lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/KKYDmtVx"] [Date "2020.11.02"] [Round "-"] [White "Stefanos"] [Black "Otilia"] [Result "0-1"] [UTCDate "2020.11.02"] [UTCTime "17:32:19"] [WhiteElo "1245"] [BlackElo "1491"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+43"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C24"] [Opening "Bishop's Opening: Berlin Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bc4 Nf6 { C24 Bishop's Opening: Berlin Defense } 3. g4? { (0.13 → -2.84) Mistake. Best move was Nc3. } (3. Nc3 Nc6 4. d3 Na5 5. Bb3 Bb4 6. Nf3 Bxc3+ 7. bxc3 d6) 3... d6? { (-2.84 → -1.71) Mistake. Best move was d5. } (3... d5) 4. g5?! { (-1.71 → -2.64) Inaccuracy. Best move was Nc3. } (4. Nc3 Bxg4) 4... Nxe4 5. Qf3? { (-2.35 → -3.68) Mistake. Best move was Nc3. } (5. Nc3 Nxc3) 5... f6?? { (-3.68 → 1.80) Blunder. Best move was Nxg5. } (5... Nxg5 6. Qg2) 6. gxf6?? { (1.80 → -2.66) Blunder. Best move was Qxe4. } (6. Qxe4 c6 7. Be2 d5 8. Qg2 Be6 9. d3 Na6 10. c3 Qb6 11. Nd2 O-O-O 12. Ngf3 Kb8) 6... Nxf6 7. h3? { (-2.55 → -3.90) Mistake. Best move was Nc3. } (7. Nc3) 7... Nc6 8. Rh2? { (-3.40 → -5.29) Mistake. Best move was Ne2. } (8. Ne2 d5 9. Bb3 e4 10. Qg3 Bd6 11. Qe3 Ne5 12. d4 Nf3+ 13. Kd1 Qe7 14. c4 dxc4) 8... Bd7? { (-5.29 → -4.26) Mistake. Best move was Nd4. } (8... Nd4 9. Qd1) 9. Rg2?! { (-4.26 → -5.02) Inaccuracy. Best move was Nc3. } (9. Nc3) 9... Qe7? { (-5.02 → -3.51) Mistake. Best move was Nd4. } (9... Nd4 10. Qd1) 10. Rg3? { (-3.51 → -5.88) Mistake. Best move was Nc3. } (10. Nc3 O-O-O 11. Nd5 Nxd5 12. Bxd5 Nd4 13. Qc3 h6 14. d3 c6 15. Bb3 Kb8 16. Be3 g5) 10... O-O-O 11. Nc3?! { (-5.37 → -5.96) Inaccuracy. Best move was Qd1. } (11. Qd1 Nd4 12. Be2 g6 13. d3 Nf5 14. Rg2 Bc6 15. Nf3 d5 16. c3 d4 17. Kf1 dxc3) 11... Nd4 12. Nd5?? { (-4.81 → -12.41) Blunder. Best move was Qd1. } (12. Qd1) 12... Qe8?? { (-12.41 → -5.30) Blunder. Best move was Nxf3+. } (12... Nxf3+) 13. Qa3?? { (-5.30 → -12.80) Blunder. Best move was Qd1. } (13. Qd1 Nh5) 13... Bc6? { (-12.80 → -7.42) Mistake. Best move was Nxc2+. } (13... Nxc2+) 14. Be2? { (-7.42 → -12.62) Mistake. Best move was Nxf6. } (14. Nxf6 gxf6 15. Qd3 f5 16. Bb3 Kb8 17. c3 Nxb3 18. axb3 f4 19. Rg5 h6 20. Rg4 h5) 14... Bxd5? { (-12.62 → -8.69) Mistake. Best move was Nxc2+. } (14... Nxc2+ 15. Kf1 Bxd5 16. Qxa7 Nxa1 17. Qa5 c5 18. Bd3 Qf7 19. Ne2 Ne4 20. Bxe4 Bxe4 21. d3) 15. Bg4+? { (-8.69 → -13.86) Mistake. Best move was Bd1. } (15. Bd1 Ne4 16. Qe3 Nxg3 17. Qxg3 Qf7 18. b3 Be7 19. Bb2 Nf5 20. Bg4 h5 21. Bxf5+ Qxf5) 15... Kb8 16. Rb3 Bxb3 17. cxb3 d5 18. d3 Bxa3 19. bxa3 e4 20. Bd2 exd3+ 21. Kd1 Qe2+?! { (-28.91 → -9.13) Inaccuracy. Best move was h5. } (21... h5) 22. Kc1? { (-9.13 → Mate in 25) Checkmate is now unavoidable. Best move was Bxe2. } { White resigns. } (22. Bxe2 Ne4) 0-1