Polugaevsky, Lev VS Bobotsov, Milko Georgiev 1966.??.??

[Event "Chigorin Memorial-06"]
[Site "Sochi"]
[Date "1966.??.??"]
[Round "13"]
[White "Polugaevsky, Lev"]
[Black "Bobotsov, Milko Georgiev"]
[Result "1/2-1/2"]

1. Nf3 c5 2. e4 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 d6 6. Be3 Nf6 7. f4 Be7 8. Be2 O-O 9. O-O Bd7 10. Kh1 Nxd4 11. Bxd4 Bc6 12. Bf3 d5 13. e5 Ne4 14. Qd3 Bc5 15. Rad1 Nxc3 16. Qxc3 Bxd4 17. Qxd4 Qa5 18. Be2 Qa4 19. Qxa4 Bxa4 20. b3 Bc6 21. Rd4 a6 22. a4 a5 23. Kg1 Rab8 24. Kf2 f6 25. Ke3 fxe5 26. fxe5 Rxf1 27. Bxf1 b5 28. axb5 Bxb5 29. Bxb5 Rxb5 30. Rf4 h5 31. Kd3 Kh7 32. Rf7 Kg6 33. Re7 Kf5 34. Rxg7 h4 35. Kd4 Rb4+ 36. c4 a4 37. Rf7+ Kg6 38. Rf6+ Kg5 39. Kc5 Rxb3 40. cxd5 exd5 41. Rf2 d4 42. e6 Re3 43. Kd6 d3 44. e7 Re4 45. Kd7 Rd4+ 46. Kc6 Re4 47. Kd6 a3 48. Kd7 Rd4+ 49. Ke6 d2 50. Rf5+ Kh6 51. Rh5+ Kg7 52. Rg5+ Kh6 53. Rh5+ Kg7 54. e8=Q Re4+ 55. Re5 Rxe5+ 56. Kxe5 d1=Q 57. Qe7+ Kg6 58. Qf6+ Kh5 59. Qh8+ Kg6 60. Qg8+ Kh6 61. Qe6+ Kh5 62. Qf5+ Kh6 63. Qf8+ 1/2-1/2