[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1960.07.19"]
[Round "18"]
[White "Ivkov, Borislav"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. Bg5 Be6 11. Nb5 c5 12. c3 Ba5 13. Qa4 Bb6 14. Qh4 h6 15. Bxh6 gxh6 16. Qxh6 c4 17. Qg5+ Kh8 18. Qh4+ Kg7 19. Qg5+ Kh8 20. Qh6+ Kg8 1/2-1/2