They think fairy chess is old-fashioned only for non-game players! Then you should take a look at this classic by Hubert Gockel. In the Munich problem chess page "mpk-Blaetter" https://mpk-blaetter.hpage.com the artist shows his routine.

 

Here you will learn the basic techniques of the Breton adverse fairy tale condition. With this, visual and amazing stone disappearing effects are possible. Easy to understand and demonstrate. On this German language video I show a #2 routine from the German problem chess GM Hubert Gockel. Gockel is a professional composer who has recently specialized in this special field. He shows a 3rd degree continued defense, which he has optimized in essential points to a real work of art. The routine is a snappy sequence of effects that constantly works the same defensive trick, progressing with a series of Breton adverse seduction effects, and finally ending with a line exposure -2 black rook vanishing-: https://youtu.be/qFtm1Q4oB5E