lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/PUNZvnzd"] [Date "2020.12.09"] [Round "-"] [White "Marius"] [Black "Luca30"] [Result "1-0"] [UTCDate "2020.12.09"] [UTCTime "18:05:28"] [WhiteElo "1568"] [BlackElo "1333"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-5"] [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 } e5 2. Bc4? { (0.41 → -0.61) Mistake. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... Bc5? { (-0.61 → 0.60) Mistake. Best move was d5. } (2... d5 3. Bb3 Nf6 4. d4 exd4 5. exd4 Bd6 6. Ne2 c6 7. Bf4) 3. Bb3?! { (0.60 → -0.18) Inaccuracy. Best move was Nc3. } (3. Nc3 Nf6 4. d4 exd4 5. exd4 Bb4 6. Ne2 d5 7. Bd3 O-O 8. a3 Bxc3+ 9. Nxc3 Re8+) 3... d5 4. Qe2? { (0.52 → -0.79) Mistake. Best move was d4. } (4. d4 exd4 5. exd4 Bb6 6. Nf3 Nf6 7. O-O O-O 8. c3 c6 9. Bc2 Bc7 10. Re1 Be6) 4... d4? { (-0.79 → 1.86) Mistake. Best move was Ne7. } (4... Ne7 5. d3 a5 6. a4 O-O 7. Nf3 Ng6 8. O-O Nc6 9. Rd1 Be7 10. e4 Bg4 11. c3) 5. Qf3? { (1.86 → -0.66) Mistake. Best move was exd4. } (5. exd4 Bxd4) 5... Nf6?! { (-0.66 → 0.15) Inaccuracy. Best move was Qe7. } (5... Qe7 6. d3) 6. Qe2? { (0.15 → -0.86) Mistake. Best move was exd4. } (6. exd4) 6... dxe3?! { (-0.86 → -0.31) Inaccuracy. Best move was O-O. } (6... O-O 7. d3) 7. dxe3? { (-0.31 → -1.37) Mistake. Best move was fxe3. } (7. fxe3) 7... Bg4? { (-1.37 → 0.29) Mistake. Best move was O-O. } (7... O-O 8. Nc3 Qe7 9. f3 Nc6 10. Bd2 Rd8 11. Nh3 Na5 12. Nf2 b6 13. O-O Nxb3 14. axb3) 8. Qc4?? { (0.29 → Mate in 1) Checkmate is now unavoidable. Best move was f3. } (8. f3 Bc8 9. Nh3 O-O 10. Nf2 Bb6 11. Nc3 Qe7 12. Bd2 Na6 13. O-O-O Nc5 14. g4 Nxb3+) 8... Be7?? { (Mate in 1 → 3.04) Lost forced checkmate sequence. Best move was Qd1#. } (8... Qd1#) 9. Qxf7+ Kd7 10. Qe6+?? { (3.04 → -12.48) Blunder. Best move was f3. } (10. f3 Rf8) 10... Ke8?? { (-12.48 → 3.02) Blunder. Best move was Bxe6. } (10... Bxe6 11. Nf3 Bxb3 12. axb3 Nc6 13. O-O Kc8 14. Nc3 Qe8 15. Re1 Rf8 16. Re2 Qg6 17. Kf1) 11. Ba4+?? { (3.02 → -8.08) Blunder. Best move was Qf7+. } (11. Qf7+ Kd7) 11... c6 12. Qb3? { (-7.91 → Mate in 1) Checkmate is now unavoidable. Best move was Qxe7+. } (12. Qxe7+ Kxe7) 12... Qd7?? { (Mate in 1 → 0.55) Lost forced checkmate sequence. Best move was Qd1#. } (12... Qd1#) 13. f3?! { (0.55 → -0.29) Inaccuracy. Best move was Qd3. } (13. Qd3 a5 14. f3 Bh5 15. Qxd7+ Nbxd7 16. c3 Bc5 17. Bc2 Kd8 18. Nh3 Kc7 19. e4 Bf7) 13... Be6? { (-0.29 → 0.80) Mistake. Best move was Na6. } (13... Na6 14. fxg4) 14. Qc3?! { (0.80 → 0.16) Inaccuracy. Best move was Qd3. } (14. Qd3) 14... b5?! { (0.16 → 1.00) Inaccuracy. Best move was Na6. } (14... Na6 15. Qd2 Rd8 16. Qxd7+ Rxd7 17. Nh3 Bxh3 18. gxh3 Rf8 19. Bb3 e4 20. f4 Nc5 21. Bd2) 15. Bb3 c5? { (0.31 → 1.66) Mistake. Best move was Na6. } (15... Na6 16. Qd2 Rf8 17. Bxe6 Qxe6 18. Qe2 Rd8 19. Nh3 e4 20. Nf4 Qe5 21. O-O exf3 22. Qxf3) 16. Bxe6 Qxe6 17. Qb3?! { (1.92 → 1.08) Inaccuracy. Best move was Nh3. } (17. Nh3 Nc6) 17... b4?? { (1.08 → 15.91) Blunder. Best move was Qxb3. } (17... Qxb3) 18. Qxe6 Nfd7 19. Bd2 Nf8 20. Qxe5 Ng6 21. Qxg7 Rf8 22. c3 Nh8 23. cxb4 cxb4 24. Qe5 Nd7 25. Qe4 Rc8 26. Bxb4 Rc1+ 27. Kd2 Rc8?! { (20.37 → Mate in 1) Checkmate is now unavoidable. Best move was Rc5. } (27... Rc5 28. Bxc5) 28. Qxe7# { White wins by checkmate. } 1-0