lichess dev

[Event "Bacrot Arena"] [Site "http://chess-academy.net/5tUk5BxR"] [Date "2026.02.12"] [Round "-"] [White "Matvei2016"] [Black "mattias2"] [Result "1-0"] [UTCDate "2026.02.12"] [UTCTime "17:27:29"] [WhiteElo "1403"] [BlackElo "1290"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-9"] [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 } d5 2. Qf3? { (0.32 → -1.41) Mistake. Best move was d4. } (2. d4 e6 3. Nf3 Nf6 4. Bd3 c5 5. O-O Be7 6. dxc5 O-O) 2... Nf6?! { (-1.41 → -0.86) Inaccuracy. Best move was e5. } (2... e5) 3. Nh3? { (-0.86 → -2.19) Mistake. Best move was d4. } (3. d4 Bg4 4. Qf4 e6 5. Nf3 Bf5 6. Bd3 Bxd3 7. cxd3 Nc6) 3... Qd6? { (-2.19 → -0.56) Mistake. Best move was Nc6. } (3... Nc6 4. Nc3) 4. Nf4? { (-0.56 → -2.04) Mistake. Best move was d4. } (4. d4 Nc6) 4... Bg4?! { (-2.04 → -1.16) Inaccuracy. Best move was h5. } (4... h5) 5. Qg3 Nc6?! { (-1.81 → -0.84) Inaccuracy. Best move was e5. } (5... e5) 6. h3?! { (-0.84 → -1.61) Inaccuracy. Best move was d4. } (6. d4 e5) 6... Bf5 7. d4? { (-1.22 → -2.23) Mistake. Best move was Bd3. } (7. Bd3 Bxd3 8. Nxd3 Qxg3 9. fxg3 e5 10. a3 Bd6 11. g4 h5 12. g5 Ne4 13. Nc3 Ng3) 7... Ne4? { (-2.23 → -0.95) Mistake. Best move was Bxc2. } (7... Bxc2 8. Nc3) 8. Qf3 Qb4+? { (-1.38 → 0.16) Mistake. Best move was e6. } (8... e6) 9. Bd2?? { (0.16 → -8.17) Blunder. Best move was c3. } (9. c3 Qd6 10. Nd2 e6 11. h4 h5 12. Nxh5 a6 13. Nxe4 Bxe4 14. Qd1 O-O-O 15. Ng3 Be7) 9... Qxb2 10. Bc3? { (-7.95 → -15.50) Mistake. Best move was Qd1. } (10. Qd1 Qxa1 11. g4 Bg6 12. Nxg6 hxg6 13. Nc3 Qxd1+ 14. Nxd1 O-O-O 15. Nc3 Nxd2 16. Kxd2 e5) 10... Qb6?? { (-15.50 → 8.46) Blunder. Best move was Nxc3. } (10... Nxc3 11. Be2 Be4 12. O-O Bxf3 13. Nxc3 Qxc3 14. Bxf3 e6 15. Be2 Qxc2 16. Bb5 Ba3 17. Rfd1) 11. h4?? { (8.46 → -6.70) Blunder. Best move was Nxd5. } (11. Nxd5 Nxd4 12. exd4 Qd6 13. Qxf5 Nxc3 14. Ndxc3 Qb4 15. Qb5+ Qxb5 16. Bxb5+ c6 17. Bc4 e6) 11... O-O-O?? { (-6.70 → -0.73) Blunder. Best move was Nxc3. } (11... Nxc3 12. Nxd5) 12. Na3?? { (-0.73 → -10.65) Blunder. Best move was Bd3. } (12. Bd3) 12... Na5?? { (-10.65 → 0.00) Blunder. Best move was Nxc3. } (12... Nxc3 13. Bd3 e6 14. Bxf5 exf5 15. Ne2 Qb2 16. O-O Nxe2+ 17. Qxe2 Qxa3 18. c4 Qa6 19. Qf3) 13. Bb2?? { (0.00 → -15.48) Blunder. Best move was Rb1. } (13. Rb1 Qc6 14. Nb5 Qb6) 13... Qb4+ 14. c3 Qxb2 15. Rb1?! { (-13.60 → Mate in 1) Checkmate is now unavoidable. Best move was Bd3. } (15. Bd3 h5) 15... Qxc3+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qd2#. } (15... Qd2#) 16. Kd1 Qxa3?! { (Mate in 1 → -19.92) Lost forced checkmate sequence. Best move was Qd2#. } (16... Qd2#) 17. Qh5 Bg6 18. Qe5 Nxf2+ 19. Ke1 Nxh1 20. Rc1?! { (-28.16 → Mate in 7) Checkmate is now unavoidable. Best move was Nxg6. } (20. Nxg6 Qc3+) 20... Qxa2?? { (Mate in 7 → Mate in 1) Lost forced checkmate sequence. Best move was Qxc1+. } (20... Qxc1+ 21. Ke2 Nc4 22. Kf3 Nxe5+ 23. dxe5 Qxf1+ 24. Kg4 Qf2 25. Nxg6 Qg3+ 26. Kf5 hxg6#) 21. Qxc7# { White wins by checkmate. } 1-0