[Event "Staunton Memorial"]
[Site "Groningen"]
[Date "1946.08.21"]
[Round "7"]
[White "Kotov, Alexander"]
[Black "Christoffel, Martin"]
[Result "0-1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Qc2 Nd7 5. g3 Ngf6 6. Bg2 Bd6 7. Nbd2 O-O 8. O-O Re8 9. b3 e5 10. cxd5 cxd5 11. dxe5 Nxe5 12. Bb2 Bg4 13. Bc3 Qe7 14. Rae1 Rac8 15. Qb2 Ned7 16. Bd4 b6 17. Be3 Bf5 18. Nh4 Be6 19. Qb1 Ng4 20. Ndf3 Nxe3 21. fxe3 Bg4 22. Nf5 Bxf5 23. Qxf5 Nf6 24. Kh1 Rc3 25. Nd4 Rxe3 26. Bxd5 Re5 27. Nc6 Qb7 28. Nxe5 Qxd5+ 29. e4 Qxe5 30. Qxe5 Bxe5 31. Kg2 Kf8 32. Kf3 Ke7 33. g4 Bxh2 34. Rh1 Be5 35. g5 Nd7 36. Rxh7 Rc8 37. Rh3 Rc2 38. Re2 Rxe2 39. Kxe2 Bf4 40. g6 fxg6 41. b4 g5 42. Ra3 Bb8 43. Rc3 Bd6 44. a3 Be5 45. Rc8 Bb2 46. a4 Ba3 47. Rg8 Kf7 48. Rd8 Ke7 49. Rg8 Bxb4 50. Rxg7+ Ke6 51. Rxg5 Nc5 52. Rg7 a5 53. Rg6+ Ke5 54. Rxb6 Nxa4 55. Rh6 Kxe4 56. Rh4+ Kd5 57. Kd3 Nc5+ 58. Kc2 Kc6 59. Kb2 Kb5 60. Ka2 Na4 61. Rh5+ Bc5 62. Kb3 Nb6 63. Kc3 Nc4 64. Rg5 Nd6 65. Rd5 Ka4 66. Kb2 Kb4 67. Rh5 Nb5 68. Kc2 a4 69. Rh4+ Bd4 70. Kb1 Kb3 71. Rh3+ Bc3 72. Rg3 Na3+ 73. Kc1 Nc4 74. Rg8 Bd2+ 75. Kd1 a3 76. Ra8 Ba5 77. Rb8+ Nb6 0-1