[Event "Interzonal-07"]
[Site "Sousse"]
[Date "1967.11.08"]
[Round "18"]
[White "Reshevsky, Samuel Herman"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. g4 Be6 8. h3 Bd6 9. Nge2 Ne7 10. Bxd6 Qxd6 11. Nf4 Nd7 12. Bd3 Rc8 13. Rc1 O-O 14. Nce2 b6 15. Kf1 c5 16. Kg2 Nc6 17. Bb1 g6 18. g5 Rfd8 19. h4 Nf8 20. Qd2 Ne7 21. Ng3 Qd7 22. Nd3 Qd6 23. Ne5 cxd4 24. exd4 Rxc1 25. Rxc1 Rc8 26. Rxc8 Bxc8 27. Qf4 Qe6 28. Bd3 Nc6 1/2-1/2