[Event "Leon"]
[Site "Leon"]
[Date "1993.??.??"]
[Round "1"]
[White "Topalov, Veselin"]
[Black "Sion Castro, Marcelino"]
[Result "1-0"]
[WhiteElo "2635"]
[BlackElo "2390"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O 11. O-O d4 12. Ne2 Bg4 13. Bg5 Qd6 14. f3 Bh5 15. Qe1 Bg6 16. Rd1 Nd5 17. Qf2 Nb6 18. Bc1 Rac8 19. b3 Rfd8 20. Bb2 Nd5 21. Nxd4 Bxd3 22. Rxd3 Nf4 23. Rd2 Nxd4 24. Rxd4 Qg6 25. Rxd8+ Rxd8 26. Kh1 Rc8 27. Rd1 h5 28. Rd2 Re8 29. h3 Qg5 30. h4 Qg6 31. Kh2 Qf5 32. Qxa7 Nxg2 33. Qd4 1-0