lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/7Ncn1fmC"] [Date "2022.03.22"] [Round "-"] [White "Teodor_Ababii"] [Black "arthur1234"] [Result "0-1"] [UTCDate "2022.03.22"] [UTCTime "15:21:36"] [WhiteElo "1512"] [BlackElo "1496"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+106"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e5 2. Bc4? { (0.41 → -0.61) Mistake. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... d5 3. Bb3 Nf6 4. Ba4+? { (-0.36 → -1.75) Mistake. Best move was d4. } (4. d4 exd4 5. exd4 Bd6 6. Ne2 O-O 7. O-O Re8 8. h3 a5) 4... Nc6? { (-1.75 → -0.40) Mistake. Best move was c6. } (4... c6) 5. d4 e4 6. b3?! { (-0.38 → -1.06) Inaccuracy. Best move was c4. } (6. c4 dxc4 7. Nd2 Qd5 8. Ne2 Bd6 9. Nc3 Qg5 10. Kf1 O-O 11. Ndxe4 Nxe4 12. Nxe4 Qg6) 6... a6? { (-1.06 → 0.05) Mistake. Best move was Be7. } (6... Be7) 7. Na3?? { (0.05 → -3.37) Blunder. Best move was Bxc6+. } (7. Bxc6+) 7... b5?! { (-3.37 → -2.60) Inaccuracy. Best move was Bb4+. } (7... Bb4+ 8. Kf1) 8. Nxb5 axb5 9. Bxb5 Bd7 10. Ba4? { (-2.51 → -4.28) Mistake. Best move was Ne2. } (10. Ne2 Bd6 11. a4 Na5 12. Bxd7+ Qxd7 13. Ba3 Bxa3 14. Rxa3 O-O 15. c3 Rfb8 16. O-O h5) 10... Bb4+?! { (-4.28 → -3.53) Inaccuracy. Best move was Nb4. } (10... Nb4 11. a3) 11. Bd2 Bxd2+? { (-3.58 → -2.34) Mistake. Best move was Bd6. } (11... Bd6) 12. Qxd2 O-O 13. O-O-O?? { (-2.38 → -6.53) Blunder. Best move was Ne2. } (13. Ne2 Qe7 14. O-O Rfb8 15. Bxc6 Bxc6 16. a4 Bd7 17. Qc3 Qd8 18. h3 Bc8 19. Rfb1 Ba6) 13... Qe7 14. Kb1?? { (-5.76 → -8.94) Blunder. Best move was Qc3. } (14. Qc3 Nb4 15. Kd2 Bxa4 16. bxa4 Rxa4 17. Rb1 Nxa2 18. Qc5 Qxc5 19. dxc5 d4 20. Ne2 d3) 14... Qa3 15. f3? { (-8.26 → -12.12) Mistake. Best move was Qc1. } (15. Qc1) 15... Nb4 16. c3 Nd3?! { (-12.32 → -9.42) Inaccuracy. Best move was Bxa4. } (16... Bxa4) 17. Bxd7 Nxd7 18. Ne2 Nf2? { (-7.65 → -6.50) Mistake. Best move was Rfb8. } (18... Rfb8 19. Qc2) 19. Ng3? { (-6.50 → -8.00) Mistake. Best move was Nf4. } (19. Nf4) 19... Nxd1 20. Qxd1? { (-7.16 → Mate in 12) Checkmate is now unavoidable. Best move was Rxd1. } (20. Rxd1 Rfb8) 20... Qxa2+ 21. Kc1 Qa1+ 22. Kc2 Ra2# { Black wins by checkmate. } 0-1