lichess dev

[Event "Black12 Arena"] [Site "http://chess-academy.net/tUIhyGul"] [Date "2026.06.09"] [Round "-"] [White "Matvei2016"] [Black "Kittykatbot"] [Result "0-1"] [UTCDate "2026.06.09"] [UTCTime "16:08:00"] [WhiteElo "1368"] [BlackElo "1909"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+2"] [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 } b6 2. Qf3?! { (0.30 → -0.37) Inaccuracy. Best move was d4. } (2. d4 e6 3. Nf3 Nf6 4. c4 Bb7 5. h3 Bb4+ 6. Bd2 Bxd2+) 2... Nc6 3. Bc4? { (-0.01 → -1.06) Mistake. Best move was d4. } (3. d4 Bb7 4. Nc3 Nf6 5. Qd1 e6 6. Nf3 d5 7. Bd3 a6 8. a3 g6 9. O-O Bg7) 3... Nf6?! { (-1.06 → -0.39) Inaccuracy. Best move was e6. } (3... e6 4. d4 Bb7 5. Bd3 f5 6. Ne2 Nf6 7. Nbc3 d5 8. Qg3 Qe7 9. Bd2 O-O-O 10. O-O) 4. Nh3?! { (-0.39 → -1.36) Inaccuracy. Best move was Nc3. } (4. Nc3) 4... e6?! { (-1.36 → -0.60) Inaccuracy. Best move was Bb7. } (4... Bb7 5. O-O Na5 6. Qe2 Nxc4 7. Qxc4 d5 8. Qe2 e5 9. d4 Bd6 10. f4 e4 11. c4) 5. Ng5? { (-0.60 → -1.80) Mistake. Best move was O-O. } (5. O-O) 5... d5?! { (-1.80 → -1.23) Inaccuracy. Best move was h6. } (5... h6 6. Nh3 Bb7 7. O-O Na5 8. Qe2 Nxc4 9. Qxc4 d5 10. Qe2 Bd6 11. f4 e5 12. b3) 6. Bb5 Bb7 7. Bxc6+?! { (-1.15 → -1.70) Inaccuracy. Best move was Qe2. } (7. Qe2 e5) 7... Bxc6 8. e4? { (-1.34 → -3.56) Mistake. Best move was Qe2. } (8. Qe2 e5) 8... Nxe4?? { (-3.56 → Mate in 1) Checkmate is now unavoidable. Best move was dxe4. } (8... dxe4) 9. Nxe4?? { (Mate in 1 → -3.02) Lost forced checkmate sequence. Best move was Qxf7#. } (9. Qxf7#) 9... dxe4 10. Qe3?! { (-2.83 → -3.74) Inaccuracy. Best move was Qg3. } (10. Qg3 h5) 10... f5? { (-3.74 → -2.70) Mistake. Best move was Bc5. } (10... Bc5) 11. Qh3? { (-2.70 → -4.01) Mistake. Best move was O-O. } (11. O-O Bc5) 11... Bc5?! { (-4.01 → -3.36) Inaccuracy. Best move was Qf6. } (11... Qf6 12. Qh5+) 12. Qh5+ g6 13. Qd1? { (-3.18 → -6.04) Mistake. Best move was Qe2. } (13. Qe2 Qh4) 13... Qd4? { (-6.04 → -4.27) Mistake. Best move was Qg5. } (13... Qg5 14. Qe2 Qxg2 15. Rf1 O-O-O 16. b4 Bxb4 17. Qc4 Bc5 18. Ba3 Bxa3 19. Nxa3 e3 20. O-O-O) 14. Qe2?! { (-4.27 → -5.04) Inaccuracy. Best move was O-O. } (14. O-O O-O-O 15. d3 f4 16. c3 Qxd3 17. Qxd3 Rxd3 18. b4 Bd6 19. Na3 Rf8 20. Nc4 Rxc3) 14... O-O? { (-5.04 → -3.28) Mistake. Best move was O-O-O. } (14... O-O-O 15. a4) 15. O-O?? { (-3.28 → -6.59) Blunder. Best move was Nc3. } (15. Nc3 f4 16. f3 e3 17. d3 g5 18. O-O Rad8 19. a4 g4 20. fxg4 a6 21. Ra2 e5) 15... Rae8?? { (-6.59 → -2.79) Blunder. Best move was f4. } (15... f4 16. c3 Qd5 17. d4 exd3 18. Qg4 Rf5 19. h4 e5 20. b4 Bd6 21. Nd2 e4 22. Nb3) 16. Qe1?? { (-2.79 → -6.93) Blunder. Best move was d3. } (16. d3) 16... e5? { (-6.93 → -4.33) Mistake. Best move was f4. } (16... f4) 17. c3? { (-4.33 → -6.51) Mistake. Best move was Nc3. } (17. Nc3 f4 18. h3 h5 19. Kh2 h4 20. Nd1 Qc4 21. b3 Qxc2 22. Bb2 Qd3 23. Rc1 a5) 17... Qd5 18. d4?? { (-5.71 → Mate in 3) Checkmate is now unavoidable. Best move was c4. } (18. c4 Qd7) 18... exd3 19. Bd2 Qxg2# { Black wins by checkmate. } 0-1