[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.10.25"]
[Round "1"]
[White "Grumer, Eugene"]
[Black "Rogers, Ian"]
[Result "0-1"]
[BlackElo "2400"]

1. c4 Nf6 2. d4 c5 3. d5 b5 4. cxb5 e6 5. Nc3 exd5 6. Nxd5 Bb7 7. Nxf6+ Qxf6 8. Nf3 d5 9. e3 Bd6 10. Qc2 O-O 11. Bd2 Nd7 12. Bd3 g6 13. O-O-O Rfc8 14. Bc3 d4 15. Ba5 c4 16. Bf1 d3 17. Qc3 a6 18. Qxf6 Nxf6 19. b6 Rab8 20. Kd2 Bf8 21. Ne5 Rc5 22. Bc3 Ne4+ 23. Ke1 Nxc3 24. Nd7 Nxd1 25. Kxd1 Rbc8 0-1