[Event "URS-ch40 Semifinal"]
[Site "Odessa"]
[Date "1972.08.??"]
[Round "?"]
[White "Dvoretzky, Mark"]
[Black "Katalymov, Boris N"]
[Result "1/2-1/2"]
1. e4 g6 2. d4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Bf4 Bg7 6. Qd2 Nf6 7. O-O-O O-O 8. Nf3 a5 9. Ne5 a4 10. a3 c6 11. Be2 Nbd7 12. h4 h5 13. f3 Ra5 14. Bc4 Nb6 15. Ba2 Nbd5 16. Nxd5 cxd5 17. Bh6 Qb6 18. Bxg7 Kxg7 19. Nd3 Bf5 20. Nb4 Rc8 21. Bb1 Qd6 22. c3 e6 23. Bxf5 exf5 24. Rhe1 Qg3 25. Qg5 Qxg5+ 26. hxg5 Nh7 27. f4 Nf8 28. Re7 Ne6 29. g3 Rb5 30. Rd7 Rd8 31. Rxd8 Nxd8 32. Kd2 Ne6 33. Re1 h4 34. gxh4 Nxf4 35. Re5 Ng2 36. Rxd5 Rb6 37. h5 gxh5 38. Rxf5 Kg6 39. Rf2 Nh4 40. c4 Kxg5 41. Rxf7 Nf5 42. c5 Rh6 43. d5 h4 44. d6 Rh8 45. Rxb7 h3 46. Nd3 h2 47. Nf2 Kf6 48. d7 Ke6 49. Kc3 Ng3 50. Kb4 Rf8 51. c6 Ne4 52. Nh1 Kd6 53. c7 Kxd7 54. c8=Q+ Kxc8 55. Rh7 Nf2 56. Rxh2 Nxh1 57. Rxh1 Rf2 58. Kc3 Rf3+ 59. Kc2 Rf2+ 60. Kb1 Rf4 61. Rh7 Re4 62. Rg7 Kb8 63. Ka2 Kc8 64. Rg5 Kc7 65. Rb5 Kc6 66. Rb8 Kc7 67. Rb5 Kc6 68. Rb4 Rxb4 69. axb4 Kb6 70. Kb1 Kb5 1/2-1/2