Spyke
chessmatereply
lemmy.ml

If it helps there is a link in the post to try this on an interactive chessboard and if you're stuck then click on Analyse button which will help you find solution with an engine. :)

1

I’ve tried the Analyse option before but it didn’t seem to bring me to the solution. Maybe I’ll try it again.

1

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White to Mate in 2 - Composition by Herbert Siegfried Oskar Ahues | Spyke