[Event "Villa Ballester op"]
[Site "Villa Ballester"]
[Date "1992.??.??"]
[Round "1"]
[White "Machuca, M."]
[Black "Katzman, Sergio"]
[Result "0-1"]
[ECO "D94"]
[PlyCount "74"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 0-0 6. Bd3 c5 7. 0-0 Nc6 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. e4 Qd6 11. d5 Nd4 12. Nd2 Qc7 13. a4 e6 14. Bc4 b6 15. Rb1 Kh8 16. b3 Bb7 17. Bb2 exd5 18. exd5 Qf4 19. Re1 Rae8 20. Nf3 Rxe1+ 21. Nxe1 a6 22. Nf3 Nxf3+ 23. Qxf3 Qxf3 24. gxf3 Rd8 25. Bc1 Bxd5 26. Bxa6 Bxf3 27. Bg5 Rd4 28. Bd8 Rxd8 29. Bc4 Kg8 30. h3 Rd1+ 31. Rxd1 Bxd1 32. Kg2 Kf8 33. Kg3 Ke7 34. Kf4 Bc2 35. Kg5 Bf5 36. h4 Be6 37. h5 Bxc4 0-1

[Event "Buenos Aires Traffic op"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "4"]
[White "Machuca, M."]
[Black "Mondaca, Omar"]
[Result "0-1"]
[ECO "B86"]
[PlyCount "92"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 a6 7. Be3 Be7 8. Bd3 Nc6 9. f4 Qc7 10. h3 Nxd4 11. Bxd4 e5 12. Be3 exf4 13. Bxf4 Be6 14. Qe2 0-0 15. 0-0-0 Rfe8 16. g4 b5 17. g5 Nd7 18. Nd5 Bxd5 19. exd5 Bf6 20. Qh5 g6 21. Qf3 Be5 22. Be3 Rac8 23. Rdf1 Re7 24. h4 Qa5 25. a3 b4 26. h5 bxa3 27. bxa3 Qxa3+ 28. Kd1 Nf8 29. hxg6 fxg6 30. Qg4 Qa1+ 31. Ke2 Qc3 32. Rh3 Bd4 33. Rf4 Bxe3 34. Rxe3 Rxe3+ 35. Kxe3 Qe1+ 36. Qe2 Qg3+ 37. Qf3 Re8+ 38. Be4 Qxg5 39. Kd3 Nd7 40. Ke2 Nc5 41. Rg4 Qxd5 42. Qf6 Qe6 43. Qxe6+ Rxe6 44. Kf3 Rxe4 45. Rxe4 Nxe4 46. Kxe4 Kf7 0-1

[Event "Villa Ballester op"]
[Site "Villa Ballester"]
[Date "1992.??.??"]
[Round "1"]
[White "Martino, Jorge"]
[Black "Machuca, M."]
[Result "1-0"]
[ECO "D32"]
[PlyCount "53"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. c4 Nf6 4. Nc3 c5 5. cxd5 exd5 6. Bg5 Nc6 7. Bxf6 Qxf6 8. Nxd5 Qd8 9. dxc5 Bxc5 10. Rc1 Qa5+ 11. Qd2 Nb4 12. a3 Bxf2+ 13. Kxf2 Qxd5 14. Qxb4 Bd7 15. e4 Qh5 16. Rc5 Qg6 17. Re5+ Kd8 18. Bb5 Qb6+ 19. Qc5 Rc8 20. Qxb6+ axb6 21. Rd5 Rc2+ 22. Kg3 Rc7 23. Rhd1 Re8 24. Rxd7+ Rxd7 25. Rxd7+ Kc8 26. Rc7+ Kxc7 27. Bxe8 1-0

