FEN
[Event "Casual Game"]
[Site "https://lichess.org"]
[Date "6/20/2021, 8:05:53 PM"]
[White "Anonymous"]
[Black "Anonymous"]
[Result "1-0"]
[WhiteElo "?"]
[BlackElo "?"]
[Variant "From Position"]
[TimeControl "-"]
[ECO "?"]
[Opening "?"]
[Termination "Normal"]
[FEN "b7/PP6/8/8/7K/6B1/6N1/3R2bk w - - 0 1"]
[SetUp "1"]
[Annotator "lichess.org"]
1. Rxg1+ Kxg1 2. bxa8=Q Kf1 3. Nf4 Kg1 4. Qg2# { White wins by checkmate. } 1-0