lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/qpPVNMzi"] [Date "2021.02.22"] [Round "-"] [White "FRoman"] [Black "Lefrancois_Jean"] [Result "0-1"] [UTCDate "2021.02.22"] [UTCTime "17:10:14"] [WhiteElo "1721"] [BlackElo "1967"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+8"] [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. Nc3?! { (0.41 → -0.23) Inaccuracy. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... d6?! { (-0.23 → 0.42) Inaccuracy. Best move was d5. } (2... d5 3. d4 e4 4. f3 Nf6 5. Nge2 Bd6 6. fxe4 dxe4 7. g3) 3. Nf3?! { (0.42 → -0.32) Inaccuracy. Best move was d4. } (3. d4 Nd7) 3... Nf6?! { (-0.32 → 0.36) Inaccuracy. Best move was f5. } (3... f5 4. e4 fxe4 5. Nxe4 d5 6. Ng3 e4 7. Ne5 Nf6 8. d4 Bd6 9. c4 O-O 10. cxd5) 4. e4 Bg4?! { (-0.13 → 0.44) Inaccuracy. Best move was Be7. } (4... Be7 5. d4) 5. Bc4?! { (0.44 → -0.17) Inaccuracy. Best move was d4. } (5. d4 Nc6 6. Bb5 exd4 7. Qxd4 Be7 8. Be3 O-O 9. Qd2 Bh5 10. h3 Bg6 11. Bd3 Re8) 5... c6?! { (-0.17 → 0.56) Inaccuracy. Best move was Nc6. } (5... Nc6 6. Bb5) 6. h3?! { (0.56 → -0.13) Inaccuracy. Best move was O-O. } (6. O-O Nbd7 7. h3 Bh5 8. a3 Nxe4 9. Nxe4 d5 10. Ng3 Bxf3 11. Qxf3 dxc4 12. Qe4 Bd6) 6... Bxf3?! { (-0.13 → 0.52) Inaccuracy. Best move was Bh5. } (6... Bh5) 7. Qxf3 Be7 8. d3?! { (0.80 → 0.25) Inaccuracy. Best move was O-O. } (8. O-O O-O 9. Bb3 Na6 10. Rd1 Nd7 11. d4 exd4 12. Rxd4 Qc7 13. Ne2 Nac5 14. Rd1 b5) 8... Nbd7 9. Bg5?! { (0.71 → -0.22) Inaccuracy. Best move was a4. } (9. a4 Nc5 10. Be3 Ne6 11. O-O O-O 12. a5 Qc7 13. Ne2 b5 14. Bb3 Rfd8 15. Ng3 d5) 9... h6?! { (-0.22 → 0.65) Inaccuracy. Best move was b5. } (9... b5 10. Bb3) 10. Bxf6? { (0.65 → -0.37) Mistake. Best move was Be3. } (10. Be3 O-O) 10... Nxf6 11. O-O-O? { (0.10 → -1.30) Mistake. Best move was O-O. } (11. O-O O-O) 11... Qb6? { (-1.30 → 0.57) Mistake. Best move was b5. } (11... b5 12. Bb3 O-O 13. h4 Nd7 14. Kb1 Rb8 15. g3 Bf6 16. a3 Nc5 17. Ne2 Nxb3 18. cxb3) 12. Na4? { (0.57 → -1.23) Mistake. Best move was a3. } (12. a3) 12... Qc7? { (-1.23 → -0.17) Mistake. Best move was Qd8. } (12... Qd8 13. Nc3) 13. g4?? { (-0.17 → -3.74) Blunder. Best move was Nc3. } (13. Nc3) 13... b5 14. Bxb5? { (-3.12 → -6.05) Mistake. Best move was Bxf7+. } (14. Bxf7+ Kxf7 15. Nc3 g6 16. Ne2 d5 17. h4 Kg7 18. h5 Raf8 19. Qg2 g5 20. f3 Bc5) 14... cxb5 15. Nc3 Rc8? { (-6.16 → -5.01) Mistake. Best move was b4. } (15... b4) 16. Qf5?? { (-5.01 → -10.15) Blunder. Best move was Qe2. } (16. Qe2) 16... b4 17. Rd2?! { (-9.31 → -12.82) Inaccuracy. Best move was Rde1. } (17. Rde1 bxc3) 17... bxc3 18. bxc3 Qxc3 19. d4?! { (-13.83 → Mate in 1) Checkmate is now unavoidable. Best move was Kd1. } (19. Kd1 Nd5 20. exd5 Bg5 21. Ke2 Qxd2+ 22. Kf3 Rxc2 23. Kg2 Bf4 24. Rf1 Rc3 25. Rb1 O-O) 19... Qa1# { Black wins by checkmate. } 0-1