[Event "USA-ch/Zonal"]
[Site "South Bend"]
[Date "1981.??.??"]
[Round "5"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[WhiteElo "2495"]
[BlackElo "2550"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nc3 Nbd7 7. O-O e5 8. h3 c6 9. e4 Qb6 10. b3 exd4 11. Na4 Qc7 12. Nxd4 b6 13. Nc3 Bb7 14. Bf4 a6 15. Qd2 Rfe8 16. Rad1 Rad8 17. Rfe1 b5 18. cxb5 axb5 19. Qc2 Qb8 20. b4 Ne5 21. Nb3 Nfd7 22. Na5 Ba8 23. a3 Nb6 24. Bc1 Nec4 25. Nxc4 Nxc4 26. Qb3 d5 27. exd5 Rxe1+ 28. Rxe1 cxd5 29. Bf4 Qb6 30. Bg5 f6 31. Bc1 d4 32. Na4 Qa7 33. Nc5 Bxg2 34. Kxg2 Qa8+ 35. f3 Qd5 36. Qd3 Ne5 37. Qb3 Qxb3 38. Nxb3 d3 39. Rd1 Nc4 40. g4 d2 41. Kf2 Bh6 42. Nxd2 Bxd2 0-1