[Event "Rated classical game"] [Site "https://lichess.org/oO88K6FL"] [Date "2024.01.03"] [White "SergeyChern2011"] [Black "DIANA123_1"] [Result "0-1"] [UTCDate "2024.01.03"] [UTCTime "13:49:14"] [WhiteElo "1836"] [BlackElo "1836"] [WhiteRatingDiff "-70"] [BlackRatingDiff "+12"] [Variant "Standard"] [TimeControl "1500+5"] [ECO "A00"] [Opening "Anderssen's Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. a3 { A00 Anderssen's Opening } Nf6 2. e3 g6 3. d4 Bg7 4. Nf3 O-O 5. c4 d6 6. Nc3 Nbd7 7. h3 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd8 Rxd8 11. Ke2?! { (-0.24 → -1.18) Inaccuracy. e4 was best. } (11. e4 c6) 11... Be6 12. g3?! { (-0.92 → -1.73) Inaccuracy. Ke1 was best. } (12. Ke1) 12... Bxc4+ 13. Kf3?! { (-1.65 → -2.62) Inaccuracy. Ke1 was best. } (13. Ke1 Bb3 14. e4 Bf8 15. Be3 Nd7 16. f3 Bc5 17. Kf2 Bb6 18. Rc1 c6 19. Nb1 Nf8) 13... e4+ 14. Kf4?? { (-2.45 → Mate in 4) Checkmate is now unavoidable. Kg2 was best. } (14. Kg2 Bb3 15. Be2 a5 16. a4 Bc2 17. Nb5 c6 18. Nd4 Bd3 19. Bxd3 exd3 20. Rd1 c5) 14... Nd5+?? { (Mate in 4 → -4.56) Lost forced checkmate sequence. Bh6+ was best. } (14... Bh6+ 15. Ke5 Rd6 16. Nd5 Rxd5+ 17. Kxf6 Bg5#) 15. Kxe4?! { (-4.56 → -6.91) Inaccuracy. Nxd5 was best. } (15. Nxd5 Bh6+ 16. Kg4 Bxd5 17. Kh4 Bg7 18. g4 Be5 19. g5 h6 20. gxh6 f6 21. Rb1 Kh7) 15... Nxc3+ 16. Kf4 Bh6+ 17. Kf3 Bd5+ 18. Kg4?? { (-6.79 → Mate in 5) Checkmate is now unavoidable. e4 was best. } (18. e4 Bxe4+ 19. Kg4 Bf8 20. f3 h5+ 21. Kh4 Bxf3 22. bxc3 Bxh1 23. Bg5 Re8 24. Bc4 Bc5) 18... f5+ 19. Kh4 g5+ 20. Kh5 Kg7 21. Rg1 Bf7# { Black wins by checkmate. } 0-1