[Event "Mexico DF Mercenario"]
[Site "Mexico City"]
[Date "1993.??.??"]
[Round "5"]
[White "Bueno, Juan"]
[Black "Siegrist, Federico"]
[Result "0-1"]
[ECO "B15"]
[PlyCount "40"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Bc4 Bg4 8. d5 0-0 9. Be3 Nd7 10. dxc6 Ne5 11. Qd4 Bxf3 12. cxb7 Bxb7 13. 0-0-0 Nxc4 14. Qxc4 Qc7 15. Qg4 Rfc8 16. Rd2 Be5 17. Bh6 g5 18. Re2 Ba6 19. Bxg5 fxg5 20. Qxg5+ Bg7 0-1

[Event "Mexico DF Mercenario"]
[Site "Mexico City"]
[Date "1993.??.??"]
[Round "4"]
[White "Siegrist, Federico"]
[Black "Miramontes, Luis"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "41"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. cxd5 Qa5+ 6. Nc3 Nxd5 7. Qb3 Nxc3 8. bxc3 Bd7 9. Nf3 Bc6 10. Bc4 e6 11. Ne5 Bd6 12. Bxe6 Bxe5 13. Bxf7+ Kd8 14. dxe5 Qxe5+ 15. Be3 Nd7 16. 0-0-0 Kc7 17. Qb4 Rad8 18. Bf4 Kc8 19. Bxe5 Nxe5 20. Be6+ Kb8 21. Qc5 1-0

[Event "Mexico DF Mercenario"]
[Site "Mexico City"]
[Date "1993.??.??"]
[Round "6"]
[White "Siegrist, Federico"]
[Black "Reyes, Alejandro"]
[Result "1-0"]
[ECO "D55"]
[PlyCount "99"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 0-0 6. e3 h6 7. h4 Ne4 8. Bxe7 Qxe7 9. Qc2 Nxc3 10. Qxc3 c5 11. Rc1 cxd4 12. exd4 Nc6 13. Bd3 Re8 14. Ne5 Qb4 15. Qxb4 Nxb4 16. Bb1 dxc4 17. Rxc4 Nd5 18. 0-0 b6 19. Rfc1 Ba6 20. Rc6 Nf4 21. Kh2 Ne2 22. Rd1 Rac8 23. Be4 Rxc6 24. Nxc6 Bb7 25. d5 exd5 26. Bxd5 Nf4 27. Bxf7+ Kxf7 28. Rd7+ Kg8 29. Rxb7 Re2 30. Kg3 Nd3 31. Ne7+ Kf8 32. Ng6+ Kg8 33. Rxa7 Rxb2 34. h5 Rb5 35. Ra8+ Kf7 36. Rf8+ Ke6 37. Kh4 Ra5 38. Rb8 b5 39. Re8+ Kd5 40. Ne7+ Kc4 41. Rc8+ Kb4 42. Nd5+ Ka3 43. Rc3+ Kxa2 44. Rxd3 Ra4+ 45. Kg3 Ra3 46. Rxa3+ Kxa3 47. Kf4 Kb3 48. Ke5 Kc4 49. f4 Kc5 50. g4 1-0

