ChessOnlineFree.com Replay and analyse qxxnt6n1

[Event "Rated game"]
[Site "/qxxnt6n1"]
[Date "2020-11-09"]
[White "Makrob"]
[Black "Karpov"]
[Result "1-0"]
[WhiteElo "1501"]
[BlackElo "1316"]
[PlyCount "95"]
[Variant "standard"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Ne4 5. Qc2 f5 6. e3 O-O 7. Be2 Nc6 8. O-O Bxc3 9. bxc3 d6 10. d5 exd5 11. cxd5 Ne5 12. c4 Nxf3+ 13. Bxf3 Ng5 14. Bh5 g6 15. Be2 Ne4 16. Bb2 Qg5 17. Bf3 Nc5 18. Qc3 Kf7 19. Qg7+ Ke8 20. Qxc7 Qe7 21. Qxe7+ Kxe7 22. Bg7 Rf7 23. Bh6 Nd3 24. Rab1 b6 25. Be2 Ne5 26. f4 Nd7 27. g4 Nc5 28. Bg5+ Kf8 29. Bf3 fxg4 30. Bg2 Bf5 31. Rb2 Kg7 32. Re1 Be4 33. Bxe4 Nxe4 34. Kg2 Nc5 35. Rbe2 h5 36. e4 Re8 37. e5 dxe5 38. fxe5 Rf5 39. Bf6+ Kf7 40. Bh4 Nd3 41. e6+ Kg7 42. Rf1 Nf4+ 43. Rxf4 Rxf4 44. Bg3 Rxc4 45. d6 Rc6 46. d7 Rexe6 47. Rxe6 Rxe6 48. d8=Q 1-0

View the computer analysis

https://www.ChessOnlineFree.com/game/qxxnt6n1

Opening E21 Nimzo-Indian, Three Knights