lichess dev

[Event "Koltanowski Arena"] [Site "http://chess-academy.net/WC4WlN7k"] [Date "2025.03.06"] [Round "-"] [White "Kursk"] [Black "Vlad220117"] [Result "1-0"] [UTCDate "2025.03.06"] [UTCTime "17:17:54"] [WhiteElo "2089"] [BlackElo "1610"] [WhiteRatingDiff "+22"] [BlackRatingDiff "-2"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C40"] [Opening "King's Pawn Game: Busch-Gass Gambit"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Bc5? { (0.22 → 1.84) Mistake. Best move was Nc6. } { C40 King's Pawn Game: Busch-Gass Gambit } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. Bc4? { (1.84 → 0.15) Mistake. Best move was Nxe5. } (3. Nxe5 d6 4. Nf3 Nf6 5. d4 Bb6 6. Bd3 O-O 7. O-O Bg4 8. c3 c5 9. d5 Re8) 3... Qf6? { (0.15 → 1.57) Mistake. Best move was Nc6. } (3... Nc6) 4. Nc3?! { (1.57 → 1.01) Inaccuracy. Best move was O-O. } (4. O-O Ne7 5. c3 d5 6. exd5 Bg4 7. Be2 Nd7 8. d3 Nxd5 9. d4 exd4 10. cxd4 Be7) 4... c6?! { (1.01 → 1.76) Inaccuracy. Best move was Ne7. } (4... Ne7 5. O-O) 5. d3? { (1.76 → 0.62) Mistake. Best move was O-O. } (5. O-O d6 6. d4 Bxd4 7. Nxd4 exd4 8. e5 Qg6 9. Bd3 Bf5 10. Bxf5 Qxf5 11. Qxd4 d5) 5... g5? { (0.62 → 3.57) Mistake. Best move was d6. } (5... d6 6. O-O) 6. Bxg5?! { (3.57 → 2.94) Inaccuracy. Best move was d4. } (6. d4) 6... Qg7 7. Qe2?! { (3.01 → 2.05) Inaccuracy. Best move was Qd2. } (7. Qd2) 7... f6? { (2.05 → 3.55) Mistake. Best move was d6. } (7... d6 8. O-O-O Bg4 9. Kb1 Nd7 10. Bd2 O-O-O 11. h3 Bxf3 12. gxf3 Qf6 13. Rhg1 h6 14. f4) 8. Bh4? { (3.55 → 2.21) Mistake. Best move was Be3. } (8. Be3 Bxe3 9. fxe3 b5 10. Bb3 a5 11. a3 Na6 12. O-O Nh6 13. Nd2 Nc5 14. Ba2 b4) 8... Nh6? { (2.21 → 5.05) Mistake. Best move was Ne7. } (8... Ne7) 9. O-O-O? { (5.05 → 3.47) Mistake. Best move was Nxe5. } (9. Nxe5 d5) 9... Ng4? { (3.47 → 6.20) Mistake. Best move was Be7. } (9... Be7) 10. Bg3? { (6.20 → 4.21) Mistake. Best move was h3. } (10. h3 Nh6 11. d4 Be7 12. dxe5 fxe5 13. Bxe7 Qxe7 14. Qd2 Nf7 15. Bxf7+ Kxf7 16. Qh6 Qf6) 10... f5?? { (4.21 → 8.56) Blunder. Best move was b5. } (10... b5) 11. exf5 d5?! { (8.05 → 8.62) Inaccuracy. Best move was Be7. } (11... Be7 12. Nxe5) 12. Bb3?? { (8.62 → 5.35) Blunder. Best move was Nxe5. } (12. Nxe5 O-O 13. Nxd5 cxd5 14. Bxd5+ Kh8 15. Nxg4 Bd4 16. c3 Bxf5 17. Ne5 Bb6 18. Nf7+ Rxf7) 12... Bxf5? { (5.35 → 6.48) Mistake. Best move was O-O. } (12... O-O 13. h3) 13. d4 Bxd4?? { (5.91 → 10.02) Blunder. Best move was Be7. } (13... Be7 14. h3) 14. Rxd4? { (10.02 → 7.08) Mistake. Best move was Nxd4. } (14. Nxd4 Nd7 15. Nxf5 Qg5+ 16. Ne3 Nxe3 17. Qxe3 Qxe3+ 18. fxe3 O-O-O 19. e4 d4 20. Ne2 Rde8) 14... Qh6+? { (7.08 → 9.90) Mistake. Best move was Nd7. } (14... Nd7) 15. Kb1 Qg6?! { (9.26 → 16.07) Inaccuracy. Best move was Nd7. } (15... Nd7 16. Nxe5) 16. Nxe5 Nxe5 17. Qxe5+ Kf7?! { (20.11 → Mate in 9) Checkmate is now unavoidable. Best move was Qe6. } (17... Qe6 18. Qxh8+) 18. Qxh8?! { (Mate in 9 → 17.69) Lost forced checkmate sequence. Best move was Nxd5. } (18. Nxd5 cxd5 19. Bxd5+ Be6 20. Bxe6+ Qxe6 21. Rf4+ Ke7 22. Bh4+ Kd7 23. Rd4+ Qd6 24. Qxd6+ Kc8) 18... a5 19. Re1 a4?! { (31.03 → Mate in 6) Checkmate is now unavoidable. Best move was Nd7. } (19... Nd7 20. Qxa8) 20. Rxa4?! { (Mate in 6 → 29.15) Lost forced checkmate sequence. Best move was Qe8+. } (20. Qe8+ Kg7 21. Re7+ Kh6 22. Rh4+ Kg5 23. f4+ Kf6 24. Qf8+ Qf7 25. Qxf7#) 20... Rxa4 21. Bxa4 Bxc2+?! { (25.24 → Mate in 7) Checkmate is now unavoidable. Best move was Be6. } (21... Be6 22. Qxb8) 22. Bxc2 Qg5 23. Qe8+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qxh7+. } (23. Qxh7+ Kf8 24. Bd6+ Qe7 25. Qh8+ Kf7 26. Rxe7#) 23... Kg7 24. Re7+ Kh6 25. Rxh7# { White wins by checkmate. } 1-0