[Event "Match/Nation YUG-URS"]
[Site "Rijeka"]
[Date "1963.??.??"]
[Round "?"]
[White "Stein, Leonid"]
[Black "Ivkov, Borislav"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. e3 O-O 6. Be2 d5 7. O-O Nc6 8. a3 cxd4 9. axb4
dxc3 10. bxc3 dxc4 11. Bxc4 b6 12. Qb3 Bb7 13. Rd1 Qc7 14. Be2 Rfd8 15. Bb2 Rxd1+ 16. Rxd1
Rd8 17. Rxd8+ Qxd8 18. c4 a5 19. bxa5 Nxa5 20. Qb5 Bc6 21. Qb4 Bxf3 22. gxf3 Nb7 23. Bd4
Nd7 24. f4 Nbc5 25. Qb5 Qc7 26. Bf3 f6 27. Qb1 Qa7 28. f5 e5 29. Bc3 Qa4 30. Bd5+ Kf8 31.
Bb4 Ke8 32. Bg8 h6 33. Bd5 Kd8 34. Bxc5 bxc5 35. Kg2 Qa6 36. Qd1 Qd6 37. Qg4 Qe7 38. Be6
Nf8 39. Bg8 Qb7+ 40. Bd5 Qd7 41. Qe4 Qd6 42. Bc6 Nd7 43. Bd5 Nb6 44. Bg8 Qd1 45. h3 Kc7
46. Be6 Qe2 47. Bf7 Qd1 48. Be8 Qd6 49. Bb5 Kd8 50. Qg4 Qf8 51. e4 Qe7 52. Qd1+ Kc7 53.
Qd3 Qf8 54. Qg3 Qe7 55. Qa3 Kd6 56. Qa6 Qc7 57. Be8 Ke7 58. Qb5 Nc8 59. Bc6 Qb6 60. Qa4
Qa7 61. Qd1 Qc7 62. Bd5 Qa7 63. Bg8 Qb7 64. Bd5 Qa7 65. Qd3 Nd6 66. Qb3 Kf8 67. Bc6 Qc7
68. Qa4 Nc8 69. Qa8 Ke7 70. Bd5 Kd6 71. Kg3 Nb6 72. Qg8 Qd7 73. Be6 Qe7 74. Kg4 Nd7 75.
Bxd7 Kxd7 76. f3 Qe8 77. Qxg7+ Kc8 78. Qxf6 Qg8+ 79. Kh5 Qg3 80. Kxh6 Qxh3+ 81. Kg7 Qh5
82. Qf8+ 1-0