[Event "Interzonal-09b"]
[Site "Petropolis"]
[Date "1973.07.26"]
[Round "3"]
[White "Hort, Vlastimil"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]

1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. e4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Qa5 11. f3 Be6 12. Rc1 Rfc8 13. b3 a6 14. a4 Qb4 15. Nd5 Nxd5 16. exd5 Qxd2+ 17. Kxd2 Bd7 18. Rhd1 Bb2 19. Rc2 Ba3 20. Bd4 Bb4+ 21. Kc1 a5 22. Kb1 e5 23. dxe6 fxe6 24. Bd3 Kf7 25. Re2 Bc6 26. f4 Rf8 27. Rf1 Ke7 28. Rff2 Kd7 29. Kc2 Rf7 30. g3 Raf8 31. h4 e5 32. fxe5 Rxf2 33. e6+ Ke7 34. Rxf2 Rxf2+ 35. Bxf2 Bf3 36. Be3 Be1 37. Bf4 Kxe6 38. Bf1 d5 39. Bh3+ Kf6 40. cxd5 Bxd5 41. Bc8 Be4+ 42. Kd1 1/2-1/2