[Event "Hilversum AVRO"]
[Site "Hilversum"]
[Date "1973.??.??"]
[Round "4"]
[White "Geller, Efim P"]
[Black "Ivkov, Borislav"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O Be6 9. f4
Qc7 10. a4 Nbd7 11. Kh1 Rc8 12. f5 Bc4 13. a5 O-O 14. Bxc4 Qxc4 15. Ra4 Qc6 16. Be3 Rfd8
17. Qf3 h6 18. Raa1 Nc5 19. Nd5 Nxd5 20. exd5 Qb5 21. Nxc5 dxc5 22. Qg4 Qxb2 23. Bxh6 e4
24. Rab1 Qe5 25. c4 e3 26. Rbe1 Qd4 27. Rf4 Qf6 28. Re4 Qxh6 29. Rxe7 Re8 30. Qe4 Rxe7 31.
Qxe7 Qf4 32. h3 Qxf5 33. d6 Qe6 34. d7 1-0