Larsen, Bent VS Ivkov, Borislav 1964.06.06

[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.06"]
[Round "13"]
[White "Larsen, Bent"]
[Black "Ivkov, Borislav"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. O-O Nc6 8. N1d2 Nf6 9. Nc4 d5 10. exd5 exd5 11. Qe2+ Be6 12. Ne5 Nxe5 13. Qxe5 O-O 14. Nd4 Qd7 15. Bh6 Bxd4 16. Qxd4 Bf5 17. Rae1 Rfe8 18. Bg5 Bxd3 19. cxd3 Rxe1 20. Rxe1 Re8 21. Rxe8+ Nxe8 22. h3 Nc7 23. Bd2 Ne6 24. Qb6 h6 25. Kh2 h5 26. g3 d4 27. Qb3 Qc6 28. Qd1 Qd5 29. a4 Qf5 30. Qe2 Nc5 31. g4 hxg4 32. hxg4 Qg6 33. Qe7 Ne6 34. Bc1 Qxg4 35. Qxb7 Qh5+ 36. Kg2 Qg6+ 37. Kh2 Qh5+ 38. Kg2 Qg6+ 39. Kh2 Qxd3 40. Qc8+ Kh7 41. b4 Qe2 42. Kg3 Qd1 43. b5 axb5 44. a5 d3 45. a6 d2 46. Bxd2 Qxd2 47. a7 Qd6+ 48. Kg2 Nc7 49. Qh3+ Qh6 50. Qd7 Qf4 51. Qh3+ Kg6 52. Qd3+ f5 53. Qd7 b4 54. Qxc7 Qxc7 55. a8=Q Qb6 56. Qe8+ Kh7 57. Kf1 Qa6+ 58. Ke1 Qa1+ 59. Ke2 Qb2+ 60. Kf3 Qc3+ 61. Kg2 Kh6 62. f4 Qc2+ 63. Kg3 Qe4 64. Qb8 Qe3+ 65. Kh4 Qf2+ 66. Kh3 Qe3+ 67. Kh4 Qe1+ 68. Kh3 Kh7 69. Qb6 Qc3+ 70. Kh2 b3 71. Qe6 Qc2+ 72. Kg3 b2 73. Qe8 Qe4 0-1