[Event "IM greatchesscoach simul"] [Site "https://lichess.org/84s4BQI1"] [Date "2021.03.28"] [White "greatchesscoach"] [Black "as1236547"] [Result "1-0"] [UTCDate "2021.03.28"] [UTCTime "11:17:57"] [WhiteElo "2500"] [BlackElo "1500"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "300+3"] [ECO "D37"] [Opening "Queen's Gambit Declined: Three Knights, Vienna Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 e6 { D37 Queen's Gambit Declined: Three Knights, Vienna Variation } 5. e4 c5?! { (0.00 → 0.56) Inaccuracy. Bb4 was best. } (5... Bb4 6. Bxc4 Nxe4 7. O-O Nxc3 8. bxc3 Bd6 9. Ng5 h6 10. Ne4) 6. d5 exd5 7. exd5?! { (0.27 → -0.44) Inaccuracy. e5 was best. } (7. e5 Ne4 8. Qxd5 Nxc3 9. Qxd8+ Kxd8 10. bxc3 Nc6 11. Bxc4 Be6) 7... Qe7+?? { (-0.44 → 2.26) Blunder. Bd6 was best. } (7... Bd6 8. Bxc4 O-O 9. O-O h6 10. Nb5 a6 11. Nxd6 Qxd6 12. b4) 8. Be2 Bd7? { (2.47 → 4.45) Mistake. Qc7 was best. } (8... Qc7) 9. O-O b5?! { (4.79 → 6.97) Inaccuracy. Qd6 was best. } (9... Qd6) 10. Bf4 Na6 11. d6 Qe6 12. Re1 Qf5 13. Bd3+ Qe6 14. Rxe6+ Bxe6 15. Bf1 b4 16. Nb5 Kd7 17. Nc7 Nxc7 18. dxc7+ Kc8?! { (11.93 → Mate in 6) Checkmate is now unavoidable. Ke8 was best. } (18... Ke8 19. Qa4+ Bd7 20. Re1+ Be7 21. Qa6 Nd5 22. Bxc4 Nxf4 23. Bb5 Kf8 24. Bxd7 g5 25. c8=Q+) 19. Ne5?! { (Mate in 6 → 12.55) Lost forced checkmate sequence. Qd8+ was best. } (19. Qd8+ Kb7 20. Qb8+ Rxb8 21. cxb8=Q+ Ka6 22. a4 Bd7 23. Bxc4+ Bb5 24. Qxb5#) 19... Nd7 20. Nxd7 Bxd7?! { (14.68 → Mate in 8) Checkmate is now unavoidable. g5 was best. } (20... g5 21. Qf3) 21. Qd5 { Black resigns. } 1-0