lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/yDXToL8U"] [Date "2021.02.08"] [Round "-"] [White "sicilian2222"] [Black "FRoman"] [Result "1-0"] [UTCDate "2021.02.08"] [UTCTime "17:51:53"] [WhiteElo "1748"] [BlackElo "1726"] [WhiteRatingDiff "+38"] [BlackRatingDiff "-12"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C45"] [Opening "Scotch Game"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 { C45 Scotch Game } Nb4? { (0.00 → 1.52) Mistake. Best move was Bc5. } (4... Bc5 5. Be3 Bb6 6. Nxc6 bxc6 7. Qf3 Nf6 8. Bd3 Bxe3 9. Qxe3) 5. a3 Na6? { (1.13 → 2.22) Mistake. Best move was Nc6. } (5... Nc6 6. Be3) 6. Nc3 d6 7. Be3 Nf6 8. Bd3? { (2.56 → 1.16) Mistake. Best move was Qd2. } (8. Qd2 Bd7 9. O-O-O Be7 10. h3 Nc5 11. f3 h5 12. Kb1 h4 13. Be2 Nh5 14. Rhg1 Ng3) 8... Bg4? { (1.16 → 2.73) Mistake. Best move was Nc5. } (8... Nc5) 9. f3 Bh5? { (2.22 → 4.14) Mistake. Best move was Bd7. } (9... Bd7 10. Qe2) 10. O-O? { (4.14 → 2.28) Mistake. Best move was g4. } (10. g4 Bg6) 10... c5?? { (2.28 → 6.62) Blunder. Best move was Nc5. } (10... Nc5) 11. Nde2?? { (6.62 → 2.56) Blunder. Best move was Bb5+. } (11. Bb5+ Nd7 12. Nf5 Qb6 13. a4 Nb4 14. a5 Qc7 15. Bf4 O-O-O 16. Nxd6+ Bxd6 17. Bxd6 Nb8) 11... Be7? { (2.56 → 3.70) Mistake. Best move was Nc7. } (11... Nc7 12. Ng3) 12. Nf4 Qd7?? { (3.28 → 10.36) Blunder. Best move was O-O. } (12... O-O 13. Nxh5) 13. Bb5 Rd8 14. Bxd7+ Rxd7 15. Ncd5 O-O 16. Nxf6+ Bxf6 17. Nxh5 Bxb2 18. Ra2 Be5 19. f4 Bc3 20. Qd3 Bf6 21. Nxf6+ gxf6 22. e5 fxe5 23. fxe5 Rfd8?! { (18.16 → Mate in 7) Checkmate is now unavoidable. Best move was Nc7. } (23... Nc7 24. Bh6) 24. Bh6 dxe5 25. Qg3+ Kh8 26. Qg7# { White wins by checkmate. } 1-0