[Event "US Open-74"]
[Site "Chicago"]
[Date "1973.??.??"]
[Round "11"]
[White "Riff, Mayer"]
[Black "Peters, Jack"]
[Result "1/2-1/2"]
[ECO "B30"]
[PlyCount "53"]
[EventDate "1973.08.12"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. e5 Nd5 5. 0-0 Qc7 6. Re1 e6 7. b3 b6 8. Bxc6 Qxc6 9. c4 Nb4 10. d4 Bb7 11. a3 Na6 12. Nc3 cxd4 13. Nb5 Be7 14. Nbxd4 Qc8 15. Bg5 Nc7 16. Bxe7 Kxe7 17. Ng5 h6 18. Ne4 Bxe4 19. Rxe4 Qb7 20. Rg4 Rhg8 21. Qd2 a5 22. Rd1 Rad8 23. f4 f5 24. Nxf5+ exf5 25. Qd6+ Kf7 26. Qg6+ Ke7 27. Qd6+ 1/2-1/2

