[Event "Interzonal-09b"]
[Site "Petropolis"]
[Date "1973.08.15"]
[Round "16"]
[White "Tan, Lian Ann"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O d6 8. c4 Be7 9.
b3 O-O 10. Bb2 Nd7 11. Nc3 Nc5 12. f4 a5 13. Bc2 Qb6 14. Kh1 Rd8 15. Qf3 a4 16. Ne2 d5 17.
Qg3 f6 18. exd5 cxd5 19. Qh4 Ne4 20. Bd4 Qc6 21. Nc3 Bb4 22. Nxe4 dxe4 23. Bxf6 gxf6 24.
Qxf6 Rd7 25. f5 Bb7 26. Rf4 exf5 27. Qe5 Rg7 28. Rxf5 Re8 29. Qf4 e3 30. Rg5 Qxg2+ 31.
Rxg2 Bxg2+ 32. Kg1 Bb7+ 33. Kf1 e2+ 34. Kf2 Rg2# 0-1