[Event "Casual correspondence game"] [Site "https://lichess.org/OS0KBub9"] [Date "2021.02.17"] [White "realgseeman"] [Black "samtammen"] [Result "0-1"] [UTCDate "2021.02.17"] [UTCTime "01:47:03"] [WhiteElo "1500"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "-"] [ECO "D40"] [Opening "Queen's Gambit Declined: Semi-Tarrasch Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 { D40 Queen's Gambit Declined: Semi-Tarrasch Defense } 5. e4?? { (0.44 → -2.09) Blunder. cxd5 was best. } (5. cxd5 cxd4 6. Qxd4 exd5 7. e4 Nc6 8. Bb5 dxe4 9. Qxd8+ Kxd8) 5... cxd4? { (-2.09 → -0.79) Mistake. dxe4 was best. } (5... dxe4 6. Nd2 cxd4 7. Ncxe4 Nxe4 8. Nxe4 f5 9. Ng5 Be7 10. f4) 6. Qxd4?! { (-0.79 → -1.44) Inaccuracy. Nxd4 was best. } (6. Nxd4 Nxe4) 6... Nc6 7. Qd1 dxe4 8. Nd4?? { (-1.37 → -6.75) Blunder. Qxd8+ was best. } (8. Qxd8+ Nxd8 9. Ng5 Nc6 10. Bd2 Nb4 11. O-O-O Bd7 12. a3 Nd3+ 13. Bxd3 exd3 14. Be3 Rc8) 8... Qxd4 9. Be3 Qxd1+ 10. Rxd1 Be7 11. Be2 O-O 12. O-O b6 13. f3 exf3 14. Bxf3 Bb7 15. Bg5 Rad8 16. Bxf6 Bxf6 17. Ne4 Bxb2 18. c5 Rxd1 19. Rxd1 Ne5 20. Nf6+ gxf6 21. Bxb7 bxc5 22. Rb1 Bd4+ 23. Kh1 Ng4 24. h3 Nf2+ 25. Kh2 Be5+ 26. g3 Rd8 27. Bf3 Rd2 28. Rf1 Ng4+ 29. Kg1 Bd4+ 30. Kh1?! { (-64.66 → Mate in 1) Checkmate is now unavoidable. Rf2 was best. } (30. Rf2 Bxf2+) 30... Rh2# { Black wins by checkmate. } 0-1