[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "10"]
[White "Radulov, Ivan"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 e5 6. O-O Nc6 7. Nc3 Nge7 8. d3 g6 9. Bg5 Bg7 10. Nd5 Nxd5 11. cxd5 Nd4 12. Nxd4 cxd4 13. f3 O-O 14. Qb3 f5 15. Bd2 f4 16. Rac1 Rfc8 17. a4 a6 18. Rxc8+ Rxc8 19. Rc1 Rxc1+ 20. Bxc1 Bf8 21. Bd2 g5 22. Qd1 h5 23. b3 Be7 24. Kf1 Kf7 25. Be1 Ke8 1/2-1/2