[Event "Mexico City op"]
[Site "Mexico City"]
[Date "1991.??.??"]
[Round "1"]
[White "Hernandez Onna, Roman"]
[Black "De Robina Cordero, Ricardo"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "2445"]
[PlyCount "112"]
[EventDate "1991.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "MEX"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. a4 Nc6 8. Nc3 Qc7 9. Qe2 Bd6 10. h3 0-0 11. Rd1 Re8 12. Ng5 Be7 13. f4 cxd4 14. exd4 h6 15. Nge4 Bd7 16. Be3 Nxe4 17. Nxe4 Nb4 18. Nc5 Bc6 19. Rac1 Bxc5 20. dxc5 Bxa4 21. Rf1 Bc6 22. Bd4 Bd5 23. Be5 Qxc5+ 24. Kh2 Qe7 25. Bd3 Bc6 26. Bb1 f6 27. Bd4 Bb5 28. Qe4 f5 29. Qe1 Bxf1 30. Bc5 Qf6 31. Bxb4 Qxb2 32. Rc2 Qb3 33. Bc3 Rac8 34. Rc1 Qc4 35. Qg3 Re7 36. Bb2 Qxc1 37. Bxc1 Rxc1 38. Qb3 Rcc7 39. g4 Bc4 40. Qb6 Rf7 41. gxf5 exf5 42. Bxf5 Rc6 43. Qd8+ Rf8 44. Bh7+ Kxh7 45. Qxf8 b5 46. Kg3 Re6 47. Qb4 Kg8 48. h4 Rb6 49. Qa5 Rf6 50. Qc7 Re6 51. Kg4 Kh7 52. Qa5 Re3 53. Qxa6 Be2+ 54. Kf5 Bd3+ 55. Kg4 h5+ 56. Kxh5 Rg3 0-1

