lichess dev

[Event "Academy Teachers Arena"] [Site "http://chess-academy.net/iTDa05bN"] [Date "2019.09.21"] [Round "-"] [White "DanielaOs"] [Black "Alina1303"] [Result "0-1"] [UTCDate "2019.09.21"] [UTCTime "05:40:30"] [WhiteElo "1537"] [BlackElo "1541"] [WhiteRatingDiff "-75"] [BlackRatingDiff "+37"] [Variant "Standard"] [TimeControl "300+2"] [ECO "C47"] [Opening "Four Knights Game: Scotch Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4?! { (0.35 → -0.50) Inaccuracy. Best move was Bb5. } { C47 Four Knights Game: Scotch Variation } (4. Bb5 Nd4) 4... Bd6? { (-0.50 → 1.06) Mistake. Best move was exd4. } (4... exd4 5. Nd5) 5. Bc4? { (1.06 → -0.09) Mistake. Best move was dxe5. } (5. dxe5 Nxe5) 5... O-O? { (-0.09 → 0.95) Mistake. Best move was Nxd4. } (5... Nxd4) 6. O-O?! { (0.95 → -0.03) Inaccuracy. Best move was d5. } (6. d5 Nd4 7. O-O Nxf3+ 8. Qxf3 Bb4 9. Bg5 d6 10. Ne2 Bg4 11. Qg3 Bd7 12. c3 Bc5) 6... exd4?! { (-0.03 → 0.58) Inaccuracy. Best move was Nxd4. } (6... Nxd4 7. Nxd4 exd4 8. Nb5 Bc5 9. Bg5 c6 10. e5 cxb5 11. Bd3 Be7 12. exf6 Bxf6 13. Bxf6) 7. Nxd4?! { (0.58 → 0.04) Inaccuracy. Best move was Nb5. } (7. Nb5) 7... Be5?! { (0.04 → 0.81) Inaccuracy. Best move was Nxd4. } (7... Nxd4 8. Qxd4 Re8 9. Bb3 Qe7 10. Nd5 Nxd5 11. Qxd5 h6 12. Re1 a5 13. a4 Bc5 14. Be3) 8. Be3? { (0.81 → -0.27) Mistake. Best move was Nde2. } (8. Nde2 Bd6 9. Nf4 Be5 10. Nfd5 d6 11. Bg5 Be6 12. Bh4 a6 13. f4 Bd4+ 14. Kh1 Re8) 8... d6 9. Nd5? { (0.52 → -1.16) Mistake. Best move was Nxc6. } (9. Nxc6 bxc6) 9... Bg4?? { (-1.16 → 4.46) Blunder. Best move was Ng4. } (9... Ng4 10. f4 Nxe3 11. Nxc6 bxc6 12. Nxe3 Bxb2 13. Rb1 Ba3 14. Kh1 Re8 15. e5 Bc5 16. Qf3) 10. f3?? { (4.46 → 0.24) Blunder. Best move was Nxc6. } (10. Nxc6 Nxd5) 10... Bh5 11. Qe1?? { (0.71 → -4.51) Blunder. Best move was Nxc6. } (11. Nxc6 bxc6 12. Nb4 Qe8 13. Qd2 d5 14. exd5 cxd5 15. Nxd5 Rd8 16. Nxf6+ Bxf6 17. Qe2 Bxb2) 11... Bxd4 12. Bxd4 Nxd4 13. c3?? { (-3.92 → -6.94) Blunder. Best move was Rd1. } (13. Rd1 Nxd5 14. Bxd5 Ne6 15. Qd2 Bg6 16. c3 Rb8 17. Qe3 a5 18. b4 a4 19. f4 Bh5) 13... Nc2 14. Qc1?! { (-6.66 → -7.28) Inaccuracy. Best move was Qf2. } (14. Qf2 Nxd5 15. Rab1 Nde3 16. Bb3 Nxf1 17. Rxf1 Bg6 18. Bxc2 Re8 19. Rd1 c6 20. h4 a5) 14... Nxa1 15. Qxa1?! { (-6.85 → -7.72) Inaccuracy. Best move was Nxf6+. } (15. Nxf6+ Qxf6) 15... Nxd5 16. exd5?! { (-7.23 → -8.06) Inaccuracy. Best move was Bxd5. } (16. Bxd5 c6 17. Bb3 Qb6+ 18. Kh1 Rad8 19. Qd1 d5 20. exd5 cxd5 21. Qd4 Qxd4 22. cxd4 Rfe8) 16... c6?! { (-8.06 → -7.36) Inaccuracy. Best move was Qh4. } (16... Qh4 17. b3 Rfe8 18. Qc1 a6 19. Qd2 Re7 20. Rc1 Rae8 21. Bf1 Re1 22. Rxe1 Qxe1 23. Qxe1) 17. g4?! { (-7.36 → -7.91) Inaccuracy. Best move was Qe1. } (17. Qe1 Re8 18. Qf2 Bg6 19. Rd1 c5 20. f4 a6 21. Be2 Qd7 22. Rf1 h6 23. Bf3 b5) 17... Qg5?! { (-7.91 → -7.12) Inaccuracy. Best move was Bg6. } (17... Bg6 18. Qe1 h5 19. f4 Re8 20. Qf2 hxg4 21. f5 Bh5 22. Qd2 Re5 23. dxc6 Qb6+ 24. Qf2) 18. Qb1? { (-7.12 → -8.75) Mistake. Best move was Qc1. } (18. Qc1 Qxc1) 18... Qe3+? { (-8.75 → -7.49) Mistake. Best move was Bxg4. } (18... Bxg4 19. Kh1 Qf4 20. Qe4 Bxf3+ 21. Qxf3 Qxc4 22. dxc6 bxc6 23. b3 Qc5 24. a4 Rae8 25. b4) 19. Rf2?! { (-7.49 → -8.00) Inaccuracy. Best move was Kg2. } (19. Kg2 Bg6 20. Qc1 Qc5 21. Bb3 Rfe8 22. Qd2 Re3 23. Qd4 Bd3 24. Rf2 Qxd4 25. cxd4 Rae8) 19... Bg6 20. Qd3? { (-7.70 → -23.36) Mistake. Best move was Qd1. } (20. Qd1 c5) 20... Bxd3 21. Bxd3 Qxd3 22. h4 Qd1+ 23. Kg2?! { (-23.07 → Mate in 8) Checkmate is now unavoidable. Best move was Rf1. } (23. Rf1 Qxd5) 23... Rae8 24. h5 Re1 25. Kg3 Rg1+ 26. Rg2 Qe1+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Rf1. } (26... Rf1 27. Rf2 Qe1 28. h6 g5 29. dxc6 Qxf2+ 30. Kh3 Rh1#) 27. Kf4 Rxg2?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qe5#. } (27... Qe5#) 28. Kg5 Qe5+ 29. Kh4 Rh2# { Black wins by checkmate. } 0-1