[Event "USA-ch"]
[Site "Oberlin"]
[Date "1975.??.??"]
[Round "8"]
[White "Grefe, John Alan"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd6 6. d3 f6 7. Be3 c5 8. Nbd2 Be6 9. a3 Qd7 10. Qe2 Rd8 11. Rfd1 Bd6 12. c3 Ne7 13. d4 cxd4 14. cxd4 Qb5 15. Qxb5+ axb5 16. Rac1 c6 17. dxe5 fxe5 18. Bc5 Bc7 19. Nf1 Rxd1 20. Rxd1 Bg4 1/2-1/2