lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/J7oHMPem"] [Date "2021.04.01"] [Round "-"] [White "CornelCoslet"] [Black "IN"] [Result "0-1"] [UTCDate "2021.04.01"] [UTCTime "17:35:26"] [WhiteElo "1727"] [BlackElo "2165"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C50"] [Opening "Four Knights Game: Italian Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bc4 Bc5 { C50 Four Knights Game: Italian Variation } 5. O-O O-O 6. Ng5?! { (0.27 → -0.67) Inaccuracy. Best move was d3. } (6. d3 h6 7. h3 d6 8. Na4 Bb6 9. Nxb6 axb6 10. a4 Qe7) 6... h6?! { (-0.67 → -0.10) Inaccuracy. Best move was Nd4. } (6... Nd4 7. d3 c6 8. Na4 Be7 9. c3 Ne6 10. Bxe6 fxe6 11. d4 b5 12. Nc5 h6 13. Nf3) 7. Nh3? { (-0.10 → -1.78) Mistake. Best move was Nf3. } (7. Nf3 Re8) 7... d6 8. Nd5? { (-1.33 → -2.52) Mistake. Best move was Kh1. } (8. Kh1 Bxh3 9. gxh3 Qd7 10. Kg2 Nd4 11. d3 b5 12. Bb3 a5 13. a3 a4 14. Ba2 c6) 8... Bxh3? { (-2.52 → -1.18) Mistake. Best move was Nxd5. } (8... Nxd5) 9. gxh3 Nxe4 10. Re1?? { (-1.66 → -7.74) Blunder. Best move was d3. } (10. d3 Ng5) 10... Qg5+? { (-7.74 → -5.81) Mistake. Best move was Nxf2. } (10... Nxf2 11. Qh5 g6 12. Qf3 Nd4 13. Qg2 Qh4 14. Rf1 Nxc2 15. d4 Bxd4 16. Rxf2 Kg7 17. Bd3) 11. Qg4 Nxf2?? { (-5.93 → -2.37) Blunder. Best move was Bxf2+. } (11... Bxf2+ 12. Kf1) 12. Qxg5 Nxh3+ 13. Kh1? { (-1.92 → -3.49) Mistake. Best move was Kg2. } (13. Kg2 Nxg5 14. Nxc7 Rac8 15. Nd5 Kh7 16. c3 f5 17. d3 e4 18. Bxg5 hxg5 19. dxe4 Ne5) 13... Nxg5?! { (-3.49 → -2.81) Inaccuracy. Best move was hxg5. } (13... hxg5 14. c3) 14. Rg1?? { (-2.81 → -7.42) Blunder. Best move was Nxc7. } (14. Nxc7 Nd4) 14... Bxg1 15. Kxg1 Rac8?! { (-7.42 → -6.56) Inaccuracy. Best move was Nd4. } (15... Nd4 16. c3 Nde6 17. Be2 Kh7 18. d3 c6 19. Ne3 Nh3+ 20. Kf1 d5 21. Ng4 f6 22. a4) 16. Bb5?! { (-6.56 → -7.43) Inaccuracy. Best move was Kg2. } (16. Kg2) 16... a6? { (-7.43 → -5.76) Mistake. Best move was Kh7. } (16... Kh7 17. c3 f5 18. Be2 e4 19. d3 exd3 20. Bxd3 Nf3+ 21. Kh1 Nce5 22. Bc2 Ne1 23. Bb3) 17. Bxc6 bxc6 18. Ne7+ Kh7 19. Nxc8 Rxc8 20. d3?! { (-5.43 → -6.00) Inaccuracy. Best move was b4. } (20. b4) 20... Ne6 21. Bd2 f5 22. Kh1?! { (-5.66 → -6.46) Inaccuracy. Best move was Kg2. } (22. Kg2) 22... g5 23. Rg1?! { (-6.00 → -6.76) Inaccuracy. Best move was Kg2. } (23. Kg2 Kg6) 23... f4 24. h3 Kg6 25. d4? { (-6.62 → -8.38) Mistake. Best move was Kg2. } (25. Kg2 h5) 25... Kf5 26. dxe5 dxe5 27. c4? { (-7.98 → -9.02) Mistake. Best move was Kg2. } (27. Kg2 Rd8 28. Bc1 e4 29. Kf2 Nd4 30. Rd1 e3+ 31. Bxe3 fxe3+ 32. Kxe3 Nxc2+ 33. Ke2 Rxd1) 27... e4 28. Re1?! { (-9.07 → -9.90) Inaccuracy. Best move was Kg2. } (28. Kg2 e3) 28... Nd4?! { (-9.90 → -8.94) Inaccuracy. Best move was Rd8. } (28... Rd8 29. Bc1 Nd4 30. Kg2 Nf3 31. Rh1 Nd2 32. Kf2 e3+ 33. Ke2 Ke4 34. Rd1 f3+ 35. Ke1) 29. Bc3 Nf3 30. Rd1 e3 31. Rf1? { (-8.57 → -10.47) Mistake. Best move was b4. } (31. b4) 31... Nh4 32. Kh2 f3 33. b4 e2 34. Re1?! { (-10.87 → Mate in 6) Checkmate is now unavoidable. Best move was Rf2. } (34. Rf2 Re8) 34... f2 35. Rh1 f1=Q 36. Rxf1+ exf1=Q 37. Bh8 Qg2# { Black wins by checkmate. } 0-1