[Event "October Revolution 50years"]
[Site "Moscow"]
[Date "1967.05.25"]
[Round "4"]
[White "Stein, Leonid"]
[Black "Bobotsov, Milko Georgiev"]
[Result "1/2-1/2"]
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