lichess dev

[Event "SAH Lectie Arena"] [Site "http://chess-academy.net/GLh8Qz5u"] [Date "2021.06.07"] [Round "-"] [White "DariusIonel"] [Black "mikhapro"] [Result "0-1"] [UTCDate "2021.06.07"] [UTCTime "15:43:36"] [WhiteElo "1337"] [BlackElo "1734"] [WhiteRatingDiff "-40"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "420+0"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e5 2. d3?! { (0.41 → -0.50) Inaccuracy. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... d5 3. f3? { (0.00 → -1.94) Mistake. Best move was d4. } (3. d4) 3... Nf6?! { (-1.94 → -0.96) Inaccuracy. Best move was c5. } (3... c5 4. e4 Nf6 5. exd5 Nxd5 6. Ne2 Nc6 7. Nbc3 Be6 8. Nxd5 Qxd5 9. Nc3 Qd7 10. Be2) 4. c3?! { (-0.96 → -1.90) Inaccuracy. Best move was Ne2. } (4. Ne2) 4... Bd6 5. Be2?! { (-1.45 → -2.01) Inaccuracy. Best move was Ne2. } (5. Ne2) 5... Nbd7? { (-2.01 → -0.83) Mistake. Best move was O-O. } (5... O-O 6. g4) 6. Nh3 b6?! { (-1.37 → -0.72) Inaccuracy. Best move was Nf8. } (6... Nf8 7. Nf2) 7. O-O Bb7?! { (-1.13 → -0.61) Inaccuracy. Best move was O-O. } (7... O-O 8. Na3 Re8 9. Nf2 Bb7 10. Nc2 Nf8 11. e4 Ne6 12. Ne3 Bf8 13. a4 a5 14. Bd2) 8. Nf2?! { (-0.61 → -1.13) Inaccuracy. Best move was Na3. } (8. Na3) 8... O-O 9. Nh1?! { (-0.79 → -1.41) Inaccuracy. Best move was Na3. } (9. Na3 Re8 10. Nc2 Nf8 11. e4 Ne6 12. Ne3 a5 13. Nf5 c5 14. d4 cxd4 15. Bb5 dxe4) 9... c5?! { (-1.41 → -0.84) Inaccuracy. Best move was Re8. } (9... Re8) 10. Kf2?! { (-0.84 → -1.77) Inaccuracy. Best move was Ng3. } (10. Ng3 Re8) 10... Qc7 11. Ke1? { (-1.31 → -3.33) Mistake. Best move was c4. } (11. c4 d4) 11... Qc6? { (-3.33 → -1.80) Mistake. Best move was e4. } (11... e4) 12. Nf2? { (-1.80 → -3.14) Mistake. Best move was Ng3. } (12. Ng3) 12... d4? { (-3.14 → -1.92) Mistake. Best move was b5. } (12... b5 13. a4) 13. Rh1? { (-1.92 → -3.74) Mistake. Best move was e4. } (13. e4) 13... dxe3 14. Qc2?? { (-3.40 → -9.22) Blunder. Best move was Bxe3. } (14. Bxe3) 14... exf2+ 15. Kxf2 c4 16. dxc4? { (-8.39 → -10.92) Mistake. Best move was b4. } (16. b4 cxd3) 16... Bc5+? { (-10.92 → -8.89) Mistake. Best move was e4. } (16... e4) 17. Kf1 Ng4? { (-9.19 → -7.47) Mistake. Best move was e4. } (17... e4) 18. fxg4? { (-7.47 → -29.47) Mistake. Best move was Qe4. } (18. Qe4 Qxe4) 18... Qxg2+ 19. Ke1 Qxh1+ 20. Kd2 Qxh2 21. a4?! { (-20.92 → Mate in 4) Checkmate is now unavoidable. Best move was Qd1. } (21. Qd1 Be4) 21... Qf2?! { (Mate in 4 → -14.20) Lost forced checkmate sequence. Best move was Be3+. } (21... Be3+ 22. Ke1 Qf2+ 23. Kd1 Qg1+ 24. Bf1 Qxf1#) 22. Qxh7+?! { (-14.20 → Mate in 16) Checkmate is now unavoidable. Best move was Qd1. } (22. Qd1 Be3+) 22... Kxh7 23. Kd1?! { (-48.35 → Mate in 15) Checkmate is now unavoidable. Best move was Kc2. } (23. Kc2) 23... Bf3?! { (Mate in 15 → -30.19) Lost forced checkmate sequence. Best move was Qg1+. } (23... Qg1+ 24. Kc2 Be4+ 25. Kb3 Qxc1 26. Ka2 Qc2 27. Bd1 Qxd1 28. Na3 Qe2 29. g5 Bxa3 30. Kxa3) 24. Bxf3 Qxf3+ 25. Kc2 Nf6 26. g5 Rad8 27. gxf6?! { (-26.03 → Mate in 1) Checkmate is now unavoidable. Best move was Nd2. } (27. Nd2 Qf5+) 27... Qd1# { Black wins by checkmate. } 0-1