[Event "IBM"]
[Site "Amsterdam"]
[Date "1970.08.01"]
[Round "15"]
[White "Gligoric, Svetozar"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Rc1 c6 10. Bd3 Nxc3 11. Rxc3 dxc4 12. Bxc4 b6 13. O-O Bb7 14. Qe2 Nd7 15. Ba6 Bxa6 16. Qxa6 1/2-1/2