lichess dev

[Event "Academie22 Arena"] [Site "http://chess-academy.net/EZ2Fj1cl"] [Date "2025.09.01"] [Round "-"] [White "Contautomat2002"] [Black "Damian2"] [Result "1-0"] [UTCDate "2025.09.01"] [UTCTime "15:37:34"] [WhiteElo "1568"] [BlackElo "1704"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-175"] [Variant "Standard"] [TimeControl "900+0"] [ECO "B00"] [Opening "Hippopotamus Defense #2"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Nh6? { (0.12 → 1.54) Mistake. Best move was e6. } { B00 Hippopotamus Defense #2 } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Nf3?! { (1.54 → 0.66) Inaccuracy. Best move was d4. } (2. d4) 2... Ng4? { (0.66 → 1.97) Mistake. Best move was c5. } (2... c5) 3. d3? { (1.97 → 0.83) Mistake. Best move was h3. } (3. h3 Nf6) 3... c6 4. Nc3?! { (1.30 → 0.77) Inaccuracy. Best move was h3. } (4. h3 Nf6 5. e5 Nd5 6. d4 d6 7. c4 Nc7 8. Nc3 dxe5 9. Nxe5 g6 10. h4 Nd7) 4... Qb6? { (0.77 → 1.82) Mistake. Best move was d6. } (4... d6) 5. h3?? { (1.82 → Mate in 1) Checkmate is now unavoidable. Best move was d4. } (5. d4 d6 6. Bc4 e6 7. O-O Qc7 8. Bf4 b5 9. Bb3 Nd7 10. Re1 b4 11. Ne2 Be7) 5... Nxf2?? { (Mate in 1 → -0.97) Lost forced checkmate sequence. Best move was Qxf2#. } (5... Qxf2#) 6. Qe2?? { (-0.97 → -7.66) Blunder. Best move was Na4. } (6. Na4 Nxd1 7. Nxb6 axb6 8. Kxd1 d6 9. d4 g6 10. Bd3 Bg7 11. c3 b5 12. Kc2 Nd7) 6... Nxh1 7. Be3?? { (-6.83 → -13.15) Blunder. Best move was a4. } (7. a4) 7... Ng3? { (-13.15 → -7.63) Mistake. Best move was Qxb2. } (7... Qxb2) 8. Qf2? { (-7.63 → -10.11) Mistake. Best move was Bxb6. } (8. Bxb6 Nxe2 9. Bf2 Nxc3 10. bxc3 d6 11. c4 c5 12. e5 Nc6 13. exd6 exd6 14. Bh4 Nb4) 8... Nh5?? { (-10.11 → 5.24) Blunder. Best move was Qxb2. } (8... Qxb2 9. Rc1 Qxc3+ 10. Bd2 Nxe4 11. Bxc3 Nxf2 12. Kxf2 f6 13. d4 d5 14. Ne1 Nd7 15. Nd3) 9. Bxb6 axb6 10. O-O-O? { (4.83 → 2.69) Mistake. Best move was Ne5. } (10. Ne5) 10... Rxa2?? { (2.69 → 8.54) Blunder. Best move was g6. } (10... g6 11. g4 Nf4 12. Qe3 Ne6 13. d4 Bg7 14. d5 Nc5 15. e5 O-O 16. Bc4 Nba6 17. a3) 11. Nxa2 Na6?! { (8.38 → 9.00) Inaccuracy. Best move was g6. } (11... g6 12. g4) 12. Be2? { (9.00 → 7.96) Mistake. Best move was g4. } (12. g4) 12... b5? { (7.96 → 9.76) Mistake. Best move was Nf4. } (12... Nf4) 13. Ne5? { (9.76 → 7.67) Mistake. Best move was Ng5. } (13. Ng5 f6) 13... b4? { (7.67 → 21.23) Mistake. Best move was Nf6. } (13... Nf6 14. c4) 14. Bxh5 Nc5 15. Nc4 Ne6 16. Nxb4 Nf4?! { (13.38 → Mate in 10) Checkmate is now unavoidable. Best move was g6. } (16... g6 17. Bg4) 17. Qxf4?! { (Mate in 10 → 20.98) Lost forced checkmate sequence. Best move was Bxf7+. } (17. Bxf7+ Kxf7 18. Qxf4+ Ke8 19. Qc7 Kf7 20. Rf1+ Kg8 21. Qd8 h6 22. Ne5 Kh7 23. Qe8 d5) 17... c5?! { (20.98 → Mate in 5) Checkmate is now unavoidable. Best move was g6. } (17... g6 18. Qc7 Bh6+ 19. Kb1 O-O 20. Nb6 gxh5 21. Nxc8 e6 22. Qxb7 c5 23. Na6 Be3 24. Qc7) 18. Nd5 g6 19. Bg4?! { (Mate in 4 → 24.68) Lost forced checkmate sequence. Best move was Nd6+. } (19. Nd6+ exd6 20. Qf6 Bh6+ 21. Kb1 gxh5 22. Qe7#) 19... g5?! { (24.68 → Mate in 2) Checkmate is now unavoidable. Best move was e6. } (19... e6 20. Qc7) 20. Qxg5?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Qc7. } (20. Qc7 f6 21. Bh5#) 20... e6 21. Nf4?! { (Mate in 1 → 24.25) Lost forced checkmate sequence. Best move was Nc7#. } (21. Nc7#) 21... d5 22. exd5 exd5?! { (27.71 → Mate in 5) Checkmate is now unavoidable. Best move was h5. } (22... h5 23. Qe5) 23. Nxd5?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Bxc8. } (23. Bxc8 Be7 24. Re1 Kf8 25. Rxe7 dxc4 26. Ne6+ fxe6 27. Qg7#) 23... Bxg4 24. hxg4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qe5+. } (24. Qe5+ Kd7 25. Qc7+ Ke6 26. Nf4+ Kf5 27. Qe5#) 24... b5 25. Ncb6?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qe5+. } (25. Qe5+ Kd7 26. Ncb6+ Kd8 27. Qb8#) 25... b4 26. Nc7# { White wins by checkmate. } 1-0