[Event "World op 20th"]
[Site "Philadelphia"]
[Date "1992.??.??"]
[Round "4"]
[White "Lein, Anatoly"]
[Black "Cunningham, Robin J"]
[Result "1/2-1/2"]
[EventArchiveKey "world-open-1992-20th-philadelphia"]
[WhiteElo "2480"]

1. b3 d5 2. Bb2 Nf6 3. Nf3 e6 4. e3 c5 5. d4 Nc6 6. Bd3 Be7 7. O-O O-O 8. Nbd2 cxd4 9. exd4 Nb4 10. Be2 Qc7 11. a3 Nc6 12. Bd3 Rb8 13. Qe2 a6 14. c4 dxc4 15. bxc4 Rd8 16. Rfd1 Bd7 17. Ne4 b5 18. cxb5 axb5 19. Rac1 Qf4 20. Ne5 Nxe4 21. Nxc6 Bxc6 22. Rxc6 Nf6 23. g3 Qg5 24. Qe5 Nd5 25. Qxg5 Bxg5 26. Rc5 Be7 27. Rxb5 Rxb5 28. Bxb5 Bxa3 29. Bxa3 Nc3 30. Be7 Rb8 31. Rd3 Nxb5 32. d5 exd5 33. Rxd5 Nc7 1/2-1/2