[Event "World op 19th"]
[Site "Philadelphia"]
[Date "1991.??.??"]
[Round "?"]
[White "Dvoretzky, Mark"]
[Black "Ivanov, Alexander"]
[Result "1/2-1/2"]
[EventArchiveKey "world-open-19-1991"]
[WhiteElo "2465"]
[BlackElo "2565"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd6 6. d3 f6 7. Be3 c5 8. Nbd2 Be6 9. Qe2 Ne7 10. c3 Nc6 11. Rfd1 Qd7 12. Nb3 Bxb3 13. axb3 Bd6 14. d4 cxd4 15. cxd4 exd4 16. Nxd4 Nxd4 17. Bxd4 Qe6 18. Bc5 Rd8 19. Bxd6 Rxd6 20. Rxd6 cxd6 21. Rc1 O-O 22. Qc4 Qxc4 23. Rxc4 Rd8 24. Kf1 1/2-1/2