[Event "MEX-ch U20"]
[Site "Mexico City"]
[Date "2001.??.??"]
[Round "4"]
[White "Colin, Roberto"]
[Black "Velazquez Martinez, Josue Cuauht"]
[Result "0-1"]
[ECO "D44"]
[PlyCount "64"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 dxc4 6. a4 Bb4 7. e4 Bxc3+ 8. bxc3 Qa5 9. Qc2 Nxe4 10. Bd2 Nxd2 11. Kxd2 Qd5 12. Be2 Nd7 13. Rhe1 0-0 14. Bf1 b5 15. Ne5 f6 16. Nxd7 Bxd7 17. Qe4 Rfb8 18. axb5 Qxe4 19. Rxe4 cxb5 20. Ra5 a6 21. g3 Kf7 22. Re1 Rb6 23. Bg2 Rd8 24. f4 Bc6 25. Bxc6 Rxc6 26. Ke3 e5 27. fxe5 fxe5 28. Rd1 exd4+ 29. Rxd4 Re6+ 30. Re4 Rd3+ 31. Kf4 g5+ 32. Kf5 Rd5+ 0-1

[Event "MEX-ch U20"]
[Site "Mexico City"]
[Date "2001.??.??"]
[Round "3"]
[White "Torres, Martin"]
[Black "Colin, Roberto"]
[Result "1/2-1/2"]
[ECO "B14"]
[PlyCount "47"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 Nf6 7. Nc3 Qa5 8. Be2 e6 9. 0-0 Be7 10. a3 0-0 11. Bf4 Nd5 12. Bd2 Qd8 13. Qc2 Nf6 14. Be3 b6 15. Rfd1 Bb7 16. Ng5 g6 17. Bf3 Nd5 18. Bxd5 Bxg5 19. Bxg5 Qxg5 20. Bxc6 Bxc6 21. Ne4 Bxe4 22. Qxe4 Rfd8 23. Rac1 Qd5 24. Qxd5 1/2-1/2

