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Inaccuracy: 5 Mistake: 2 Blunder: 2

Inaccuracy: 4 Mistake: 3 Blunder: 2

[Event "Rated game"]
[Site "/ndg04d8n"]
[Date "2021-09-06"]
[White "Valentoff"]
[Black "GiovannidiLorenzo"]
[Result "0-1"]
[WhiteElo "1312"]
[BlackElo "1340"]
[PlyCount "90"]
[Variant "standard"]
[Annotator ""]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Bg5 Be7 5. h3 h6 6. Bxf6 Bxf6 7. c4 Nd4 8. Nxd4 exd4 9. Nd2 O-O 10. a3 Bh4 11. Nf3 Bf6 12. Be2 d6 13. b4 Bd7 14. Qc2 Qe8 15. Qb2 c5 16. b5 $6 { Inaccuracy. Best was e1g1. } 16... b6 $6 { Inaccuracy. Best was f6d8. } 17. a4 a5 18. bxa6 $6 { Inaccuracy. Best was e1g1. } 18... Rxa6 19. Qd2 $6 { Inaccuracy. Best was e2d1. } 19... Bxa4 20. Bd1 Bg5 $2 { Mistake. Best was b6b5. } 21. Nxg5 hxg5 22. Qxg5 b5 23. Bxa4 Rxa4 24. Rxa4 bxa4 25. O-O f6 $6 { Inaccuracy. Best was e8b8. } 26. Qd5+ Qf7 27. Qc6 a3 28. Qa4 Qb7 29. Qxa3 Ra8 30. Qc1 Ra2 31. g4 $6 { Inaccuracy. Best was c1f4. } 31... g5 32. h4 gxh4 $6 { Inaccuracy. Best was b7c8. } 33. Qh6 Qh7 $2 { Mistake. Best was b7g7. } 34. Qxf6 Ra8 $6 { Inaccuracy. Best was h7g7. } 35. Qxd6 h3 $4 { Blunder. Best was a8f8. } 36. Qxc5 $4 { Blunder. Best was d6d5. } 36... h2+ 37. Kh1 $6 { Inaccuracy. Best was g1g2. } 37... Rf8 $2 { Mistake. Best was h7h3. } 38. Qxd4 $2 { Mistake. Best was c5d5. } 38... Qh3 39. Qd5+ $2 { Mistake. Best was f1b1. } 39... Rf7 40. Qd8+ $4 { Blunder. Best was f1b1. } 40... Kg7 $4 { Blunder. Best was g8h7. } 41. Qg5+ Kf8 42. Qc1 $4 { Checkmate is now unavoidable. Best was g5d8. } 42... Qf3+ 43. Kxh2 Rh7+ 44. Qh6+ Rxh6+ 45. Kg1 Qh1# 0-1

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Otwieranie C42 Petrov Defense