[Event "USA-ch"]
[Site "Mentor"]
[Date "1977.09.28"]
[Round "4"]
[White "Matera, Salvatore Joseph"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[BlackElo "2525"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4 11. exd4 Nb6 12. Bd3 Bd7 13. Bg5 Bc6 14. Ne5 Rc8 15. Nxc6 Rxc6 16. Ne4 Nbd5 17. Rfc1 Rxc1+ 18. Rxc1 Be7 19. h3 Nxe4 20. Qxe4 g6 21. Bh6 Re8 22. Bc4 Bg5 23. Bxg5 Qxg5 24. Rc2 Nb4 25. Rc3 Qe7 26. Re3 Qd7 27. d5 e5 28. d6 Qxd6 29. Rf3 Re7 30. Rxf7 Rxf7 31. Qxb7 Qf6 32. Bxf7+ Qxf7 33. Qxb4 Qc7 34. Qc3 Qxc3 35. bxc3 Kf7 36. Kf1 Ke6 37. Ke2 Kd5 38. f3 Kc4 39. Kd2 Kb3 40. Kd3 Kxa4 41. Kc4 1/2-1/2