[Event "Weekly Classical Arena"] [Site "https://lichess.org/3qhFRF6t"] [Date "2022.01.28"] [White "Dstewart300"] [Black "Koebus"] [Result "0-1"] [UTCDate "2022.01.28"] [UTCTime "19:56:13"] [WhiteElo "1563"] [BlackElo "2104"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+0"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "D85"] [Opening "Grünfeld Defense: Exchange Variation, Modern Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 Bg7 6. e4 Nxc3 7. bxc3 c5 { D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation } 8. Bb2 O-O 9. Bd3?! { (-0.64 → -1.49) Inaccuracy. Rb1 was best. } (9. Rb1 Bg4 10. Be2 Bxf3 11. Bxf3 cxd4 12. cxd4 Nc6 13. d5 Qa5+ 14. Qd2 Qxa2 15. O-O Nd4) 9... Nc6?? { (-1.49 → 0.34) Blunder. cxd4 was best. } (9... cxd4 10. Nxd4) 10. d5 Ne5 11. O-O e6 12. Nxe5 Bxe5 13. Bc4? { (-0.05 → -1.60) Mistake. f4 was best. } (13. f4 Bg7 14. dxe6 Bxe6 15. f5 c4 16. fxe6 Qb6+ 17. Kh1 fxe6 18. Bxc4 Qxb2 19. Bxe6+ Kh8) 13... b5 14. Bxb5 Rb8 15. Qa4?? { (-1.33 → -6.45) Blunder. Qe2 was best. } (15. Qe2) 15... a6 16. Rab1 axb5 17. Qa3 exd5 18. Qxc5 Be6 19. exd5 Qxd5 20. Qe3 Bg7 21. a3 Bf5 22. Rbd1 Qc4 23. h3 h5 24. f3 Rfd8 25. g4 Bf8 26. Rxd8 Rxd8 27. gxf5 Bc5 28. Qxc5 Qxc5+ 29. Kg2 Qxf5? { (Mate in 5 → -8.73) Lost forced checkmate sequence. Rd2+ was best. } (29... Rd2+ 30. Kg3 h4+ 31. Kf4 Qd6+ 32. Ke3 g5 33. f4 Qd3#) 30. Kg3? { (-8.73 → Mate in 4) Checkmate is now unavoidable. Bc1 was best. } (30. Bc1 Qc2+) 30... Rd3?! { (Mate in 4 → -11.61) Lost forced checkmate sequence. Qg5+ was best. } (30... Qg5+ 31. Kh2 Rd2+ 32. Rf2 Rxf2+ 33. Kh1 Qg2#) 31. h4?! { (-11.61 → Mate in 5) Checkmate is now unavoidable. Bc1 was best. } (31. Bc1 Qe5+) 31... Rd2?! { (Mate in 5 → -19.07) Lost forced checkmate sequence. Qg4+ was best. } (31... Qg4+ 32. Kf2 Rxf3+ 33. Ke2 Qe4+ 34. Kd1 Qd3+ 35. Kc1 Rxf1#) 32. Bc1?! { (-19.07 → Mate in 4) Checkmate is now unavoidable. Rf2 was best. } (32. Rf2 Qe5+) 32... Qe5+ 33. f4 Qe3+ 34. Rf3 Qg1+ 35. Kh3 Rh2# { Black wins by checkmate. } 0-1