[Event "USA-ch"]
[Site "Mentor"]
[Date "1977.10.05"]
[Round "11"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Matera, Salvatore Joseph"]
[Result "0-1"]
[WhiteElo "2485"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Be2 a6 7. O-O Nf6 8. Kh1 Bb4 9. Qd3 O-O 10. f4 d6 11. Nb3 Bd7 12. Bd2 Na5 13. a3 Nxb3 14. cxb3 Bc5 15. b4 Bb6 16. Rac1 Bc6 17. b5 axb5 18. Nxb5 Qd8 19. Bf3 d5 20. e5 Ne4 21. Be1 Ra4 22. Qb3 Ra8 23. Rd1 Nc5 24. Qc2 Bxb5 25. Be2 Ba4 0-1