lichess dev

[Event "Hourly Blitz Arena"] [Site "http://chess-academy.net/oJJfDcHw"] [Date "2022.12.14"] [Round "-"] [White "DGTU"] [Black "Petrozavotsk"] [Result "1-0"] [UTCDate "2022.12.14"] [UTCTime "18:09:50"] [WhiteElo "2143"] [BlackElo "1142"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-1"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B07"] [Opening "Pirc Defense #4"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d6?! { (0.12 → 0.73) Inaccuracy. Best move was e6. } { B07 Pirc Defense #4 } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. e5? { (0.73 → -1.36) Mistake. Best move was d4. } (2. d4 Nf6 3. Nc3 e6 4. Nf3 Be7 5. Bd3 Nbd7 6. e5 dxe5) 2... Qd7? { (-1.36 → 0.83) Mistake. Best move was dxe5. } (2... dxe5 3. Nc3 a6 4. f4 exf4 5. d4 e6 6. Bxf4 Bd6 7. Qd2 b5 8. Nf3 Nf6 9. Bd3) 3. e6? { (0.83 → -2.16) Mistake. Best move was f4. } (3. f4 Nc6 4. Nf3 dxe5 5. fxe5 g5 6. Nxg5 Qd5 7. d4 Qxd4 8. Qxd4 Nxd4 9. Na3 Bg7) 3... f6?? { (-2.16 → 12.32) Blunder. Best move was Qxe6+. } (3... Qxe6+) 4. exd7+ Kf7 5. dxc8=Q Kg6?! { (39.23 → Mate in 4) Checkmate is now unavoidable. Best move was g5. } (5... g5 6. Qxb7 Nd7 7. Qxa8 Ne5 8. d4 Ng6 9. Qxa7 c6 10. Qc7 h5 11. Qxc6 e6 12. Bb5) 6. Qxf8?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Qdg4+. } (6. Qdg4+ Kf7 7. Bc4+ d5 8. Bxd5+ e6 9. Qcxe6#) 6... Kf5 7. Qxg7?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Qf7. } (7. Qf7 c6 8. d4 g5 9. Bd3#) 7... Ke6 8. Qxh8?! { (Mate in 5 → 60.21) Lost forced checkmate sequence. Best move was Qh5. } (8. Qh5 Nh6 9. Qe2+ Kd7 10. Qgxe7+ Kc8 11. Qe8+ Rxe8 12. Qxe8#) 8... Nc6 9. Qxh7 Rf8 10. Qxg8+ Ke5?! { (34.77 → Mate in 2) Checkmate is now unavoidable. Best move was Rxg8. } (10... Rxg8 11. Nc3 Kd7 12. Nf3 e6 13. Qe2 a6 14. g3 Nd8 15. d4 Rf8 16. Bh6 Rf7 17. O-O-O) 11. Qxf8?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Qe2+. } (11. Qe2+ Kf5 12. Qgg4#) 11... Nd4 12. Qh5+ Ke6 13. Qg8+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qc8#. } (13. Qc8#) 13... Kd7 14. Qhg4+?! { (Mate in 1 → Mate in 5) Not the best checkmate sequence. Best move was Qhe8#. } (14. Qhe8#) 14... f5 15. Qxf5+?! { (Mate in 5 → 45.33) Lost forced checkmate sequence. Best move was Qxd4. } (15. Qxd4 a6 16. Qa7 Kc6 17. Qe8+ Kd5 18. Qe3 c6 19. c4#) 15... e6?! { (45.33 → Mate in 4) Checkmate is now unavoidable. Best move was Nxf5. } (15... Nxf5 16. Qd5) 16. Qff7+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Bb5+. } (16. Bb5+ Nxb5 17. Qxb5+ Ke7 18. Qbe8+ Kf6 19. Qexe6#) 16... Kc6 17. Qg5?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Qgg7. } (17. Qgg7 Nxc2+ 18. Kd1 Ne3+ 19. dxe3 Kd5 20. Qg5+ Kc6 21. Qb5#) 17... Ne2 18. Nxe2?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Qe8+. } (18. Qe8+ Kb6 19. Qgb5#) 18... a5 19. Nd4+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qe8+. } (19. Qe8+ Kb6 20. Qgb5+ Ka7 21. Qxa5#) 19... Kb6 20. Qb5+ Ka7 21. Qfd7?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qxa5+. } (21. Qxa5+ Kb8 22. Qfxc7#) 21... d5 22. Qxc7 a4 23. Qcxb7# { White wins by checkmate. } 1-0