[Event "Monthly Classical Arena"] [Site "https://lichess.org/a23b2z6h"] [Date "2021.04.30"] [White "Inventor1"] [Black "aviraldobhal"] [Result "0-1"] [UTCDate "2021.04.30"] [UTCTime "21:42:08"] [WhiteElo "1726"] [BlackElo "1780"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "D50"] [Opening "Queen's Gambit Declined: Been-Koomen Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c5?! { (-0.09 → 0.52) Inaccuracy. dxc4 was best. } { D50 Queen's Gambit Declined: Been-Koomen Variation } (4... dxc4 5. e3 a6 6. Bxc4 c5 7. Nf3 b5 8. Bd3 Nbd7 9. Be4) 5. Bxf6?! { (0.52 → -0.13) Inaccuracy. cxd5 was best. } (5. cxd5 cxd4 6. Qxd4 Be7 7. e4 exd5 8. Bxf6 Bxf6 9. Bb5+ Nc6) 5... Qxf6 6. cxd5?? { (-0.21 → -2.91) Blunder. e3 was best. } (6. e3 cxd4 7. Qxd4 Qxd4 8. exd4 dxc4 9. Bxc4 Nd7 10. Nf3 Nb6) 6... cxd4 7. Nb5?? { (-3.06 → -9.57) Blunder. Ne4 was best. } (7. Ne4 Bb4+ 8. Nd2 exd5 9. Nf3 O-O 10. a3 Ba5 11. g3 d3) 7... Bb4+ 8. Nc3 dxc3 9. e3 cxb2+ 10. Ke2 bxa1=Q 11. Qa4+?! { (-24.65 → Mate in 6) Checkmate is now unavoidable. Qxa1 was best. } (11. Qxa1 Qxa1) 11... Bd7 12. Qxb4 Qab2+?! { (Mate in 7 → -18.25) Lost forced checkmate sequence. Qxa2+ was best. } (12... Qxa2+ 13. Kd3 Ba4 14. Qxa4+ Qxa4 15. Nf3 Qf5+ 16. Ke2 Qc4+ 17. Ke1 Qb1+ 18. Kd2 Qcc2#) 13. Qxb2 Qxb2+ 14. Kf3 exd5 15. Nh3 h5 { White resigns. } 0-1