lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/6hXqDVdF"] [Date "2021.01.02"] [Round "-"] [White "Player1"] [Black "Mirai3002"] [Result "0-1"] [UTCDate "2021.01.02"] [UTCTime "17:38:52"] [WhiteElo "1794"] [BlackElo "1963"] [WhiteRatingDiff "-38"] [BlackRatingDiff "+38"] [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... d5 3. Bf1?! { (-0.24 → -1.01) Inaccuracy. Best move was Bb3. } (3. Bb3) 3... Nf6?! { (-1.01 → -0.44) Inaccuracy. Best move was Be6. } (3... Be6 4. d4) 4. d3? { (-0.44 → -1.54) Mistake. Best move was d4. } (4. d4 exd4 5. exd4 Bd6 6. Nf3 O-O 7. Be2 Be6 8. O-O Nbd7 9. h3 Rc8 10. Nc3 a6) 4... Nc6?! { (-1.54 → -0.99) Inaccuracy. Best move was c5. } (4... c5 5. Nf3) 5. Nf3 e4?! { (-1.19 → -0.38) Inaccuracy. Best move was Bd6. } (5... Bd6 6. Nbd2) 6. dxe4 dxe4? { (-1.00 → 0.50) Mistake. Best move was Nxe4. } (6... Nxe4) 7. Nd4? { (0.50 → -1.76) Mistake. Best move was Qxd8+. } (7. Qxd8+ Nxd8 8. Nfd2 a6 9. b3 Nc6 10. a3 Be7 11. Nc3 Bf5 12. h3 h5 13. Bb2 O-O-O) 7... Nxd4? { (-1.76 → -0.28) Mistake. Best move was Ne5. } (7... Ne5) 8. exd4 Bg4?! { (-0.68 → 0.21) Inaccuracy. Best move was Be7. } (8... Be7 9. c4) 9. f3? { (0.21 → -1.97) Mistake. Best move was Be2. } (9. Be2 Bxe2 10. Qxe2 Qxd4 11. Qb5+ Qd7 12. Qxb7 Qd5 13. Qb3 Qc6 14. Nc3 Be7 15. Qb5 Qxb5) 9... exf3 10. gxf3 Bh5 11. Be2?! { (-1.61 → -2.43) Inaccuracy. Best move was Bh3. } (11. Bh3 Bd6 12. Qe2+ Be7 13. O-O O-O 14. Qf2 Nd5 15. c4 Nb4 16. Be3 Bg6 17. Nc3 Nc2) 11... Nd5? { (-2.43 → -1.42) Mistake. Best move was Qd7. } (11... Qd7) 12. f4? { (-1.42 → -3.82) Mistake. Best move was O-O. } (12. O-O Qd7) 12... Qh4+ 13. Kf1 Bxe2+? { (-3.87 → -2.04) Mistake. Best move was Qh3+. } (13... Qh3+ 14. Kf2 Bxe2 15. Qxe2+ Be7 16. Rf1 Qxh2+ 17. Ke1 Qh3 18. Rf3 Qf5 19. Kd1 O-O-O 20. Bd2) 14. Qxe2+ Be7 15. Nc3? { (-1.90 → -3.11) Mistake. Best move was Rg1. } (15. Rg1 O-O-O) 15... Nxf4?! { (-3.11 → -2.34) Inaccuracy. Best move was Nxc3. } (15... Nxc3) 16. Qe4? { (-2.34 → -4.03) Mistake. Best move was Bxf4. } (16. Bxf4 Qxf4+ 17. Qf2 Qd6 18. Rd1 O-O-O 19. Rg1 Qh6 20. Kg2 Kb8 21. Kh1 Rhe8 22. Qg2 g6) 16... Qh3+ 17. Ke1? { (-2.93 → -4.34) Mistake. Best move was Kg1. } (17. Kg1 Ng6 18. Qg2 Qd7 19. Qd5 Qg4+ 20. Kf1 O-O 21. h3 Qc8 22. Be3 Re8 23. Bf2 c6) 17... O-O-O? { (-4.34 → -2.78) Mistake. Best move was Ne6. } (17... Ne6 18. d5) 18. Bxf4 Bh4+? { (-3.35 → -1.54) Mistake. Best move was Rhe8. } (18... Rhe8 19. Be5) 19. Kd1?? { (-1.54 → -4.92) Blunder. Best move was Ke2. } (19. Ke2 Rhe8) 19... Rhe8 20. Qd3?? { (-5.07 → -8.73) Blunder. Best move was Be5. } (20. Be5 Rxe5 21. Qxe5 Qf3+ 22. Kd2 Bg5+ 23. Ke1 Qxh1+ 24. Ke2 Qg2+ 25. Kd3 Qf3+ 26. Kc4 Bf6) 20... Qg2 21. Rf1? { (-8.38 → -14.04) Mistake. Best move was Qf1. } (21. Qf1 Re1+ 22. Qxe1 Bxe1 23. Rxe1 Rxd4+ 24. Kc1 Rxf4 25. a4 Rf2 26. Ra2 Rxc2+ 27. Kb1 Qg6) 21... g5?? { (-14.04 → -1.42) Blunder. Best move was Rxd4. } (21... Rxd4) 22. Bxg5?? { (-1.42 → -16.53) Blunder. Best move was Qf5+. } (22. Qf5+ Kb8) 22... Bxg5 23. Qf5+?! { (-15.53 → Mate in 4) Checkmate is now unavoidable. Best move was Nb5. } (23. Nb5 Kb8) 23... Kb8 24. Rf2 Qg1+ 25. Rf1 Qxd4+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Rxd4+. } (25... Rxd4+ 26. Qd3 Qxf1#) 26. Qd3 Qg4+ 27. Rf3 Rxd3+?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Qxf3+. } (27... Qxf3+ 28. Ne2 Qxe2#) 28. cxd3 Qxf3+?! { (Mate in 5 → Mate in 10) Not the best checkmate sequence. Best move was Qg2. } (28... Qg2 29. Ne4 Rxe4 30. Re3 Rxe3 31. a3 Rxd3+ 32. Ke1 Bh4#) 29. Kc2 Qf2+ 30. Kb3 Qb6+ 31. Kc2 Qc6 32. Kb3?! { (-19.36 → Mate in 16) Checkmate is now unavoidable. Best move was Rg1. } (32. Rg1 Re2+) 32... Bf6 33. Ne2?! { (-26.52 → Mate in 4) Checkmate is now unavoidable. Best move was d4. } (33. d4 Bxd4) 33... Rxe2 34. Rg1 Rxb2+ 35. Ka3 Qa6# { Black wins by checkmate. } 0-1