[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.24"]
[Round "11"]
[White "Hartoch, Robert G"]
[Black "Savon, Vladimir A"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. Qa4+ Bd7 6. Qh4 e6 7. Nxd5 exd5 8. Qd4 f6 9. Qxd5 Nc6 10. Qe4+ Be7 11. Qb1 f5 12. e3 Bf6 13. Be2 Qe7 14. O-O g5 15. d4 g4 16. Nd2 h5 17. Bd3 Qh7 18. b4 h4 19. b5 Ne7 20. f4 gxf3 21. Rxf3 Rg8 1/2-1/2