lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/C1CGnjsF"] [Date "2021.03.16"] [Round "-"] [White "Ops_MS"] [Black "ChessSakuraDark"] [Result "0-1"] [UTCDate "2021.03.16"] [UTCTime "17:41:06"] [WhiteElo "1863"] [BlackElo "1819"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+71"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A43"] [Opening "Benoni Defense: Benoni Gambit Accepted"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 c5?! { (0.15 → 0.99) Inaccuracy. Best move was d5. } (1... d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3) 2. dxc5? { (0.99 → -0.31) Mistake. Best move was d5. } { A43 Benoni Defense: Benoni Gambit Accepted } (2. d5 Nf6) 2... e5?! { (-0.31 → 0.43) Inaccuracy. Best move was e6. } (2... e6 3. Nc3 Nf6 4. e4 Nc6 5. Bd3 Bxc5 6. Nf3 d6 7. Na4 Bb4+ 8. c3 Ba5 9. b4) 3. e4?! { (0.43 → -0.25) Inaccuracy. Best move was b4. } (3. b4) 3... Bxc5 4. Nc3 Nf6 5. Bg5?! { (0.11 → -0.44) Inaccuracy. Best move was Nf3. } (5. Nf3 d6) 5... Nc6?! { (-0.44 → 0.10) Inaccuracy. Best move was d6. } (5... d6 6. Nf3 Bb4 7. Qd3 Bxc3+ 8. Qxc3 O-O 9. Bxf6 Qxf6 10. Bc4 Be6 11. Bxe6 Qxe6 12. Qd3) 6. Bb5?! { (0.10 → -0.48) Inaccuracy. Best move was Bc4. } (6. Bc4 d6) 6... Qb6 7. a4? { (-0.09 → -1.73) Mistake. Best move was Bxf6. } (7. Bxf6 Bxf2+ 8. Kf1 gxf6 9. Qe2 Bc5 10. Na4 Qc7 11. Nxc5 Nd4 12. Qc4 a6 13. Nxa6 Qxc4+) 7... Bxf2+ 8. Kd2?? { (-1.37 → -6.89) Blunder. Best move was Kf1. } (8. Kf1 Bxg1 9. Rxg1 Nd4 10. h3 O-O 11. g4 h6 12. Bxf6 Qxf6+ 13. Kg2 Ne6 14. Nd5 Nf4+) 8... Qd4+?? { (-6.89 → -1.45) Blunder. Best move was h6. } (8... h6 9. Nh3 hxg5 10. Nxf2 Qxf2+ 11. Qe2 Qf4+ 12. Qe3 Qxe3+ 13. Kxe3 Ke7 14. h3 d6 15. Bd3) 9. Kc1 Be3+ 10. Bxe3 Qxe3+ 11. Kb1?! { (-1.27 → -1.85) Inaccuracy. Best move was Qd2. } (11. Qd2) 11... O-O?! { (-1.85 → -0.97) Inaccuracy. Best move was a6. } (11... a6 12. Bd3 d6 13. Nf3 Be6 14. Qg1 Qxg1+ 15. Rxg1 O-O 16. b3 Rac8 17. Kb2 Nb4 18. h3) 12. Ka2? { (-0.97 → -3.91) Mistake. Best move was Nd5. } (12. Nd5 Qh6) 12... Nb4+?! { (-3.91 → -3.39) Inaccuracy. Best move was d5. } (12... d5 13. Kb1) 13. Kb3? { (-3.39 → -5.83) Mistake. Best move was Kb1. } (13. Kb1 Nxe4 14. Nxe4 Qxe4 15. Nf3 d6 16. Bd3 Qf4 17. Qd2 Nxd3 18. cxd3 Qg4 19. Ra3 Bd7) 13... a5? { (-5.83 → -4.08) Mistake. Best move was Qc5. } (13... Qc5 14. Bc4) 14. Qe2 Qxe2? { (-3.98 → -2.25) Mistake. Best move was Qb6. } (14... Qb6 15. Nd5 Nfxd5 16. exd5 d6 17. Rc1 Bf5 18. Nh3 Rfc8 19. c3 Nxd5 20. Ka2 Be6 21. Kb1) 15. Ngxe2 d5 16. exd5 Nfxd5 17. Rad1?? { (-1.95 → -5.10) Blunder. Best move was Nxd5. } (17. Nxd5) 17... Nxc3?? { (-5.10 → -2.00) Blunder. Best move was Ne3. } (17... Ne3 18. Rd6 Be6+ 19. Rxe6 fxe6 20. Rc1 Rf2 21. Ne4 Rxg2 22. c3 Nbd5 23. Re1 Rxh2 24. Nc1) 18. Nxc3? { (-2.00 → -3.22) Mistake. Best move was bxc3. } (18. bxc3) 18... Be6+ 19. Ka3?? { (-2.74 → Mate in 1) Checkmate is now unavoidable. Best move was Bc4. } (19. Bc4 Bxc4+) 19... Nxc2# { Black wins by checkmate. } 0-1