[Event "Brasiliense-ch"]
[Site "Brazil"]
[Date "1990.11.??"]
[Round "9"]
[White "Goncalves, Tasso"]
[Black "Sobrinho, Pedro"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1977"]
[BlackElo "1774"]
[PlyCount "99"]
[EventDate "1990.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 0-0 5. d3 Nc6 6. 0-0 d6 7. h3 h6 8. Ne2 a6 9. Be3 b5 10. Bb3 Ba5 11. a4 Nb8 12. axb5 axb5 13. c3 c6 14. Bc2 Bb7 15. Ng3 Bb6 16. Rxa8 Bxa8 17. d4 Nbd7 18. Nf5 Bc7 19. Qd2 c5 20. d5 Nb6 21. Bxh6 Nh5 22. g4 Nc4 23. Qc1 Nf4 24. Bxf4 exf4 25. b3 Ne3 26. fxe3 fxe3 27. Nxe3 Qf6 28. c4 Qf4 29. Nf5 Qxc1 30. Rxc1 b4 31. Ra1 g6 32. N5h4 Rb8 33. Ra7 Bd8 34. g5 Bb7 35. Ng2 Bc8 36. h4 Kg7 37. Kf2 Bg4 38. Ne3 Bxf3 39. Kxf3 Bb6 40. Ra6 Bc7 41. Ng4 Rh8 42. Kg3 Rf8 43. Nf6 Bb8 44. Ra8 Rh8 45. Nd7 Bc7 46. Rxh8 Kxh8 47. Kg4 Kg7 48. Nf6 Bb8 49. Bd1 Bc7 50. Ne8+ 1-0

[Event "Brasiliense-ch"]
[Site "Brazil"]
[Date "1990.11.??"]
[Round "8"]
[White "Sobrinho, Pedro"]
[Black "Fonseca, Antonio"]
[Result "1/2-1/2"]
[ECO "E40"]
[WhiteElo "1774"]
[BlackElo "1916"]
[PlyCount "59"]
[EventDate "1990.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c6 7. cxd5 cxd5 8. Bd3 0-0 9. Nf3 Nc6 10. 0-0 a6 11. Nd2 b5 12. Nb3 Re8 13. f4 Ne7 14. Bd2 Ng6 15. Nc5 Nd7 16. Nxd7 Bxd7 17. e4 Bc6 18. e5 f5 19. g3 Nh8 20. Bb1 Nf7 21. Be1 Nh6 22. h3 g6 23. Bc2 Qe7 24. a4 Kh8 25. Kh2 Rg8 26. Rg1 Nf7 27. Qd3 Qd7 28. Qd1 Qb7 29. Rb1 Qd7 30. Ra1 1/2-1/2

[Event "Brasiliense-ch"]
[Site "Brazil"]
[Date "1990.10.02"]
[Round "1"]
[White "Sobrinho, Pedro"]
[Black "Leal, Ruy Fernando"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1774"]
[BlackElo "2046"]
[PlyCount "62"]
[EventDate "1990.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 c5 5. a3 cxd4 6. axb4 dxc3 7. Bxc3 0-0 8. Nf3 Ne4 9. Bxg7 Kxg7 10. Qd4+ Nf6 11. Rxa7 Nc6 12. Qh4 Rxa7 13. Ng5 Ne5 14. Qg3 Ng6 15. e3 Ra1+ 16. Kd2 h6 17. h4 hxg5 18. Ke2 Rh8 19. Qxg5 Qc7 20. c5 Rh5 21. Qg3 Qxg3 22. fxg3 Ne4 23. Rh3 Rf5 24. h5 Rxh5 25. Kf3 Rxh3 26. gxh3 Rxf1+ 27. Kxe4 f5+ 28. Kd3 Ne5+ 29. Kd4 Kf6 30. b5 Rc1 31. h4 Rc4# 0-1

[Event "Brasiliense-ch"]
[Site "Brazil"]
[Date "1990.10.??"]
[Round "5"]
[White "Abrantes, Tiago Garrido"]
[Black "Sobrinho, Pedro"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1999"]
[BlackElo "1774"]
[PlyCount "153"]
[EventDate "1990.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 d6 5. g3 Bxc3+ 6. bxc3 0-0 7. Bg2 b6 8. 0-0 Nc6 9. Re1 a5 10. d4 Re8 11. d5 Ne7 12. h3 h6 13. Kh2 Nh7 14. Nd2 Ng6 15. Nf1 f5 16. Qd3 f4 17. gxf4 exf4 18. Nd2 Ne5 19. Qd4 g5 20. Nf3 Qf6 21. Nxe5 Rxe5 22. Bf3 Nf8 23. Bg4 Ng6 24. f3 Nh4 25. Qd3 Bxg4 26. hxg4 Qg6 27. Bb2 h5 28. c4 Re7 29. Kg1 hxg4 30. fxg4 f3 31. e5 Qf7 32. Kf2 Ng2 33. e6 Qh7 34. Qxh7+ Kxh7 35. Rh1+ Kg6 36. Kxf3 Nf4 37. Rh2 Rf8 38. Kg3 Rh7 39. Rxh7 Kxh7 40. Rh1+ Kg6 41. Rh8 Ne2+ 42. Kg2 Nf4+ 43. Kh2 Rxh8+ 44. Bxh8 c6 45. dxc6 Nxe6 46. Bd4 Kf7 47. Bxb6 Ke8 48. Bxa5 Nd4 49. c7 Kd7 50. Kg3 Nxc2 51. Bb6 Na3 52. c5 dxc5 53. Bxc5 Nc4 54. Be7 Kxc7 55. Bxg5 Kd7 56. Kf4 Ke6 57. Bd8 Kf7 58. a4 Kg6 59. a5 Nd6 60. a6 Nc8 61. Ke5 Na7 62. Kd6 Kf7 63. Kc7 Ke8 64. Kb7 Nb5 65. Bh4 Kd7 66. a7 Nxa7 67. Kxa7 Ke6 68. Kb6 Ke5 69. Kc5 Kf4 70. g5 Kf5 71. Kd5 Kg6 72. Ke6 Kg7 73. Kf5 Kh7 74. Kf6 Kh8 75. g6 Kg8 76. g7 Kh7 77. Kf7 1-0

[Event "Brasiliense-ch"]
[Site "Brazil"]
[Date "1990.10.??"]
[Round "7"]
[White "Bento, Antonio"]
[Black "Sobrinho, Pedro"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1981"]
[BlackElo "1774"]
[PlyCount "55"]
[EventDate "1990.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 Bb7 3. e4 e5 4. Nf3 Nf6 5. d3 Nc6 6. Nd5 Bb4+ 7. Nxb4 Nxb4 8. Nxe5 0-0 9. Be2 Re8 10. Nf3 Nc6 11. Bg5 a5 12. 0-0 Ne5 13. Nd4 c5 14. Nb5 Re6 15. f4 Qb8 16. fxe5 Qxe5 17. Qd2 Bxe4 18. Bxf6 Rxf6 19. Rxf6 Bxg2 20. Kxg2 Qxf6 21. Rf1 Qc6+ 22. Bf3 Qg6+ 23. Kh1 Re8 24. Be4 Qh5 25. Nd6 Re7 26. Nxf7 d5 27. Bxd5 Re2 28. Nh6+ 1-0

[Event "Brasiliense-ch"]
[Site "Brazil"]
[Date "1990.10.??"]
[Round "2"]
[White "Dischinger, Jose Luiz"]
[Black "Sobrinho, Pedro"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1975"]
[BlackElo "1774"]
[PlyCount "52"]
[EventDate "1990.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bc5 5. Bxc6 Ng4 6. d4 exd4 7. Na4 Bb4+ 8. c3 dxc3 9. bxc3 Qe7 10. 0-0 Bc5 11. Bd5 c6 12. Bxf7+ Qxf7 13. Nxc5 0-0 14. Qb3 d5 15. exd5 cxd5 16. Ba3 Qh5 17. h3 Rxf3 18. Ne4 Rxh3 19. gxh3 Ne3 20. fxe3 Qg6+ 21. Kh2 Be6 22. Qxb7 Re8 23. Rg1 Qh6 24. Ng5 Qf6 25. Nxe6 Rxe6 26. Qc8+ Qf8 1-0

[Event "Brasiliense-ch"]
[Site "Brazil"]
[Date "1990.10.??"]
[Round "3"]
[White "Sobrinho, Pedro"]
[Black "Arruda de Sa, Jayme"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1774"]
[BlackElo "1829"]
[PlyCount "60"]
[EventDate "1990.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nc3 c6 5. Nf3 Nbd7 6. Bd3 Bb4 7. 0-0 0-0 8. Bd2 a6 9. a3 Ba5 10. b4 Bc7 11. Ne2 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Nd4 dxc4 15. Bxc4 Bxd4 16. exd4 Qxd4 17. Qc2 Bg4 18. Bd3 Rad8 19. Bxh7+ Nxh7 20. Be3 Qd5 21. f3 Bf5 22. Qb2 Nf6 23. Rfd1 Qe6 24. Bb6 Rxd1+ 25. Rxd1 Nd5 26. Bd4 f6 27. Qf2 Re8 28. g4 Bxg4 29. fxg4 Qxg4+ 30. Kf1 Qxd1+ 0-1

[Event "Brasiliense-ch"]
[Site "Brazil"]
[Date "1990.10.??"]
[Round "4"]
[White "Sobrinho, Pedro"]
[Black "Farias, Pedro"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1774"]
[BlackElo "1991"]
[PlyCount "79"]
[EventDate "1990.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Be2 Nc6 4. 0-0 Qc7 5. b3 Nf6 6. Nc3 Be7 7. Bb2 d6 8. Nb5 Qb8 9. c4 a6 10. Nc3 Bd7 11. d4 cxd4 12. Nxd4 Ne5 13. h3 Qa7 14. Nf3 0-0-0 15. Nb1 Nxe4 16. Nxe5 dxe5 17. Bxe5 Bc6 18. Qe1 Bf6 19. Bxf6 gxf6 20. Bf3 Ng3 21. Bxc6 bxc6 22. Nc3 Nxf1 23. Qxf1 Rdg8 24. Ne4 Rg6 25. c5 Rhg8 26. g3 f5 27. Nd6+ Kb8 28. Qc4 Rd8 29. b4 Rg7 30. Qf4 Ka8 31. Qf3 Qc7 32. a4 Ka7 33. b5 cxb5 34. axb5 Rxd6 35. cxd6 Qxd6 36. Rxa6+ Qxa6 37. bxa6 Kxa6 38. Qc3 Rg6 39. Qc4+ Kb6 40. Kf1 1-0

