lichess dev

[Event "Koltanowski Arena"] [Site "http://chess-academy.net/BEkni4jP"] [Date "2026.02.05"] [Round "-"] [White "Leon_L"] [Black "Sova"] [Result "0-1"] [UTCDate "2026.02.05"] [UTCTime "17:25:23"] [WhiteElo "1259"] [BlackElo "1867"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+3"] [Variant "Standard"] [TimeControl "420+0"] [ECO "A02"] [Opening "Bird Opening: Schlechter Gambit"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. f4?! { (0.15 → -0.38) Inaccuracy. Best move was e4. } (1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6) 1... e5? { (-0.38 → 0.86) Mistake. Best move was d5. } (1... d5 2. Nf3 Bf5 3. e3 e6 4. Be2 Nf6 5. Nh4 Be7 6. O-O) 2. fxe5 Nc6? { (0.15 → 1.27) Mistake. Best move was d6. } { A02 Bird Opening: Schlechter Gambit } (2... d6 3. exd6 Bxd6 4. Nf3 Nf6 5. g3 O-O 6. Bg2 Bg4 7. O-O) 3. Nf3?! { (1.27 → 0.56) Inaccuracy. Best move was Nc3. } (3. Nc3) 3... f6?! { (0.56 → 1.11) Inaccuracy. Best move was d6. } (3... d6 4. exd6 Bxd6 5. d4 Nf6 6. Nc3 O-O 7. e4 Bb4 8. e5 Nd5 9. Qd3 f6 10. Bd2) 4. d4 fxe5 5. dxe5 d6 6. Bg5 Nge7?! { (0.90 → 1.74) Inaccuracy. Best move was Be7. } (6... Be7 7. Bxe7) 7. Bc1? { (1.74 → -0.27) Mistake. Best move was exd6. } (7. exd6 Qxd6) 7... dxe5?! { (-0.27 → 0.55) Inaccuracy. Best move was Ng6. } (7... Ng6) 8. Ng1?? { (0.55 → -3.20) Blunder. Best move was Qxd8+. } (8. Qxd8+ Nxd8 9. e4 Nec6 10. Be3 a6 11. Bc4 Be6 12. Nbd2 Bxc4 13. Nxc4 Nf7 14. O-O-O Bd6) 8... Qxd1+?! { (-3.20 → -2.46) Inaccuracy. Best move was Nd5. } (8... Nd5 9. g3) 9. Kxd1 Bf5 10. e4?! { (-2.14 → -2.75) Inaccuracy. Best move was Bd2. } (10. Bd2) 10... Bxe4 11. Bd3?? { (-2.55 → -9.06) Blunder. Best move was Nf3. } (11. Nf3 Bg6 12. Bd2 O-O-O 13. Kc1 Nd5 14. Nc3 e4 15. Nxd5 Rxd5 16. Nh4 Bf7 17. Be2 Be7) 11... Bxg2 12. Ne2?! { (-8.59 → -9.18) Inaccuracy. Best move was Nd2. } (12. Nd2 Bxh1 13. Ngf3 Nd5 14. Be4 O-O-O 15. Ke1 Bc5 16. Nb3 Bb6 17. Bg5 Rd7 18. Nbd2 Nd4) 12... Bxh1 13. Ng1? { (-8.83 → -11.81) Mistake. Best move was Bd2. } (13. Bd2 Bf3 14. Nc3 O-O-O 15. Kc1 g6 16. Bg5 Bg7 17. Ng3 h6 18. Bd2 Rhf8 19. Be1 Bg4) 13... O-O-O 14. Ne2 e4 15. c3 exd3 16. Nf4 Bf3+ 17. Ke1 g5 18. c4 Nf5 19. h3?! { (-18.75 → Mate in 12) Checkmate is now unavoidable. Best move was Nd5. } (19. Nd5 Ncd4 20. Kf2 Bxd5 21. cxd5 Nc2 22. Kf3 Re8 23. Kg4 Re5 24. Bxg5 Nxa1 25. Bf6 Rg8+) 19... Bb4+?! { (Mate in 12 → -21.78) Lost forced checkmate sequence. Best move was gxf4. } (19... gxf4 20. Nc3 Re8+ 21. Kd2 Re2+ 22. Nxe2 dxe2 23. a3 Bc5 24. b4 Rd8+ 25. Kc2 e1=Q 26. Rb1) 20. Kf1 Ng3+ 21. Kg1?! { (-22.38 → Mate in 3) Checkmate is now unavoidable. Best move was Kf2. } (21. Kf2 gxf4) 21... Bc5+ 22. Kh2 Nf1# { Black wins by checkmate. } 0-1