lichess dev

[Event "Junior Arena"] [Site "http://chess-academy.net/Mg6yjOBj"] [Date "2020.11.30"] [Round "-"] [White "cotomanmaria"] [Black "raluca"] [Result "0-1"] [UTCDate "2020.11.30"] [UTCTime "16:02:20"] [WhiteElo "1579"] [BlackElo "1278"] [WhiteRatingDiff "-286"] [BlackRatingDiff "+19"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A02"] [Opening "Bird Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. f4?! { (0.15 → -0.38) Inaccuracy. Best move was e4. } { A02 Bird Opening } (1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6) 1... f6? { (-0.38 → 0.67) Mistake. Best move was d5. } (1... d5 2. Nf3 Bf5 3. e3 e6 4. Be2 Nf6 5. Nh4 Be7 6. O-O) 2. b4? { (0.67 → -0.79) Mistake. Best move was e4. } (2. e4 e6 3. d4 d5 4. exd5 exd5 5. c4 Bb4+ 6. Nc3 Ne7 7. Bd3 O-O 8. Ne2 dxc4) 2... Nc6? { (-0.79 → 0.76) Mistake. Best move was e5. } (2... e5 3. a3 d5 4. e3 exf4 5. exf4 Nh6 6. d4 Bd6 7. Be2 O-O 8. Nf3 Nd7 9. O-O) 3. Nc3? { (0.76 → -0.78) Mistake. Best move was b5. } (3. b5) 3... Nh6? { (-0.78 → 0.60) Mistake. Best move was Nxb4. } (3... Nxb4) 4. Nf3? { (0.60 → -0.72) Mistake. Best move was b5. } (4. b5 Na5 5. e4 e6 6. d4 Bb4 7. Bd2 O-O 8. a3 Be7 9. Nf3 d5 10. Bd3 c5) 4... Nxb4 5. Nb5? { (-0.33 → -1.82) Mistake. Best move was e4. } (5. e4 e6) 5... c6?! { (-1.82 → -1.14) Inaccuracy. Best move was a6. } (5... a6) 6. d4?? { (-1.14 → -4.79) Blunder. Best move was Nc3. } (6. Nc3 e5 7. fxe5 fxe5 8. e4 d5 9. a3 dxe4 10. Nxe4 Nd5 11. d4 Ng4 12. dxe5 Qb6) 6... cxb5 7. Ba3?? { (-4.22 → -7.65) Blunder. Best move was Bd2. } (7. Bd2 e6) 7... Nxc2+?! { (-7.65 → -6.88) Inaccuracy. Best move was Qa5. } (7... Qa5 8. Bxb4 Qxb4+ 9. Qd2 Qb2 10. Rc1 e5 11. c3 Qxd2+ 12. Nxd2 exf4 13. g3 Bd6 14. Rb1) 8. Kf2?? { (-6.88 → -12.04) Blunder. Best move was Qxc2. } (8. Qxc2 Qa5+) 8... Nxa1? { (-12.04 → -8.83) Mistake. Best move was Nxa3. } (8... Nxa3 9. e4 e6 10. Bd3 b4 11. Re1 Be7 12. g3 O-O 13. Kg2 d5 14. e5 a5 15. Qe2) 9. Qxa1 Nf5? { (-9.05 → -7.44) Mistake. Best move was Ng4+. } (9... Ng4+ 10. Kg3 Ne3 11. Qb1 Qc7 12. Bc1 Nxf1+ 13. Rxf1 Qc4 14. Rf2 e6 15. e4 a5 16. Rc2) 10. d5? { (-7.44 → -14.28) Mistake. Best move was e4. } (10. e4 Qa5 11. Qb2 Nd6 12. Bxd6 exd6 13. Bxb5 d5 14. exd5 Bd6 15. g3 O-O 16. Rb1 Re8) 10... e6?! { (-14.28 → -9.04) Inaccuracy. Best move was Qb6+. } (10... Qb6+) 11. dxe6?! { (-9.04 → -15.45) Inaccuracy. Best move was Bc1. } (11. Bc1 Qb6+) 11... dxe6?! { (-15.45 → -9.18) Inaccuracy. Best move was Qb6+. } (11... Qb6+ 12. Ke1 Bxa3 13. Qc3 Ne3 14. Kd2 Bc5 15. Kc1 dxe6 16. Ne1 O-O 17. Kb1 Nd1 18. Qc2) 12. Bxf8?! { (-9.18 → -10.40) Inaccuracy. Best move was Bc1. } (12. Bc1 Qb6+ 13. e3 Bc5 14. Qc3 b4 15. Qd3 Bd7 16. Be2 Bc6 17. Re1 Bd5 18. g4 Nd6) 12... Kxf8? { (-10.40 → -8.37) Mistake. Best move was Qb6+. } (12... Qb6+) 13. Nh4? { (-8.37 → -14.82) Mistake. Best move was e3. } (13. e3) 13... Ke8? { (-14.82 → -8.57) Mistake. Best move was Qb6+. } (13... Qb6+) 14. e3? { (-8.57 → -15.62) Mistake. Best move was Nxf5. } (14. Nxf5) 14... Nxh4 15. Ke1 Nf5 16. e4 Ne3 17. Bxb5+ Bd7 18. f5?! { (-14.06 → Mate in 9) Checkmate is now unavoidable. Best move was Qb1. } (18. Qb1 Nxg2+) 18... Bxb5 19. a4 Bf1?! { (Mate in 5 → -29.15) Lost forced checkmate sequence. Best move was Qa5+. } (19... Qa5+ 20. Kf2 Qd2+ 21. Kf3 Qe2+ 22. Kg3 Qxg2+ 23. Kh4 Qg4#) 20. Rxf1 Nxf1 21. Kxf1 Rc8 22. fxe6?! { (-22.96 → Mate in 11) Checkmate is now unavoidable. Best move was Qe1. } (22. Qe1 Qd4) 22... Rc2 23. e5 fxe5?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Qd2. } (23... Qd2 24. exf6 Qf2#) 24. Qxe5 Rf8+ 25. Qf4 Rxf4+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qd1#. } (25... Qd1#) 26. Ke1 Rxa4?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qd2#. } (26... Qd2#) 27. g4 Ra1# { Black wins by checkmate. } 0-1