[Event "Americana Paulista Interior"]
[Site "Americana"]
[Date "2007.10.30"]
[Round "4"]
[White "Martins Obregon, Joao Carlos"]
[Black "Massarioli, Felipe Alvarenga"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1782"]
[BlackElo "2044"]
[PlyCount "16"]
[EventDate "2007.10.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. h3 Nc6 6. Bd3 e6 7. c3 Be7 8. Bf4 0-0 0-1

[Event "Americana Paulista Interior"]
[Site "Americana"]
[Date "2007.10.14"]
[Round "5"]
[White "De Padua, Camila Marques"]
[Black "Martins Obregon, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "C40"]
[BlackElo "1782"]
[PlyCount "86"]
[EventDate "2007.10.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Qe7 3. Nc3 c6 4. Bc4 d6 5. 0-0 g6 6. d4 h6 7. Be3 Bg7 8. dxe5 dxe5 9. h3 Nf6 10. Qd2 Nbd7 11. Rad1 b5 12. Bb3 b4 13. Na4 Nxe4 14. Qd3 Nef6 15. Qc4 Bb7 16. Bc5 Nxc5 17. Nxc5 Nd5 18. Nxb7 Qxb7 19. Rfe1 0-0 20. Nxe5 Rac8 21. Nxc6 Qxc6 22. Qxc6 Rxc6 23. Rxd5 Bxb2 24. Rd7 a6 25. Red1 Be5 26. Rb7 Bc3 27. Rdd7 Rf6 28. f3 Kg7 29. Bc4 g5 30. Ra7 Rf4 31. Bxa6 Bd4+ 32. Rxd4 Rxd4 33. Bd3 Rfd8 34. Rb7 Ra8 35. Kf2 Rxa2 36. Ke3 Rf4 37. g3 Rf6 38. Rxb4 Ra7 39. Rc4 Re7+ 40. Kf2 Rd6 41. Rb4 Rc7 42. Re4 Ra7 43. Rc4 Re7 1/2-1/2

[Event "Americana Paulista Interior"]
[Site "Americana"]
[Date "2007.10.14"]
[Round "6"]
[White "Martins Obregon, Joao Carlos"]
[Black "Cirilo, Guilherme de Araujo"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1782"]
[PlyCount "98"]
[EventDate "2007.10.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. h3 g6 6. Bd3 Nc6 7. c3 Bg7 8. 0-0 0-0 9. Bf4 Re8 10. Re1 Bd7 11. Nbd2 Qb6 12. Qb3 Qxb3 13. Nxb3 b6 14. Re2 e6 15. Rae1 h6 16. Nbd2 Nh7 17. Ba6 Bc8 18. Bb5 Bb7 19. Ne5 Nxe5 20. Bxe5 Rec8 21. Bxg7 Kxg7 22. Bd3 a6 23. Nf3 b5 24. Ne5 Bc6 25. Re3 Be8 26. Bb1 Rcb8 27. Nd3 a5 28. a3 Nf6 29. Nc5 Nd7 30. Nxd7 Bxd7 31. Bd3 b4 32. axb4 axb4 33. c4 dxc4 34. Bxc4 Rc8 35. b3 Ra3 36. d5 Re8 37. dxe6 Bxe6 38. Bxe6 Rxe6 39. Rxe6 fxe6 40. Re3 Kf6 41. Kf1 Ke7 42. Rd3 e5 43. Ke2 Ke6 44. Ke3 Ra8 45. Rd2 Rc8 46. Rd3 h5 47. g4 hxg4 48. hxg4 Kf6 49. Rd2 Rc3+ 1/2-1/2

[Event "Americana Paulista Interior"]
[Site "Americana"]
[Date "2007.10.12"]
[Round "2"]
[White "Martins Obregon, Joao Carlos"]
[Black "De Souza, Talitha Catarino"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1782"]
[PlyCount "102"]
[EventDate "2007.10.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 d6 6. h3 0-0 7. Be3 Bxe3 8. fxe3 Be6 9. Bb3 Bxb3 10. axb3 a6 11. g4 Qd7 12. Qe2 d5 13. exd5 Nxd5 14. Ne4 Qe7 15. 0-0 f5 16. Nc3 Nxc3 17. bxc3 fxg4 18. hxg4 e4 19. Nd2 exd3 20. cxd3 Rad8 21. Rxf8+ Rxf8 22. Kg2 Qg5 23. Ne4 Qh4 24. Rh1 Qe7 25. g5 Qf7 26. Qh5 Qxh5 27. Rxh5 b6 28. Rh1 Ne5 29. d4 Nd3 30. Rd1 Re8 31. Rxd3 Rxe4 32. Kf3 Re8 33. e4 Kf7 34. Re3 Ke6 35. Kg4 Rf8 36. Rh3 Rh8 37. Rf3 h5+ 38. Kh4 a5 39. Rf5 c6 40. Re5+ Kd7 41. c4 g6 42. d5 Rg8 43. Re6 cxd5 44. exd5 Kc7 45. Kg3 Rg7 46. Rc6+ Kb7 47. Re6 Kc7 48. Rc6+ Kb7 49. Kf4 Rg8 50. Ke5 Re8+ 51. Kf4 Rg8 1/2-1/2

[Event "Birigui U2200 op 1st"]
[Site "Birigui"]
[Date "2006.12.08"]
[Round "6"]
[White "De Almeida, Pedro G"]
[Black "Martins Obregon, Joao Carlos"]
[Result "1-0"]
[ECO "C72"]
[PlyCount "59"]
[EventDate "2006.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 f5 6. exf5 Bxf5 7. d3 Be7 8. Nc3 Nf6 9. Bxc6+ bxc6 10. Be3 Bg4 11. Qe2 0-0 12. Bg5 h6 13. Bh4 Rb8 14. Rab1 Rb4 15. Bg3 Nh5 16. a3 Rb8 17. Qe4 Bxf3 18. gxf3 Qd7 19. Qg4 Nf6 20. Qxd7 Nxd7 21. Kg2 d5 22. Rfe1 Bd6 23. Ne2 c5 24. c3 Rb6 25. Ng1 Rb7 26. b4 cxb4 27. axb4 a5 28. Nh3 Rbb8 29. d4 axb4 30. cxb4 1-0

[Event "Birigui U2200 op 1st"]
[Site "Birigui"]
[Date "2006.12.08"]
[Round "?"]
[White "Dos Santos Seade, Joao Pedro"]
[Black "Martins Obregon, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "D46"]
[PlyCount "137"]
[EventDate "2006.12.08"]
[EventType "swiss"]
[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 e6 3. e3 d5 4. Nf3 c6 5. Bd3 Nbd7 6. 0-0 Bd6 7. Nc3 0-0 8. Ng5 h6 9. Nf3 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. cxd5 cxd5 13. Qe2 Bg4 14. f3 Be6 15. Rd1 Qc7 16. g3 Bxc3 17. bxc3 Qxc3 18. Bb2 Qa5 19. Bxf6 gxf6 20. Qb2 Qc5 21. Re1 Qe7 22. Qd2 Kg7 23. Qe2 f5 24. e4 fxe4 25. fxe4 dxe4 26. Qxe4 Rh8 27. Qe5+ Qf6 28. Qe4 Rad8 29. Rf1 Qd4+ 30. Qxd4+ Rxd4 31. Rad1 Rhd8 32. Bc2 Rxd1 33. Bxd1 Rd2 34. Bb3 Bd5 35. Rb1 Bc6 36. Rd1 Rg2+ 37. Kh1 Rxg3+ 38. Bd5 Rg6 39. Bxc6 Rxc6 40. Rd7 Rb6 41. a4 Rb2 42. a5 a6 43. Kg1 Rb5 44. Kg2 Rxa5 45. Rxb7 Rg5+ 46. Kf3 Rb5 47. Ra7 a5 48. Ra6 Rf5+ 49. Kg4 Rg5+ 50. Kf3 f6 51. h4 Re5 52. Kf4 h5 53. Ra7+ Kg6 54. Ra6 Rb5 55. Kg3 Kf5 56. Kf3 Ke5 57. Kg3 Kf5 58. Kf3 Re5 59. Kg3 Rd5 60. Kf3 Ke5 61. Ra7 Kd4 62. Kf4 Kc4 63. Ke4 Re5+ 64. Kf4 Kd4 65. Ra6 Re4+ 66. Kf5 Rxh4 67. Kxf6 Re4 68. Rxa5 h4 69. Rh5 1/2-1/2

[Event "Birigui U2200 op 1st"]
[Site "Birigui"]
[Date "2006.12.08"]
[Round "5"]
[White "Martins Obregon, Joao Carlos"]
[Black "Calixto, Roberto Carlos"]
[Result "0-1"]
[ECO "B32"]
[PlyCount "67"]
[EventDate "2006.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 h6 6. Bc4 Nf6 7. Qe2 a6 8. a4 b6 9. 0-0 Bb7 10. Nc3 Be7 11. Bd5 d6 12. Rd1 Qc7 13. Be3 0-0 14. Ba2 Nb4 15. Nd5 Nfxd5 16. Bxd5 Bxd5 17. exd5 Qxc2 18. Qxc2 Nxc2 19. Rac1 Nxe3 20. fxe3 Rfc8 21. Rc6 Rxc6 22. dxc6 Rc8 23. Rc1 a5 24. Rc2 Bd8 25. Kf1 Kf8 26. e4 Ke8 27. Ne1 Ke7 28. Nd3 Kf6 29. b4 axb4 30. Nxb4 Bc7 31. g4 g6 32. Kf2 h5 33. gxh5 gxh5 34. Ke3 0-1

[Event "Birigui U2200 op 1st"]
[Site "Birigui"]
[Date "2006.12.08"]
[Round "?"]
[White "Martins Obregon, Joao Carlos"]
[Black "Cavallieri Santos, Paulo Rogerio"]
[Result "0-1"]
[ECO "B76"]
[BlackElo "2105"]
[PlyCount "96"]
[EventDate "2006.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[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 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 Qa5 12. a3 Rfc8 13. Nd5 Qxd2 14. Nxf6+ Bxf6 15. Rxd2 Bxd4 16. Rxd4 f5 17. Bd3 f4 18. Re1 Rc5 19. b4 Rg5 20. Bf1 a5 21. b5 Rc8 22. c4 Rgc5 23. Rc1 Kf7 24. Kb2 Kf6 25. g3 g5 26. a4 h5 27. Kb3 d5 28. exd5 Rxd5 29. Rcd1 Rxd4 30. Rxd4 fxg3 31. hxg3 Rh8 32. Kc3 h4 33. gxh4 gxh4 34. Rd2 h3 35. Rh2 Kg5 36. Bd3 Kf4 37. Be4 b6 38. Kd4 Rd8+ 39. Kc3 Rg8 40. Kd4 Rg5 41. Rd2 Rg2 42. Rd1 h2 43. Rh1 Ra2 44. Kc3 Rxa4 45. Rxh2 Rxc4+ 46. Kd3 Rc5 47. Bc6 Bc4+ 48. Kd4 e5+ 0-1

[Event "Birigui U2200 op 1st"]
[Site "Birigui"]
[Date "2006.12.08"]
[Round "7"]
[White "Martins Obregon, Joao Carlos"]
[Black "Da Silva, Danilo Santos"]
[Result "1-0"]
[ECO "C60"]
[PlyCount "77"]
[EventDate "2006.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[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 Nge7 4. d4 a6 5. Ba4 b5 6. Bb3 Na5 7. Nxe5 Nxb3 8. axb3 d6 9. Nf3 Ng6 10. Bg5 Be7 11. Bxe7 Qxe7 12. 0-0 0-0 13. Nbd2 Bb7 14. Re1 Rfe8 15. d5 c6 16. c4 Nf4 17. Nf1 Qf6 18. Qd4 Qxd4 19. Nxd4 bxc4 20. dxc6 Bc8 21. bxc4 Nd3 22. Re2 Be6 23. b3 Nb4 24. f3 Rac8 25. Rd2 Nxc6 26. Nxe6 fxe6 27. Rxd6 e5 28. Rd5 Ra8 29. Nd2 Kf7 30. Rd6 Red8 31. Rxc6 Rxd2 32. Raxa6 Rxa6 33. Rxa6 Rd1+ 34. Kf2 Rd2+ 35. Kg3 Rb2 36. Rb6 Rc2 37. Rb5 Ke6 38. Rb7 Kd6 39. Rxg7 1-0

[Event "Birigui U2200 op 1st"]
[Site "Birigui"]
[Date "2006.12.08"]
[Round "3"]
[White "Martins Obregon, Joao Carlos"]
[Black "Martinelli Junior, Jose de Paula"]
[Result "1-0"]
[ECO "C60"]
[PlyCount "57"]
[EventDate "2006.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[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 Bd6 4. 0-0 Qf6 5. d3 Nd4 6. Nxd4 exd4 7. f4 Qh4 8. e5 Bc5 9. Qf3 Nh6 10. Qf2 Qh5 11. Qf3 Ng4 12. h3 0-0 13. Qxg4 Qxg4 14. hxg4 d6 15. exd6 cxd6 16. f5 a6 17. Bc4 Bd7 18. Bd5 Ba4 19. b3 Bc6 20. Bxc6 bxc6 21. Ba3 Bxa3 22. Nxa3 Rae8 23. Rae1 Rc8 24. Nc4 d5 25. Ne5 Rfe8 26. Nxc6 Rxe1 27. Rxe1 f6 28. Ne7+ Kf8 29. Nxc8 1-0

[Event "Birigui U2200 op 1st"]
[Site "Birigui"]
[Date "2006.12.08"]
[Round "4"]
[White "Supi, Luis Paulo"]
[Black "Martins Obregon, Joao Carlos"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1979"]
[PlyCount "78"]
[EventDate "2006.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Ng4 7. cxd4 Bb4+ 8. Bd2 Bxd2+ 9. Nbxd2 d5 10. Bd3 0-0 11. h3 Nh6 12. Nb3 Bf5 13. 0-0 Nb4 14. Bxf5 Nxf5 15. Qd2 Nc6 16. Rfe1 Re8 17. Re2 b6 18. Qc2 Qd7 19. Rc1 Nb4 20. Qb1 Rac8 21. a3 Na6 22. Qd3 Nb8 23. Rec2 c6 24. a4 Qe6 25. a5 Qg6 26. axb6 axb6 27. Rc3 Ne7 28. Qxg6 Nxg6 29. g3 f6 30. Re3 fxe5 31. Nxe5 Nxe5 32. Rxe5 Rxe5 33. dxe5 Kf7 34. Nd4 g6 35. f4 Ke7 36. Ra1 Rc7 37. Rc1 Kd7 38. g4 c5 39. Nb5 Rc6 1-0

