[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1975.04.24"]
[Round "10"]
[White "Grefe, John Alan"]
[Black "Day, Lawrence A"]
[Result "1/2-1/2"]

1. e4 g6 2. d4 d6 3. c3 Nf6 4. Nd2 Bg7 5. Ngf3 O-O 6. Bd3 Nbd7 7. O-O e5 8. Re1 b6 9. a4 a5 10. Nc4 Bb7 11. Bg5 h6 12. Bxf6 Qxf6 13. dxe5 Nxe5 14. Nfxe5 dxe5 15. Ne3 Rfd8 16. Qc2 Bf8 17. Bc4 Bc5 18. Nd5 Bxd5 19. Bxd5 c6 20. Bb3 Rd7 21. Rad1 Rad8 22. Rxd7 Rxd7 23. Qe2 Qf4 24. Rd1 Rxd1+ 25. Bxd1 1/2-1/2