lichess dev

[Event "Ariadna Arena"] [Site "http://chess-academy.net/EKxR2UC4"] [Date "2025.02.24"] [Round "-"] [White "Alex_Alex"] [Black "Katherina"] [Result "1-0"] [UTCDate "2025.02.24"] [UTCTime "16:27:42"] [WhiteElo "1643"] [BlackElo "1416"] [WhiteRatingDiff "+12"] [BlackRatingDiff "-14"] [Variant "Crazyhouse"] [TimeControl "420+0"] [ECO "?"] [Opening "?"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Nc6? { (0.17 → 2.16) Mistake. Best move was e5. } (1... e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 O-O 6. Nc3) 2. Nc3? { (2.16 → 1.05) Mistake. Best move was d4. } (2. d4 Nf6) 2... Nd4? { (1.05 → 2.63) Mistake. Best move was e5. } (2... e5 3. Nf3) 3. f3?? { (2.63 → -2.94) Blunder. Best move was Bc4. } (3. Bc4 e6) 3... d6?? { (-2.94 → 1.55) Blunder. Best move was e5. } (3... e5) 4. d3?? { (1.55 → -3.19) Blunder. Best move was Nge2. } (4. Nge2 e5) 4... Be6?? { (-3.19 → 3.21) Blunder. Best move was e5. } (4... e5) 5. Be3?! { (3.21 → 2.52) Inaccuracy. Best move was Nge2. } (5. Nge2 Nc6) 5... Nc6 6. f4? { (3.02 → 0.95) Mistake. Best move was d4. } (6. d4) 6... Qd7?? { (0.95 → 4.05) Blunder. Best move was Bd7. } (6... Bd7 7. Nf3 Nf6 8. Be2 e5 9. O-O Be7 10. f5 O-O 11. Rb1 a6 12. Qe1 Nb4 13. Qc1) 7. f5?? { (4.05 → -1.12) Blunder. Best move was d4. } (7. d4 d5 8. exd5 Bxd5 9. P@c4 e6 10. cxd5 exd5 11. B@h3 P@e6 12. Bb5 Nf6 13. Nf3 P@g4) 7... Bxf5 8. exf5 Qxf5?? { (-2.00 → 2.81) Blunder. Best move was P@d4. } (8... P@d4) 9. Qf3 Qa5?? { (1.10 → 10.73) Blunder. Best move was e6. } (9... e6) 10. B@d5 Ne5? { (8.95 → 14.22) Mistake. Best move was Qxd5. } (10... Qxd5 11. Nxd5) 11. d4?? { (14.22 → 2.36) Blunder. Best move was Bxf7+. } (11. Bxf7+ Nxf7) 11... Nxf3+ 12. gxf3?? { (3.82 → -8.04) Blunder. Best move was Nxf3. } (12. Nxf3 Q@b4 13. Bxf7+ Kxf7 14. Bd3 Nf6 15. O-O Kg8 16. P@f7+ Kxf7 17. Ng5+ Ke8 18. N@b3 Qxg5) 12... P@b4?? { (-8.04 → -0.13) Blunder. Best move was Q@b4. } (12... Q@b4) 13. Ne4?? { (-0.13 → -13.26) Blunder. Best move was N@c4. } (13. N@c4 P@d2+ 14. Ke2 Qa6 15. Bxf7+ Kxf7 16. P@b5 bxc3 17. bxa6 cxb2 18. Nxb2 Q@e6 19. P@e4 Nf6) 13... Qxd5 14. c3 bxc3 15. bxc3 O-O-O 16. Bh3+ e6 17. f4 B@h4+ 18. Bf2?! { (-39.51 → Mate in 5) Checkmate is now unavoidable. Best move was Ng3. } (18. Ng3 Qxh1) 18... Bxf2+?! { (Mate in 5 → -39.46) Lost forced checkmate sequence. Best move was Qxe4+. } (18... Qxe4+ 19. P@e2 P@d2+ 20. Kxd2 P@e3+ 21. Ke1 exf2+ 22. Kf1 N@d2#) 19. Kxf2?! { (-39.46 → Mate in 8) Checkmate is now unavoidable. Best move was Nxf2. } (19. Nxf2 Q@e3+) 19... Qxe4 20. Bg2 Qxf4+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Q@e3+. } (20... Q@e3+ 21. Kf1 N@d2#) 21. Nf3 Qh6?! { (Mate in 2 → Mate in 9) Not the best checkmate sequence. Best move was Q@e3+. } (21... Q@e3+ 22. Kf1 N@d2#) 22. B@g5 Q@c2+ 23. Kg1 Qd3?! { (Mate in 3 → -65.57) Lost forced checkmate sequence. Best move was P@f2+. } (23... P@f2+ 24. Kf1 B@d3+ 25. N@e2 Qxe2#) 24. Bxh6?! { (-65.57 → Mate in 3) Checkmate is now unavoidable. Best move was N@f2. } (24. N@f2 B@e3) 24... gxh6?! { (Mate in 3 → -17.95) Lost forced checkmate sequence. Best move was P@f2+. } (24... P@f2+ 25. Kxf2 N@e4+ 26. Kg1 P@f2#) 25. P@c6?! { (-17.95 → Mate in 3) Checkmate is now unavoidable. Best move was Q@a8+. } (25. Q@a8+ N@b8) 25... bxc6?! { (Mate in 3 → Mate in 10) Not the best checkmate sequence. Best move was P@f2+. } (25... P@f2+ 26. Kxf2 N@e4+ 27. Ke1 P@f2#) 26. Q@a8+ B@b8 27. Qxc6 Qe3+?! { (Mate in 4 → -22.51) Lost forced checkmate sequence. Best move was P@f2+. } (27... P@f2+ 28. Kxf2 B@h4+ 29. Nxh4 N@g4+ 30. Kg1 P@f2#) 28. N@f2 P@d2?? { (-25.58 → Mate in 1) Checkmate is now unavoidable. Best move was P@b7. } (28... P@b7) 29. P@b7# { White wins by checkmate. } 1-0