lichess dev

[Event "Koltanowski Arena"] [Site "http://chess-academy.net/a1HzElHx"] [Date "2026.02.05"] [Round "-"] [White "ioan20"] [Black "Sova"] [Result "0-1"] [UTCDate "2026.02.05"] [UTCTime "17:42:09"] [WhiteElo "1882"] [BlackElo "1813"] [WhiteRatingDiff "-15"] [BlackRatingDiff "+42"] [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. Qf3? { (0.41 → -0.83) Mistake. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... Nf6 3. Nh3? { (-0.63 → -1.89) Mistake. Best move was c4. } (3. c4 Be7 4. Nc3 O-O 5. a3 c6 6. d4 exd4 7. exd4 d5 8. Qd1 Re8 9. Nf3 Bxa3+) 3... h6?! { (-1.89 → -0.91) Inaccuracy. Best move was d5. } (3... d5) 4. b3?! { (-0.91 → -1.79) Inaccuracy. Best move was c4. } (4. c4 d5 5. cxd5 Qxd5 6. Qxd5 Nxd5 7. a3 Be6 8. Nc3 Nxc3 9. bxc3 Nc6 10. Bb2 O-O-O) 4... Nc6?! { (-1.79 → -1.14) Inaccuracy. Best move was d5. } (4... d5) 5. Bb2?! { (-1.14 → -1.68) Inaccuracy. Best move was Bb5. } (5. Bb5 Nb4 6. Qd1 a6 7. Be2 d5 8. Bb2 Bxh3 9. gxh3 Qd7 10. a3 Nc6 11. Bg4 Qe7) 5... Bd6? { (-1.68 → -0.05) Mistake. Best move was a6. } (5... a6 6. c4 g5 7. Qe2 d5 8. cxd5 Nxd5 9. Qd3 f5 10. a3 g4 11. Ng1 Be6 12. Nc3) 6. Bc4? { (-0.05 → -1.20) Mistake. Best move was c4. } (6. c4) 6... O-O 7. d4? { (-0.82 → -3.13) Mistake. Best move was Nc3. } (7. Nc3 Nb4 8. O-O-O Be7 9. e4 d5 10. exd5 Bg4 11. Qg3 Bxd1 12. Rxd1 a6 13. Qxe5 b5) 7... exd4 8. exd4?! { (-2.89 → -3.82) Inaccuracy. Best move was O-O. } (8. O-O Be5 9. exd4 Nxd4 10. Bxd4 Bxd4 11. c3 Bb6 12. Nf4 c6 13. h3 d5 14. Bd3 Nd7) 8... Re8+? { (-3.82 → -2.20) Mistake. Best move was Bb4+. } (8... Bb4+ 9. Kf1 d5 10. Be2 Re8 11. Ng1 Ne4 12. c3 Bd6 13. Bc1 Ne7 14. Bd3 c6 15. Nd2) 9. Be2? { (-2.20 → -4.93) Mistake. Best move was Kf1. } (9. Kf1 Bb4) 9... Bb4+ 10. c3?? { (-3.21 → -8.27) Blunder. Best move was Kf1. } (10. Kf1 d6) 10... Bd6?? { (-8.27 → -0.60) Blunder. Best move was Nxd4. } (10... Nxd4 11. Qd3) 11. O-O b6?! { (-1.16 → -0.48) Inaccuracy. Best move was Bf8. } (11... Bf8) 12. d5? { (-0.48 → -2.46) Mistake. Best move was Qd3. } (12. Qd3 a5 13. Re1 Bf8 14. Na3 d5 15. Nf4 a4 16. Nb5 Na7 17. Na3 Bd6 18. g3 Bxf4) 12... Ne5?! { (-2.46 → -1.61) Inaccuracy. Best move was Qe7. } (12... Qe7) 13. Qe4?? { (-1.61 → -15.47) Blunder. Best move was Qf5. } (13. Qf5) 13... Nxe4 14. Bd3 Nf6 15. Bc2 Ba6 16. c4 b5 17. Bxe5 Bxe5 18. Nc3 Bxc3 19. Rad1 bxc4 20. Nf4 cxb3 21. Bd3 Bxd3 22. Rxd3 bxa2 23. Rxc3 Rb8 24. Ra3 Rb2 25. Nd3 Rd2 26. Nb4 Ree2 27. Ra1?! { (-23.82 → Mate in 7) Checkmate is now unavoidable. Best move was Ra6. } (27. Ra6 Qb8) 27... Qb8 28. Nxa2 Rxa2 29. R3xa2 Rxa2 30. Re1 Rb2 31. h3 Rb1 { White resigns. } 0-1