lichess dev

[Event "Academy Teachers Arena"] [Site "http://chess-academy.net/nImsj2BW"] [Date "2019.09.14"] [Round "-"] [White "Genny"] [Black "N_Motriuc"] [Result "1-0"] [UTCDate "2019.09.14"] [UTCTime "05:29:40"] [WhiteElo "1552"] [BlackElo "1222"] [WhiteRatingDiff "+21"] [BlackRatingDiff "-19"] [Variant "Standard"] [TimeControl "300+2"] [ECO "C46"] [Opening "Three Knights Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 { C46 Three Knights Opening } Nb4? { (-0.01 → 2.56) Mistake. Best move was Nf6. } (3... Nf6 4. Bb5) 4. d4? { (2.56 → 1.09) Mistake. Best move was Nxe5. } (4. Nxe5 d6 5. Nf3 d5 6. Nxd5 Nxd5 7. exd5 Qxd5 8. Be2 Nf6 9. O-O Be7 10. d4 O-O) 4... Bd6? { (1.09 → 3.95) Mistake. Best move was exd4. } (4... exd4 5. Nxd4 Nf6 6. Bf4 d6 7. a3 Nc6 8. Nxc6 bxc6 9. Bc4 Nd7 10. Qd4 Qf6 11. Qxf6) 5. dxe5 Bxe5? { (3.87 → 6.25) Mistake. Best move was Be7. } (5... Be7 6. Bc4) 6. Nxe5 Nxc2+?? { (5.51 → 9.79) Blunder. Best move was d6. } (6... d6 7. Nd3 Nc6 8. Be3 Nf6 9. Qd2 O-O 10. O-O-O b6 11. f3 Bb7 12. Kb1 d5 13. Bg5) 7. Qxc2 Nh6 8. Bc4 Rf8 9. Nf3 Qe7 10. Bg5 f6 11. Bxh6 gxh6 12. O-O-O c5 13. Nd5 Qf7 14. Nc7+ Ke7 15. Nxa8 b6 16. Bxf7 Rxf7 17. e5 fxe5?! { (29.40 → Mate in 9) Checkmate is now unavoidable. Best move was f5. } (17... f5 18. Qa4) 18. Nxe5 Bb7?! { (80.87 → Mate in 5) Checkmate is now unavoidable. Best move was d5. } (18... d5 19. Nxf7) 19. Nxf7?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Rxd7+. } (19. Rxd7+ Ke6 20. Rxf7 Kxe5 21. Rd1 Be4 22. Qc3+ Ke6 23. Qf6#) 19... Kxf7 20. Qf5+ Ke7 21. Rde1+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Rxd7+. } (21. Rxd7+ Ke8 22. Nc7#) 21... Kd8 22. Qf8# { White wins by checkmate. } 1-0