[Event "Lincoln City Ch"] [Date "2015.06.13"] [Round "4"] [White "Knapp, Joseph"] [Black "Hartmann, John"] [Result "1-0"] [WhiteElo "1986"] [BlackElo "1777"] [Annotator "Hartmann,John"] [Variant "From Position"] [ECO "?"] [Opening "?"] [StudyName "Wednesday Workout 11/30/2022"] [ChapterName "Knapp, Joseph - Hartmann, John"] [ChapterURL "https://lichess.org/study/VLXt9A0R/37FQvEzG"] [FEN "4b2r/pk3p1P/1pnQpq2/1R1p1p2/P1pP4/2P2B2/2P2K2/7R b - - 0 47"] [SetUp "1"] [Orientation "white"] [ChapterMode "gamebook"] 47... Nxd4?? $138 { Our Editor-In-Chief has played admirably to this point. Can you see what gift he presented his opponent with here? } 48. Bxd5+ Bc6 { And the final blow: } 49. Qd7+ 1-0