[Event "October Revolution 50"]
[Round "4"]
[Site "Moscow"]
[Date "1967.05.25"]
[White "Stein, Leonid"]
[Black "Bobotsov, Milko G"]
[Result "1/2-1/2"]
[ECO "B32"]
[Opening "Sicilian Defence"]
 1. e4   c5
 2. Nf3  Nc6
 3. d4   cxd4
 4. Nxd4 e6
 5. Nb5  d6
 6. c4   Nf6
 7. N1c3 a6
 8. Na3  Be7
 9. Be2  O-O
10. O-O  Bd7
11. Be3  Qa5
12. Qb3  Rfc8
13. Rfd1 Be8
14. c5   dxc5
15. Nc4  Qb4
16. Nb6  Na5
17. Qxb4 cxb4
18. Nb1  Nxe4
19. Nd2  Nxd2
20. Rxd2 Nc6
21. Rad1 Rd8
22. Nxa8 Rxa8
23. Rc2  Kf8
24. f4   h6
25. Bc5  Rc8
26. Bf3  Rc7
27. Kf2  g5
28. g3   Kg7
29. Bxe7 Rxe7
30. Rc5  f6
31. h4   f5
32. hxg5 hxg5
33. g4   gxf4
34. gxf5 Kf6
35. fxe6 Rxe6
36. Rc4  Kf5
37. Bg2  Bh5
38. Rd5+ Re5
39. Rxe5+ Nxe5
40. Be4+ Kg5
41. Rxb4 Bf3
42. a4   Bxe4
43. Rxe4 Kf5
44. Rd4  b5
45. axb5 axb5
46. Rd5  Ke4
47. Rxb5 Nd3+
48. Ke2  f3+
49. Kd2  f2
50. Ke2  Kd4
51. Rb8  Kc4
52. Kf1  Kd4
53. Rb7  Kc4
54. Ke2  Kd4
55. Rd7+ Ke4
56. Rb7  Kd4
57. Rb8  Kc4
58. Rc8+ Kb4
59. Rc2  Nc5
60. Kxf2 Na4
61. Ke3  Kb3
62. Rc8  Nxb2
63. Kd4  Na4
64. Rc6  Kb4
65. Rc4+ Kb5
66. Rc1  Nb6
67. Rc5+ Kb4
1/2-1/2