[Event "Brazil Imperatriz op"]
[Site "Brazil"]
[Date "2002.07.28"]
[Round "6"]
[White "Alves da Costa, Jonas"]
[Black "Melo, Valdeans"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "122"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. Nf3 Bg4 7. Be2 e6 8. Bc4 Be7 9. e5 dxe5 10. Qxd8+ Bxd8 11. Nxe5 0-0 12. Bg5 Bf5 13. Rc1 h6 14. Be3 Ba5 15. Bd4 Ne4 16. Bd3 Rd8 17. 0-0 Rxd4 18. Nxe4 Bxe4 19. Rcd1 Bxd3 20. Nxd3 Nc6 21. f4 Bb6 22. Kh1 Rad8 23. a3 e5 24. fxe5 Nxe5 25. Rfe1 Nxd3 26. cxd3 Rxd3 27. Rxd3 Rxd3 28. g3 Rd2 29. Re7 Rxb2 30. Rxb7 Bd4 31. Rd7 Bc3 32. Rc7 Bf6 33. Rc5 Ra2 34. Ra5 Bb2 35. Rxa6 Rxa3 36. Rb6 Ra1+ 37. Kg2 Rg1+ 38. Kf3 Bd4 39. Rd6 Be5 40. Rd5 f6 41. Kf2 Rc1 42. Rd7 Rb1 43. Rd8+ Kf7 44. Kg2 Kg6 45. Rd7 Rb2+ 46. Kh3 Rb4 47. Re7 Rd4 48. Kg2 h5 49. h3 Rd3 50. g4 hxg4 51. hxg4 Rg3+ 52. Kf2 Rxg4 53. Kf3 Ra4 54. Ke3 Kf5 55. Rxg7 Ra3+ 56. Kd2 Ke4 57. Rg4+ Bf4+ 58. Ke2 f5 59. Rh4 Ra2+ 60. Kf1 Kf3 61. Rh3+ Bg3 0-1

[Event "Brazil Imperatriz op"]
[Site "Brazil"]
[Date "2002.07.27"]
[Round "4"]
[White "Nunes, Saulo"]
[Black "Alves da Costa, Jonas"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1828"]
[PlyCount "47"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 Nf6 4. Nc3 Nc6 5. Bg5 Be7 6. dxc5 Bxc5 7. Bd3 d6 8. 0-0 0-0 9. Re1 a6 10. e5 dxe5 11. Nxe5 Nxe5 12. Rxe5 Bd4 13. Bxf6 Bxf2+ 14. Kh1 Qxf6 15. Rh5 g6 16. Ne4 Qf4 17. Rh3 e5 18. Rf3 Bg4 19. Rxf4 Bxd1 20. Rxf2 f5 21. Rxd1 fxe4 22. Rxf8+ Rxf8 23. Bxe4 Rf7 24. Rd5 1-0

[Event "Brazil Imperatriz op"]
[Site "Brazil"]
[Date "2002.07.27"]
[Round "5"]
[White "Silva Cunha, Adriano"]
[Black "Alves da Costa, Jonas"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1820"]
[PlyCount "27"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. a3 Bxc3+ 6. bxc3 dxc4 7. e4 e5 8. Qa4+ Bd7 9. Qxc4 Nc6 10. d5 Na5 11. Qb4 b6 12. Nf3 h6 13. Bh4 c5 14. Qb1 1-0

[Event "Brazil Imperatriz op"]
[Site "Brazil"]
[Date "2002.07.26"]
[Round "3"]
[White "Alves da Costa, Jonas"]
[Black "Pinheiro, Jandre"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "37"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. Bxc6 dxc6 5. Nxe5 Qf6 6. d4 Bb6 7. Qf3 Bxd4 8. Qxf6 Nxf6 9. Nf3 Bc5 10. 0-0 0-0 11. Re1 Re8 12. e5 Ng4 13. Be3 Nxe3 14. fxe3 Bg4 15. Nbd2 Rad8 16. h3 Bf5 17. c3 Rd3 18. Rad1 Bxe3+ 19. Kh2 1-0

[Event "Brazil Imperatriz op"]
[Site "Brazil"]
[Date "2002.07.26"]
[Round "2"]
[White "Melo, Wladimir"]
[Black "Alves da Costa, Jonas"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1879"]
[PlyCount "20"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. Be2 Nge7 5. 0-0 d5 6. exd5 Nxd5 7. Ne4 Nf6 8. Nxf6+ Qxf6 9. d3 Bd6 10. Bg5 Ne5 1/2-1/2

[Event "Brazil Imperatriz op"]
[Site "Brazil"]
[Date "2002.07.25"]
[Round "1"]
[White "Alves da Costa, Jonas"]
[Black "Correia, Jose Otavio Jr"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1927"]
[PlyCount "51"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Be2 Nxe4 4. d3 Nf6 5. Nc3 e5 6. 0-0 Be7 7. Re1 0-0 8. Bg5 Nbd7 9. Qd2 c6 10. Bf1 h6 11. Bh4 b5 12. d4 b4 13. Ne4 Nxe4 14. Rxe4 g5 15. Bg3 f5 16. Ree1 f4 17. Bxf4 Rxf4 18. g3 Rxf3 19. Qxb4 d5 20. Qd2 e4 21. Bg2 Rf7 22. Re3 g4 23. Rae1 Bg5 24. Qc3 Rf6 25. R3e2 Ba6 26. Qb3 0-1

