. Nxe6 Qa5 12. Nxg7+ Kf7 13. Nf5 Bf8 14. Qf3 Ne5 15. Nh6+ Bxh6 16. Qxf6+ Kg8 17. Bxh6 Qc7 18. Qf8# 1-0

[Event "Nova Odessa Cup"]
[Site "Nova Odessa"]
[Date "2012.01.29"]
[Round "3"]
[White "Casarin, Luis Marcio Pinhatt"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1940"]
[BlackElo "1682"]
[PlyCount "57"]
[EventDate "2012.01.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. Bf4 Bf5 4. e3 e6 5. Nbd2 c5 6. Be2 Nc6 7. c3 Be7 8. 0-0 Nh5 9. Be5 Nxe5 10. Nxe5 Nf6 11. Qa4+ Kf8 12. Ndf3 h6 13. Bd3 Bxd3 14. Nxd3 Ne4 15. Nde5 a6 16. Qd1 Qe8 17. dxc5 Nxc5 18. Nd4 b5 19. Qf3 Kg8 20. Qh5 g6 21. Qg4 h5 22. Qh3 Bd6 23. f4 f5 24. Ndf3 Ne4 25. Rad1 Nf6 26. Qg3 Kg7 27. h3 Bc5 28. Nh4 Rh6 29. Rd3 1-0

[Event "Nova Odessa Cup"]
[Site "Nova Odessa"]
[Date "2012.01.29"]
[Round "4"]
[White "De Assis, Claudio Henrique J"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "1783"]
[BlackElo "1682"]
[PlyCount "76"]
[EventDate "2012.01.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. a3 cxd4 6. axb4 dxc3 7. bxc3 b6 8. Bg5 Nc6 9. e4 h6 10. Bh4 Ne5 11. Bg3 Ng6 12. Bd3 e5 13. Nf3 d6 14. 0-0 Nh5 15. Rfd1 Qc7 16. c5 bxc5 17. Bb5+ Ke7 18. bxc5 Qxc5 19. Rd5 Qc7 20. Rad1 Nxg3 21. hxg3 Rd8 22. Qd3 Be6 23. c4 Bxd5 24. cxd5 a5 25. Qa3 Rdb8 26. Rc1 Qd8 27. Bc6 Ra7 28. Nd2 Rb4 29. Nc4 Qb8 30. Kh2 a4 31. Qf3 Rb3 32. Qf5 a3 33. Na5 Rxa5 34. Qd7+ Kf8 35. Bb7 Rc5 36. Rxc5 dxc5 37. Ba6 a2 38. Bc4 Rb7 0-1

[Event "Nova Odessa Cup"]
[Site "Nova Odessa"]
[Date "2012.01.29"]
[Round "5"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Brito, Erick de Paula"]
[Result "0-1"]
[ECO "B79"]
[WhiteElo "1682"]
[BlackElo "1853"]
[PlyCount "46"]
[EventDate "2012.01.28"]
[EventType "swiss"]
[EventRounds "5"]
[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 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Qa5 11. g4 Rfc8 12. Bb3 Ne5 13. h4 Nc4 14. Bxc4 Rxc4 15. h5 Rac8 16. hxg6 hxg6 17. Nde2 b5 18. Kb1 b4 19. Nd5 Rxc2 20. Nxf6+ Bxf6 21. Qxc2 Rxc2 22. Kxc2 Qxa2 23. Bd4 Ba4+ 0-1

[Event "Nova Odessa Cup"]
[Site "Nova Odessa"]
[Date "2012.01.28"]
[Round "1"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "De Sousa, Francisco Ermelindo"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1682"]
[PlyCount "165"]
[EventDate "2012.01.28"]
[EventType "swiss"]
[EventRounds "5"]
[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 Nge7 4. 0-0 a6 5. Ba4 b5 6. Bb3 h6 7. c3 Ng6 8. d4 exd4 9. cxd4 Na5 10. Bc2 Be7 11. Bd2 c5 12. dxc5 Bxc5 13. b4 Bxf2+ 14. Rxf2 Nc4 15. Bc1 0-0 16. Nbd2 Ne3 17. Qe2 Nxc2 18. Rb1 Nf4 19. Qd1 Nd3 20. Qxc2 Nxf2 21. Kxf2 Qb6+ 22. Kf1 Bb7 23. Bb2 Rac8 24. Qd3 Qe6 25. Qd4 f6 26. a3 Rfe8 27. e5 Bxf3 28. Nxf3 Rc4 29. Qd3 f5 30. Kg1 g6 31. Qe3 g5 32. Rd1 d5 33. Qd3 Rd8 34. Nd4 Qxe5 35. Qxf5 Qxf5 36. Nxf5 Kh7 37. Ne3 Rc6 38. Nxd5 Rcd6 39. Nf6+ Kg6 40. Rxd6 Rxd6 41. Ne4 Rd5 42. Kf2 Kf5 43. Ke3 Rd1 44. Nc5 Rd6 45. Bd4 h5 46. h3 Rg6 47. g3 g4 48. h4 Rd6 49. Nd3 Re6+ 50. Kd2 Rd6 51. Bc5 Rd5 52. Ke3 Rd8 53. Nf4 Re8+ 54. Kf2 Rh8 55. Bd4 Rh7 56. Ke3 Re7+ 57. Kd3 Rh7 58. Nd5 Rd7 59. Nb6 Re7 60. Nd5 Re1 61. Nf4 Rd1+ 62. Ke3 Re1+ 63. Kf2 Rd1 64. Bc5 Ra1 65. Nxh5 Rxa3 66. Nf4 Ra2+ 67. Ke3 Ra3+ 68. Nd3 Rb3 69. Kd4 Rb1 70. Kd5 Rd1 71. Kd4 Rd2 72. Kc3 Rg2 73. Bd6 Re2 74. Bf4 Re8 75. Nc5 Rc8 76. Kb3 Ra8 77. Kc3 a5 78. bxa5 Rxa5 79. Kb4 Ra1 80. Kxb5 Rd1 81. Kc6 Rd8 82. Kc7 Rd4 83. Bd6 1-0

[Event "Nova Odessa Cup"]
[Site "Nova Odessa"]
[Date "2012.01.28"]
[Round "2"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Squincalha, Pedro Guilherme"]
[Result "1-0"]
[ECO "B95"]
[WhiteElo "1682"]
[BlackElo "1785"]
[PlyCount "67"]
[EventDate "2012.01.28"]
[EventType "swiss"]
[EventRounds "5"]
[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. f3 Be7 8. Qd2 e5 9. Nde2 Be6 10. f4 0-0 11. f5 Bd7 12. Bxf6 gxf6 13. h4 Bc6 14. Ng3 Qb6 15. 0-0-0 Nd7 16. Rh3 Kh8 17. Nh5 Rg8 18. Bc4 Raf8 19. Rg3 Qd4 20. Rxg8+ Rxg8 21. Qe2 Qb6 22. Bxf7 Rc8 23. Qf3 Bf8 24. Qg4 Bh6+ 25. Kb1 Qe3 26. Be6 b5 27. Bxd7 Bxd7 28. Nd5 Qf2 29. c3 Rg8 30. Qf3 Rxg2 31. Qxf2 Rxf2 32. Ndxf6 Bxf5 33. exf5 Rxf5 34. Rxd6 1-0

[Event "Nova Odessa IRT Regional 2nd"]
[Site "Nova Odessa"]
[Date "2011.09.11"]
[Round "6.4"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Casarin, Luis Marcio Pinhatt"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1713"]
[BlackElo "1944"]
[PlyCount "44"]
[EventDate "2011.09.09"]
[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 Qc7 7. Be3 e6 8. g4 Be7 9. h4 b5 10. h5 Bb7 11. Bxb5+ axb5 12. Ndxb5 Qc6 13. Nd4 Qc8 14. g5 Nfd7 15. g6 hxg6 16. h6 gxh6 17. Rxh6 Rxh6 18. Bxh6 Ba6 19. Qd2 Bh4+ 20. Kd1 Qc4 21. Nde2 Bf6 22. Qd3 Qxd3+ 0-1

[Event "Nova Odessa IRT Regional 2nd"]
[Site "Nova Odessa"]
[Date "2011.09.11"]
[Round "5.4"]
[White "Schucman, Rebeca Lot"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1591"]
[BlackElo "1713"]
[PlyCount "99"]
[EventDate "2011.09.09"]
[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 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 0-0 7. Rc1 Nc6 8. Be2 a6 9. 0-0 Ne7 10. Qc2 c6 11. Rfd1 Ng6 12. Bd3 Ne8 13. Bxg6 fxg6 14. Ne5 Qf6 15. Ndf3 Nd6 16. Rf1 g5 17. Nd2 Qh6 18. Qd1 Nf5 19. Qg4 Qf6 20. Ndf3 h6 21. Qh5 Kh7 22. Ng4 Qd8 23. Nfe5 Qe8 24. Qxe8 Rxe8 25. h3 Rf8 26. b3 Rd8 27. Rce1 Kg8 28. Nh2 Bd7 29. Nxd7 Rxd7 30. Nf3 Nd6 31. Ne5 Rdd8 32. cxd5 exd5 33. f3 a5 34. Rb1 Nb5 35. Rfc1 Na3 36. Rb2 Nb5 37. a4 Nd6 38. Kf2 Rf8 39. Ke2 Nf7 40. Nxf7 Rxf7 41. Rc3 Kf8 42. Kd3 Ke7 43. b4 axb4 44. Rxb4 Kd6 45. Rcb3 Ra7 46. Ra3 Rf8 47. Ra2 Rfa8 48. Rab2 Kc7 49. Ke2 Re8 50. Kd3 1/2-1/2

[Event "Nova Odessa IRT Regional 2nd"]
[Site "Nova Odessa"]
[Date "2011.09.10"]
[Round "4.5"]
[White "Klava, Lourdes Maria"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "0-1"]
[ECO "A46"]
[BlackElo "1713"]
[PlyCount "34"]
[EventDate "2011.09.09"]
[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. Nf3 e6 3. e3 c5 4. dxc5 Bxc5 5. Qe2 b6 6. Nc3 0-0 7. Bd2 Ba6 8. Qd1 Bxf1 9. Rxf1 Nc6 10. Nb5 a6 11. Nc3 b5 12. Qe2 Qc7 13. 0-0-0 Rfc8 14. Ng5 Be7 15. Qf3 b4 16. Na4 Nd4 17. exd4 Qxc2# 0-1

[Event "Nova Odessa IRT Regional 2nd"]
[Site "Nova Odessa"]
[Date "2011.09.10"]
[Round "3.5"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "De Assis, Henrique Zerbini J"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "1713"]
[BlackElo "1674"]
[PlyCount "74"]
[EventDate "2011.09.09"]
[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. Bc4 e6 7. Bb3 Be7 8. 0-0 0-0 9. a4 Qc7 10. Kh1 Nc6 11. f3 Bd7 12. Be3 Rfc8 13. Nxc6 Bxc6 14. a5 Qd7 15. Na4 Bd8 16. Bb6 Bxa4 17. Bxa4 Qe7 18. Qd4 d5 19. e5 Nd7 20. Bxd8 Qxd8 21. c3 Nc5 22. Bc2 b5 23. b4 Nd7 24. Bd3 Qc7 25. Qh4 h6 26. Rac1 Nxe5 27. Be2 Qd6 28. f4 Ng6 29. Qf2 Ne7 30. Bd3 Rc6 31. Bb1 Rac8 32. Qc2 g6 33. Rf3 d4 34. Qd2 dxc3 35. Qxd6 Rxd6 36. Kg1 Rdc6 37. Bc2 Nd5 0-1

[Event "Nova Odessa IRT Regional 2nd"]
[Site "Nova Odessa"]
[Date "2011.09.10"]
[Round "2.2"]
[White "Silva, Alexandre Freitas"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "1832"]
[BlackElo "1713"]
[PlyCount "39"]
[EventDate "2011.09.09"]
[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 e6 6. g4 e5 7. Nf5 g6 8. Ne3 a6 9. g5 Nh5 10. Ned5 Nd7 11. Be3 b5 12. Bxb5 axb5 13. Nxb5 Qa5+ 14. b4 Qa4 15. 0-0 Rb8 16. c4 Qxd1 17. Rfxd1 f5 18. a4 f4 19. Ba7 Rb7 20. a5 1-0

[Event "Nova Odessa IRT Regional 2nd"]
[Site "Nova Odessa"]
[Date "2011.09.09"]
[Round "1.6"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Correia, Vitor Paie"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1713"]
[BlackElo "1505"]
[PlyCount "79"]
[EventDate "2011.09.09"]
[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 e6 3. d4 Nc6 4. Nc3 d5 5. exd5 exd5 6. dxc5 Nf6 7. Be3 Bg4 8. h3 Bxf3 9. Qxf3 d4 10. 0-0-0 Bxc5 11. Ne4 Qe7 12. Nxf6+ Qxf6 13. Qxf6 gxf6 14. Bh6 0-0-0 15. Bg7 Rhg8 16. Bxf6 Be7 17. Bxe7 Nxe7 18. g4 a6 19. Rd3 Nc6 20. Bg2 Ne5 21. Rb3 Rd7 22. Be4 Kb8 23. Bxh7 Rg7 24. Bf5 Rc7 25. Rd1 Nc6 26. Be4 Na5 27. Rb4 Nc6 28. Bxc6 Rxc6 29. Rbxd4 Rc7 30. Rd8+ Ka7 31. R8d7 f6 32. Rxc7 Rxc7 33. Rd6 Rf7 34. h4 f5 35. g5 Kb8 36. h5 Kc7 37. Rf6 Rh7 38. Rh6 Rg7 39. g6 Kd6 40. Rh7 1-0

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.07"]
[Round "5.10"]
[White "Gueleres, Alexandre Zaminato"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "1820"]
[BlackElo "1723"]
[PlyCount "99"]
[EventDate "2011.08.05"]
[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. Nc3 d5 4. e3 Be7 5. Nf3 0-0 6. Bd3 c5 7. 0-0 cxd4 8. Nxd4 Nc6 9. Nf3 a6 10. cxd5 exd5 11. a3 h6 12. h3 Be6 13. b4 b5 14. Bb2 Qb6 15. Rc1 Rac8 16. Bb1 Rfd8 17. Ne2 Na7 18. Qd3 g6 19. Nfd4 Bd7 20. Nf4 Be8 21. Nb3 Rd6 22. Bd4 Qb7 23. Nc5 Qa8 24. Ba2 Nc6 25. Bb2 Rcd8 26. Rfe1 Kh7 27. f3 d4 28. exd4 Nxd4 29. Rxe7 Nf5 30. Qe2 Nxe7 31. Qxe7 Ng8 32. Qe5 f6 33. Bxg8+ Kxg8 34. Qe7 Bf7 35. Bxf6 Qc8 36. Nfe6 Rxe6 37. Qxd8+ Qxd8 38. Bxd8 Re3 39. Nxa6 Rxa3 40. Rc6 Kg7 41. Bf6+ Kf8 42. Bd4 Rd3 43. Bc5+ Ke8 44. Rc8+ Kd7 45. Rc7+ Ke6 46. Re7+ Kf6 47. Nc7 Bc4 48. Re4 h5 49. Ne8+ Kf5 50. Nd6+ 1-0

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.07"]
[Round "6.14"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Christofoletti, Danielle FA"]
[Result "1-0"]
[ECO "C87"]
[WhiteElo "1723"]
[PlyCount "67"]
[EventDate "2011.08.05"]
[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. Bb5 d6 4. h3 Bd7 5. 0-0 Nf6 6. Re1 Be7 7. c3 a6 8. Ba4 0-0 9. d4 exd4 10. cxd4 h6 11. a3 Nh7 12. Nc3 Ng5 13. d5 Nxf3+ 14. Qxf3 Ne5 15. Qe2 Bxa4 16. Nxa4 Qd7 17. Nc3 Bf6 18. Bd2 b5 19. b3 Rfe8 20. Rac1 Ng6 21. Rc2 Be5 22. Nd1 Rac8 23. Ne3 Nf4 24. Qg4 Qxg4 25. Nxg4 Nd3 26. Re3 Nxf2 27. Nxf2 Bd4 28. Re2 f5 29. Be3 Bxe3 30. Rxe3 f4 31. Re1 Kf7 32. Nd3 g5 33. Nb4 a5 34. Nc6 1-0

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.06"]
[Round "3.11"]
[White "Melo, Eliane de Azevedo"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1723"]
[PlyCount "133"]
[EventDate "2011.08.05"]
[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. Nf3 e6 7. e5 Ng4 8. exd6 Qxd6 9. Qxd6 Bxd6 10. Bd3 Nc6 11. Ne4 Be7 12. h3 Nf6 13. 0-0 Nb4 14. Nxf6+ Bxf6 15. Be4 Nc6 16. c3 Bd7 17. Bg5 Bxg5 18. Nxg5 h6 19. Nf3 Rd8 20. Rad1 0-0 21. Rd2 f5 22. Bc2 Bc8 23. Rfd1 Rxd2 24. Rxd2 Rd8 25. Rxd8+ Nxd8 26. Bb3 Nc6 27. a3 Kf7 28. Kf1 Kf6 29. Ke2 Na5 30. Ba2 e5 31. b4 Nc6 32. Bd5 Ne7 33. Bc4 b5 34. Bb3 Ng6 35. g3 f4 36. g4 Bb7 37. c4 Bxf3+ 38. Kxf3 Ne7 39. Ke4 Nc6 40. Kd5 Nd4 41. Ba2 Nc2 42. c5 Ne3+ 43. Ke4 Nc4 44. c6 Ke7 45. Kd5 Kd8 46. Bxc4 bxc4 47. Kxc4 e4 48. Kd4 e3 49. fxe3 fxe3 50. Kxe3 Kc7 51. Kd4 Kxc6 52. Ke5 Kb5 53. Kd5 Ka4 54. Kc5 Kxa3 55. b5 axb5 56. Kxb5 Kb3 57. Kc5 Kc3 58. Kd5 Kd3 59. Ke5 Ke3 60. Kf5 Kf3 61. h4 Kg3 62. h5 Kh4 63. Kf4 Kh3 64. g5 Kh4 65. gxh6 gxh6 66. Kf5 Kxh5 67. Kf4 0-1

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.06"]
[Round "4.4"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1723"]
[BlackElo "1967"]
[PlyCount "110"]
[EventDate "2011.08.05"]
[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. Bb5 Qf6 4. Nc3 Nge7 5. d3 h6 6. 0-0 g5 7. Ne2 d6 8. d4 a6 9. dxe5 dxe5 10. Ba4 Bg4 11. Ne1 Rd8 12. Bd2 b5 13. Bb3 Nd4 14. f3 Nxb3 15. axb3 Bc8 16. Nd3 Ng6 17. Qe1 Bd6 18. Nb4 0-0 19. Nd5 Qe6 20. Ne3 Bc5 21. Kh1 Qc6 22. Rc1 Be6 23. Ng3 Rd7 24. Nef5 Kh7 25. b4 Bb6 26. b3 Rfd8 27. Be3 Bxe3 28. Nxe3 Nf4 29. Ne2 Rd2 30. Ng3 h5 31. Rf2 Rxf2 32. Qxf2 Bxb3 33. Qe1 Be6 34. Ngf5 Bxf5 35. Nxf5 Qd7 36. h4 g4 37. fxg4 hxg4 38. Qg3 Rg8 39. Qe3 g3 40. c3 Qd3 41. Qxd3 Nxd3 42. Ra1 Rg6 43. h5 Rg5 44. Kg1 Nf4 45. Ra2 Nxh5 46. Rxa6 Nf4 47. Kf1 Ne6 48. Ra5 Rg4 49. Rxb5 Rf4+ 50. Kg1 Rxe4 51. Nxg3 Re3 52. c4 Rxg3 53. Rxe5 Rg4 54. Rf5 Kg6 55. Ra5 Rxc4 0-1

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.06"]
[Round "2.3"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Nery Junior, Jose Antonio"]
[Result "0-1"]
[ECO "B87"]
[WhiteElo "1723"]
[BlackElo "2017"]
[PlyCount "72"]
[EventDate "2011.08.05"]
[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. Bg5 e6 7. Bc4 b5 8. Bb3 Be7 9. Qd2 b4 10. Bxf6 bxc3 11. Qxc3 Bxf6 12. 0-0-0 0-0 13. Qg3 Qb6 14. Nf3 Rd8 15. h4 Bb7 16. Rhe1 Nc6 17. c3 Na5 18. Bc2 Nc4 19. Bb3 Rac8 20. Nd2 Nxb2 21. e5 Qxf2 22. Qxf2 Nd3+ 23. Kc2 Nxf2 24. exf6 Nxd1 25. Rxd1 gxf6 26. g4 Rc5 27. Rf1 Kg7 28. Rf4 Rdc8 29. Nb1 Bd5 30. Ra4 a5 31. Rd4 Bc6 32. Kd2 a4 33. Bxa4 Bxa4 34. Rxa4 Rc4 35. Rb4 d5 36. Na3 Rxc3 0-1

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.05"]
[Round "1.14"]
[White "Rodrigues, Jefferson"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "0-1"]
[ECO "A34"]
[BlackElo "1723"]
[PlyCount "78"]
[EventDate "2011.08.05"]
[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. Nc3 c5 4. e3 Be7 5. Nf3 0-0 6. Bd3 Nc6 7. 0-0 a6 8. Qc2 Nb4 9. Qe2 Nxd3 10. Qxd3 b6 11. b3 Bb7 12. Nd2 Qc7 13. f3 d5 14. Bb2 Bd6 15. h3 Rad8 16. a4 cxd4 17. exd4 dxc4 18. bxc4 Bc5 19. Nce4 Nxe4 20. Nxe4 e5 21. Nxc5 bxc5 22. d5 f6 23. Rfe1 Rb8 24. Re4 Kh8 25. Rh4 f5 26. Re1 Qd8 27. g3 Qa5 28. Re3 Bc8 29. Bxe5 Rb7 30. g4 Qxa4 31. g5 Re8 32. g6 Rxe5 33. Rxh7+ Kg8 34. Rxe5 Qa1+ 35. Kf2 Qxe5 36. Qa3 Qh2+ 37. Ke3 Re7+ 38. Kd3 Qe2+ 39. Kc3 Re3# 0-1

[Event "Nova Odessa 106 Anos 1st"]
[Site "Nova Odessa"]
[Date "2011.06.19"]
[Round "5.10"]
[White "Melo, Eliane de Azevedo"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1723"]
[PlyCount "80"]
[EventDate "2011.06.04"]
[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. Bc4 b5 7. Bd3 Nbd7 8. 0-0 Nc5 9. Be2 Nfxe4 10. Nxe4 Nxe4 11. Bf3 Bb7 12. Qe2 Nc5 13. Bxb7 Nxb7 14. b4 e6 15. Qf3 d5 16. a3 Be7 17. Nc6 Qc7 18. Nxe7 Qxe7 19. Bb2 0-0 20. Qg4 f6 21. Rfe1 e5 22. Rad1 Rad8 23. Qf3 e4 24. Qg3 Qd6 25. Rd4 Qxg3 26. hxg3 Kf7 27. f3 f5 28. fxe4 fxe4 29. Rf1+ Ke6 30. Rxf8 Rxf8 31. Rd1 g6 32. Rf1 Rxf1+ 33. Kxf1 Nd6 34. Bc1 Kf5 35. Kf2 Nc4 36. Ke1 Kg4 37. Kf2 d4 38. Ke2 Kxg3 39. Kf1 e3 40. Ke2 Kxg2 0-1

[Event "Nova Odessa 106 Anos 1st"]
[Site "Nova Odessa"]
[Date "2011.06.19"]
[Round "6.9"]
[White "Rosa, Luciano Alvaro"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "0-1"]
[ECO "B81"]
[BlackElo "1723"]
[PlyCount "40"]
[EventDate "2011.06.04"]
[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. g4 e5 8. Nb3 Nxg4 9. Qd2 Nxe3 10. Qxe3 Be7 11. 0-0-0 Bg5 12. Qxg5 Qxg5+ 13. Kb1 0-0 14. Rd3 Be6 15. Nd2 Nc6 16. Rg3 Qxd2 17. Bd3 Nb4 18. Rhg1 g6 19. h4 Nxd3 20. cxd3 Rac8 0-1

[Event "Nova Odessa 106 Anos 1st"]
[Site "Nova Odessa"]
[Date "2011.06.05"]
[Round "2.5"]
[White "De Assis, Henrique Zerbini J"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1660"]
[BlackElo "1723"]
[PlyCount "51"]
[EventDate "2011.06.04"]
[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. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 c5 6. Qd3 Be7 7. Nc3 Bg5 8. Nb5 Be7 9. Bf4 d6 10. 0-0-0 a6 11. Nxd6+ Bxd6 12. Bxd6 b6 13. Qg3 Qf6 14. Bf4 Be6 15. Bg5 Qg6 16. Bxa6 f6 17. Bb5+ Kf7 18. Qc7+ Ne7 19. Bf4 Rxa2 20. Bd6 Ra1+ 21. Kd2 Qg5+ 22. Kc3 Rxd1 23. Qxe7+ Kg6 24. Rxd1 Bf7 25. Bd7 Qxg2 26. Bf5+ 1-0

[Event "Nova Odessa 106 Anos 1st"]
[Site "Nova Odessa"]
[Date "2011.06.05"]
[Round "3.6"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "De Assis, Claudio Henrique J"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "1723"]
[BlackElo "1794"]
[PlyCount "29"]
[EventDate "2011.06.04"]
[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. Bc4 e6 7. Bb3 Nbd7 8. Bxe6 fxe6 9. Nxe6 Qb6 10. Rb1 Nc5 11. Nxf8 Rxf8 12. Nd5 Nxd5 13. exd5 Nd3+ 14. Kd2 Rxf2+ 15. Kxd3 0-1

[Event "Nova Odessa 106 Anos 1st"]
[Site "Nova Odessa"]
[Date "2011.06.04"]
[Round "1.2"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Casarin, Luis Marcio Pinhatt"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1723"]
[BlackElo "1917"]
[PlyCount "93"]
[EventDate "2011.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e3 c5 2. d4 e6 3. Nf3 Nc6 4. d5 exd5 5. Qxd5 Nf6 6. Qd1 Be7 7. Be2 0-0 8. 0-0 a6 9. b3 b5 10. c4 b4 11. Bb2 Qc7 12. Qc2 Bb7 13. Ng5 Ne5 14. Nd2 h6 15. Ngf3 Bd6 16. Nxe5 Bxe5 17. Bxe5 Qxe5 18. Bf3 Bxf3 19. Nxf3 Qe4 20. Qxe4 Nxe4 21. Rfd1 Rfd8 22. a3 Kf8 23. axb4 cxb4 24. Ra5 Ra7 25. Rd4 Re8 26. Ne5 Nf6 27. Nd3 Rb8 28. Rd6 Ne4 29. Rdxa6 Rxa6 30. Rxa6 Nd2 31. Nc1 Ke7 32. f3 d5 33. cxd5 Rc8 34. Rc6 Rxc6 35. dxc6 Kd6 36. Kf2 Kxc6 37. Ke2 Nb1 38. Kd3 Kc5 39. Ne2 Na3 40. Nd4 Nb1 41. Nf5 g6 42. Nxh6 f5 43. g4 fxg4 44. Nxg4 Nc3 45. Ne5 g5 46. Nf7 Kd5 47. Nxg5 1-0

[Event "BRA-ch U20"]
[Site "Campinas"]
[Date "2011.04.24"]
[Round "8"]
[White "Maranhao, Jose Renato Ruiz"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "63"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "8"]
[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 Bf5 5. 0-0 Qd7 6. c4 Bh3 7. cxd5 Nxd5 8. e4 Bxg2 9. Kxg2 Nf6 10. d5 Rd8 11. Qe1 Nb8 12. Nbd2 g6 13. Ne5 Qc8 14. Ndf3 Bg7 15. Bf4 Nh5 16. Be3 Nd7 17. Bd4 Nxe5 18. Nxe5 0-0 19. Rc1 f5 20. Nf3 fxe4 21. Qxe4 Nf6 22. Qxe7 Rd7 23. Qe6+ Kh8 24. Ng5 Nxd5 25. Bxg7+ Kxg7 26. Rfe1 Rf6 27. Qh3 Rxf2+ 28. Kxf2 Rf7+ 29. Kg1 Qxh3 30. Nxh3 c6 31. Rf1 Re7 32. Rce1 1-0

[Event "BRA-ch U20"]
[Site "Campinas"]
[Date "2011.04.24"]
[Round "7"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Cirilo, Guilherme de Araujo"]
[Result "0-1"]
[ECO "C84"]
[BlackElo "1918"]
[PlyCount "78"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 0-0 8. a4 Rb8 9. axb5 axb5 10. Nc3 d6 11. h3 h6 12. Nd5 Be6 13. Nxe7+ Qxe7 14. c3 Ra8 15. Rb1 Na5 16. Bxe6 Qxe6 17. b4 Nc6 18. Qb3 Qxb3 19. Rxb3 Ne7 20. Re1 Ng6 21. c4 bxc4 22. dxc4 Ra1 23. Nd2 Nf4 24. Kf1 Rfa8 25. Nb1 Nd3 26. Rxd3 Rxb1 27. Ra3 Rxa3 28. Bxa3 Rxe1+ 29. Kxe1 Nxe4 30. f3 Ng3 31. Bc1 Nh5 32. Be3 Nf4 33. Kd2 Nxg2 34. Ba7 Nf4 35. Bb8 Ne6 36. b5 f6 37. Kc3 Kf7 38. Kb4 Ke7 39. Ka5 Kd7 0-1

[Event "BRA-ch U20"]
[Site "Campinas"]
[Date "2011.04.23"]
[Round "6"]
[White "Brito, Erick de Paula"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "1836"]
[PlyCount "35"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "8"]
[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. 0-0 Be7 9. f4 b4 10. Na4 Nxe4 11. f5 Nc5 12. fxe6 Nxe6 13. Nxe6 Bxe6 14. Bxe6 fxe6 15. Qf3 Ra7 16. Be3 Qc7 17. Bb6 Qb7 18. Qf7+ 1-0

[Event "BRA-ch U20"]
[Site "Campinas"]
[Date "2011.04.23"]
[Round "5"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Prallon Sampaio, Leonardo de Souz"]
[Result "1-0"]
[ECO "B94"]
[BlackElo "1988"]
[PlyCount "137"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "8"]
[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. Bg5 Nbd7 7. Bc4 Qc7 8. Bb3 e6 9. 0-0 Be7 10. Kh1 Nc5 11. f3 0-0 12. a3 Nxb3 13. Nxb3 b5 14. Qd2 Bb7 15. Rad1 Rfd8 16. Qf2 Rac8 17. Be3 Re8 18. Na5 Nd7 19. Nxb7 Qxb7 20. Nb1 Qc6 21. Rc1 Nf6 22. Bd4 d5 23. e5 Nd7 24. Nd2 Bc5 25. c3 Bxd4 26. Qxd4 Qb6 27. Nb3 Qc7 28. f4 Nc5 29. Nxc5 Qxc5 30. Rcd1 Qxd4 31. Rxd4 Rc4 32. Rxc4 bxc4 33. Kg1 Rb8 34. Rb1 Kf8 35. Kf2 Ke7 36. Ke3 f6 37. Kd4 fxe5+ 38. Kxe5 Rf8 39. g4 g6 40. b4 h5 41. Rg1 Rh8 42. h4 hxg4 43. Rxg4 Rh5+ 44. Rg5 Rh6 45. Rg3 Kf7 46. Rh3 Rh5+ 47. Kd4 Ke7 48. Kc5 Kd7 49. Kb6 Rh8 50. a4 Rb8+ 51. Kxa6 Kc6 52. b5+ Kc5 53. Ka7 Rg8 54. b6 Rg7+ 55. Ka6 Rg8 56. b7 Kc6 57. Rh1 Kc7 58. Rb1 Kb8 59. Rb6 d4 60. cxd4 Rd8 61. Rxe6 c3 62. Rc6 c2 63. Rxc2 Rd6+ 64. Kb5 Rxd4 65. Rc4 Rd7 66. Rc6 Kxb7 67. Rxg6 Rd5+ 68. Kc4 Ra5 69. Kc3 1-0

[Event "BRA-ch U20"]
[Site "Campinas"]
[Date "2011.04.22"]
[Round "4"]
[White "Barreiros da Silva, Denison Klein"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "0-1"]
[ECO "B98"]
[WhiteElo "1813"]
[PlyCount "76"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "8"]
[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. Bg5 e6 7. f4 Be7 8. Qf3 Nc6 9. Nb3 e5 10. 0-0-0 Bg4 11. Qe3 Bxd1 12. Nxd1 h6 13. Bxf6 Bxf6 14. Kb1 exf4 15. Qxf4 Be5 16. Qf2 a5 17. Bc4 0-0 18. h3 a4 19. Nd2 Bd4 20. Qe2 Rb8 21. Nf3 Bf6 22. Bb5 Ra8 23. c3 Ne5 24. Nd4 Nd7 25. Nf5 Nc5 26. Qg4 Kh7 27. Nde3 g6 28. Ng3 Qc8 29. Nd5 Bd8 30. Qf3 Ra5 31. c4 Nd7 32. Qc3 Ra8 33. Qb4 Nc5 34. e5 Ba5 35. Nf6+ Kg7 36. Bd7 Nxd7 37. Qxd6 Nxf6 38. exf6+ Kh7 0-1

[Event "BRA-ch U20"]
[Site "Campinas"]
[Date "2011.04.22"]
[Round "3"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Cardoso, Matheus Santos"]
[Result "1-0"]
[ECO "B70"]
[BlackElo "1712"]
[PlyCount "85"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "8"]
[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 g6 6. Bg5 Bg7 7. Qd2 Nc6 8. Nxc6 bxc6 9. Bd3 0-0 10. Bh6 Qb6 11. Bxg7 Kxg7 12. Rb1 Be6 13. 0-0 Rab8 14. Kh1 Qa5 15. Qc1 Rb7 16. a3 Rfb8 17. b4 Qe5 18. Qe1 Ng4 19. f4 Qd4 20. Ne2 Qb6 21. h3 Nf6 22. g4 Qe3 23. Kg2 d5 24. Rf3 Qb6 25. Qc3 Kg8 26. Ng3 d4 27. Qd2 c5 28. f5 Bd7 29. Bc4 Bb5 30. Ba2 c4 31. g5 Ne8 32. fxg6 hxg6 33. Rbf1 e6 34. R1f2 Rd8 35. h4 d3 36. cxd3 Rxd3 37. Rxd3 cxd3 38. h5 Rc7 39. hxg6 fxg6 40. Qf4 Qd6 41. Bxe6+ Qxe6 42. Qf8+ Kh7 43. Qh6+ 1-0

[Event "BRA-ch U20"]
[Site "Campinas"]
[Date "2011.04.21"]
[Round "1"]
[White "Rodrigues, Jhonas Silva"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1-0"]
[ECO "A32"]
[WhiteElo "1926"]
[PlyCount "63"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 c5 5. Nf3 cxd4 6. Nxd4 b6 7. e3 Bb7 8. f3 Nc6 9. Be2 Bc5 10. Bc1 0-0 11. 0-0 a6 12. a3 Qc7 13. f4 e5 14. Nxc6 Bxc6 15. b4 Bd6 16. f5 e4 17. h3 Qc8 18. Qxd6 a5 19. Bb2 Rd8 20. b5 Bb7 21. Na4 Ne8 22. Qd4 d5 23. Nxb6 dxc4 24. Nxc8 Rxd4 25. Bxd4 Rxc8 26. Rfc1 Bd5 27. a4 Nd6 28. g4 g6 29. fxg6 hxg6 30. Rc3 Kh7 31. Rac1 Kh6 32. Be5 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.08"]
[Round "7"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Vallejos, Jose Antonio"]
[Result "0-1"]
[ECO "B54"]
[BlackElo "1956"]
[PlyCount "80"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nxc6 bxc6 6. Bc4 e6 7. 0-0 Qc7 8. Bf4 Be7 9. Re1 Bb7 10. e5 d5 11. Bd3 h5 12. Qf3 g5 13. Bd2 c5 14. Bb5+ Kf8 15. Bd3 d4 16. Be4 g4 17. Qf4 Nh6 18. Bg6 h4 19. f3 gxf3 20. gxf3 Ke8 21. Bh5 Nf5 22. h3 Rg8+ 23. Kf2 Bg5 24. Qxg5 Rxg5 25. Bxg5 Qb6 26. b3 Qa6 27. Nd2 d3 28. cxd3 Qxd3 29. Nc4 Bd5 30. Rad1 Qc3 31. Nd6+ Nxd6 32. exd6 Kd7 33. Bg4 Rg8 34. Rxd5 Rxg5 35. Re3 Qg7 36. Rd2 f5 37. f4 Rg6 38. Bf3 Rg1 39. Re5 Qg3+ 40. Ke3 Rc1 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.07"]
[Round "6"]
[White "Abdalla, Chead Jr"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1-0"]
[ECO "C93"]
[WhiteElo "1896"]
[PlyCount "69"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bb7 6. c3 Nf6 7. 0-0 d6 8. Re1 Be7 9. d4 h6 10. Nbd2 0-0 11. Nf1 Re8 12. Ng3 Bf8 13. h3 Nb8 14. Bc2 Nbd7 15. b3 c5 16. d5 g6 17. Be3 Kh7 18. Qd2 Qa5 19. Nh2 Ng8 20. Ng4 Ndf6 21. Nh2 Nd7 22. f4 f6 23. f5 g5 24. Kf2 Kg7 25. Rh1 Kf7 26. Ng4 Ke7 27. h4 Qc7 28. hxg5 hxg5 29. Bxg5 fxg5 30. Qxg5+ Ngf6 31. Rh7+ Kd8 32. Nxf6 Re7 33. Ng8 Nb6 34. Nxe7 Bxe7 35. f6 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.07"]
[Round "5"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Murtinho, Rodrigo Gomes"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "105"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 c5 7. c3 cxd4 8. cxd4 Nc6 9. a3 Nge7 10. Bg5 Qa5+ 11. Bd2 Qb6 12. Bc3 Ng6 13. 0-0 Nf4 14. Qe3 g5 15. Nxg5 Nh5 16. Nxf7 Kxf7 17. Qf3+ Ke7 18. Qxh5 Nxd4 19. Qh4+ Kd7 20. Qxd4 Qxd4 21. Bxd4 Bh6 22. Nc3 Rhg8 23. Rad1 Rg4 24. f3 Rg6 25. Rf2 a6 26. Na4 Rf8 27. Rd3 Kc6 28. Rc2+ Kd7 29. Nc5+ Ke7 30. Nxb7 Rg5 31. Bc5+ Ke8 32. Bxf8 Kxf8 33. Rc8+ Kf7 34. Nd6+ Kg6 35. Rg8+ Bg7 36. h4 Rxe5 37. g4 h5 38. Ne8 Kf7 39. Rxg7+ Kxe8 40. Rg5 Re1+ 41. Kf2 Rh1 42. Kg2 Rxh4 43. Rxh5 Rxh5 44. gxh5 Kf7 45. Rb3 d4 46. Rb6 d3 47. Kf2 d2 48. Ke2 Kf6 49. Rxa6 Kf5 50. h6 e5 51. h7 e4 52. fxe4+ Ke5 53. h8Q+ 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.06"]
[Round "4"]
[White "Nunes, Agatha Hurba"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1652"]
[PlyCount "94"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 Nc6 5. Nf3 b6 6. e3 Bb7 7. a3 Bxc3 8. Bxc3 Ne7 9. Be2 d5 10. 0-0 0-0 11. b4 dxc4 12. Bxc4 Ned5 13. Bxd5 Nxd5 14. Rc1 a5 15. Qe2 axb4 16. axb4 Qe7 17. b5 Nxc3 18. Rxc3 Ra3 19. Rxa3 Qxa3 20. Rb1 Be4 21. Rd1 Ra8 22. h3 Ra5 23. Nd2 Bd3 24. Qe1 Bxb5 25. Rc1 Qe7 26. Nc4 Bxc4 27. Rxc4 g6 28. Qb4 Qxb4 29. Rxb4 Kf8 30. Rc4 c5 31. dxc5 Rxc5 32. Rxc5 bxc5 33. Kf1 Ke7 34. e4 Kd6 35. f4 Kc6 36. Ke2 Kb5 37. Kd3 Kb4 38. Kc2 Kc4 39. g3 Kd4 40. e5 Ke3 41. Kc3 Kf3 42. Kc4 Kxg3 43. Kxc5 Kxh3 44. Kd6 Kg4 45. Ke7 Kf5 46. Kxf7 h5 47. Kg7 h4 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.06"]
[Round "3"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Dos Santos, Jose Antonio"]
[Result "0-1"]
[ECO "B18"]
[BlackElo "1706"]
[PlyCount "85"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc3 e6 6. a3 Nf6 7. Bg5 Nbd7 8. Bd3 Bxd3 9. Qxd3 Be7 10. Nf3 Qa5 11. 0-0 0-0 12. Ne4 Rfe8 13. Nxf6+ Nxf6 14. b4 Qc7 15. Rfe1 Nd5 16. Re4 h6 17. Bxe7 Qxe7 18. Rae1 Red8 19. Nd2 Qf6 20. Nb3 b6 21. g3 Qg6 22. Qd2 Rd7 23. f4 Rad8 24. c4 Ne7 25. Kg2 h5 26. Re5 Nf5 27. R1e4 h4 28. Qf2 Qg4 29. Qf3 h3+ 30. Kf2 Qxf3+ 31. Kxf3 Nxd4+ 32. Nxd4 Rxd4 33. c5 Rd2 34. Re2 R8d3+ 35. R5e3 Rxe3+ 36. Kxe3 Rd5 37. Kf3 bxc5 38. bxc5 Rxc5 39. a4 Rc4 40. Re4 Rc2 41. Kg4 Rxh2 42. Rc4 Rh1 43. Rxc6 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.05"]
[Round "2"]
[White "Bucci, Andrea Vidigal"]
[Black "Petri, Luiz Sergio Gervenk"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1833"]
[PlyCount "57"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Bc4 a6 5. d3 e6 6. a3 Nd4 7. Nf3 b5 8. Ba2 Nxf3+ 9. Qxf3 Bb7 10. 0-0 Ne7 11. g4 Rb8 12. f5 exf5 13. gxf5 Rg8 14. Bxf7+ Kd7 15. Qg4 Kc7 16. f6 Bc8 17. fxe7 Bxe7 18. Nd5+ Kb7 19. Qf3 Rh8 20. Nxe7 Qxe7 21. Bd5+ Kb6 22. b4 Bd7 23. Qf7 Qe5 24. Be3 Bh3 25. bxc5+ dxc5 26. Qf4 Qe7 27. Rf3 Rhf8 28. Qg3 Qd7 29. Qxh3 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.05"]
[Round "1"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Gotz, Klaus Seiji Furucho"]
[Result "0-1"]
[ECO "B28"]
[BlackElo "1641"]
[PlyCount "72"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Qd3 Qc7 8. Bd2 d6 9. a3 Bxc3 10. Bxc3 0-0 11. Bb4 Rd8 12. 0-0-0 Ne8 13. Qc4 Nc6 14. Na5 Be6 15. Qc3 Nxb4 16. Qxb4 Rdc8 17. c3 b6 18. Nb3 b5 19. Nd2 Rab8 20. a4 a5 21. Qxb5 Rxb5 22. Bxb5 Qb6 23. f3 Nc7 24. c4 Nxb5 25. axb5 Qxb5 26. b3 Qb4 27. Kc2 a4 28. Rb1 axb3+ 29. Rxb3 Qa4 30. Rhb1 Bxc4 31. Nxc4 Qxc4+ 32. Kd2 Qc2+ 33. Ke1 Qxg2 34. Rc3 Qg1+ 35. Kd2 Qd4+ 36. Rd3 Qf2+ 0-1

