FEN
[Event "?"]
[Site "?"]
[Date "2020.03.25"]
[Round "?"]
[White "Juegan Blancas"]
[Black "Mate en 4 jugadas"]
[Result "1-0"]
[WhiteElo "?"]
[BlackElo "?"]
[Variant "From Position"]
[TimeControl "-"]
[ECO "?"]
[Opening "?"]
[Termination "Normal"]
[FEN "8/4p3/p2N4/P2p4/1P1k4/5B2/2K1R1P1/8 w - - 0 1"]
[SetUp "1"]
[Annotator "lichess.org"]
1. Bh5 exd6 2. Bf7 Kc4 3. Re4+ Kb5 4. Be8# { White wins by checkmate. } 1-0