lichess dev

[Event "Lasker Arena"] [Site "http://chess-academy.net/eeOckPDQ"] [Date "2025.11.25"] [Round "-"] [White "mattias2"] [Black "DavidP"] [Result "1-0"] [UTCDate "2025.11.25"] [UTCTime "17:31:42"] [WhiteElo "1454"] [BlackElo "1019"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-9"] [Variant "Standard"] [TimeControl "420+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. Qh5? { (0.84 → -0.77) Mistake. Best move was d4. } (2. d4 Bb7 3. Bd3 Nf6 4. Nc3 e6 5. Nge2 d5 6. exd5 Nxd5) 2... g6? { (-0.77 → 0.29) Mistake. Best move was Bb7. } (2... Bb7 3. Nc3 c5 4. Qd1 e6 5. Nf3 Nf6 6. e5 Nd5 7. Nxd5 Bxd5 8. Be2 Nc6 9. O-O) 3. Qf5?? { (0.29 → -13.65) Blunder. Best move was Qd1. } (3. Qd1) 3... e5?? { (-13.65 → 7.87) Blunder. Best move was gxf5. } (3... gxf5 4. exf5 Nh6 5. Nf3 Nxf5 6. d4 Bg7 7. c3 O-O 8. Na3 c5 9. Nc2 d6 10. Bd3) 4. Qxe5+ Qe7 5. Qxc7?? { (7.74 → 1.00) Blunder. Best move was Qxh8. } (5. Qxh8 Nf6 6. Nf3 Nxe4 7. Be2 Bb7 8. d3 Qf6 9. Qxh7 Nc5 10. Nc3 Ne6 11. O-O Nc6) 5... Bb7?? { (1.00 → 13.99) Blunder. Best move was Qxe4+. } (5... Qxe4+ 6. Kd1 Nc6 7. Nc3 Qe6 8. Nge2 Bd6 9. Nb5 Bxc7 10. Nxc7+ Ke7 11. Nxe6 fxe6 12. b3) 6. Qxb7 Qxe4+ 7. Qxe4+ Kd8 8. Qxa8 Ke7 9. Qxb8 Kf6 10. Qxa7 Ne7 11. Qxb6+ Kf5?! { (35.90 → Mate in 4) Checkmate is now unavoidable. Best move was Nc6. } (11... Nc6 12. Qc7 Bc5 13. d4 Re8+ 14. Kd1 Bxd4 15. Qxd7 Re6 16. Bc4 Bxf2 17. Bxe6 Ne5 18. Qd2) 12. Qc7?! { (Mate in 4 → 41.32) Lost forced checkmate sequence. Best move was g4+. } (12. g4+ Kxg4 13. Qf6 g5 14. Qf3+ Kh4 15. Qh3#) 12... Kg4?! { (41.32 → Mate in 4) Checkmate is now unavoidable. Best move was Nc6. } (12... Nc6) 13. Qxd7+?! { (Mate in 4 → Mate in 6) Not the best checkmate sequence. Best move was Qe5. } (13. Qe5 f5 14. Be2+ Kg5 15. d3+ Kh4 16. g3#) 13... Kg5 14. Qd4?! { (Mate in 5 → Mate in 10) Not the best checkmate sequence. Best move was Qd6. } (14. Qd6 Kh6 15. Qf6 Nf5 16. d3+ Ne3 17. Bxe3+ Kh5 18. Be2#) 14... Nf5 15. Qxh8?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was d3+. } (15. d3+ Ne3 16. Qe5+ f5 17. Bxe3+ Kh4 18. Qf6+ g5 19. Qxg5#) 15... Bh6 16. Qxh7?! { (Mate in 4 → 47.51) Lost forced checkmate sequence. Best move was Qe5. } (16. Qe5 Kh4 17. g3+ Nxg3 18. fxg3+ Kg4 19. h3#) 16... Kg4?! { (47.51 → Mate in 5) Checkmate is now unavoidable. Best move was Kf6. } (16... Kf6 17. g4) 17. Qxf7?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Nf3. } (17. Nf3 Kh5 18. h3 Ne3 19. dxe3 f5 20. Qe7 Bxe3 21. Qh4#) 17... Bf4 18. Qxg6+ Kh4 19. Qxf5?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Nf3#. } (19. Nf3#) 19... Bg5 20. d4?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qh3#. } (20. Qh3#) 20... Bh6 21. d5?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Nf3#. } (21. Nf3#) 21... Bf4 22. Qxf4+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Nf3#. } (22. Nf3#) 22... Kh5 23. d6?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qg5#. } (23. Qg5#) 23... Kg6 24. d7?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Bc4. } (24. Bc4 Kh7 25. Qh6#) 24... Kg7 25. d8=Q?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Bc4. } (25. Bc4 Kg6 26. Qf7#) 25... Kh7 26. Qfc7+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qh6#. } (26. Qh6#) 26... Kg6 27. Qdd6+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qg5#. } (27. Qg5#) 27... Kh5 28. Qcc5+ Kh4 29. g3+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qg3#. } (29. Qg3#) 29... Kg4 30. Qdd4# { White wins by checkmate. } 1-0