lichess dev

[Event "catana Arena"] [Site "http://chess-academy.net/NlY7vwXZ"] [Date "2020.07.21"] [Round "-"] [White "Arthur-Dan"] [Black "chitanumatei"] [Result "1-0"] [UTCDate "2020.07.21"] [UTCTime "14:56:04"] [WhiteElo "1702"] [BlackElo "1488"] [WhiteRatingDiff "+26"] [BlackRatingDiff "-7"] [Variant "Standard"] [TimeControl "420+1"] [ECO "A50"] [Opening "Indian Game: Normal Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 Nf6 2. c4 { A50 Indian Game: Normal Variation } Ne4? { (0.25 → 1.33) Mistake. Best move was e6. } (2... e6 3. Nc3 d5 4. Nf3 c5 5. cxd5 exd5 6. Bg5 Be7 7. dxc5) 3. Nf3?! { (1.33 → 0.35) Inaccuracy. Best move was e3. } (3. e3 e5 4. a3 exd4 5. exd4 d5 6. Nf3 Be7 7. Bd3 Nf6 8. O-O dxc4 9. Bxc4 O-O) 3... e5? { (0.35 → 1.68) Mistake. Best move was e6. } (3... e6) 4. Nxe5 Qf6 5. Nf3 g5? { (1.26 → 3.16) Mistake. Best move was Bb4+. } (5... Bb4+) 6. h3? { (3.16 → 1.88) Mistake. Best move was Qd3. } (6. Qd3) 6... c5? { (1.88 → 3.50) Mistake. Best move was Bb4+. } (6... Bb4+ 7. Bd2 Nxd2 8. Nbxd2 d6 9. e3 O-O 10. Be2 c5 11. a3 Bxd2+ 12. Qxd2 Nc6 13. Rd1) 7. dxc5? { (3.50 → 2.11) Mistake. Best move was Qc2. } (7. Qc2 Qe7 8. Nbd2 Nf6 9. dxc5 Nc6 10. Nxg5 Qxc5 11. Nde4 Nxe4 12. Nxe4 Qe5 13. Nc3 Bg7) 7... Bxc5 8. e3 Nc6?! { (2.14 → 3.08) Inaccuracy. Best move was Bb4+. } (8... Bb4+ 9. Nbd2) 9. Nbd2? { (3.08 → 2.08) Mistake. Best move was a3. } (9. a3 Be7 10. Qc2 Qe6 11. b4 f5 12. Bb2 Bf6 13. b5 Ne7 14. Nd4 Qe5 15. Nc3 Nxc3) 9... Nxd2 10. Bxd2 Bb4? { (1.89 → 2.95) Mistake. Best move was Qxb2. } (10... Qxb2 11. Rb1) 11. Bxb4 Nxb4 12. a3? { (3.02 → 2.00) Mistake. Best move was Qd2. } (12. Qd2 Nc6) 12... Qxb2?? { (2.00 → 6.27) Blunder. Best move was Nc6. } (12... Nc6) 13. axb4 Qxb4+ 14. Nd2 f5? { (5.92 → 8.19) Mistake. Best move was Qe7. } (14... Qe7 15. h4 g4 16. Qxg4 d6 17. Rxa7 Rxa7 18. Qd4 O-O 19. Qxa7 Qf6 20. Be2 Re8 21. O-O) 15. Rb1? { (8.19 → 7.00) Mistake. Best move was Qh5+. } (15. Qh5+ Kd8 16. Qxg5+ Qe7 17. Qf4 a5 18. Bd3 Rf8 19. O-O b6 20. Nf3 Bb7 21. Bxf5 Rxf5) 15... Qf8?! { (7.00 → 7.83) Inaccuracy. Best move was Qe7. } (15... Qe7 16. Qh5+) 16. c5 f4? { (7.09 → 10.82) Mistake. Best move was d5. } (16... d5 17. Bb5+) 17. exf4? { (10.82 → 7.86) Mistake. Best move was Ne4. } (17. Ne4 Qe7) 17... Qf7? { (7.86 → 9.59) Mistake. Best move was Qe7+. } (17... Qe7+ 18. Be2) 18. Qe2+? { (9.59 → 7.06) Mistake. Best move was Bc4. } (18. Bc4 Qe7+) 18... Kd8 19. fxg5 Re8 20. Ne4 d5 21. Rd1?? { (7.15 → 2.04) Blunder. Best move was cxd6. } (21. cxd6) 21... Rxe4?? { (2.04 → 11.09) Blunder. Best move was Bd7. } (21... Bd7 22. Qa2) 22. Rxd5+?? { (11.09 → -14.62) Blunder. Best move was Qxe4. } (22. Qxe4) 22... Kc7?? { (-14.62 → 12.68) Blunder. Best move was Qxd5. } (22... Qxd5) 23. Qxe4 Bf5?! { (11.16 → Mate in 10) Checkmate is now unavoidable. Best move was Kb8. } (23... Kb8 24. Qe5+) 24. Qe5+?! { (Mate in 10 → 14.45) Lost forced checkmate sequence. Best move was Qf4+. } (24. Qf4+ Kc8 25. Rxf5 Qe7+ 26. Be2 a5 27. O-O h5 28. Rf8+ Qxf8 29. Qxf8+ Kc7 30. Qd6+ Kc8) 24... Kc6?! { (14.45 → Mate in 1) Checkmate is now unavoidable. Best move was Kc8. } (24... Kc8 25. Qxf5+ Qxf5 26. Rxf5 Kc7 27. Rf7+ Kc6 28. Be2 Re8 29. Rxh7 a5 30. Kd2 Rd8+ 31. Kc2) 25. Bc4?! { (Mate in 1 → Mate in 10) Not the best checkmate sequence. Best move was Qd6#. } (25. Qd6#) 25... Re8 26. Rd6+ Kc7 27. Rd4+?? { (Mate in 9 → -11.26) Lost forced checkmate sequence. Best move was Re6+. } { Black resigns. } (27. Re6+ Kd7 28. c6+ Kc8 29. cxb7+ Qxb7 30. Rxe8+ Kd7 31. Re7+ Kd8 32. Rxb7 Bd7 33. Rb8+ Bc8) 1-0