lichess dev

[Event "Monthly Classical Inc Arena"] [Site "http://chess-academy.net/T7fMAf1y"] [Date "2022.12.30"] [Round "-"] [White "DGTU"] [Black "Lord-axe"] [Result "1-0"] [UTCDate "2022.12.30"] [UTCTime "17:31:18"] [WhiteElo "1888"] [BlackElo "1619"] [WhiteRatingDiff "+39"] [BlackRatingDiff "-33"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "A40"] [Opening "Queen's Pawn"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 { A40 Queen's Pawn } a6?! { (0.15 → 0.87) Inaccuracy. Best move was d5. } (1... d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3) 2. d5? { (0.87 → -0.48) Mistake. Best move was e4. } (2. e4 e6 3. Bd3 d5 4. e5 c5 5. c3 Nc6 6. Nf3 Nge7 7. O-O Nf5 8. dxc5 Bxc5) 2... a5? { (-0.48 → 0.91) Mistake. Best move was Nf6. } (2... Nf6 3. c4 e6 4. e3 c6 5. Nc3 cxd5 6. cxd5 Bb4 7. dxe6 fxe6 8. Nf3 d5 9. a3) 3. d6? { (0.91 → -0.48) Mistake. Best move was e4. } (3. e4 e6 4. Nc3 Bb4 5. dxe6 dxe6 6. Qxd8+ Kxd8 7. Bd2 Nf6 8. Be2 Ke7 9. f4 Nc6) 3... h6?! { (-0.48 → 0.34) Inaccuracy. Best move was Nf6. } (3... Nf6 4. Nc3) 4. Bf4?! { (0.34 → -0.44) Inaccuracy. Best move was dxc7. } (4. dxc7 Qxc7) 4... h5?? { (-0.44 → 14.05) Blunder. Best move was exd6. } (4... exd6 5. e4) 5. dxc7 f6 6. cxd8=Q+ Kf7 7. Qxc8 d6?! { (39.62 → Mate in 3) Checkmate is now unavoidable. Best move was Nh6. } (7... Nh6 8. Bxb8) 8. Qxb8?! { (Mate in 3 → 24.60) Lost forced checkmate sequence. Best move was Qd5+. } (8. Qd5+ e6 9. Qcxe6+ Kg6 10. Qef5#) 8... d5?! { (24.60 → Mate in 10) Checkmate is now unavoidable. Best move was Rxb8. } (8... Rxb8 9. Qd5+) 9. Qxa8?! { (Mate in 10 → 46.56) Lost forced checkmate sequence. Best move was Qxd5+. } (9. Qxd5+ e6 10. Qd7+ Ne7 11. Qde8+ Kg8 12. Qxf8+ Kh7 13. Qxh8+ Kg6 14. Qhe8+ Kf5 15. e4+ Kxe4) 9... e6 10. Qxb7+ Kg6?! { (45.05 → Mate in 5) Checkmate is now unavoidable. Best move was Ne7. } (10... Ne7 11. Bd2) 11. Qf7+?! { (Mate in 5 → 30.49) Lost forced checkmate sequence. Best move was Qd3+. } (11. Qd3+ f5 12. Qg3+ Kh7 13. Qf7 Bb4+ 14. Kd1 Nh6 15. Qfxg7#) 11... Kf5?! { (30.49 → Mate in 4) Checkmate is now unavoidable. Best move was Kxf7. } (11... Kxf7 12. Bc7) 12. Qxf8?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qd3+. } (12. Qd3+ Kxf4 13. g3+ Ke5 14. Qc7+ Bd6 15. Nf3#) 12... Kg4 13. Qxg7+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was e3+. } (13. e3+ Kh4 14. g3#) 13... Kf5 14. Qxh8?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Qd3+. } (14. Qd3+ Kxf4 15. Qgg3#) 14... Ke4 15. Qxg8 Kf5 16. Qxe6+?! { (Mate in 2 → Mate in 6) Not the best checkmate sequence. Best move was Qd3+. } (16. Qd3+ Kxf4 17. Qgg3#) 16... Kg6 17. Qexd5?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qdxd5. } (17. Qdxd5 h4 18. Qg8#) 17... Kg7 18. Qxh5 Kf8 19. Qxa5?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qd8+. } (19. Qd8+ Kg7 20. Qdh8#) 19... Ke7 20. Qc7+ Ke6 21. Qdd6+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qcd7#. } (21. Qcd7#) 21... Kf5 22. Qd5+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qd3+. } (22. Qd3+ Kg4 23. Qh3#) 22... Kg6 23. Qcf7# { White wins by checkmate. } 1-0