lichess dev

[Event "Korchnoi Arena"] [Site "http://chess-academy.net/8fl0FY8R"] [Date "2025.03.18"] [Round "-"] [White "dnielbostn"] [Black "cezar8"] [Result "1-0"] [UTCDate "2025.03.18"] [UTCTime "17:38:20"] [WhiteElo "1145"] [BlackElo "1015"] [WhiteRatingDiff "+24"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A02"] [Opening "Bird Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. f4?! { (0.15 → -0.38) Inaccuracy. Best move was e4. } { A02 Bird Opening } (1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6) 1... Na6?! { (-0.38 → 0.46) Inaccuracy. Best move was d5. } (1... d5 2. Nf3 Bf5 3. e3 e6 4. Be2 Nf6 5. Nh4 Be7 6. O-O) 2. Nc3?! { (0.46 → -0.27) Inaccuracy. Best move was e4. } (2. e4 e6) 2... Nb4? { (-0.27 → 1.22) Mistake. Best move was d5. } (2... d5) 3. a3?! { (1.22 → 0.67) Inaccuracy. Best move was e4. } (3. e4 c6 4. d4 g6 5. Nf3 Bg7 6. a3 Na6 7. e5 Nc7 8. Bd3 d5 9. O-O Nh6) 3... Nc6?! { (0.67 → 1.65) Inaccuracy. Best move was Na6. } (3... Na6 4. e4 c6 5. d4 Nc7 6. Bd3 g6 7. e5 d5 8. Nf3 h5 9. O-O Nh6 10. Ne2) 4. Nh3? { (1.65 → -0.57) Mistake. Best move was e4. } (4. e4 e6 5. d4 d5 6. e5 Nh6 7. Nf3 Nf5 8. Qd2 Be7 9. Qf2 h5 10. Bd3 b6) 4... h5? { (-0.57 → 1.04) Mistake. Best move was d5. } (4... d5 5. Nf2) 5. Ne4? { (1.04 → -0.62) Mistake. Best move was d4. } (5. d4 d5 6. Ng5 f6 7. e4 dxe4 8. d5 fxg5 9. fxg5 e6 10. dxc6 Qxd1+ 11. Kxd1 Ne7) 5... Rh6? { (-0.62 → 0.58) Mistake. Best move was d5. } (5... d5 6. Nef2 Bg4 7. Nxg4 hxg4 8. Nf2 e6 9. b4 Qf6 10. c3 Qg6 11. e3 f5 12. b5) 6. g4? { (0.58 → -1.74) Mistake. Best move was d4. } (6. d4 d5) 6... hxg4 7. Nhg5? { (-1.57 → -4.09) Mistake. Best move was Nhf2. } (7. Nhf2 d5 8. Ng3 f5 9. d4 e6 10. e3 Bd7 11. Qd3 Qh4 12. Bd2 O-O-O 13. O-O-O g5) 7... Rh3?? { (-4.09 → 1.33) Blunder. Best move was d5. } (7... d5 8. Ng3 f6 9. d4 fxg5 10. Bg2 Qd6 11. O-O Rh8 12. Rf2 Bd7 13. e4 dxe4 14. c3) 8. Bxh3?! { (1.33 → 0.63) Inaccuracy. Best move was Nxh3. } (8. Nxh3 gxh3) 8... gxh3 9. e3?! { (1.11 → 0.39) Inaccuracy. Best move was Nf2. } (9. Nf2 d5) 9... Nh6?! { (0.39 → 1.00) Inaccuracy. Best move was g6. } (9... g6) 10. d4?! { (1.00 → 0.33) Inaccuracy. Best move was Rg1. } (10. Rg1 d5 11. Nf2 Qd6 12. d3 g6 13. Bd2 Bg7 14. d4 Bf5 15. Nd3 O-O-O 16. Nf3 Bxd3) 10... Ng4?? { (0.33 → 9.11) Blunder. Best move was d5. } (10... d5 11. Nf2 Bf5 12. Rg1 Qd7 13. Bd2 O-O-O 14. Bc3 f6 15. Nf3 Kb8 16. Qe2 a6 17. O-O-O) 11. Qxg4 g6?! { (9.08 → 20.40) Inaccuracy. Best move was e6. } (11... e6 12. Nxf7 Qe7 13. Nh8 d6 14. Ng5 g6 15. Nxg6 Qg7 16. Nxf8 Qxf8 17. Nxe6 Bxe6 18. Qxe6+) 12. Nxh3?? { (20.40 → 2.06) Blunder. Best move was Nxf7. } (12. Nxf7 Kxf7 13. f5 Bg7 14. Qxg6+ Kg8 15. Ng5 e5 16. fxe6 Qf6 17. Qh7+ Kf8 18. Rf1 Qxf1+) 12... Bh6?? { (2.06 → 9.81) Blunder. Best move was d5. } (12... d5 13. Qg2) 13. b4?? { (9.81 → 4.62) Blunder. Best move was d5. } (13. d5 d6 14. Qh4 Bf5 15. Nhg5 Bxg5 16. Qh8+ Kd7 17. dxc6+ bxc6 18. Qxd8+ Rxd8 19. Nxg5 f6) 13... f6?? { (4.62 → Mate in 6) Checkmate is now unavoidable. Best move was Nxd4. } (13... Nxd4 14. exd4) 14. Qxg6+ Kf8 15. Qxh6+ Kf7 16. O-O?! { (Mate in 4 → 13.73) Lost forced checkmate sequence. Best move was Nhg5+. } (16. Nhg5+ fxg5 17. Nxg5+ Kg8 18. Qh7+ Kf8 19. Qf7#) 16... Kg8?! { (13.73 → Mate in 4) Checkmate is now unavoidable. Best move was Qg8+. } (16... Qg8+ 17. Kh1) 17. Rf3?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Neg5. } (17. Neg5 fxg5 18. Nxg5 Ne5 19. Qh7+ Kf8 20. Qh8#) 17... Qe8 18. Rg3+ Qg6 19. Rxg6+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qxg6+. } (19. Qxg6+ Kh8 20. Qh5#) 19... Kf7 20. Qg7+ Ke6 21. Nc5+?! { (Mate in 2 → Mate in 6) Not the best checkmate sequence. Best move was Qg8+. } (21. Qg8+ Kf5 22. Ng3#) 21... Kd5 22. Rg5+?! { (Mate in 6 → 30.45) Lost forced checkmate sequence. Best move was Rxf6. } (22. Rxf6 Kc4 23. Qg2 exf6 24. e4 Nxb4 25. Qe2+ Kxd4 26. Na4 b6 27. Bb2#) 22... Kc4?! { (30.45 → Mate in 6) Checkmate is now unavoidable. Best move was fxg5. } (22... fxg5 23. b5) 23. Qf7+ Kb5 24. Nxd7+ Ka4 25. Nc5+?! { (Mate in 1 → Mate in 4) Not the best checkmate sequence. Best move was Qb3#. } (25. Qb3#) 25... Kb5 26. a4+ Kxb4 27. Rb1+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Bd2#. } (27. Bd2#) 27... Kc3 28. Qb3# { White wins by checkmate. } 1-0