Calero, Ivan VS Bobotsov, Milko Georgiev 1963.09.02

[Event "Capablanca Memorial-02"]
[Site "Havana"]
[Date "1963.09.02"]
[Round "6"]
[White "Calero, Ivan"]
[Black "Bobotsov, Milko Georgiev"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8. g4 Rb8 9. Ng3 e5 10. d5 Nd4 11. Bg2 c5 12. O-O b5 13. cxb5 axb5 14. Qd2 Ne8 15. Nce2 f5 16. gxf5 gxf5 17. exf5 Nf6 18. Bg5 Nxf5 19. Nxf5 Bxf5 20. Ng3 Bg6 21. f4 Qb6 22. f5 Be8 23. Bxf6 Bxf6 24. Ne4 Qd8 25. Rf3 Rb7 26. Rh3 Rg7 27. Qh6 Bg5 28. Qxd6 Qxd6 29. Nxd6 Bd7 30. Rg3 Be7 31. Rxg7+ Kxg7 32. Ne4 c4 33. Bh3 Bxf5 34. Bxf5 Rxf5 35. Re1 Rf4 36. Kg2 Kg6 37. d6 Bd8 38. Ng3 Rd4 39. Rxe5 Rd2+ 40. Kf3 Rxb2 41. Ne4 b4 42. Re8 Bh4 43. Kg4 Rxh2 44. d7 h5+ 45. Kf4 c3 46. Rg8+ Kf7 47. d8=Q Bxd8 48. Rxd8 Rxa2 49. Ke5 Ra5+ 50. Kd4 c2 51. Rc8 b3 52. Nd2 Rb5 53. Nxb3 Rxb3 54. Rxc2 Kf6 55. Ke4 Kg5 56. Rg2+ Kh4 57. Kf4 Kh3 58. Ra2 h4 59. Rc2 Rg3 60. Rf2 Rg1 61. Kf3 Re1 62. Kf4 Ra1 63. Kf3 Ra3+ 64. Kf4 Rg3 65. Ke4 Rg2 66. Kf3 Rg1 67. Kf4 Rg8 68. Kf3 Rg4 69. Ke2 Kg3 70. Rf3+ Kg2 71. Rf2+ Kh1 72. Rf8 Kg1 73. Rf1+ Kh2 74. Rf8 h3 75. Kf2 Ra4 76. Rf3 Ra8 77. Kf1 1/2-1/2