lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/BDaqfirt"] [Date "2020.12.09"] [Round "-"] [White "Stefansah"] [Black "IrinaR"] [Result "0-1"] [UTCDate "2020.12.09"] [UTCTime "18:02:24"] [WhiteElo "979"] [BlackElo "1312"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+8"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "King's Pawn Game: Leonardis Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. d3?! { (0.30 → -0.33) Inaccuracy. Best move was Nf3. } { C20 King's Pawn Game: Leonardis Variation } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5) 2... Be7?! { (-0.33 → 0.28) Inaccuracy. Best move was Nc6. } (2... Nc6 3. Nc3 Bb4 4. Be2 Nf6 5. Bd2 O-O 6. Nf3 d5 7. exd5) 3. Bd2?! { (0.28 → -0.40) Inaccuracy. Best move was Nc3. } (3. Nc3 d6) 3... Bh4? { (-0.40 → 0.97) Mistake. Best move was Nf6. } (3... Nf6 4. c4 Nc6 5. Be2 Bc5 6. Nf3 d6 7. h3 O-O 8. O-O a5 9. Nc3 Be6 10. a3) 4. Nf3 Bf6 5. h3?! { (0.92 → 0.08) Inaccuracy. Best move was d4. } (5. d4 d6) 5... Nh6? { (0.08 → 1.83) Mistake. Best move was d6. } (5... d6 6. c3) 6. Bf4?? { (1.83 → -4.36) Blunder. Best move was g4. } (6. g4 Ng8) 6... exf4 7. Qd2?? { (-3.83 → -11.10) Blunder. Best move was d4. } (7. d4 d5) 7... Qe7?? { (-11.10 → -3.13) Blunder. Best move was Bxb2. } (7... Bxb2 8. Qxf4 Bxa1 9. Be2 Nc6 10. Qd2 d5 11. Nc3 dxe4 12. dxe4 Qxd2+ 13. Kxd2 Bxc3+ 14. Kxc3) 8. Nd4?? { (-3.13 → -9.45) Blunder. Best move was Nc3. } (8. Nc3 Bxc3 9. Qxc3 O-O 10. Qxc7 Qb4+ 11. Qc3 Qxc3+ 12. bxc3 Nc6 13. Be2 b6 14. Nd4 f5) 8... Bxd4 9. Be2?! { (-9.09 → -14.56) Inaccuracy. Best move was c3. } (9. c3 Be5 10. d4 Bd6 11. Bd3 f6 12. Qc2 b6 13. Nd2 Nc6 14. O-O Nf7 15. b4 Bb7) 9... Bxb2 10. a4 Bxa1 11. O-O Qg5 12. Qxf4 Qxf4 13. g3 Qg5 14. Bf3 d6 15. Nc3 Bxh3 16. Nd5?! { (-32.43 → Mate in 8) Checkmate is now unavoidable. Best move was Nb5. } (16. Nb5 Bxf1) 16... Bxf1?! { (Mate in 8 → -34.34) Lost forced checkmate sequence. Best move was Bd4. } (16... Bd4 17. Kh1 Bxf1 18. Nxc7+ Kd8 19. Ne6+ fxe6 20. Bg2 Bxf2 21. Bxf1 Qxg3 22. Bg2 Qh4+ 23. Bh3) 17. Ne7?! { (-34.34 → Mate in 6) Checkmate is now unavoidable. Best move was Kxf1. } (17. Kxf1) 17... Kxe7?! { (Mate in 6 → -43.19) Lost forced checkmate sequence. Best move was Qc1. } (17... Qc1 18. Nd5 Be2+ 19. Kg2 Qf1+ 20. Kh2 Bxf3 21. Nf6+ gxf6 22. e5 Ng4#) 18. Bh5?! { (-43.19 → Mate in 6) Checkmate is now unavoidable. Best move was Kxf1. } (18. Kxf1) 18... Qxh5 19. Kxf1 Qh3+?! { (Mate in 5 → Mate in 7) Not the best checkmate sequence. Best move was Qf3. } (19... Qf3 20. e5 Ng4 21. exd6+ cxd6 22. Ke1 Bc3+ 23. Kf1 Qxf2#) 20. Ke2 Ng4 21. Kf3 Nh2+ 22. Kf4 h5?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Qg4+. } (22... Qg4+ 23. Ke3 Nf1#) 23. Kg5 Rh6?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qg4#. } (23... Qg4#) 24. g4 Qxg4# { Black wins by checkmate. } 0-1