[Event "Interzonal-09b"]
[Site "Petropolis"]
[Date "1973.08.12"]
[Round "14"]
[White "Tan, Lian Ann"]
[Black "Savon, Vladimir A"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. Bg5 Nc6 6. Qd2 h6 7. Bh4 g5 8. Bg3 Bg7 9. c3 Nf6 10. Bd3 Nh5 11. Na3 Bd7 12. Nc4 Nxg3 13. hxg3 b5 14. Ne3 Ne5 15. Nd4 e6 16. f4 Ng6 17. f5 Ne5 18. Be2 O-O 19. O-O-O Rc8 20. Kb1 Bc6 21. Bd3 Re8 22. Bc2 Bb7 23. Nf3 b4 24. cxb4 Qf6 25. Nxe5 Qxe5 26. Bd3 Bxe4 27. Bxe4 Qxe4+ 28. Qd3 Qxb4 29. Qb3 Rb8 30. Qxb4 Rxb4 31. b3 d5 32. Rhe1 Re4 33. fxe6 R8xe6 34. Nc2 Re2 35. Rxe2 Rxe2 36. Nb4 Rxg2 37. Nxa6 Rb2+ 38. Kc1 Rxa2 39. Nb4 Rg2 40. Rd3 Be5 41. Nc6 Bxg3 42. Ne7+ Kh7 43. Nxd5 h5 44. Rf3 Kg7 45. Ne3 Rg1+ 46. Kc2 Bf4 47. Nd5 Rg2+ 48. Kb1 Bd2 49. b4 h4 50. b5 0-1