[Event "URS-chT Cup 07th final A"]
[Site "Rostov on Don"]
[Date "1971.08.??"]
[Round "5"]
[White "Krogius, Nikolai V"]
[Black "Zaitsev, Alexander N"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2530"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. cxd6 exd6 8. Bc4 Be7 9. Bf4 dxe5 10. Bxe5 O-O 11. Qxd8 Bxd8 12. Nf3 Bg4 13. O-O-O Nd7 14. Bf4 Nb6 15. Bb3 a5 16. Rxd8 Raxd8 17. Bxc7 Bxf3 18. gxf3 Na8 19. Bxd8 Rxd8 20. Rd1 Rxd1+ 21. Kxd1 Nc7 22. Kd2 Kf8 23. Ke3 Ke7 24. Kd4 b6 25. Bc4 f6 26. Ke4 g5 27. f4 h6 28. fxg5 hxg5 29. f4 b5 30. fxg5 f5+ 31. Kxf5 bxc4 32. Ke5 Ne6 33. Kd5 Nxg5 34. Kxc4 Nf3 35. h3 Ne5+ 36. Kb5 Nd3 37. b4 axb4 38. cxb4 Nf4 39. h4 Kd6 40. a4 Kc7 41. a5 Kb7 42. a6+ Kc7 43. Ka5 Nh5 44. b5 Nf6 45. b6+ Kc6 46. a7 Kb7 47. Kb5 Nd5 48. h5 Nxb6 49. a8=Q+ Nxa8 50. h6 Nc7+ 51. Ka4 1-0