lichess dev

[Event "UltraBullet Shield Arena"] [Site "http://chess-academy.net/qyd4T8qj"] [Date "2025.10.12"] [Round "-"] [White "Stockfish17NNUE"] [Black "Yaroclav-K"] [Result "0-1"] [UTCDate "2025.10.12"] [UTCTime "15:56:58"] [WhiteElo "1846"] [BlackElo "1286"] [WhiteRatingDiff "-228"] [BlackRatingDiff "+259"] [Variant "Standard"] [TimeControl "15+0"] [ECO "A40"] [Opening "Australian Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 Na6? { (0.15 → 1.28) Mistake. Best move was d5. } { A40 Australian Defense } (1... d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3) 2. Bd2? { (1.28 → -0.01) Mistake. Best move was e4. } (2. e4 e6) 2... c6?! { (-0.01 → 0.91) Inaccuracy. Best move was Nf6. } (2... Nf6) 3. Nf3?! { (0.91 → 0.28) Inaccuracy. Best move was e4. } (3. e4) 3... Nc7? { (0.28 → 1.28) Mistake. Best move was Nf6. } (3... Nf6 4. e3 g6 5. Bxa6 bxa6 6. c4 Bg7 7. Nc3 O-O 8. O-O d5 9. Ne5 Qc7 10. Qa4) 4. e3?! { (1.28 → 0.33) Inaccuracy. Best move was c4. } (4. c4) 4... e5? { (0.33 → 2.00) Mistake. Best move was g6. } (4... g6 5. Bd3 Nf6 6. c4 Bg7 7. e4 d6 8. O-O O-O 9. Nc3 e5 10. d5 Nh5 11. Bg5) 5. Ba6?? { (2.00 → -3.95) Blunder. Best move was dxe5. } (5. dxe5) 5... e4?! { (-3.95 → -3.44) Inaccuracy. Best move was Nxa6. } (5... Nxa6) 6. O-O? { (-3.44 → -5.82) Mistake. Best move was Bd3. } (6. Bd3 d5) 6... Nxa6 7. Ne5? { (-5.15 → -6.20) Mistake. Best move was Ne1. } (7. Ne1) 7... d5? { (-6.20 → -4.18) Mistake. Best move was d6. } (7... d6 8. Nc4) 8. Nxf7?? { (-4.18 → -8.80) Blunder. Best move was c4. } (8. c4 Bd6 9. Nc3 Nf6 10. f3 exf3 11. Qxf3 O-O 12. cxd5 cxd5 13. Be1 Nb4 14. Bh4 Be7) 8... Kxf7 9. f3?! { (-8.32 → -8.83) Inaccuracy. Best move was Qe2. } (9. Qe2 Be6 10. Nc3 Nf6 11. f3 exf3 12. gxf3 Nc7 13. Rfc1 Bh3 14. Be1 Ne6 15. Rab1 Bf5) 9... Bd6?? { (-8.83 → -5.78) Blunder. Best move was exf3. } (9... exf3 10. gxf3 Nf6 11. Nc3 Bf5 12. a3 Kg8 13. Ne2 Bd6 14. Rf2 Qe7 15. Nc1 Nc7 16. Nd3) 10. fxe4+ Nf6?? { (-5.99 → -2.94) Blunder. Best move was Ke8. } (10... Ke8) 11. e5 Bxe5?? { (-3.41 → 2.69) Blunder. Best move was Rf8. } (11... Rf8 12. exf6) 12. dxe5 Bg4?? { (1.88 → 7.68) Blunder. Best move was h5. } (12... h5 13. Bc3) 13. exf6?? { (7.68 → -8.81) Blunder. Best move was Qxg4. } (13. Qxg4) 13... Bxd1 14. fxg7+ Kxg7 15. Bc3+? { (-8.89 → -10.68) Mistake. Best move was Rxd1. } (15. Rxd1 Rf8) 15... Kg6? { (-10.68 → -8.72) Mistake. Best move was d4. } (15... d4) 16. Bf6? { (-8.72 → -11.89) Mistake. Best move was Rxd1. } (16. Rxd1) 16... Qd6? { (-11.89 → -8.60) Mistake. Best move was Qe8. } (16... Qe8) 17. Bh4? { (-8.60 → -13.30) Mistake. Best move was Bxh8. } (17. Bxh8 Rxh8 18. Rxd1 Nb4 19. Rc1 d4 20. a3 Qe7 21. e4 Qxe4 22. Nd2 Qe3+ 23. Kh1 Qxd2) 17... Qc5 18. Bg3 Qxe3+ 19. Kh1 Qe2 20. Nc3?! { (-14.93 → Mate in 1) Checkmate is now unavoidable. Best move was Nd2. } (20. Nd2 Qxd2 21. Rfxd1 Qxc2 22. b3 Rhe8 23. Rd4 Qb2 24. Rg4+ Kh5 25. Rh4+ Kg5 26. Rf1 Rf8) 20... Qxf1# { Black wins by checkmate. } 0-1