[Event "USA-ch"]
[Site "Greenville"]
[Date "1980.06.25"]
[Round "11"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Benko, Pal C"]
[Result "1-0"]
[WhiteElo "2515"]
[BlackElo "2485"]

1. e4 g6 2. d4 d6 3. c4 Bg7 4. Nc3 e5 5. Nge2 Nd7 6. f3 c6 7. Be3 a6 8. d5 c5 9. g4 h5 10. g5 Rb8 11. Nc1 h4 12. Rg1 f5 13. gxf6 Qxf6 14. Bg5 Qf7 15. Bh3 Nf8 16. Bxc8 Rxc8 17. Nd3 Bh6 18. f4 Bxg5 19. fxg5 Qd7 20. Qe2 Rh5 21. O-O-O Nh7 22. Qe3 Kf8 23. Rdf1+ Kg7 24. Ne1 Qe7 25. Nf3 Rf8 26. Kd2 Qd7 27. Rf2 b5 28. b3 bxc4 29. bxc4 Rb8 30. Kc2 Qh3 31. Nxe5 Rf8 1-0