[Event "Chigorin Memorial-05"]
[Site "Sochi"]
[Date "1965.??.??"]
[Round "1"]
[White "Kotkov, Yuri M"]
[Black "Krogius, Nikolai V"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nd4 O-O 11. N2f3 Nce4 12. c3 Re8 13. Bf4 Bc5 14. Qb3 Bb6 15. Rad1 Rc8 16. h3 Qd7 17. Ne5 Qe7 18. Rfe1 Qc5 19. Be3 Qa5 20. Nd3 Nd6 21. Nc2 Nc4 22. Bxb6 Qxb6 23. Qxb6 Nxb6 24. f3 Kf8 25. Kf2 Rxe1 26. Rxe1 Nc4 27. Ne3 a5 28. g4 Nb6 29. Nf5 Ne8 30. Nf4 g6 31. Ne3 Rc5 32. Rd1 Rb5 33. b3 Nc7 34. Nd3 Ne6 35. Nc2 Nc8 36. Nd4 Nxd4 37. cxd4 Ne7 38. Ne5 Nc6 39. Nxc6 bxc6 40. Rc1 Rb6 41. Ke3 Ke7 42. Rc5 a4 43. bxa4 Rb4 44. Rxc6 Rxa4 45. Rc2 g5 46. Rd2 Ra3+ 47. Kf2 f6 48. Rb2 h6 49. Ke2 Kd6 50. Kf2 Ra4 51. Rd2 Ke6 52. Kg3 Ra3 53. Rb2 Ra4 54. Re2+ Kf7 55. Rd2 Ra3 56. Rb2 Ra4 57. Rd2 1/2-1/2