[Event "URS-ch20 Semifinal"]
[Site "Riga"]
[Date "1952.05.15"]
[Round "1"]
[White "Ragozin, Viacheslav"]
[Black "Pasman, Marks"]
[Result "1/2-1/2"]
1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. e3 O-O 8. O-O-O Nc6 9. h4 Nb4 10. Qb3 a5 11. a3 dxc4 12. Bxc4 Nbd5 13. Kb1 h6 14. Bd3 Nxc3+ 15. Qxc3 Rc8 16. Qc2 Qe8 17. Bxf6 Bxf6 18. Bh7+ Kh8 19. Be4 Bxe4 20. Qxe4 c5 21. g4 c4 22. g5 c3 23. Rc1 Qb5 24. Rc2 Be7 25. gxh6 g6 26. h5 Qf5 27. Qe5+ Bf6 28. Qxf5 gxf5 29. Rxc3 Rxc3 30. bxc3 Kh7 31. Kc2 Rc8 32. Kd3 Kxh6 33. Rb1 Rc6 34. Rb5 Kxh5 35. Nd2 Bd8 36. Nc4 Bc7 37. f4 Kg6 38. a4 Kf6 39. Rb1 Kg7 40. Rg1+ Kf8 41. Rh1 Kg7 42. Rb1 Kf8 43. Nd2 Rd6 44. Nc4 Rc6 45. Rb5 Ke7 46. Nd2 Rd6 47. c4 Rd8 48. Nb3 Kd7 49. c5 Kc6 50. cxb6 Bxb6 51. Nxa5+ Bxa5 52. Rxa5 Rb8 53. Rc5+ Kd6 54. Rb5 Rc8 55. Rb1 Ra8 56. Rb4 Kd5 57. Rc4 Kd6 58. Kc3 f6 59. Kd3 Ra7 60. Rb4 Kc6 61. Kc4 Ra8 62. Kb3 Kd5 63. Ka3 Ke4 64. Rb3 e5 65. dxe5 fxe5 66. fxe5 Kxe5 67. Rb4 Kd5 68. Rd4+ Kc6 69. Rc4+ Kb7 1/2-1/2