[Event "Candidates qf Portisch-Larsen +4-2=4"]
[Site "Rotterdam"]
[Date "1977.03.??"]
[Round "4"]
[White "Portisch, Lajos"]
[Black "Larsen, Bent"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2615"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Nbd7 5. cxd5 exd5 6. Bg5 Be7 7. e3 O-O 8. Bd3 c6 9. Qc2 Re8 10. h3 Nf8 11. Bf4 Ng6 12. Bh2 Bd6 13. Bxd6 Qxd6 14. O-O-O Qe7 15. g4 Be6 16. g5 Ne4 17. Bxe4 dxe4 18. Qxe4 b5 19. h4 b4 20. Na4 Qd6 21. h5 Bd5 22. Qg4 Nf8 23. b3 Qe6 24. Qf4 Nd7 25. Rhe1 Bxb3 26. axb3 Qxb3 27. Nb2 Qa2 28. Qf5 c5 29. Qxd7 cxd4 30. Rxd4 Rac8+ 31. Rc4 Rxc4+ 32. Nxc4 Qxc4+ 33. Kd2 Qa2+ 34. Kd1 Rf8 35. Qd2 Qa5 36. Ke2 Rd8 37. Nd4 Qxg5 38. Qxb4 Qxh5+ 39. Nf3 h6 40. Ra1 Rc8 41. Qb1 a5 42. Ra4 Qc5 43. Nd4 Qh5+ 44. Kd2 Qh4 45. Qf5 Rb8 46. Ra2 h5 47. Qf4 Qd8 48. Ke2 Qb6 49. Qf5 Qa6+ 50. Qd3 Qa8 51. Qc4 Qe4 52. Qc6 Qb1 53. Qc2 Qb6 54. Nf3 Rd8 55. Nd4 Rb8 56. Qd3 g6 57. Rc2 Qb1 58. Nf3 Qb7 59. Ne5 Rc8 60. Rd2 h4 61. Qd5 Qa6+ 62. Kf3 Qf6+ 63. Kg2 Qf5 64. Nf3 Qf6 65. Qxa5 h3+ 66. Kg3 Qc6 67. Rd8+ Rxd8 68. Qxd8+ Kg7 69. Qh4 f6 70. Qxh3 Qd6+ 71. Kg2 Qd5 72. Qg4 Qc6 73. Kg3 Qc1 74. Qd7+ Kh6 75. Kg2 Qa1 76. Qe8 g5 77. Nd4 Qb1 78. e4 g4 79. Nf5+ Kg5 80. Ne3 1-0