[Event "Cidade do Salvador op"]
[Site "Cidade do Salvador"]
[Date "2009.04.09"]
[Round "1"]
[White "Carvalho Sobrinho, Joao"]
[Black "Azevedo, Edmundo Roberto Ram"]
[Result "0-1"]
[ECO "D17"]
[BlackElo "2178"]
[PlyCount "90"]
[EventDate "2009.04.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 Nf6 3. Nf3 d5 4. d4 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 e6 8. Bf4 Nb6 9. Nxb6 Qxb6 10. Qd2 Bb4 11. f3 Rd8 12. Be5 0-0 13. Qg5 Ne8 14. Qc1 f6 15. Bf4 Qxd4 16. e4 Bg6 17. Be3 Qd6 18. Bxa7 c5 19. a5 Nc7 20. Bb6 Rd7 21. Bxc7 Qxc7 22. Bc4 Bf7 23. a6 Rd4 24. a7 Ra8 25. Be2 b6 26. 0-0 Bxc3 27. bxc3 Rd7 28. Bb5 Re7 29. Rd1 h6 30. Qd2 Rxa7 31. Rxa7 Qxa7 32. Qd8+ Kh7 33. Rd6 Rb7 34. Bc4 Qa1+ 35. Kf2 Qb2+ 36. Kg3 Qxc3 37. Ba6 Ra7 38. Qxb6 Qe5+ 39. f4 Qc3+ 40. Rd3 Qe1+ 41. Kh3 Ra8 42. Qb7 Rf8 43. Rd7 Qe3+ 44. g3 Kg8 45. Bc4 Qf3 0-1

[Event "Salvador op"]
[Site "Salvador"]
[Date "2007.04.05"]
[Round "4"]
[White "Azevedo, Alcides Alexandre"]
[Black "Carvalho Sobrinho, Joao"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2161"]
[PlyCount "46"]
[EventDate "2007.04.05"]
[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 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 Be7 10. Bd3 0-0 11. Rhe1 Re8 12. Qh3 e5 13. Nf5 Bf8 14. Qh4 Re6 15. Nd5 Nxd5 16. exd5 Rg6 17. Bd8 Qc5 18. Ne7+ Bxe7 19. Qxe7 Rxg2 20. Qe8+ Nf8 21. Be7 Bf5 22. Qxa8 Qc8 23. Qxc8 Bxc8 1-0

[Event "Salvador op"]
[Site "Salvador"]
[Date "2007.04.05"]
[Round "2"]
[White "Martins, Vinicius Tine"]
[Black "Carvalho Sobrinho, Joao"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2186"]
[PlyCount "85"]
[EventDate "2007.04.05"]
[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 a6 6. Be3 Ng4 7. Bc1 e5 8. Nb3 Nf6 9. f3 Be7 10. Be3 Nbd7 11. Qd2 b5 12. a4 b4 13. Nd5 Nxd5 14. Qxd5 Rb8 15. Bc4 0-0 16. a5 Bb7 17. Qd3 Qc8 18. 0-0 Qc6 19. Rf2 Nf6 20. Bg5 Rbc8 21. Bd5 Nxd5 22. exd5 Qd7 23. Bxe7 Qxe7 24. Ra4 f5 25. Rxb4 Qf7 26. c4 Qc7 27. Qe3 Rf7 28. Qa7 Ra8 29. Qb6 Qb8 30. c5 dxc5 31. Nxc5 Rc7 32. Nxb7 e4 33. d6 Rc1+ 34. Rf1 Rxf1+ 35. Kxf1 Qc8 36. Nc5 e3 37. d7 Qf8 38. Rd4 e2+ 39. Kxe2 Qe7+ 40. Qe6+ Kf8 41. d8R+ Rxd8 42. Rxd8+ Qxd8 43. Nd7+ 1-0

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2002.02.??"]
[Round "1"]
[White "Bere Filho, Romulo Fernando"]
[Black "Carvalho Sobrinho, Joao"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2123"]
[PlyCount "84"]
[EventDate "2002.02.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 e6 4. c3 d5 5. e5 Be7 6. Be2 Nh6 7. 0-0 a6 8. Kh1 Ng4 9. d4 h5 10. Na3 Bd7 11. Nc2 Qb6 12. dxc5 Bxc5 13. Nfd4 f5 14. exf6 Nxf6 15. Bf3 0-0-0 16. Nb3 Bd6 17. Be3 Qc7 18. Qd2 Rh7 19. h4 Ne7 20. g3 Nf5 21. Kg2 Bb5 22. Rf2 e5 23. fxe5 Bxe5 24. Bf4 Ne4 25. Bxe4 dxe4 26. Bxe5 Qxe5 27. Qf4 Qxf4 28. Rxf4 g6 29. Ncd4 Nxd4 30. Nxd4 Bc4 31. Kf2 Re7 32. Ke3 Bd3 33. Rd1 Re5 34. Rd2 g5 35. Rf5 Rxf5 36. Nxf5 gxh4 37. Nxh4 Rf8 38. Rf2 Rg8 39. Nf5 Kd7 40. Rh2 Rg5 41. Kf4 Rg4+ 42. Ke3 Rg5 1/2-1/2

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2002.02.??"]
[Round "2"]
[White "Carvalho Sobrinho, Joao"]
[Black "Horta, Antonio Mauricio"]
[Result "0-1"]
[ECO "A26"]
[PlyCount "114"]
[EventDate "2002.02.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. Rb1 0-0 7. 0-0 Bf5 8. d3 Nc6 9. e4 Bg4 10. h3 Bd7 11. Be3 h6 12. Qd2 g5 13. Nd5 Nxd5 14. cxd5 Nd4 15. Bxd4 exd4 16. Qb4 Qc8 17. Kh2 a5 18. Qa3 f5 19. b4 a4 20. Qb2 Qe8 21. Qc2 fxe4 22. dxe4 Bb5 23. Rfe1 c6 24. Rbd1 d3 25. Qd2 Qg6 26. e5 dxe5 27. Nxe5 Bxe5 28. Rxe5 Qf6 29. Re6 Qxf2 30. Qc3 Qf7 31. Rf1 Qg7 32. Qd2 Rxf1 33. Bxf1 Qd4 34. Rxh6 Qxd5 35. Rg6+ Kf7 36. Rxg5 Qf3 37. g4 Qxf1 38. Rf5+ Qxf5 39. gxf5 Re8 40. Kg3 Re2 41. Qh6 d2 42. Qg6+ Kf8 43. Qd6+ Kf7 44. Kf3 Rh2 45. Kg3 Re2 46. Kf3 Bc4 47. h4 Rh2 48. Kg3 Bd5 49. Qg6+ Ke7 50. Qg5+ Ke8 51. Qg6+ Kd7 52. Kxh2 d1Q 53. Qg7+ Kc8 54. Qf8+ Kc7 55. Qe7+ Kb8 56. f6 Qh1+ 57. Kg3 Qf3+ 0-1

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2002.02.??"]
[Round "4"]
[White "Carvalho Sobrinho, Joao"]
[Black "Simoes, Gilberto Machado"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "48"]
[EventDate "2002.02.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 e4 5. Ng3 Qe7 6. Qc2 Nb4 7. Qb1 d6 8. Ngxe4 Bf5 9. Nxd6+ Qxd6 10. Qxf5 g6 11. Qb1 0-0-0 12. d4 Qe7 13. Be2 Bg7 14. 0-0 Rhe8 15. a3 Nc6 16. b4 h5 17. Qc2 Ng4 18. b5 Qh4 19. h3 Nxd4 20. exd4 Bxd4 21. Ra2 Nxf2 22. Rxf2 Qxf2+ 23. Kh2 Be5+ 24. Kh1 Qe1+ 0-1

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2002.02.??"]
[Round "5"]
[White "Chagas, Carlos Alberto"]
[Black "Carvalho Sobrinho, Joao"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "80"]
[EventDate "2002.02.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. f3 Nc6 4. Bd3 e5 5. Ne2 Bd6 6. Ng3 h5 7. h4 e4 8. Bb5 Bxg3+ 9. Ke2 Bd7 10. c4 Qe7 11. Qa4 exf3+ 12. gxf3 Nxd4+ 13. Kd3 Nxf3 14. Bxd7+ Qxd7 15. Qxd7+ Kxd7 16. Rh3 Ne4 17. Ke2 Ng1+ 18. Kd3 Nxh3 19. cxd5 Rhe8 20. a4 Bxh4 21. a5 Rad8 22. Ra4 Nc5+ 23. Kd4 Nxa4 24. b3 Bf6+ 25. Kc4 Nb2+ 26. Bxb2 Bxb2 27. Kd3 Kc8 28. e4 Nf4+ 29. Kc2 Bf6 30. Nd2 h4 31. b4 h3 32. Nf1 Rxe4 33. Kb3 Rxd5 34. Ka4 Rd3 35. a6 b6 36. Kb5 Rd5+ 37. Ka4 Nd3 38. Kb3 Rxb4+ 39. Kc2 Rb2+ 40. Kd1 Nf2+ 0-1

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2002.02.??"]
[Round "3"]
[White "Litrento, Oliveiros Lessa"]
[Black "Carvalho Sobrinho, Joao"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "2009"]
[PlyCount "92"]
[EventDate "2002.02.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. cxd5 Qxd5 4. Nc3 Bb4 5. e3 Nc6 6. Bd2 Qd8 7. d5 Nce7 8. Qa4+ c6 9. Qxb4 cxd5 10. Bb5+ Kf8 11. Nge2 Nf6 12. h3 Qb6 13. Qb3 Be6 14. Bd3 Qc6 15. Qd1 d4 16. exd4 Qxg2 17. Rf1 Bxh3 18. Ng3 exd4 19. Nce4 Ned5 20. Nxf6 Nxf6 21. Bb4+ Kg8 22. Kd2 Qh2 23. Kc2 Nd5 24. Kb3 Be6 25. Bc4 Qg2 26. Qxd4 a5 27. Bc3 Nxc3 28. bxc3 Qh3 29. Bxe6 Qxe6+ 30. Kb2 h5 31. Rae1 Qc6 32. Rh1 Rh6 33. Rhg1 Rd6 34. Qe5 Rd5 35. Qe3 Rad8 36. Re2 f6 37. Qe6+ Qxe6 38. Rxe6 Rd2+ 39. Kb3 Rxf2 40. Nxh5 Rdd2 41. Rxg7+ Kf8 42. Ree7 Rb2+ 43. Kc4 b5+ 44. Kd4 Rbd2+ 45. Kc5 Rf5+ 46. Kb6 Rxh5 0-1

[Event "BRA-ch Seniors"]
[Site "Itapiruba"]
[Date "1997.02.??"]
[Round "2"]
[White "Caporale, Giuseppe Guido"]
[Black "Carvalho Sobrinho, Joao"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "67"]
[EventDate "1997.02.20"]
[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. Bc4 e6 4. c3 Qe7 5. 0-0 g6 6. d4 cxd4 7. cxd4 Bg7 8. Be3 Qb4 9. Qe2 Nge7 10. a3 Qa5 11. Nc3 a6 12. Rfd1 b5 13. Ba2 0-0 14. Rac1 Bb7 15. d5 Nd8 16. Bc5 Re8 17. Qe3 Nc8 18. d6 Nc6 19. e5 Rb8 20. Ne2 b4 21. Ned4 bxa3 22. bxa3 Ba8 23. Rc2 Nb6 24. Nb3 Nd5 25. Rxd5 Rxb3 26. Bxb3 exd5 27. Bxd5 Nxe5 28. Qb3 Nxf3+ 29. gxf3 Bxd5 30. Qxd5 Re5 31. Qa8+ Bf8 32. Be3 Qd5 33. Qxf8+ Kxf8 34. Bh6+ 1-0

[Event "BRA-ch Seniors"]
[Site "Itapiruba"]
[Date "1997.02.??"]
[Round "3"]
[White "Carvalho Sobrinho, Joao"]
[Black "Kerr, Gerson de Campos"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "41"]
[EventDate "1997.02.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Bxc3 5. bxc3 d6 6. Rb1 Nc6 7. e3 Qa5 8. Qc2 Nf6 9. Ne2 h5 10. 0-0 h4 11. Nf4 Nd8 12. d4 g5 13. Rb5 Qc7 14. Nd3 Bd7 15. Rb1 Rb8 16. e4 Rg8 17. e5 Nh7 18. Nxc5 Nf8 19. exd6 Qxd6 20. Ne4 Qh6 21. Re1 1-0

[Event "BRA-ch Seniors"]
[Site "Itapiruba"]
[Date "1997.02.??"]
[Round "1"]
[White "Carvalho Sobrinho, Joao"]
[Black "Segundo da Costa, Pedro"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "21"]
[EventDate "1997.02.20"]
[EventType "swiss"]
[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 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. e3 0-0 6. Nge2 d6 7. 0-0 h6 8. h3 Re8 9. Rb1 Bf5 10. d3 a5 11. b3 1/2-1/2

[Event "BRA-ch Seniors"]
[Site "Itapiruba"]
[Date "1997.02.??"]
[Round "4"]
[White "Matsuura, Queenti"]
[Black "Carvalho Sobrinho, Joao"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "75"]
[EventDate "1997.02.20"]
[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. f4 Nc6 3. Nf3 Qc7 4. d3 g6 5. Nc3 Bg7 6. Be3 d6 7. Be2 e6 8. 0-0 Nge7 9. d4 cxd4 10. Nxd4 a6 11. Qd2 0-0 12. Rad1 Rd8 13. Bf3 e5 14. Nb3 b5 15. Qf2 Rb8 16. Nd5 Nxd5 17. exd5 Ne7 18. fxe5 Bxe5 19. c3 b4 20. Be2 Nf5 21. Ba7 Rb7 22. Bd4 bxc3 23. bxc3 Nxd4 24. cxd4 Bg7 25. Bxa6 Rxb3 26. Bxc8 Rb4 27. Bh3 Qa7 28. Kh1 Rdb8 29. Rd2 Ra4 30. g3 Bh6 31. Rc2 Ra3 32. Qf6 Bf8 33. Bc8 Ra5 34. Rfc1 Qe7 35. Qf3 Bh6 36. Rc7 Qf8 37. R1c2 Rxc8 38. Rxc8 1-0

[Event "BRA-ch Seniors"]
[Site "Itapiruba"]
[Date "1997.02.??"]
[Round "7"]
[White "Queiroz, Alexandre"]
[Black "Carvalho Sobrinho, Joao"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "69"]
[EventDate "1997.02.20"]
[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. Nc3 Nc6 3. a3 g6 4. Bc4 Nf6 5. d3 Bg7 6. Nf3 d6 7. 0-0 0-0 8. h3 a6 9. Be3 b5 10. Ba2 Rb8 11. Rb1 a5 12. Qd2 b4 13. axb4 axb4 14. Nd5 e6 15. Nxf6+ Bxf6 16. Nh2 Ra8 17. Bb3 h5 18. Nf3 Nd4 19. Bxd4 cxd4 20. Qxb4 e5 21. Bd5 Ra7 22. Nd2 Be7 23. f4 exf4 24. Rxf4 Bg5 25. Rf3 Be3+ 26. Kh1 g5 27. Nc4 g4 28. Rxf7 Raxf7 29. Rf1 gxh3 30. g3 Qg5 31. Qxd6 Rd8 32. Bxf7+ Kh7 33. Qc7 Bd7 34. Be6 Bf4 35. Rxf4 1-0

[Event "BRA-ch sf"]
[Site "Porto Alegre"]
[Date "1994.06.??"]
[Round "4"]
[White "Cukier, Marcelo"]
[Black "Carvalho Sobrinho, Joao"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "63"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. 0-0 Nc6 8. Kh1 h5 9. f4 d6 10. Nc3 b5 11. Qf3 b4 12. Ne2 Bb7 13. Be3 Nf6 14. Ned4 Ng4 15. Bg1 Qh4 16. h3 0-0 17. Qe2 Nxd4 18. Nxd4 Nf6 19. Rae1 Bc5 20. Rf3 Nd7 21. Bf2 Qf6 22. c3 Qd8 23. Rg3 Qf6 24. Be3 e5 25. Nf5 g6 26. fxe5 Qxe5 27. Bd4 Bxd4 28. cxd4 Qh8 29. Nxd6 h4 30. Rg4 Qxd4 31. e5 Bxg2+ 32. Kh2 1-0

[Event "BRA-ch sf"]
[Site "Brasilia"]
[Date "1983.03.??"]
[Round "1"]
[White "Carvalho Sobrinho, Joao"]
[Black "De Castro, Alexandre"]
[Result "0-1"]
[ECO "A22"]
[PlyCount "80"]
[EventDate "1983.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 Bxc3 5. bxc3 0-0 6. e4 d6 7. d3 h6 8. Ne2 c6 9. d4 Qe7 10. 0-0 c5 11. d5 Ne8 12. f4 Nd7 13. f5 Nb6 14. Qd3 Bd7 15. g4 Qh4 16. Rf3 Qxg4 17. Rg3 Qh4 18. Bd2 Nc7 19. Be1 Qf6 20. Rh3 Qe7 21. Bh4 f6 22. Ng3 Be8 23. Qe2 Qd7 24. Nf1 Bf7 25. Qg4 g5 26. Bxg5 hxg5 27. Rh6 Kg7 28. Qh3 Rh8 29. Rxh8 Rxh8 30. Qd3 Qa4 31. Ne3 Ne8 32. Bf1 Kf8 33. Ng4 Rh4 34. h3 Ke7 35. Kg2 Ng7 36. Qe2 Nh5 37. Kh2 Nf4 38. Qd1 Qxd1 39. Rxd1 Nxc4 40. Bxc4 Rxh3+ 0-1

[Event "BRA-ch sf"]
[Site "Brasilia"]
[Date "1983.03.??"]
[Round "3"]
[White "Chaves Filho, Luiz G"]
[Black "Carvalho Sobrinho, Joao"]
[Result "1/2-1/2"]
[ECO "B96"]
[PlyCount "33"]
[EventDate "1983.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[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. f4 Qc7 8. Qf3 b5 9. 0-0-0 Bb7 10. Qh3 b4 11. Ncb5 axb5 12. e5 dxe5 13. Bxb5+ Ke7 14. fxe5 Qxe5 15. Qh4 h6 16. Rhe1 Qxg5+ 17. Qxg5 1/2-1/2

[Event "BRA-ch sf"]
[Site "Brasilia"]
[Date "1983.03.??"]
[Round "2"]
[White "Segundo da Costa, Pedro"]
[Black "Carvalho Sobrinho, Joao"]
[Result "1/2-1/2"]
[ECO "A11"]
[PlyCount "133"]
[EventDate "1983.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. Nf3 d5 4. cxd5 cxd5 5. g3 Nc6 6. Bg2 d4 7. Nb5 a6 8. Qa4 Bd7 9. Nbxd4 e5 10. Nxc6 Bxc6 11. Qd1 Bd6 12. d3 0-0 13. 0-0 Qc7 14. Bd2 Rad8 15. Rc1 Qb8 16. Nh4 e4 17. d4 g6 18. Ba5 Rde8 19. Bd2 Kg7 20. Bh3 e3 21. Bxe3 Rxe3 22. fxe3 Bxg3 23. Nf3 Bxh2+ 24. Kh1 Qg3 25. Bg2 Ng4 26. Qe1 Nxe3 27. Qxg3 Bxg3 28. Rxc6 bxc6 29. Rc1 Rc8 30. Bh3 Rc7 31. Nd2 Bf4 32. Ne4 Rb7 33. b3 Rb4 34. Nc5 Rxd4 35. Nd3 Nf5 36. Rxc6 Ng3+ 37. Kg2 Nxe2 38. Nf2 Rd6 39. Rc4 g5 40. Ne4 Rb6 41. Bg4 Nc1 42. Nc3 Nd3 43. Be2 Nb4 44. a3 Nc2 45. Nd1 Nxa3 46. Ra4 Rxb3 47. Rxa6 Nc2 48. Ra7 Rb1 49. Nc3 Ne3+ 50. Kf2 Rb2 51. Na4 Nf5 52. Rxf7+ Kxf7 53. Nxb2 Ng3 54. Bc4+ Kf6 55. Nd3 Ne4+ 56. Kg2 Kf5 57. Nf2 Nxf2 58. Kxf2 h5 59. Bd3+ Kg4 60. Kg2 Kh4 61. Bf5 Bd6 62. Bd7 g4 63. Be6 Kg5 64. Bd7 Kf4 65. Be6 Ke3 66. Bd7 g3 67. Be6 1/2-1/2

