lichess dev

[Event "Letelier Arena"] [Site "http://chess-academy.net/6ORZA6RA"] [Date "2021.02.06"] [Round "-"] [White "Daria_Cirstea"] [Black "jony"] [Result "0-1"] [UTCDate "2021.02.06"] [UTCTime "17:23:20"] [WhiteElo "1385"] [BlackElo "1725"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+19"] [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. Bc4?! { (0.34 → -0.41) Inaccuracy. Best move was d4. } (2. d4 d5 3. c4 Nf6 4. Nf3 c5 5. Nc3 Nc6 6. Be2 cxd4) 2... d5 3. Bb3 Nf6 4. c4 c6?! { (-0.48 → 0.09) Inaccuracy. Best move was dxc4. } (4... dxc4 5. Bxc4 Nbd7 6. Nf3 Bd6 7. O-O O-O 8. d3 b6 9. Nbd2 Bb7 10. b3 a6 11. a4) 5. cxd5?! { (0.09 → -0.84) Inaccuracy. Best move was d4. } (5. d4 Nbd7 6. Nd2 Be7 7. Ngf3 O-O 8. O-O b5 9. c5 Qc7 10. a4 b4 11. e4 Nxe4) 5... cxd5?! { (-0.84 → -0.13) Inaccuracy. Best move was exd5. } (5... exd5 6. d4) 6. Nc3?! { (-0.13 → -0.70) Inaccuracy. Best move was Nf3. } (6. Nf3 a6 7. O-O b5 8. d3 Be7 9. Qe2 Bb7 10. Bc2 Nc6 11. e4 e5 12. Nc3 d4) 6... Nc6?! { (-0.70 → -0.16) Inaccuracy. Best move was a6. } (6... a6) 7. e4? { (-0.16 → -2.42) Mistake. Best move was Nf3. } (7. Nf3 Bd6 8. O-O O-O 9. d3 b6 10. Ba4 Bb7 11. e4 dxe4 12. dxe4 Ne5 13. Bg5 Bb8) 7... Bb4? { (-2.42 → -0.09) Mistake. Best move was d4. } (7... d4 8. Nb1 Nxe4 9. Nf3 d3 10. Ba4 Bd7 11. Nc3 Nf6 12. O-O a6 13. Bxc6 Bxc6 14. Ne5) 8. exd5 exd5 9. Na4?? { (0.09 → -4.44) Blunder. Best move was d4. } (9. d4) 9... O-O 10. Nf3? { (-3.66 → -5.31) Mistake. Best move was Ne2. } (10. Ne2 b5 11. Nac3 d4 12. O-O Bc5 13. h3 dxc3 14. bxc3 Bd6 15. d4 Na5 16. Bc2 Re8) 10... Re8+ 11. Kf1 Bg4 12. Qc2?? { (-4.95 → -9.56) Blunder. Best move was h3. } (12. h3) 12... Rc8? { (-9.56 → -6.91) Mistake. Best move was Qe7. } (12... Qe7 13. Qd1 Nd4 14. h3 Bxf3 15. gxf3 Qe6 16. d3 Qf5 17. Nc3 Nxf3 18. Ne2 Nh5 19. a3) 13. Qd3?? { (-6.91 → -9.93) Blunder. Best move was Nc3. } (13. Nc3 d4) 13... Qe7 14. Qe3?! { (-9.17 → -10.83) Inaccuracy. Best move was h4. } (14. h4 Bxf3) 14... Bxf3?? { (-10.83 → -3.72) Blunder. Best move was Qd7. } (14... Qd7) 15. gxf3?? { (-3.72 → -10.44) Blunder. Best move was Qxe7. } (15. Qxe7) 15... Qd6? { (-10.44 → -7.02) Mistake. Best move was Qd7. } (15... Qd7) 16. Qd3? { (-7.02 → -11.62) Mistake. Best move was Qg5. } (16. Qg5 h6) 16... Ne5 17. Qc2 Nxf3 18. Qd3?! { (-15.43 → Mate in 5) Checkmate is now unavoidable. Best move was Qxc8. } (18. Qxc8 Rxc8) 18... Re1+ 19. Kg2 Rxh1?! { (Mate in 4 → Mate in 10) Not the best checkmate sequence. Best move was Nh4+. } (19... Nh4+ 20. Kh3 Qd7+ 21. Qf5 Qxf5+ 22. Kxh4 Qg4#) 20. Kxh1 Qxh2# { Black wins by checkmate. } 0-1