lichess dev

[Event "Ariadna Arena"] [Site "http://chess-academy.net/buaINpZP"] [Date "2025.02.22"] [Round "-"] [White "Katherina"] [Black "Alex_Alex"] [Result "0-1"] [UTCDate "2025.02.22"] [UTCTime "12:48:59"] [WhiteElo "1455"] [BlackElo "1500"] [WhiteRatingDiff "-40"] [BlackRatingDiff "+155"] [Variant "Crazyhouse"] [TimeControl "420+0"] [ECO "?"] [Opening "?"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. Nf3 e5?? { (0.53 → 3.90) Blunder. Best move was d5. } (1... d5 2. d4 Bf5 3. Bf4 Nf6 4. e3 e6 5. Be2 Bd6 6. Ne5) 2. Nxe5 d6?? { (2.89 → 6.27) Blunder. Best move was Nf6. } (2... Nf6 3. e3 d5 4. d4 Bd6 5. Bd2 O-O 6. Bd3 c5 7. Nc3 cxd4 8. exd4 P@e4 9. Be2) 3. Nd3?? { (6.27 → 2.39) Blunder. Best move was Nxf7. } (3. Nxf7 Kxf7 4. Nc3 d5 5. e4 Nf6 6. exd5 Qe8+ 7. P@e4 Bd6 8. P@e6+ Bxe6 9. dxe6+ Qxe6) 3... c5? { (2.39 → 3.44) Mistake. Best move was Nf6. } (3... Nf6 4. e3) 4. e4 c4?? { (3.29 → 9.33) Blunder. Best move was Nf6. } (4... Nf6 5. Nf4) 5. Nb4? { (9.33 → 6.73) Mistake. Best move was Nf4. } (5. Nf4 Nc6 6. Bxc4 Be7 7. Nc3 Nh6 8. Ncd5 Ng4 9. P@c7 Qd7 10. P@f5 Nge5 11. d3 Nxc4) 5... Qa5?? { (6.73 → 11.32) Blunder. Best move was Nf6. } (5... Nf6 6. Nc3) 6. a3? { (11.32 → 8.38) Mistake. Best move was Nd5. } (6. Nd5 Nc6 7. Bxc4 Be7 8. O-O Nf6 9. Nbc3 O-O 10. d4 Be6 11. Nxe7+ Nxe7 12. P@d5 Qc7) 6... Qe5? { (8.38 → 12.16) Mistake. Best move was Nc6. } (6... Nc6 7. Nc3) 7. Qf3? { (12.16 → 8.40) Mistake. Best move was Nc3. } (7. Nc3) 7... a5? { (8.40 → 13.32) Mistake. Best move was Nf6. } (7... Nf6 8. Nc3) 8. Na2?? { (13.32 → 4.36) Blunder. Best move was Bxc4. } (8. Bxc4) 8... Nf6? { (4.36 → 6.07) Mistake. Best move was d5. } (8... d5 9. Nbc3) 9. P@c7?? { (6.07 → -3.17) Blunder. Best move was Nbc3. } (9. Nbc3) 9... Nxe4?? { (-3.17 → 9.07) Blunder. Best move was Nc6. } (9... Nc6 10. Bxc4 d5 11. P@f4 Qe7 12. Bb5 dxe4 13. Qg3 Qxc7 14. d4 Bd7 15. Be3 P@b4 16. Be2) 10. cxb8=B? { (9.07 → 7.12) Mistake. Best move was cxb8=R. } (10. cxb8=R) 10... Rxb8? { (7.12 → 8.80) Mistake. Best move was Nxf2+. } (10... Nxf2+ 11. Kxf2) 11. Be2?? { (8.80 → 3.02) Blunder. Best move was Bxc4. } (11. Bxc4) 11... h6?? { (3.02 → 11.68) Blunder. Best move was Be7. } (11... Be7 12. d4) 12. Qh5?? { (11.68 → -0.07) Blunder. Best move was N@c7+. } (12. N@c7+) 12... Qxh5 13. Bxh5 P@e2?? { (0.87 → Mate in 6) Checkmate is now unavoidable. Best move was Q@h4. } (13... Q@h4 14. Nbc3) 14. Kxe2?? { (Mate in 6 → 1.75) Lost forced checkmate sequence. Best move was Bxf7+. } (14. Bxf7+ Ke7 15. Q@e8+ Kf6 16. N@h5+ Kf5 17. Bg6+ Kg4 18. Qxe4+ Kg5 19. h4#) 14... Be6?? { (1.75 → 11.90) Blunder. Best move was Q@h4. } (14... Q@h4 15. Q@f3) 15. N@c7+ Kd7 16. Nxe6 Kxe6? { (8.11 → 27.09) Mistake. Best move was fxe6. } (16... fxe6 17. P@a7) 17. Bg4+ f5?! { (19.23 → Mate in 7) Checkmate is now unavoidable. Best move was P@f5. } (17... P@f5 18. Bxf5+) 18. Q@g6+?! { (Mate in 7 → 12.09) Lost forced checkmate sequence. Best move was Bxf5+. } (18. Bxf5+ Kxf5 19. B@g4+ Kxg4 20. Q@g6+ N@g5 21. P@f3+ Kf4 22. d4+ B@d2 23. Bxd2+ Nxd2 24. g3#) 18... Ke7 19. Qxf5 N@d4+ 20. Kf1?? { (12.82 → -5.42) Blunder. Best move was Ke1. } (20. Ke1 Nxf5) 20... Nxf5 21. Bxf5?? { (-3.14 → Mate in 3) Checkmate is now unavoidable. Best move was Nbc3. } (21. Nbc3) 21... Nxf2?? { (Mate in 3 → Mate in 4) Lost forced checkmate sequence. Best move was Q@d1+. } (21... Q@d1+ 22. N@e1 Q@e2+ 23. Kg1 Qxf2#) 22. Kxf2?? { (Mate in 4 → 1.68) Lost forced checkmate sequence. Best move was N@d5+. } (22. N@d5+ Kd8 23. P@c7+ Ke8 24. P@d7+ Kf7 25. B@e6#) 22... Q@f4+ 23. P@f3 Qxf5 24. g4?? { (4.38 → -17.63) Blunder. Best move was Nbc3. } (24. Nbc3 P@h3 25. N@f4 B@b6+ 26. P@e3 hxg2 27. Rg1 Q@h4+ 28. B@g3 Qhxf4 29. N@d5+ Kd8 30. Nxf4 N@g5) 24... Qc5+?? { (-17.63 → 1.67) Blunder. Best move was B@b6+. } (24... B@b6+ 25. P@e3 P@g2 26. B@g5+ Qxg5 27. Rg1 B@h4+ 28. Kxg2 Q@f2+ 29. Kh1 P@g2+ 30. Rxg2 Qxf3 31. N@g1) 25. d4?? { (1.67 → Mate in 10) Checkmate is now unavoidable. Best move was B@e3. } (25. B@e3) 25... Qxd4+?? { (Mate in 10 → 0.68) Lost forced checkmate sequence. Best move was cxd3+. } (25... cxd3+ 26. N@e3 Q@e2+ 27. Kg3 P@f4+ 28. Kh3 Qxf3+ 29. P@g3 fxe3 30. N@g6+ Kf6 31. B@e7+ Bxe7 32. Bxe3) 26. Kg3?? { (0.68 → Mate in 2) Checkmate is now unavoidable. Best move was B@e3. } (26. B@e3 P@g2 27. N@f5+ Kf7 28. P@g6+ Kxg6 29. Nh4+ Kh7 30. Nxg2 Qf6 31. N@e4 Qe5 32. P@g6+ Kg8) 26... Kd8?? { (Mate in 2 → 21.97) Lost forced checkmate sequence. Best move was Q@f2+. } (26... Q@f2+ 27. Kh3 B@g2#) 27. N@e6+ Kc8 28. Nxd4 P@h4+ 29. Kxh4?? { (39.19 → Mate in 5) Checkmate is now unavoidable. Best move was Kh3. } (29. Kh3 Q@d7 30. N@b6+ Kd8 31. Nxd7 Rc8 32. P@c7+ Rxc7 33. Q@b8+ Rc8 34. Q@c7+ Ke7 35. Qxd6+ Ke8) 29... B@f6+?? { (Mate in 5 → 30.37) Lost forced checkmate sequence. Best move was P@g5+. } (29... P@g5+ 30. Bxg5 hxg5+ 31. Kg3 Q@h4+ 32. Kg2 B@h3+ 33. Kg1 P@f2#) 30. Kh5?? { (30.37 → Mate in 3) Checkmate is now unavoidable. Best move was Kh3. } (30. Kh3) 30... Bxd4?? { (Mate in 3 → Mate in 3) Lost forced checkmate sequence. Best move was P@g6+. } (30... P@g6+ 31. Kxg6 P@h7+ 32. Kf7 Q@e7#) 31. Rd1?? { (Mate in 3 → Mate in 5) Lost forced checkmate sequence. Best move was Q@e8+. } (31. Q@e8+ Q@d8 32. B@d7+ Kc7 33. N@d5#) 31... P@g6+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was g6+. } (31... g6+ 32. Kh4 g5+ 33. Kh3 Q@h4+ 34. Kg2 P@h3+ 35. Kf1 Qf2#) 32. Kxg6 Q@f6+ 33. Kh5 P@g6# { Black wins by checkmate. } 0-1