[Event "Challenge"]
[Site "http://www.queenalice.com/game.php?id=209078"]
[Date "2007.5.10"]
[Round "-"]
[White "oaoj"]
[Black "NelsonCosta"]
[Result "1-0"]
[WhiteElo "1460"]
[BlackElo "1500"]
[ECO "C41"]

1. e4 e5 2. Nf3 d6 3. Be2 Nf6 4. d4 Nc6 5. Bg5 h6 6. Be3 Nxe4 7. Qd3 Bf5 8. Qb5
a6 9. Qxb7 Nxd4 10. Bxd4 exd4 11. Nxd4 Bd7 12. Qxe4+ Be7 13. Nc3 O-O 14. Rd1 c5
15. Bd3 cxd4 16. Qh7# 1-0

[Event "Challenge"]
[Site "http://www.queenalice.com/game.php?id=209092"]
[Date "2007.5.10"]
[Round "-"]
[White "daniel_pasin"]
[Black "NelsonCosta"]
[Result "0-1"]
[WhiteElo "-"]
[BlackElo "-"]
[ECO "A02"]

1. f4 d6 2. Nf3 Nc6 3. c4 e5 4. g3 Be6 5. Qa4 a6 6. Ng5 Be7 7. h4 h6 8. Nxe6
fxe6 9. b4 Qd7 10. Nc3 Nf6 11. b5 Nd4 12. e3 Nf3+ 13. Ke2 e4 14. Nxe4 Nxe4 15.
Kxf3 d5 16. d3 Nc3 17. Bh3 Nxa4 18. cxd5 Qxd5+ 19. e4 Qxd3+ 20. Kg4 Qxb5 21. e5
O-O-O 22. Be3 Qe2# 0-1

[Event "Challenge"]
[Site "http://www.queenalice.com/game.php?id=211539"]
[Date "2007.5.16"]
[Round "-"]
[White "Silurian"]
[Black "NelsonCosta"]
[Result "1-0"]
[WhiteElo "774"]
[BlackElo "1207"]
[ECO "D00"]

1. d4 d5 2. Nc3 Nf6 3. e4 dxe4 4. Bb5+ c6 5. Be2 e6 6. f3 exf3 7. Nxf3 Bd6 8.
Bg5 h6 9. Bxf6 Qxf6 10. Qd3 Na6 11. Kd2 Nb4 12. Qc4 Qf4+ 13. Ke1 Nxc2+ 14. Kf2
Nxa1 15. Qa4 Qf5 16. Rxa1 Bxh2 17. Nd1 Qg4 18. Ne3 Qg3+ 19. Kf1 Bd7 20. d5 cxd5
21. Bb5 O-O 22. Bxd7 a6 23. Qc2 Rad8 24. Ba4 b5 25. Bb3 Rc8 26. Qd3 Qd6 27. Ng4
Qf4 28. Ne5 Rc1+ 29. Rxc1 1-0

[Event "Challenge"]
[Site "http://www.queenalice.com/game.php?id=211541"]
[Date "2007.5.16"]
[Round "-"]
[White "guilhermeamaral"]
[Black "NelsonCosta"]
[Result "*"]
[WhiteElo "-"]
[BlackElo "-"]
[ECO "D00"]

1. d4 d5 2. Qd3 e6 3. Nf3 Nf6 4. a4 Nc6 5. Ra3 Bxa3 6. Nxa3 Nb4 7. Qe3 Qd7 8. a5
Nxc2+ 9. Kd1 Nxe3+ 10. fxe3 Ne4 11. Ne5 Qa4+ 12. Ke1 Qxa5+ 13. Kd1 Nf2+ 14. Kc2
Nxh1 15. Kb3 Bd7 16. Nxd7 Kxd7 17. h4 Ng3 18. Nb5 b6 19. Na3 Nxf1 *

[Event "Challenge"]
[Site "http://www.queenalice.com/game.php?id=211562"]
[Date "2007.5.16"]
[Round "-"]
[White "daniel_pasin"]
[Black "NelsonCosta"]
[Result "*"]
[WhiteElo "-"]
[BlackElo "-"]
[ECO "A03"]

1. f4 d5 2. g3 e6 3. Bh3 Bc5 4. c3 Nc6 5. Qa4 Nf6 6. d4 Bd6 7. Nf3 a6 8. b4 Ne4
9. Rg1 Bd7 10. a3 b5 11. Qc2 h6 12. Nbd2 Nxd2 13. Bxd2 Ne7 14. Ne5 Bxe5 15. dxe5
c6 *

[Event "Challenge"]
[Site "http://www.queenalice.com/game.php?id=211563"]
[Date "2007.5.16"]
[Round "-"]
[White "NelsonCosta"]
[Black "daniel_pasin"]
[Result "1-0"]
[WhiteElo "1500"]
[BlackElo "1100"]
[ECO "C25"]

1. e4 e5 2. Nc3 b6 3. Bc4 c6 4. Qf3 b5 5. Qxf7# 1-0

[Event "Challenge"]
[Site "http://www.queenalice.com/game.php?id=211967"]
[Date "2007.5.17"]
[Round "-"]
[White "alanbischoff"]
[Black "NelsonCosta"]
[Result "1-0"]
[WhiteElo "1708"]
[BlackElo "1207"]
[ECO "C00"]

1. e4 e6 2. e5 Nc6 3. f4 d5 4. exd6 cxd6 5. Bb5 d5 6. Qf3 a6 7. Bxc6+ bxc6 8. c4
Nf6 9. Ne2 Bd6 10. g4 Ne4 11. a3 Qh4+ 12. Ng3 Nf6 13. b4 Qxg4 14. Rf1 Qxf4 15.
Qxf4 Bxf4 16. Rxf4 Ne4 17. Nxe4 dxe4 18. Rxe4 a5 19. b5 cxb5 20. cxb5 Bb7 21.
Rd4 O-O 22. Bb2 Rad8 23. Rg4 f6 24. Nc3 Rd3 25. Ne4 Bxe4 26. Rxe4 e5 27. b6 Rb8
28. Bc3 a4 29. Rb1 h6 30. b7 Kf7 31. Rxa4 Ke8 32. Rg4 g5 33. h4 Kd7 34. hxg5
hxg5 35. a4 Rf3 36. a5 Kc6 37. a6 Rf4 38. a7 Rxb7 39. a8=Q Rxg4 40. Qxb7+ Kd6
41. Rb6+ Kc5 42. Qc6# 1-0

[Event "Challenge"]
[Site "http://www.queenalice.com/game.php?id=214496"]
[Date "2007.5.21"]
[Round "-"]
[White "Jorge_Mauro"]
[Black "NelsonCosta"]
[Result "1-0"]
[WhiteElo "1169"]
[BlackElo "1353"]
[ECO "C20"]

1. e4 e5 2. Qh5 d6 3. Bc4 Qf6 4. d3 a6 5. Nc3 Nc6 6. Nd5 Qd8 7. Ne3 Nf6 8. Qxf7#
1-0

[Event "Challenge"]
[Site "http://www.queenalice.com/game.php?id=215155"]
[Date "2007.5.23"]
[Round "-"]
[White "rossigts"]
[Black "NelsonCosta"]
[Result "*"]
[WhiteElo "-"]
[BlackElo "-"]
[ECO "C20"]

1. e4 e5 2. b3 Nc6 3. Bc4 Nf6 4. Qf3 Nd4 5. Qc3 d6 6. Nh3 Nxe4 7. Qb2 Bxh3 8.
gxh3 Qf6 *

[Event "Challenge"]
[Site "http://www.queenalice.com/game.php?id=216465"]
[Date "2007.5.26"]
[Round "-"]
[White "NelsonCosta"]
[Black "graco"]
[Result "0-1"]
[WhiteElo "1207"]
[BlackElo "1429"]
[ECO "B00"]

1. e4 Nf6 2. Nc3 g6 3. d3 Nc6 4. a3 b6 5. h3 Bg7 6. Bf4 Bb7 0-1