[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.07.17"]
[Round "5"]
[White "Adorjan, Andras"]
[Black "Hartoch, Robert G"]
[Result "1/2-1/2"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. e5 dxe5 6. dxe5 Qxd1+ 7. Kxd1 Nfd7 8. Nd5 Kd8 9. Nf3 c6 10. Ne3 f6 11. exf6 Bxf6 12. Ng4 Nf8 13. Nxf6 exf6 14. Be3 Bf5 15. Rg1 Nbd7 16. g4 Be4 17. Nd2 Bd5 1/2-1/2