[Event "2021 Winter Marathon"] [Site "https://lichess.org/mRwE8npo"] [Date "2021.12.28"] [White "xchu"] [Black "SAMBHAV21"] [Result "0-1"] [UTCDate "2021.12.28"] [UTCTime "16:54:11"] [WhiteElo "2196"] [BlackElo "1971"] [WhiteRatingDiff "-9"] [BlackRatingDiff "+9"] [Variant "Standard"] [TimeControl "180+0"] [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. e3?! { (0.52 → -0.10) Inaccuracy. cxd5 was best. } (5. cxd5 cxd4 6. Qxd4 Be7 7. e4 exd5 8. Bxf6 Bxf6 9. Bb5+ Nc6) 5... h6? { (-0.10 → 1.34) Mistake. cxd4 was best. } (5... cxd4 6. Qxd4 Nc6 7. Bxf6 gxf6 8. Qh4 dxc4 9. Rd1 Bd7 10. Nf3) 6. Bh4? { (1.34 → -0.05) Mistake. Bxf6 was best. } (6. Bxf6 Qxf6 7. cxd5 cxd4 8. Bb5+ Bd7 9. Bxd7+ Nxd7 10. dxe6 fxe6) 6... Nc6?! { (-0.05 → 0.78) Inaccuracy. cxd4 was best. } (6... cxd4 7. Qxd4 Nc6 8. Qd2 Be7 9. Rd1 O-O 10. Nf3 dxc4 11. Bxc4) 7. cxd5 exd5 8. Bxf6 Qxf6 9. Nxd5 Qg5?? { (0.68 → 5.87) Blunder. Qd8 was best. } (9... Qd8 10. dxc5 Be6 11. Nc3 Bxc5 12. Qxd8+ Rxd8 13. Bb5 O-O 14. Nf3 Bb4 15. O-O Bxc3 16. bxc3) 10. Nc7+ Kd8 11. Nxa8?! { (5.94 → 4.10) Inaccuracy. Nf3 was best. } (11. Nf3) 11... cxd4 12. Nf3?? { (4.21 → 1.94) Blunder. a3 was best. } (12. a3) 12... Bb4+ 13. Nd2?? { (2.40 → -7.13) Blunder. Ke2 was best. } (13. Ke2 Bg4) 13... dxe3 14. fxe3 Qxe3+?! { (-7.13 → -4.95) Inaccuracy. Re8 was best. } (14... Re8 15. Qe2 Nd4 16. O-O-O Nxe2+ 17. Kb1 Qg6+ 18. Ne4+ Bd7 19. Bxe2 Qxe4+ 20. Bd3 Qc6 21. Bc2) 15. Be2 Bg4?? { (-5.08 → 0.31) Blunder. Re8 was best. } (15... Re8 16. a3) 16. a3?? { (0.31 → -3.58) Blunder. Kf1 was best. } (16. Kf1 Bxd2) 16... Nd4?? { (-3.58 → 0.00) Blunder. Bxe2 was best. } (16... Bxe2) 17. axb4 Bxe2 18. Nf1 Bxf1+ 19. Kxf1 Re8?? { (0.00 → 4.24) Blunder. Qf4+ was best. } (19... Qf4+ 20. Kg1 Qe3+ 21. Kf1) 20. Qe1?? { (4.24 → Mate in 11) Checkmate is now unavoidable. Ra3 was best. } (20. Ra3 Qf4+) 20... Qd3+ 21. Kf2 Re2+? { (Mate in 10 → -8.11) Lost forced checkmate sequence. Qf5+ was best. } (21... Qf5+ 22. Kg3 Ne2+ 23. Qxe2 Rxe2 24. Rhd1+ Ke7 25. Rd7+ Qxd7 26. Re1 Qd3+ 27. Kg4 Rxe1 28. Nc7) 22. Qxe2 Qxe2+ 23. Kg3? { (-8.07 → Mate in 3) Checkmate is now unavoidable. Kg1 was best. } (23. Kg1 Qe3+) 23... Qe3+ 24. Kh4 Nf5+ 25. Kg4 g6 26. Rhd1+ Ke7 27. Re1 h5# { Black wins by checkmate. } 0-1