lichess dev

[Event "Yearly Blitz Arena"] [Site "http://chess-academy.net/PxuDav7m"] [Date "2021.09.15"] [Round "-"] [White "Choun"] [Black "AXAXAAXAXAXAXA"] [Result "1-0"] [UTCDate "2021.09.15"] [UTCTime "16:01:55"] [WhiteElo "1898"] [BlackElo "1599"] [WhiteRatingDiff "+20"] [BlackRatingDiff "-6"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A43"] [Opening "Old Benoni Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 c5? { (0.15 → 1.26) Mistake. Best move was d5. } { A43 Old Benoni Defense } (1... d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3) 2. c4? { (1.26 → -0.31) Mistake. Best move was d5. } (2. d5 d6) 2... cxd4 3. Qxd4 Nc6?! { (-0.31 → 0.30) Inaccuracy. Best move was e6. } (3... e6 4. Nc3 Nc6 5. Qd3 Nf6 6. e4 Bb4 7. Bd2 Ne5 8. Qg3 d6 9. a3 Bxc3 10. Bxc3) 4. Qh4? { (0.30 → -1.01) Mistake. Best move was Qd3. } (4. Qd3) 4... g5? { (-1.01 → 0.00) Mistake. Best move was Nf6. } (4... Nf6) 5. Bxg5 Nf6? { (-0.29 → 2.31) Mistake. Best move was Qb6. } (5... Qb6 6. Nc3 Qxb2 7. Rc1 Bg7 8. Qg3 Be5 9. Qe3 Nf6 10. h4 h6 11. Qd2 Bxc3 12. Rxc3) 6. Bxf6 exf6 7. Nc3 Be7?! { (1.56 → 2.50) Inaccuracy. Best move was Bb4. } (7... Bb4 8. Nf3) 8. Nd5? { (2.50 → 0.40) Mistake. Best move was O-O-O. } (8. O-O-O d6 9. Nh3 Be6 10. Nf4 Qd7 11. Nfd5 O-O-O 12. Qf4 Kb8 13. Qd2 Rc8 14. e3 Qd8) 8... d6? { (0.40 → 2.31) Mistake. Best move was Qa5+. } (8... Qa5+ 9. Kd1 d6 10. Qf4 Be6 11. Qd2 Qxd2+ 12. Kxd2 Rc8 13. Rc1 Ne5 14. e3 b5 15. Nh3) 9. Nf3? { (2.31 → 1.01) Mistake. Best move was O-O-O. } (9. O-O-O f5 10. Qg3 Be6 11. Kb1 Bf6 12. Nf3 Bxd5 13. Rxd5 Qe7 14. Qf4 Qe4+ 15. Qxe4+ fxe4) 9... Be6? { (1.01 → 2.01) Mistake. Best move was Qa5+. } (9... Qa5+ 10. Nd2) 10. O-O-O Bxd5? { (1.71 → 2.98) Mistake. Best move was f5. } (10... f5 11. Qh5) 11. cxd5 Ne5 12. Qa4+?! { (2.48 → 1.58) Inaccuracy. Best move was e3. } (12. e3 Qd7) 12... Qd7 13. Qe4? { (2.00 → 0.99) Mistake. Best move was Qb3. } (13. Qb3) 13... Nxf3? { (0.99 → 2.41) Mistake. Best move was f5. } (13... f5 14. Nxe5) 14. exf3 Rc8+? { (1.97 → 3.44) Mistake. Best move was f5. } (14... f5 15. Qf4 Bf6 16. Bd3 Be5 17. Qxf5 Qxf5 18. Bxf5 Kf8 19. g3 Bf6 20. h4 Kg7 21. h5) 15. Kb1 Qc7?? { (2.87 → 6.46) Blunder. Best move was f5. } (15... f5 16. Qd4) 16. Bb5+ Kf8 17. Qf4? { (5.97 → 3.38) Mistake. Best move was Rc1. } (17. Rc1) 17... Qc2+?! { (3.38 → 4.11) Inaccuracy. Best move was h5. } (17... h5 18. Qf5) 18. Ka1 Rc5?? { (3.57 → 8.33) Blunder. Best move was Qg6. } (18... Qg6 19. Bd7) 19. Qh6+ Kg8 20. Bd3 Qxf2?? { (6.80 → 10.34) Blunder. Best move was Qa4. } (20... Qa4 21. Rde1) 21. Rc1?? { (10.34 → 3.03) Blunder. Best move was Rde1. } (21. Rde1) 21... Qxg2?? { (3.03 → 11.51) Blunder. Best move was Bf8. } (21... Bf8 22. Qxf6) 22. Rcg1 Qg7?! { (11.13 → Mate in 1) Checkmate is now unavoidable. Best move was Qg6. } (22... Qg6 23. Bxg6 hxg6 24. Rxg6+ fxg6 25. Qxg6+ Kf8 26. Rg1 Rxd5 27. Qg7+ Ke8 28. Qxh8+ Kd7 29. Qb8) 23. Qxg7# { White wins by checkmate. } 1-0