lichess dev

[Event "Ariadna Arena"] [Site "http://chess-academy.net/aXuhl9w9"] [Date "2025.02.22"] [Round "-"] [White "cezar8"] [Black "Kurs"] [Result "0-1"] [UTCDate "2025.02.22"] [UTCTime "10:56:59"] [WhiteElo "1012"] [BlackElo "1121"] [WhiteRatingDiff "-31"] [BlackRatingDiff "+9"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B20"] [Opening "Sicilian Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c5 { B20 Sicilian Defense } 2. Qh5? { (0.53 → -0.59) Mistake. Best move was Ne2. } (2. Ne2 Nf6 3. Nbc3 d5 4. exd5 Nxd5 5. Nxd5 Qxd5 6. Nc3 Qe5+) 2... e6 3. Qxc5?? { (-0.16 → -12.61) Blunder. Best move was Nf3. } (3. Nf3 Nf6) 3... Bxc5 4. d4 Bxd4 5. Bh6 gxh6 6. h4 Qf6 7. Rh3 Qxf2+ 8. Kd1 Qxf1+ 9. Kd2 Qxg1 10. Rh2 Qxh2 11. Kd3 Nc6 12. a4?! { (-40.54 → Mate in 6) Checkmate is now unavoidable. Best move was c3. } (12. c3 Qxg2) 12... Qxg2 13. Ra3 Qf2 14. Kc4 b6?! { (Mate in 4 → Mate in 6) Not the best checkmate sequence. Best move was Na5+. } (14... Na5+ 15. Kb4 Bc5+ 16. Kb5 a6+ 17. Kxa5 b6#) 15. Rb3 Ba6+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qe2+. } (15... Qe2+ 16. Rd3 Qxc2+ 17. Nc3 Ba6#) 16. Rb5 Na5+ 17. Kb4 Qxc2?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Bc5+. } (17... Bc5+ 18. Rxc5 Qxc5#) 18. Rxa5 bxa5+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qxb2#. } (18... Qxb2#) 19. Kxa5 Qc5+ 20. Kxa6 Qb6# { Black wins by checkmate. } 0-1