[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.21"]
[Round "9"]
[White "Hartoch, Robert G"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 d5 5. O-O Nc6 6. c4 dxc4 7. Qa4 cxd4 8. Nxd4 Qxd4 9. Bxc6+ bxc6 10. Qxc6+ Qd7 11. Qxa8 Bc5 12. Nc3 O-O 13. Qf3 Bb7 14. e4 Qc8 15. Be3 Bb4 16. Bd4 Bxc3 17. bxc3 e5 18. Bxe5 Nxe4 19. Rab1 1/2-1/2