[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.26"]
[Round "13"]
[White "Benko, Pal C"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. Nf3 d5 2. c4 e6 3. d4 c5 4. e3 Nf6 5. Nc3 Nc6 6. a3 Ne4 7. Qc2 Nxc3 8. bxc3 Be7 9. Bb2 O-O 10. Bd3 h6 11. O-O Na5 12. Nd2 dxc4 13. Nxc4 Nxc4 14. Bxc4 b6 15. Rfd1 cxd4 16. cxd4 Bb7 17. Qe2 Rc8 18. Rac1 1/2-1/2