[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1985.01.18"]
[Round "1"]
[White "Kudrin, Sergey"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2635"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4 Bb6 6. d3 d6 7. O-O Qe7 8. Nbd2 Nd8 9. Bb3 c6 10. Re1 O-O 11. h3 Ne6 12. Nc4 Bc7 13. a4 Re8 14. Ng5 h6 15. Nf3 Nh7 16. b5 Nhg5 17. Nxg5 hxg5 18. Qh5 Bd7 19. bxc6 bxc6 20. g3 Rab8 21. Bc2 Qf6 22. Ba3 Nf8 23. Rad1 Rbd8 24. Ne3 Bb6 25. Bb3 Be6 26. Bxe6 Rxe6 27. Re2 g6 28. Qg4 d5 29. exd5 cxd5 30. Kg2 Ree8 31. c4 dxc4 32. Nxc4 Ne6 33. Nxb6 axb6 34. Bb2 Nc5 35. Re3 Qc6+ 36. Kg1 Qxa4 37. Qxa4 Nxa4 38. Bxe5 Nc5 39. Bc7 Rxe3 40. fxe3 Rxd3 41. Rxd3 Nxd3 1/2-1/2