[Event "Weekly Classical Arena"] [Site "https://lichess.org/bew3kDdJ"] [Date "2017.12.15"] [White "AIG7"] [Black "MSaid"] [Result "0-1"] [UTCDate "2017.12.15"] [UTCTime "18:20:05"] [WhiteElo "1280"] [BlackElo "2009"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+1"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "C20"] [Opening "King's Pawn Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. b3?! { (0.23 → -0.47) Inaccuracy. Nf3 was best. } { C20 King's Pawn Opening } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. a4 Bb7) 2... Nf6 3. d3 Be7 4. Bb2 d6 5. Nc3 c6 6. Qd2 O-O 7. O-O-O?! { (-0.22 → -0.83) Inaccuracy. Nf3 was best. } (7. Nf3 Nbd7 8. Ne2 Nc5 9. h3 d5 10. Ng3 dxe4 11. dxe4 Ncxe4 12. Qxd8 Rxd8 13. Nxe4 Nxe4) 7... b5 8. a3 a5 9. Na2? { (-0.89 → -2.56) Mistake. g3 was best. } (9. g3 d5) 9... Nxe4 10. dxe4? { (-2.51 → -4.50) Mistake. Qe1 was best. } (10. Qe1 Nf6) 10... Bg5 11. Qxg5 Qxg5+ 12. Kb1 Qf4 13. f3 b4 14. Rxd6 bxa3 15. Bxa3 a4 16. Bc4? { (-4.63 → -8.08) Mistake. Ne2 was best. } (16. Ne2 Qg5) 16... axb3 17. Bc1 bxa2+ 18. Kb2? { (-8.56 → Mate in 4) Checkmate is now unavoidable. Bxa2 was best. } (18. Bxa2 Qh4) 18... Qxc1+?! { (Mate in 4 → -21.28) Lost forced checkmate sequence. a1=Q+ was best. } (18... a1=Q+ 19. Kb3 Qe3+ 20. Rd3 Qb6+ 21. Bb5 Qxb5#) 19. Kxc1 a1=Q+ 20. Kd2 Nd7 21. Rxc6 Qd4+ 22. Ke2 Nc5 23. Bd3?! { (-20.38 → Mate in 6) Checkmate is now unavoidable. Rd6 was best. } (23. Rd6 Qxc4+) 23... Nxd3 24. cxd3 Ra2+ 25. Kf1 Qa1+ 26. Rc1 Qxc1# { Black wins by checkmate. } 0-1