ChessOnlineFree.com Replay and analyse kngbbpa1

Inaccuracy: 5 Mistake: 2 Blunder: 1
Inaccuracy: 8 Mistake: 4 Blunder: 2
[Event "Casual game"]
[Site "/kngbbpa1"]
[Date "2020-12-08"]
[White "Karpov1972"]
[Black "AI level 5"]
[Result "1-0"]
[WhiteElo "1440"]
[BlackElo "?"]
[PlyCount "111"]
[Variant "standard"]
[Annotator ""]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. g3 d6 5. Bg2 Be6 6. O-O d5 7. exd5 Bxd5 8. Nc3 Bd6 $2 { Mistake. Best was d5e6. } 9. Nxd5 Nxd5 10. Ng5 $6 { Inaccuracy. Best was d3d4. } 10... Nf6 11. f4 O-O 12. fxe5 Bxe5 13. Nf3 $6 { Inaccuracy. Best was c2c3. } 13... a5 $6 { Inaccuracy. Best was e5d4. } 14. Nxe5 $6 { Inaccuracy. Best was c2c3. } 14... Qd4+ 15. Kh1 Nxe5 16. Bf4 Neg4 17. Qd2 Rad8 $6 { Inaccuracy. Best was f8e8. } 18. Bxc7 $2 { Mistake. Best was h2h3. } 18... Ne3 $2 { Mistake. Best was f6e4. } 19. Rf4 $2 { Mistake. Best was c7d8. } 19... Qxb2 20. Qc1 Qxc1+ 21. Rxc1 Rc8 22. Be5 $6 { Inaccuracy. Best was c7a5. } 22... Rfd8 $6 { Inaccuracy. Best was f6d5. } 23. Bxf6 gxf6 24. Rxf6 Rxd3 25. Kg1 $6 { Inaccuracy. Best was f6c6. } 25... b5 $6 { Inaccuracy. Best was e3g2. } 26. cxd3 $4 { Blunder. Best was f6c6. } 26... Rxc1+ 27. Bf1 Kg7 $4 { Blunder. Best was b5b4. } 28. Rf3 Re1 $6 { Inaccuracy. Best was e3c2. } 29. Kf2 Rxf1+ $6 { Inaccuracy. Best was e3c2. } 30. Kxe3 Rxf3+ 31. Kxf3 a4 $2 { Mistake. Best was g7f6. } 32. Ke4 Kg6 $6 { Inaccuracy. Best was b5b4. } 33. Kd4 b4 34. Kc4 b3 35. axb3 a3 36. Kc3 Kg5 37. b4 f5 $4 { Blunder. Best was a3a2. } 38. b5 f4 $6 { Inaccuracy. Best was g5h5. } 39. gxf4+ Kxf4 $2 { Mistake. Best was g5h5. } 40. b6 a2 41. Kb2 a1=Q+ $4 { Checkmate is now unavoidable. Best was f4e3. } 42. Kxa1 $2 { Lost forced checkmate sequence. } 42... h5 $4 { Checkmate is now unavoidable. Best was f4e3. } 43. b7 Kg4 44. b8=Q Kf3 45. Qd6 $6 { Detected checkmate in 7 moves, but player moved for mate in 14. Best was b8g3. } 45... Ke2 46. d4 $6 { Detected checkmate in 8 moves, but player moved for mate in 9. Best was d6e5. } 46... Kf1 47. d5 Kg1 48. Qe5 h4 49. d6 Kh1 50. d7 Kg1 51. d8=R $6 { Detected checkmate in 3 moves, but player moved for mate in 4. Best was d7d8q. } 51... Kf1 52. Rf8+ $6 { Detected checkmate in 3 moves, but player moved for mate in 4. Best was e5e3. } 52... Kg2 53. Qg7+ Kh1 54. Rf1+ $6 { Detected checkmate in 2 moves, but player moved for mate in 3. Best was f8g8. } 54... Kxh2 55. Rf2+ Kh3 56. Qg2# 1-0
View the computer analysis
https://www.ChessOnlineFree.com/game/kngbbpa1/black
Opening C42 Petrov Defense