[Event "Mexican op"]
[Site "Terreon"]
[Date "1970.??.??"]
[Round "?"]
[White "Frey Beckman, Kenneth"]
[Black "Ariel, G."]
[Result "1-0"]
[ECO "E53"]
[PlyCount "111"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 d5 4. Nc3 Bb4 5. e3 c5 6. Bd3 0-0 7. 0-0 Qe7 8. cxd5 exd5 9. dxc5 Bxc3 10. bxc3 Qxc5 11. Qb3 Qc7 12. c4 dxc4 13. Qxc4 Qxc4 14. Bxc4 Bf5 15. Bb2 Nbd7 16. Nd4 Bg6 17. Rfd1 a6 18. f3 Rac8 19. Rac1 b5 20. Bf1 Kh8 21. e4 Nb6 22. Kf2 Nfd7 23. Nc6 Rfe8 24. Nb4 Rxc1 25. Bxc1 Ra8 26. Be3 a5 27. Nc2 Rc8 28. Ne1 h6 29. Bxb5 Nc5 30. Rd6 Nba4 31. Bxc5 Nxc5 32. Rc6 Rxc6 33. Bxc6 Kg8 34. Ke3 Kf8 35. Nd3 Ne6 36. Ne5 Bh7 37. Nc4 f5 38. Nxa5 fxe4 39. Bxe4 Bg8 40. Bd5 Ke7 41. Nc4 Bf7 42. a4 Be8 43. Bxe6 Kxe6 44. Nb6 Kd6 45. Kd4 Bc6 46. Nc4+ Kc7 47. a5 Bb7 48. Kc5 Ba6 49. Nd6 Bf1 50. g3 g5 51. Nf7 Bg2 52. f4 gxf4 53. gxf4 h5 54. h4 Bb7 55. Ne5 Bc8 56. Nc4 1-0

