Minev, Nikolay Nikolaev VS Portisch, Lajos 1967.??.??

[Event "Zonal Halle"]
[Site "Halle/Saale"]
[Date "1967.??.??"]
[Round "3"]
[White "Minev, Nikolay Nikolaev"]
[Black "Portisch, Lajos"]
[Result "0-1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8 11. Be3 Bf8 12. Nbd2 Bb7 13. dxe5 dxe5 14. Nh2 Na5 15. Bc2 c5 16. Qf3 Bc8 17. Rad1 Qe7 18. Ndf1 Nc4 19. Bc1 g6 20. b3 Nb6 21. Ne3 h5 22. Qg3 Bg7 23. Nf3 Bb7 24. Nd2 Nc8 25. c4 Nd6 26. Nd5 Nxd5 27. exd5 h4 28. Qe3 Rac8 29. Ba3 b4 30. Bb2 Rc7 31. Nf3 e4 32. Bxg7 Kxg7 33. Qf4 Qf6 34. Qxf6+ Kxf6 35. Nd2 Rce7 36. f3 exf3 37. Rxe7 Rxe7 38. Nxf3 a5 39. Rf1 Kg7 40. Kf2 a4 41. Re1 Rxe1 42. Kxe1 f5 43. Nxh4 Kf6 44. Nf3 g5 45. g3 g4 46. Ng1 gxh3 47. Nxh3 a3 48. Nf4 Bc8 49. Kf2 Bd7 50. Ke3 Bc8 51. Bb1 Kg5 52. Kf3 Kf6 53. Ke3 Kg5 54. Kf3 Kf6 55. Bd3 Nf7 56. Ng2 Ne5+ 57. Ke2 Bd7 58. Nh4 f4 59. Be4 fxg3 60. Ng2 Bg4+ 61. Kd2 Nxc4+ 62. bxc4 b3 63. Bb1 Bf5 64. Kc3 Bxb1 65. Kxb3 Ke5 66. Kxa3 Be4 67. Ne1 g2 68. Nxg2 Bxg2 69. Ka4 Kd4 70. Kb5 Bf1 71. d6 Bxc4+ 72. Kb6 Be6 73. a4 Kd5 0-1