[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1968.01.20"]
[Round "9"]
[White "Donner, Jan Hein"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1/2-1/2"]
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nbd7 8. a3 Ba5 9. cxd5 exd5 10. Ne5 cxd4 11. exd4 Bxc3 12. bxc3 Qc7 13. Nxd7 Bxd7 14. Qc2 Rfe8 15. f3 h6 1/2-1/2