[Event "IBM"]
[Site "Amsterdam"]
[Date "1970.07.17"]
[Round "4"]
[White "Gligoric, Svetozar"]
[Black "Geller, Efim P"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 a5 8. O-O Na6 9. Bg5 h6 10. Bh4 Bd7 11. Ne1 Nc5 12. f3 b6 13. Nd3 Qb8 14. Be1 Ne8 1/2-1/2