[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1979.03.29"]
[Round "5"]
[White "Grefe, John Alan"]
[Black "Rigo, Janos"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2385"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. h3 O-O 8. Bb3 Nc6 9. Be3 Bd7 10. O-O Na5 11. Qd3 a6 12. Rfe1 Rc8 13. Nd5 Nxd5 14. exd5 Nxb3 15. axb3 e5 16. dxe6 fxe6 17. Rad1 d5 18. f4 Bxd4 19. Bxd4 Rxf4 20. c3 Qe7 21. g3 Rf5 22. g4 Rf4 23. Qe3 Re4 24. Qg3 e5 25. Rxe4 dxe4 26. Bxe5 Bc6 27. Bd4 Rf8 28. Rf1 Rxf1+ 29. Kxf1 1/2-1/2