[Event "USA-ch"]
[Site "Berkeley"]
[Date "1984.??.??"]
[Round "16"]
[White "Kogan, Boris Markovich"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[BlackElo "2505"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bf4 Bd6 11. Nbd2 Nbd7 12. a4 Qb8 13. Ne5 Bxg2 14. Kxg2 c5 15. Ndf3 Rc8 16. Nxd7 Nxd7 17. Bxd6 Qxd6 18. axb5 axb5 19. dxc5 Qxc5 20. Qxc5 Nxc5 21. Rxa8 Rxa8 22. Rc1 Ne4 23. Nd4 Nd6 24. Rc6 Rd8 25. Rb6 Kf8 26. e3 Ke8 27. b3 Kd7 28. Nxb5 Ne4 29. Nd4 Kc7 30. Rc6+ Kb7 31. Rc4 Nd6 32. Rc2 Ra8 33. f4 Ra1 34. g4 Rb1 35. h4 Ne8 36. g5 Nc7 37. h5 Nd5 38. Re2 Kc8 39. g6 hxg6 40. hxg6 fxg6 41. Nxe6 Rxb3 42. Kf3 Ra3 43. Re1 Kd7 44. Nf8+ Ke7 45. Nxg6+ Kf6 46. Nf8 Kf5 47. Kf2 Nxe3 48. Rxe3 1/2-1/2