lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/jzgHndwf"] [Date "2021.01.04"] [Round "-"] [White "Daria_Cirstea"] [Black "magnuscarslen"] [Result "0-1"] [UTCDate "2021.01.04"] [UTCTime "18:05:05"] [WhiteElo "1282"] [BlackElo "1904"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+2"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e6 2. Qh5? { (0.34 → -0.82) Mistake. Best move was d4. } (2. d4 d5 3. c4 Nf6 4. Nf3 c5 5. Nc3 Nc6 6. Be2 cxd4) 2... Nf6?! { (-0.82 → -0.20) Inaccuracy. Best move was g6. } (2... g6 3. Qd1) 3. Qd1 d5 4. Nc3?! { (-0.17 → -1.05) Inaccuracy. Best move was Nf3. } (4. Nf3 c5) 4... Nc6?! { (-1.05 → -0.48) Inaccuracy. Best move was c5. } (4... c5 5. d4 Nc6 6. Nf3 Bd7 7. Be2 cxd4 8. exd4 Bd6 9. O-O O-O 10. Be3 Ne7 11. a4) 5. e4? { (-0.48 → -2.42) Mistake. Best move was Nf3. } (5. Nf3 e5 6. d4 Bd6 7. Nb5 e4 8. Nd2 Bg4 9. Be2 Bxe2 10. Qxe2 Nb4 11. Nb3 Be7) 5... dxe4?! { (-2.42 → -1.57) Inaccuracy. Best move was d4. } (5... d4 6. Nce2 Nxe4 7. Ng3 Nxg3 8. hxg3 Qd6 9. Bc4 e5 10. Qf3 Be6 11. Bxe6 Qxe6 12. Qb3) 6. d3?! { (-1.57 → -2.15) Inaccuracy. Best move was a3. } (6. a3 e5) 6... exd3?! { (-2.15 → -1.18) Inaccuracy. Best move was Bb4. } (6... Bb4) 7. cxd3? { (-1.18 → -2.49) Mistake. Best move was Bxd3. } (7. Bxd3 Ne5 8. Be2 Qxd1+ 9. Bxd1 Bd7 10. Nf3 Bd6 11. Nxe5 Bxe5 12. Bf3 O-O-O 13. O-O Bc6) 7... Bb4?! { (-2.49 → -1.75) Inaccuracy. Best move was e5. } (7... e5) 8. Bd2?! { (-1.75 → -2.49) Inaccuracy. Best move was Nf3. } (8. Nf3 e5) 8... Bxc3?! { (-2.49 → -1.66) Inaccuracy. Best move was e5. } (8... e5 9. Nf3 Bf5 10. Be2 Bxd3 11. O-O O-O 12. a3 Ba5 13. Re1 Re8 14. Bg5 Bxe2 15. Qxe2) 9. Bxc3 Bd7? { (-2.10 → -1.10) Mistake. Best move was e5. } (9... e5) 10. Nf3 O-O 11. h4? { (-1.13 → -2.53) Mistake. Best move was Be2. } (11. Be2 Re8) 11... Nd5?! { (-2.53 → -1.80) Inaccuracy. Best move was e5. } (11... e5) 12. Bf6?? { (-1.80 → -8.23) Blunder. Best move was d4. } (12. d4 e5 13. dxe5 Nxc3 14. bxc3 Qe7 15. Be2 Nxe5 16. O-O Bc6 17. Qd4 Ng6 18. Rfe1 Rad8) 12... Qxf6 13. g4? { (-7.94 → -9.49) Mistake. Best move was g3. } (13. g3 Qxb2) 13... Qxb2?! { (-9.49 → -8.76) Inaccuracy. Best move was e5. } (13... e5) 14. Qb1? { (-8.76 → -14.43) Mistake. Best move was Rb1. } (14. Rb1 Qa3) 14... Qc3+ 15. Nd2 Ncb4 16. Qb3 Nxd3+ 17. Ke2?! { (-10.75 → Mate in 10) Checkmate is now unavoidable. Best move was Bxd3. } (17. Bxd3 Qxa1+) 17... Nc1+?! { (Mate in 10 → -14.66) Lost forced checkmate sequence. Best move was N5f4+. } (17... N5f4+ 18. Kd1 Qxa1+ 19. Nb1 Ba4 20. Bxd3 Bxb3+ 21. axb3 Rfd8 22. Kc1 Nxd3+ 23. Kd1 Qxb1+ 24. Ke2) 18. Ke1?! { (-14.66 → Mate in 11) Checkmate is now unavoidable. Best move was Rxc1. } (18. Rxc1 Qxc1 19. Ne4 Nf4+ 20. Kf3 f5 21. gxf5 Rxf5 22. Kg3 Nd5 23. Kh2 Qf4+ 24. Qg3 Qxe4) 18... Nxb3 19. Rd1?! { (-37.83 → Mate in 7) Checkmate is now unavoidable. Best move was axb3. } (19. axb3) 19... Nb4?! { (Mate in 7 → -38.91) Lost forced checkmate sequence. Best move was Qe5+. } (19... Qe5+ 20. Be2 Bb5 21. Nc4 Bxc4 22. Rd2 Nxd2 23. Kd1 Qb2 24. Rh3 Ne4 25. Bxc4 Qd2#) 20. Ke2?! { (-38.91 → Mate in 2) Checkmate is now unavoidable. Best move was Be2. } (20. Be2 Nc2+) 20... Bb5+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Nd4+. } (20... Nd4+ 21. Ke1 Nbc2#) 21. Ke1 Nc2# { Black wins by checkmate. } 0-1