[Event "Match/Nation BLR-DDR 22,5-17,5"]
[Site "Minsk"]
[Date "1968.04.25"]
[Round "4(2)"]
[White "Boleslavsky, Isaak"]
[Black "Zinn, Lothar"]
[Result "1-0"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3
Bd7 10. Ne2 h5 11. O-O Be7 12. Nc3 Nb4 13. Be2 a5 14. a3 Na6 15. Be3 Bc6 16. Nd2 g6 17.
Bd3 Qd7 18. Qe2 Na4 19. Nxa4 Bxa4 20. Rae1 Nc7 21. Rf2 Kf8 22. g3 Rc8 23. h3 Ne8 24. Ref1
Bc2 25. g4 Bxd3 26. Qxd3 hxg4 27. hxg4 Ng7 28. Nf3 Qa4 29. Bd2 Kg8 30. Kg2 Bh4 31. Re2 Bd8
32. Rc1 Rxc1 33. Bxc1 Kh7 34. b3 Qd7 35. a4 Rf8 36. Re1 Kg8 37. Rh1 Be7 38. Nd2 Rc8 39.
Qh3 f5 40. exf6 Bxf6 41. Qh7+ Kf7 42. Rh6 Bxd4 43. Qxg6+ Kg8 44. Qh7+ Kf7 45. Qg6+ Kg8 46.
Qh7+ Kf7 47. Nf3 Qc7 48. Qg6+ Kg8 49. Qh7+ Kf7 50. Ng5+ Ke7 51. Rxe6+ Kd7 52. Re1 Qc2+ 53.
Qxc2 Rxc2+ 54. Kf3 Rc3+ 55. Ke2 Rxb3 56. Rd1 Rb4 57. Nf3 Bb2 58. Bxb2 Rxb2+ 59. Ke3 Rb3+
60. Ke2 Kd6 61. Rh1 b5 62. axb5 a4 63. Rh6+ Kc5 64. Rc6+ Kxb5 65. Nd4+ Kb4 66. Nxb3 axb3
67. f5 b2 68. f6 Ka5 69. Rc8 Ne6 70. Rb8 1-0