[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1970.01.15"]
[Round "3"]
[White "Benko, Pal C"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 O-O 5. e3 c6 6. Nf3 Qa5 7. Bd3 d6 8. h3 Re8 9. O-O Nbd7 10. Rb1 e5 11. Qc2 Nf8 12. b4 Qc7 13. Bh4 exd4 14. Nxd4 Nh5 15. Nde2 Nd7 16. Ng3 Nhf6 17. Nge4 Nxe4 18. Nxe4 f5 19. Nd2 Ne5 1/2-1/2