[Event "USA-ch"]
[Site "Chicago"]
[Date "1974.??.??"]
[Round "4"]
[White "Benko, Pal C"]
[Black "Rogoff, Kenneth"]
[Result "1/2-1/2"]

1. Nf3 c5 2. e4 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 Ne7 6. Nbd2 Qc7 7. b3 e5 8. Nc4 f6 9. O-O d5 10. Ne3 g5 11. Nd2 Be6 12. Qf3 Bg7 13. exd5 cxd5 14. c4 Rd8 15. cxd5 Nxd5 16. Ne4 O-O 17. Ba3 g4 18. Qd1 Nb4 19. Bxb4 cxb4 20. Rc1 Qe7 21. Nc5 Bc8 22. f3 gxf3 23. Qxf3 f5 24. Kh1 a5 25. Qe2 Rd6 26. Na4 Qd8 27. Nc4 Rh6 28. Nxe5 Re6 29. Rc5 Qd4 30. Qc2 Ba6 1/2-1/2