[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.17"]
[Round "5"]
[White "Hort, Vlastimil"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Nxc3 a6 14. h4 Nf5 15. Rh3 O-O-O 16. Rb1 Na5 17. h5 Bc6 1/2-1/2