lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/xsHopcy4"] [Date "2020.10.18"] [Round "-"] [White "stefan-vartolomei12"] [Black "costelconstantin"] [Result "0-1"] [UTCDate "2020.10.18"] [UTCTime "16:28:02"] [WhiteElo "1558"] [BlackElo "2186"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [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. Qf3? { (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 3. d4 c6? { (-0.87 → 0.28) Mistake. Best move was d5. } (3... d5 4. Qd1 Bd6 5. Nf3 Nbd7 6. c4 c6 7. Nbd2 O-O 8. c5 Bc7 9. b4 Qe8 10. Bb2) 4. e4 d6?! { (-0.23 → 0.53) Inaccuracy. Best move was c5. } (4... c5 5. d5) 5. Nh3? { (0.53 → -0.78) Mistake. Best move was Bd3. } (5. Bd3) 5... Nbd7?! { (-0.78 → -0.01) Inaccuracy. Best move was e5. } (5... e5 6. dxe5 dxe5 7. Nc3 Bb4 8. Bd2 O-O 9. Be2 Bg4 10. Qd3 Bxe2 11. Qxd8 Rxd8 12. Kxe2) 6. Ng5? { (-0.01 → -1.47) Mistake. Best move was c3. } (6. c3 e5 7. Nd2 Be7 8. Qg3 Nh5 9. Qd3 Nf8 10. Be2 Bxh3 11. Bxh5 Be6 12. O-O Ng6) 6... h6 7. Nh3 c5? { (-1.71 → -0.47) Mistake. Best move was e5. } (7... e5) 8. dxc5 Nxc5 9. Be3? { (-0.40 → -2.14) Mistake. Best move was Nc3. } (9. Nc3 a6) 9... Ncxe4?! { (-2.14 → -1.53) Inaccuracy. Best move was Qb6. } (9... Qb6 10. b3) 10. Bd3?! { (-1.53 → -2.25) Inaccuracy. Best move was Nd2. } (10. Nd2 Nxd2) 10... Qa5+?! { (-2.25 → -1.71) Inaccuracy. Best move was d5. } (10... d5 11. Nd2 Nc5 12. O-O Bd6 13. Bxc5 Bxc5 14. Nf4 O-O 15. c4 Bd4 16. cxd5 exd5 17. h3) 11. c3?! { (-1.71 → -2.37) Inaccuracy. Best move was Nd2. } (11. Nd2 Nc5) 11... d5?! { (-2.37 → -1.55) Inaccuracy. Best move was Nc5. } (11... Nc5 12. Bxc5) 12. b4? { (-1.55 → -3.39) Mistake. Best move was Nd2. } (12. Nd2 Nxd2) 12... Bxb4?? { (-3.39 → 0.00) Blunder. Best move was Qc7. } (12... Qc7) 13. cxb4 Qxb4+ 14. Bd2? { (0.10 → -1.72) Mistake. Best move was Nd2. } (14. Nd2) 14... Qb2 15. Bc3?? { (-1.72 → -5.26) Blunder. Best move was Bxe4. } (15. Bxe4 Qxa1) 15... Nxc3 16. Nxc3?? { (-4.40 → -9.27) Blunder. Best move was O-O. } (16. O-O Nce4 17. Na3 O-O 18. Nc4 Qd4 19. Rac1 Bd7 20. Bxe4 Qxe4 21. Qxe4 Nxe4 22. f3 dxc4) 16... Qxc3+ 17. Ke2 Qb2+ 18. Ke3? { (-8.89 → -16.14) Mistake. Best move was Bc2. } (18. Bc2 Qxc2+ 19. Kf1 Qb2 20. Re1 Qxa2 21. g3 Ne4 22. Qe2 Qxe2+ 23. Rxe2 Bd7 24. Kg2 O-O) 18... d4+? { (-16.14 → -8.29) Mistake. Best move was e5. } (18... e5 19. Qd1 Bg4 20. Qxg4 Nxg4+ 21. Kf3 Nf6 22. g3 e4+ 23. Bxe4 dxe4+ 24. Kg2 O-O-O 25. Rhc1+) 19. Kf4 Nd5+?? { (-8.53 → -4.85) Blunder. Best move was Qb4. } (19... Qb4) 20. Ke5?? { (-4.85 → -14.27) Blunder. Best move was Kg3. } (20. Kg3 h5) 20... f6+ 21. Kd6?! { (-12.00 → Mate in 1) Checkmate is now unavoidable. Best move was Ke4. } (21. Ke4 f5+) 21... Qb6# { Black wins by checkmate. } 0-1