lichess dev

[Event "Lasker Arena"] [Site "http://chess-academy.net/N1By3kNj"] [Date "2024.11.13"] [Round "-"] [White "Ariadna"] [Black "tristan7"] [Result "0-1"] [UTCDate "2024.11.13"] [UTCTime "14:38:39"] [WhiteElo "1500"] [BlackElo "1500"] [WhiteRatingDiff "-163"] [BlackRatingDiff "+162"] [Variant "Crazyhouse"] [TimeControl "600+0"] [ECO "?"] [Opening "?"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bc4 Bc5? { (0.94 → 3.25) Mistake. Best move was Nc6. } (2... Nc6 3. Nf3 Bc5 4. Nc3 Nf6 5. d3 O-O 6. O-O d6 7. Bg5) 3. Qf3?? { (3.25 → -1.60) Blunder. Best move was Qh5. } (3. Qh5) 3... Nf6 4. d3 Nc6 5. Bxf7+? { (-2.23 → -3.89) Mistake. Best move was Ne2. } (5. Ne2 Nb4) 5... Kxf7 6. Bg5?? { (-2.73 → -7.60) Blunder. Best move was P@g5. } (6. P@g5 Nd4) 6... Nd4 7. Bxf6?? { (-6.32 → -15.05) Blunder. Best move was Qd1. } (7. Qd1) 7... gxf6?? { (-15.05 → -6.39) Blunder. Best move was Nxf3+. } (7... Nxf3+ 8. Nxf3) 8. Qh5+?? { (-6.39 → -11.78) Blunder. Best move was Qd1. } (8. Qd1) 8... Kf8?? { (-11.78 → -4.61) Blunder. Best move was B@g6. } (8... B@g6 9. Qd1) 9. Nc3?? { (-4.61 → -14.87) Blunder. Best move was N@g6+. } (9. N@g6+ hxg6) 9... Nxc2+ 10. Kd2 Nxa1 11. d4 Bxd4 12. Nd5 c6?? { (-32.47 → 0.00) Blunder. Best move was B@g5+. } (12... B@g5+) 13. N@h6?? { (0.00 → -39.24) Blunder. Best move was P@g7+. } (13. P@g7+ Kxg7 14. N@f5+ Kg8 15. Nde7+ Kf8 16. Ng6+ Kg8) 13... Kg7?? { (-39.24 → Mate in 5) Checkmate is now unavoidable. Best move was B@g6. } (13... B@g6 14. Qd1 cxd5 15. Nf5 B@a5+ 16. P@c3 dxe4 17. Qxa1 N@c4+ 18. Ke2 R@d2+ 19. Ke1 Bxf2+ 20. Kf1) 14. Nf7?? { (Mate in 5 → Mate in 10) Lost forced checkmate sequence. Best move was Nf5+. } (14. Nf5+ Kf8 15. P@g7+ Kg8 16. Nde7+ Qxe7 17. Nxe7+ Kxg7 18. Q@h6#) 14... Qa5+ 15. b4?! { (-42.15 → Mate in 4) Checkmate is now unavoidable. Best move was P@b4. } (15. P@b4 P@c3+) 15... Qxa2+ 16. P@c2 Qxc2+ 17. Ke1 Bc3+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Bxf2+. } (17... Bxf2+ 18. Kf1 R@e1#) 18. Nxc3 Qxc3+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was P@d2+. } (18... P@d2+ 19. Ke2 d1=Q+ 20. Ke3 Qcd2#) 19. Ke2 Rf8?! { (Mate in 1 → Mate in 16) Not the best checkmate sequence. Best move was R@e1#. } (19... R@e1#) 20. Nd6 Nc2?! { (Mate in 1 → -50.85) Lost forced checkmate sequence. Best move was R@e1#. } (20... R@e1#) 21. f3?! { (-50.85 → Mate in 2) Checkmate is now unavoidable. Best move was Ne8+. } (21. Ne8+ Kg8) 21... Qe3+ 22. Kd1 Qd3+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was R@c1#. } (22... R@c1#) 23. Kc1 R@e1+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was R@a1+. } (23... R@a1+ 24. Kb2 P@a3#) 24. Kb2 Nxb4?! { (Mate in 2 → Mate in 18) Not the best checkmate sequence. Best move was B@a1+. } (24... B@a1+ 25. Ka2 Nxb4#) 25. Nf5+ Kh8 26. B@g7+ Kg8 27. Bxf8 Qc2+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was P@a3#. } (27... P@a3#) 28. Ka3 Qc3+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was N@c4+. } (28... N@c4+ 29. Kxb4 B@a3#) 29. Ka4 b5+ 30. Ka5 Qa3+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was P@b6#. } (30... P@b6#) 31. R@a4 Qxa4# { Black wins by checkmate. } 0-1