lichess dev

[Event "UltraBullet Shield Arena"] [Site "http://chess-academy.net/Usl1Q8CM"] [Date "2024.10.13"] [Round "-"] [White "sliw"] [Black "Sudzha"] [Result "0-1"] [UTCDate "2024.10.13"] [UTCTime "13:38:06"] [WhiteElo "1432"] [BlackElo "1933"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "15+0"] [ECO "B00"] [Opening "Owen Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 b6?! { (0.12 → 0.84) Inaccuracy. Best move was e6. } { B00 Owen Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Be2? { (0.84 → -0.20) Mistake. Best move was d4. } (2. d4 Bb7 3. Bd3 Nf6 4. Nc3 e6 5. Nge2 d5 6. exd5 Nxd5) 2... Bb7 3. Nf3? { (0.44 → -0.90) Mistake. Best move was d3. } (3. d3 e6 4. c4 Nf6 5. Nc3 Bb4 6. Bf3 Bxc3+ 7. bxc3 e5 8. Ne2 O-O 9. O-O c5) 3... Bxe4 4. O-O?! { (-0.55 → -1.08) Inaccuracy. Best move was d4. } (4. d4 Bb7 5. c4 e6 6. O-O Nf6 7. Nc3 Bb4 8. Ne5 O-O 9. Bf3 c6 10. Re1 d6) 4... Bxf3? { (-1.08 → 0.26) Mistake. Best move was Nf6. } (4... Nf6 5. c4) 5. d3?? { (0.26 → -5.94) Blunder. Best move was Bxf3. } (5. Bxf3 Nc6) 5... Bxe2 6. Qxe2 Nc6 7. Qd1?! { (-5.61 → -6.16) Inaccuracy. Best move was c3. } (7. c3 e6) 7... Nf6 8. f3?! { (-5.78 → -6.64) Inaccuracy. Best move was Bg5. } (8. Bg5 e6 9. Nd2 h6 10. Bh4 d5 11. c3 Qd7 12. Bxf6 gxf6 13. d4 Bd6 14. Re1 O-O-O) 8... e6 9. f4?! { (-6.23 → -7.09) Inaccuracy. Best move was c3. } (9. c3 h6 10. Be3 d5 11. Bf2 Bd6 12. Na3 Bxa3 13. bxa3 O-O 14. c4 Re8 15. Rc1 e5) 9... Be7?! { (-7.09 → -6.24) Inaccuracy. Best move was Bc5+. } (9... Bc5+) 10. g3?! { (-6.24 → -7.09) Inaccuracy. Best move was Be3. } (10. Be3) 10... O-O?! { (-7.09 → -6.23) Inaccuracy. Best move was Bc5+. } (10... Bc5+ 11. Kg2 Nd4 12. Nc3 d5 13. Na4 h5 14. Nxc5 bxc5 15. Be3 Rb8 16. Bxd4 cxd4 17. h3) 11. g4?! { (-6.23 → -7.16) Inaccuracy. Best move was Be3. } (11. Be3 d5 12. Nd2 Bd6 13. Nf3 Ne7 14. Bd4 Nf5 15. Qd2 Nxd4 16. Nxd4 c5 17. Nf3 b5) 11... Bc5+?! { (-7.16 → -6.39) Inaccuracy. Best move was g6. } (11... g6) 12. Rf2? { (-6.39 → -9.32) Mistake. Best move was Kg2. } (12. Kg2 h5) 12... Nxg4? { (-9.32 → -6.42) Mistake. Best move was Nd5. } (12... Nd5 13. Qf3 Qh4 14. Qg3 Qxg3+ 15. hxg3 Nf6 16. Kf1 Bxf2 17. Kxf2 Nxg4+ 18. Kg1 Nb4 19. Na3) 13. Qf3?? { (-6.42 → -16.66) Blunder. Best move was Qxg4. } (13. Qxg4) 13... Nxf2 14. Qxf2 Bxf2+ 15. Kxf2 Qe7 16. Ke2 Qf6 17. Kd2 e5 18. Kc3 exf4+ 19. d4?! { (-34.04 → Mate in 2) Checkmate is now unavoidable. Best move was Kb3. } (19. Kb3 Nd4+) 19... f3?! { (Mate in 2 → -35.00) Lost forced checkmate sequence. Best move was Qxd4+. } (19... Qxd4+ 20. Kb3 Qb4#) 20. Kd2?! { (-35.00 → Mate in 4) Checkmate is now unavoidable. Best move was Be3. } (20. Be3) 20... f2?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qxd4+. } (20... Qxd4+ 21. Ke1 Rae8+ 22. Kf1 Re2 23. h4 Qd1#) 21. Ke2 f1=Q+ 22. Kd2 Q6f4+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qxd4#. } (22... Qxd4#) 23. Kc3 Q4xc1?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Qxd4+. } (23... Qxd4+ 24. Kb3 Qb4#) 24. Kb3 Qxb1?! { (Mate in 2 → Mate in 6) Not the best checkmate sequence. Best move was Qb5+. } (24... Qb5+ 25. Kc3 Qe3#) 25. c3 Qxa1?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qb5+. } (25... Qb5+ 26. Ka3 Q1xb2#) 26. Ka3 Qfd1?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qa6+. } { White resigns. } (26... Qa6+ 27. Kb3 Qd1#) 0-1