lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/HmMkANQc"] [Date "2022.02.25"] [Round "-"] [White "Teodor_Ababii"] [Black "lemon"] [Result "1-0"] [UTCDate "2022.02.25"] [UTCTime "17:24:42"] [WhiteElo "1550"] [BlackElo "1873"] [WhiteRatingDiff "+75"] [BlackRatingDiff "-41"] [Variant "Standard"] [TimeControl "360+0"] [ECO "C23"] [Opening "Bishop's Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bc4 { C23 Bishop's Opening } Nc6?! { (-0.16 → 0.46) Inaccuracy. Best move was Nf6. } (2... Nf6 3. Nc3 Bc5 4. Nf3 d6 5. d3 c6 6. O-O O-O 7. a4) 3. Qf3? { (0.46 → -0.57) Mistake. Best move was Nf3. } (3. Nf3 Nf6 4. d3 Bc5 5. O-O O-O 6. c3 Bb6 7. b4 a6) 3... f6? { (-0.57 → 1.56) Mistake. Best move was Nf6. } (3... Nf6 4. Ne2 Na5 5. d3 Be7 6. Nbc3 c6 7. O-O O-O 8. h3) 4. Qh5+? { (1.56 → 0.00) Mistake. Best move was Ne2. } (4. Ne2) 4... g6 5. Qd1 b6? { (0.00 → 1.18) Mistake. Best move was Nge7. } (5... Nge7 6. Nc3 Na5 7. Bf1 Nac6) 6. Bf1? { (1.18 → -1.72) Mistake. Best move was a3. } (6. a3 Nge7 7. Nc3 Nd4 8. Nf3 Bb7 9. d3 Nxf3+ 10. Qxf3 Nf5 11. Nd5 Bxd5 12. Bxd5 Nd4) 6... Bb7?! { (-1.72 → -0.76) Inaccuracy. Best move was d5. } (6... d5 7. d4) 7. Na3? { (-0.76 → -2.36) Mistake. Best move was Nc3. } (7. Nc3 f5 8. d3 Nf6 9. Nd5 Bg7 10. Bg5 Nd4 11. Nf3 Bxd5 12. exd5 O-O 13. Nxd4 exd4) 7... Nb4? { (-2.36 → -0.71) Mistake. Best move was d5. } (7... d5 8. d3 dxe4 9. dxe4 Qxd1+ 10. Kxd1 O-O-O+ 11. Ke1 Nd4 12. Bd3 f5 13. f3 Nf6 14. Bg5) 8. c3 Nc6 9. b4?! { (-0.90 → -1.67) Inaccuracy. Best move was d4. } (9. d4 exd4 10. Nb5 a6 11. Nxd4 Nxd4 12. cxd4 Qe7 13. Nf3 Qxe4+ 14. Be2 O-O-O 15. O-O Qd5) 9... Nce7?! { (-1.67 → -0.79) Inaccuracy. Best move was a5. } (9... a5) 10. Nb5? { (-0.79 → -2.12) Mistake. Best move was d3. } (10. d3 f5 11. Nh3 fxe4 12. dxe4 Bxe4 13. Ng5 Bd5 14. Nc4 h6 15. Nf3 Bg7 16. Ne3 Bb7) 10... Bxe4 11. d3?! { (-1.78 → -2.55) Inaccuracy. Best move was d4. } (11. d4 a6 12. Na3 Bg7 13. h4 Bb7 14. Nc2 Nd5 15. Bd2 Qe7 16. Qe2 O-O-O 17. O-O-O exd4) 11... Bc6 12. c4?! { (-2.10 → -2.95) Inaccuracy. Best move was a4. } (12. a4 h5) 12... Bxb5? { (-2.95 → -1.14) Mistake. Best move was Nf5. } (12... Nf5) 13. cxb5 Nd5 14. d4? { (-1.01 → -2.54) Mistake. Best move was Bd2. } (14. Bd2 Qe7 15. Be2 O-O-O 16. Nf3 Bh6 17. a3 f5 18. O-O Bxd2 19. Qxd2 Ngf6 20. Rfe1 Rhe8) 14... Nxb4?? { (-2.54 → 0.97) Blunder. Best move was Bxb4+. } (14... Bxb4+ 15. Bd2 Qe7 16. Bc4 Nc3 17. Qf3 d5 18. a3 e4 19. Qh3 dxc4 20. Bxc3 Bd6 21. d5) 15. Bd2?? { (0.97 → -2.11) Blunder. Best move was a3. } (15. a3 Nd5 16. dxe5 Nde7 17. Bb2 Bg7 18. Nf3 fxe5 19. Bd3 Nf6 20. Bxe5 d6 21. Bb2 Nh5) 15... Nd5? { (-2.11 → 0.28) Mistake. Best move was exd4. } (15... exd4 16. Qb3 Qe7+ 17. Kd1 Qe6 18. Nf3 d3 19. Bxb4 Qxb3+ 20. axb3 Bxb4 21. Ra4 c5 22. bxc6) 16. dxe5?! { (0.28 → -0.40) Inaccuracy. Best move was Bc4. } (16. Bc4) 16... Qe7? { (-0.40 → 1.37) Mistake. Best move was fxe5. } (16... fxe5 17. Nf3 Ndf6 18. Be2 Ne4 19. Nxe5 Qf6 20. Nf3 Bc5 21. O-O Ne7 22. Be3 d5 23. Nd4) 17. Be3?? { (1.37 → -3.74) Blunder. Best move was Nf3. } (17. Nf3) 17... fxe5?? { (-3.74 → 3.51) Blunder. Best move was Qxe5. } (17... Qxe5 18. Qd4 Nxe3 19. fxe3 Bc5 20. Qxe5+ fxe5 21. Nf3 Nf6 22. O-O-O Ng4 23. Re1 e4 24. Nd4) 18. Qxd5 O-O-O?? { (3.15 → Mate in 1) Checkmate is now unavoidable. Best move was Rd8. } (18... Rd8 19. Nf3 e4 20. Bg5 Nf6 21. Bxf6 Qxf6 22. Qxe4+ Qe7 23. Qxe7+ Kxe7 24. Bc4 Kf6 25. O-O) 19. Qa8# { White wins by checkmate. } 1-0