[Event "USA-ch"]
[Site "Chicago"]
[Date "1974.??.??"]
[Round "1"]
[White "Grefe, John Alan"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. Bd3 h6 11. Qh3 Nb6 12. f5 e5 13. Nf3 Bd7 14. Bxf6 Bxf6 15. g4 O-O-O 16. Qg3 Bg5+ 17. Nxg5 hxg5 18. h4 gxh4 19. Rxh4 Rxh4 20. Qxh4 Bc6 21. Qh7 f6 22. g5 d5 23. gxf6 gxf6 24. Qxc7+ Kxc7 25. Rh1 d4 26. Ne2 Nd7 27. Rh6 Rg8 28. Rg6 Rh8 29. b4 Rh4 30. Ng3 b5 31. a4 bxa4 32. Bxa6 Bxe4 33. Nxe4 Rxe4 34. Bb5 a3 35. Kb1 d3 36. Bxd3 Rxb4+ 37. Ka2 Kc6 38. Kxa3 Rf4 39. Rg8 e4 40. Rc8+ Kd6 41. Bb5 0-1