[Event "RSFSR-ch"]
[Site "Kuibyshev"]
[Date "1970.??.??"]
[Round "?"]
[White "Karpov, Anatoly"]
[Black "Krogius, Nikolai V"]
[Result "1-0"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. O-O Ne7 8. dxc5 Bxc5 9.
Nb3 Bb6 10. Re1 O-O 11. Be3 Bg4 12. Bxb6 Qxb6 13. Bxc6 Nxc6 14. Qxd5 Nb4 15. Qe4 Bxf3 16.
gxf3 a5 17. a3 Nc6 18. Qe3 Qb5 19. a4 Qh5 20. Qe4 Qg5+ 21. Kh1 Qf6 22. Nc5 Rad8 23. c3 b6
24. Nd3 h6 25. f4 Rd7 26. Re3 Rfd8 27. Rg1 Ne7 28. Ne5 Rd1 29. Ree1 Rxe1 30. Rxe1 Nf5 31.
Ng4 Qg6 32. Ne5 Qh5 33. Qf3 Qh4 34. Nc4 Qf6 35. h3 Nh4 36. Qe4 Ng6 37. f5 Nh4 38. Ne3 Kh8
39. Re2 Qg5 40. Kh2 h5 41. f4 Qh6 42. Kg3 g5 43. fxg6 Nxg6 44. Nf5 Qf8 45. Qf3 Kg8 46.
Qxh5 Rd3+ 47. Kg4 Qa8 48. Nd4 Rd1 49. Nf3 Rd5 50. Ng5 Qc8+ 51. Kg3 Rf5 52. Qh7+ Kf8 53.
Qh6+ Kg8 54. Ne6 1-0