[Event "IBM"]
[Site "Amsterdam"]
[Date "1970.07.16"]
[Round "3"]
[White "Hartoch, Robert G"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Nbd7 7. Qd2 e5 8. Nf3 c6 9. O-O exd4 10. Nxd4 Nc5 11. Qf4 Qe7 12. Rad1 Qe5 13. Bf3 Nfd7 14. Qh4 Bf6 15. Bxf6 Nxf6 16. Rfe1 Re8 17. Re3 a5 18. Be2 1/2-1/2