lichess dev

[Event "Black12 Arena"] [Site "http://chess-academy.net/6mVRmuNx"] [Date "2025.12.16"] [Round "-"] [White "Matvei2016"] [Black "AlexandrG"] [Result "0-1"] [UTCDate "2025.12.16"] [UTCTime "17:31:46"] [WhiteElo "1277"] [BlackElo "1504"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "420+0"] [ECO "C23"] [Opening "Bishop's Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bc4 { C23 Bishop's Opening } Nc6?! { (-0.16 → 0.46) Inaccuracy. Best move was Nf6. } (2... Nf6 3. Nc3 Bc5 4. Nf3 d6 5. d3 c6 6. O-O O-O 7. a4) 3. Qh5?! { (0.46 → -0.44) Inaccuracy. Best move was Nf3. } (3. Nf3 Nf6 4. d3 Bc5 5. O-O O-O 6. c3 Bb6 7. b4 a6) 3... g6 4. Qg4?? { (-0.12 → -5.90) Blunder. Best move was Qd1. } (4. Qd1 Na5 5. Be2 Nf6 6. d3 d5 7. Nd2 Bg7 8. Ngf3 Nc6) 4... d5 5. Bxd5?? { (-5.16 → -12.59) Blunder. Best move was Qd1. } (5. Qd1) 5... Bxg4 6. Nh3 Bxh3 7. gxh3 Nd4 8. O-O Nxc2 9. b3 Nxa1 10. Bb2 Nc2 11. Bxb7 Rb8 12. Bc6+ Ke7 13. Bxe5 Nf6 14. Bd6+ cxd6 15. Bb5 Rxb5 16. Nc3?! { (-31.31 → Mate in 9) Checkmate is now unavoidable. Best move was h4. } (16. h4 Qd7) 16... Nd4?! { (Mate in 9 → -29.26) Lost forced checkmate sequence. Best move was Rg5+. } (16... Rg5+ 17. Kh1 Qd7 18. Rg1 Rxg1+ 19. Kxg1 Qxh3 20. f3 Qxf3 21. Nd1 Ne1 22. Ne3 Bh6 23. h3) 17. Nxb5 Nxb5 18. Rc1 Nxe4 19. Rc4?! { (-27.92 → Mate in 19) Checkmate is now unavoidable. Best move was Re1. } (19. Re1 d5) 19... Nxd2 20. Rb4?! { (-30.97 → Mate in 7) Checkmate is now unavoidable. Best move was h4. } (20. h4 Nxc4) 20... Nc3 21. Rb7+ Ke6 22. Rxa7 Ne2+ 23. Kg2 Qg5+ 24. Kh1 Qg1# { Black wins by checkmate. } 0-1