[Event "Candidates qf Kortschnoj-Portisch+4-1=4"]
[Site "Bad Kissingen"]
[Date "1983.04.07"]
[Round "6"]
[White "Portisch, Lajos"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1/2-1/2"]
[WhiteElo "2620"]
[BlackElo "2600"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. h3 e5 9. dxe5 Nd7 10. e6 fxe6 11. Qxe6+ Kh8 12. Qd5 Rxf3 13. gxf3 Nd4 14. Be3 Nc2+ 15. Kd2 Nxa1 16. Bd3 Qe8 17. f4 Nb6 18. Qa5 Bxh3 19. Rxa1 Be6 20. Kc2 Nc4 21. Bxc4 Bxc4 22. Rd1 Qf7 23. Bd4 Qxf4 24. Bxg7+ Kxg7 25. Rd7+ Bf7 26. Qc5 Kg8 27. Qd4 c5 28. Qd2 Qxd2+ 29. Kxd2 b5 30. e5 Kf8 31. f4 h5 32. Ke3 b4 33. Ne4 Bxa2 34. Nxc5 a5 35. b3 Rc8 36. Kd4 a4 37. bxa4 b3 38. Rb7 Rd8+ 39. Ke3 Rd1 40. a5 Rc1 41. Nd7+ Ke7 42. a6 b2 43. Rxb2 Bd5 44. Nb6 Bc6 45. a7 Rc3+ 46. Kd4 Ra3 47. Rc2 Bf3 48. Rc7+ Ke6 49. Nc4 Ra4 50. Ke3 Bh1 51. Nb6 Re4+ 52. Kf2 Rxf4+ 53. Kg1 Bf3 54. Rc3 Bb7 55. Rc7 Bf3 56. Rc3 1/2-1/2