[Event "FIDE-Wch k.o."]
[Round "4.1"]
[Site "Las Vegas"]
[Date "1999.08.09"]
[White "Khalifman, Alexander"]
[WhiteElo "2628"]
[Black "Gelfand, Boris"]
[BlackElo "2713"]
[Result "1/2-1/2"]
[ECO "B92"]
[Opening "Sicilian, Najdorf, Opocensky Variation (6.Be2)"]
 1. e4   c5
 2. Nf3  d6
 3. d4   cxd4
 4. Nxd4 Nf6
 5. Nc3  a6
 6. Be2  e5
 7. Nb3  Be7
 8. Be3  O-O
 9. g4   Be6
10. g5   Nfd7
11. Qd2  a5
12. a4   Nc6
13. f4   f5
14. exf5 Bxf5
15. fxe5 dxe5
16. O-O-O Nb4
17. Rhf1 Be6
18. Rxf8+ Qxf8
19. Rf1  Qc8
20. Bb5  Qc7
21. Bxd7 
1/2-1/2