[Event "Interzonal-09b"]
[Site "Petropolis"]
[Date "1973.08.08"]
[Round "12"]
[White "Mecking, Henrique"]
[Black "Geller, Efim P"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 a6 7. N5c3 Nf6 8. Be2 Be7 9. O-O O-O 10. Na3 b6 11. Be3 Bb7 12. f3 Re8 13. Qb3 Nd7 14. Rfd1 Nc5 15. Qc2 Bf6 16. Rab1 Nb4 17. Qd2 d5 18. Nc2 Nxc2 19. Qxc2 Rc8 20. Bf2 Bxc3 21. Qxc3 Qg5 22. exd5 exd5 23. Re1 dxc4 24. Bxc4 Ne6 25. Qb3 Bxf3 26. Qxf3 Rxc4 27. Bxb6 Qb5 28. Be3 Rc2 29. Rf1 Rf8 30. Rf2 Qa4 31. Qd1 Rfc8 32. Rxc2 Rxc2 33. Rc1 Rxc1 34. Qxc1 h5 35. a3 a5 36. Qd2 Qb3 37. Kf2 a4 38. Qe2 Qd5 39. Qc2 Qb5 40. Qc8+ Kh7 41. Qc2+ g6 42. Qc3 Qf5+ 43. Kg1 h4 44. b4 h3 45. Bc1 hxg2 46. Kxg2 Qe4+ 47. Kf2 Nd4 48. Qh3+ Kg8 49. Qe3 Qh4+ 50. Kg2 Qg4+ 51. Kf2 Qh4+ 52. Kg2 Qg4+ 1/2-1/2