lichess dev

[Event "Rated Three-check tournament https://lichess.org/tournament/Kpj4cPfn"] [Site "http://chess-academy.net/SYqz2IrF"] [Date "2025.02.19"] [Round "-"] [White "QQQQQQQQQQQQQQQQQQQQ"] [Black "Victoria_Ulitskaya18"] [Result "1-0"] [UTCDate "2025.02.19"] [UTCTime "15:37:02"] [WhiteElo "1173"] [BlackElo "1096"] [WhiteRatingDiff "+19"] [BlackRatingDiff "-11"] [Variant "Three-check"] [TimeControl "180+2"] [ECO "A13"] [Opening "English Opening: Agincourt Defense #3"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. Nf3 e6? { (0.13 → 2.95) Mistake. Best move was e5. } (1... e5 2. Nc3 Nf6 3. e4 Bc5 4. d4 exd4 5. Bc4 O-O 6. Nd5 Nxd5 7. O-O Nf6 8. e5) 2. c4? { (2.95 → 0.44) Mistake. Best move was Nc3. } { A13 English Opening: Agincourt Defense #3 } (2. Nc3) 2... Bc5? { (0.44 → 1.57) Mistake. Best move was Nf6. } (2... Nf6 3. Nc3 Bb4 4. e4 Ng4 5. d4 Nc6 6. Qd2 e5 7. a3 exd4 8. axb4 dxc3 9. Qxc3) 3. e3 d5?? { (1.33 → 6.27) Blunder. Best move was Nf6. } (3... Nf6 4. Nc3) 4. cxd5?? { (6.27 → 1.87) Blunder. Best move was Qa4+. } (4. Qa4+) 4... Qxd5?? { (1.87 → 16.24) Blunder. Best move was c6. } (4... c6 5. dxc6) 5. Nc3? { (16.24 → 8.95) Mistake. Best move was Bb5+. } (5. Bb5+) 5... Qd7 6. Bb5?? { (8.83 → 4.98) Blunder. Best move was Ne5. } (6. Ne5) 6... c6 7. Ba4? { (5.93 → 3.88) Mistake. Best move was Ne5. } (7. Ne5) 7... b5? { (3.88 → 5.91) Mistake. Best move was Nf6. } (7... Nf6) 8. Bc2? { (5.91 → 3.93) Mistake. Best move was Ne5. } (8. Ne5 Qe7) 8... a5?? { (3.93 → 7.83) Blunder. Best move was Nf6. } (8... Nf6 9. d4 Bd6 10. O-O Qc7 11. Kh1 b4 12. Ne2 Ba6 13. e4 Be7 14. e5 Nd5 15. Ng3) 9. d4? { (7.83 → 5.32) Mistake. Best move was Ne4. } (9. Ne4 Qe7) 9... Bb6?? { (5.32 → 8.79) Blunder. Best move was Bb4. } (9... Bb4 10. O-O) 10. Bd2?? { (8.79 → 4.68) Blunder. Best move was Ne4. } (10. Ne4) 10... c5?? { (4.68 → 14.09) Blunder. Best move was Nf6. } (10... Nf6 11. Ne5) 11. dxc5 Bxc5 12. Ne4 Bxe3 13. fxe3 Qe7 14. O-O Nf6 15. Nxf6+ Qxf6?! { (29.68 → Mate in 6) Checkmate is now unavoidable. Best move was gxf6. } (15... gxf6 16. Nd4) 16. Bc3 Qg6 17. Bxg6?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qd8+. } (17. Qd8+ Kxd8 18. Bxa5+) 17... fxg6 18. Qd6?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qd8+. } (18. Qd8+ Kxd8 19. Bxa5+) 18... Nd7 19. Ne5?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qxe6+. } (19. Qxe6+ Kf8 20. Bxg7+) 19... Nxe5 20. Bxe5?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qxe6+. } (20. Qxe6+ Bxe6 21. Rf8+) 20... Rg8 21. Rad1 Bb7 22. Qd7# { White wins by checkmate. } 1-0