[Event "CM Pawnstructures simul"] [Site "https://lichess.org/lyCWIlwT"] [Date "2021.07.31"] [White "Rahsulaimon"] [Black "Pawnstructures"] [Result "0-1"] [UTCDate "2021.07.31"] [UTCTime "21:16:30"] [WhiteElo "1484"] [BlackElo "2401"] [BlackTitle "CM"] [Variant "Standard"] [TimeControl "600+3"] [ECO "D30"] [Opening "Queen's Gambit Declined"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 e6 { D30 Queen's Gambit Declined } 3. c5?! { (0.20 → -0.41) Inaccuracy. g3 was best. } (3. g3 Bb4+ 4. Bd2 Be7 5. Nf3 Nf6 6. Bg2 O-O 7. O-O c6) 3... b6 4. cxb6 axb6 5. Bf4 Bd6 6. Bxd6 cxd6?! { (-0.47 → 0.44) Inaccuracy. Qxd6 was best. } (6... Qxd6 7. e3) 7. e3 Nf6 8. Bb5+ Bd7 9. Bxd7+?! { (0.53 → -0.18) Inaccuracy. Nc3 was best. } (9. Nc3) 9... Qxd7 10. Nc3 O-O 11. Qd2?! { (0.21 → -0.65) Inaccuracy. a4 was best. } (11. a4 Nc6 12. Nge2 Na7 13. O-O b5 14. b4 Qb7 15. Qb3 bxa4 16. Rxa4 Nd7 17. b5 Rfb8) 11... Ra5?! { (-0.65 → 0.22) Inaccuracy. b5 was best. } (11... b5 12. Nf3) 12. O-O-O?? { (0.22 → -4.07) Blunder. Nge2 was best. } (12. Nge2 Ne4 13. Nxe4 dxe4 14. O-O Nc6 15. a4 d5 16. b3 Ra7 17. Rfc1 h6 18. h3 Rfa8) 12... Qa7 13. Kb1 b5 14. b3 b4 15. Na4 Ne4 16. Qe1? { (-4.63 → -9.60) Mistake. Qc2 was best. } (16. Qc2 Nd7) 16... Rxa4 17. bxa4 Nc3+ 18. Kc1 Qxa4 19. Rd2 Nd7 20. Ne2 Qa3+ 21. Rb2 Rc8 22. Nxc3 { White offers draw } 22... bxc3 23. Qe2? { (-9.60 → Mate in 3) Checkmate is now unavoidable. Qxc3 was best. } (23. Qxc3 Qxc3+) 23... cxb2+ 24. Kb1 Rc1+ 25. Rxc1 bxc1=R# { Black wins by checkmate. } 0-1