[Event "Candidates qf Kortschnoj-Portisch+4-1=4"]
[Site "Bad Kissingen"]
[Date "1983.04.01"]
[Round "4"]
[White "Portisch, Lajos"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "0-1"]
[WhiteElo "2620"]
[BlackElo "2600"]
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Bg4 9.
Rc1 Qa5 10. Qd2 Nd7 11. d5 b5 12. Be2 O-O 13. c4 b4 14. O-O Rac8 15. h3 Bc3 16. Qc2 Bxf3
17. Bxf3 Nb6 18. Be2 Qa4 19. Qb1 Qa3 20. Rc2 Bg7 21. Bc1 Qa4 22. Bg4 f5 23. exf5 gxf5 24.
Bf3 Qd7 25. Bb2 Bxb2 26. Qxb2 Na4 27. Qe5 Qd6 28. Qe3 Nc3 29. Qg5+ Kh8 30. Re1 Rf6 31. Qe3
Rc7 32. a3 a5 33. Rxc3 bxc3 34. Qxc3 Rb7 35. Qxa5 Kg8 36. Qc3 Kf8 37. g3 Rb6 38. a4 Qb8
39. Qe3 Qc7 40. Qc3 Qb8 41. Kg2 Ra6 42. Bd1 Rab6 43. a5 Rb1 44. a6 Rbb6 45. Bc2 f4 46. g4
f3+ 47. Kg1 Rxa6 48. Bf5 Qf4 49. Re4 Qh6 50. Kh2 Qh4 51. Qxf3 Ra3 52. Qg2 Rxh3+ 53. Kg1
Rh6 54. Kf1 Ra6 55. Re1 Ra2 56. Be4 0-1