[Event "USA-ch"]
[Site "Greenville"]
[Date "1983.??.??"]
[Round "4"]
[White "Kogan, Boris Markovich"]
[Black "Tarjan, James Edward"]
[Result "0-1"]
[BlackElo "2535"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 c5 5. c4 d6 6. Bg2 e5 7. O-O O-O 8. d3 Nc6 9. Nc3 Rb8 10. Ne1 Be6 11. Nd5 Qd7 12. Nc2 Bh3 13. Nxf6+ Bxf6 14. Bxh3 Qxh3 15. Ne3 Bg7 16. Nd5 Qd7 17. e3 f5 18. f4 Ne7 19. fxe5 dxe5 20. e4 Rf7 21. Qe2 Nc6 22. Rf2 Rbf8 23. Raf1 Qd6 24. Qd2 Qd8 25. a3 Nd4 26. Bxd4 cxd4 27. b4 h5 28. h3 Kh7 29. Qe2 Qg5 30. Kh2 f4 31. gxf4 exf4 32. Qf3 Be5 33. Rg2 Qh4 34. Kh1 g5 35. Rh2 Rh8 36. c5 Kg8 37. Rff2 g4 38. Rhg2 Kf8 39. Qd1 f3 40. Kg1 fxg2 0-1