[Event "Candidates qf1"]
[Site "Seattle"]
[Date "1989.??.??"]
[Round "4"]
[White "Karpov, Anatoly"]
[Black "Hjartarson, Johann"]
[Result "1/2-1/2"]
[WhiteElo "2750"]
[BlackElo "2615"]
1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 dxc4 5. e3 a6 6. a4 c5 7. Bxc4 Nc6 8. O-O Be7 9. dxc5 Qxd1 10. Rxd1 Bxc5 11. Bd2 b6 12. Rac1 Bb7 13. Na2 O-O 14. Be1 a5 15. Nc3 Rfd8 16. Kf1 Kf8 17. Bb5 Rxd1 18. Rxd1 Ke7 19. h3 h6 20. Nd2 Rd8 21. Rc1 Nb4 22. Nb3 Bd6 23. Nd4 Rc8 24. Nce2 Rxc1 25. Nxc1 Nfd5 26. Bc4 Be5 27. Ncb3 Nc6 28. Bd2 Nxd4 29. Nxd4 Bxd4 30. exd4 Kd7 31. Ke2 Bc6 32. Bb3 Ne7 33. f3 Nf5 34. Bc3 g5 35. Bc2 Ne7 36. Bd2 Nd5 37. h4 f6 38. g3 Ne7 39. b4 Nf5 1/2-1/2