[Event "Interzonal-11b"]
[Site "Rio de Janeiro"]
[Date "1979.09.24"]
[Round "2"]
[White "Ivkov, Borislav"]
[Black "Hebert, Jean"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2365"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Ne4 10. Bd3 Bxc3 11. bxc3 Nxc3 12. Qc2 Bxd3 13. Qxd3 Nd5 14. Rb1 a5 15. Ba3 Nb4 16. Bxb4 axb4 17. Rxb4 Na6 18. Rb3 Ra7 19. Rfb1 h6 20. Qc3 Qc7 21. Qb2 Rb8 22. h4 c5 23. Rb5 cxd4 24. Qxd4 Raa8 25. Ne5 Rd8 26. Qc4 Qxc4 27. Nxc4 Rac8 28. Ne5 Nc5 29. a5 Rd5 30. Nf3 Rcd8 31. Nd4 g6 32. Rc1 Nd3 33. Rd1 Rxb5 34. Nxb5 e5 35. Nc3 Kf8 36. Kf1 Ke7 37. Ke2 Nc5 38. Nd5+ Kf8 39. Nb6 Rxd1 40. Kxd1 Ke7 1/2-1/2