I said in ENGLISH. Not "ngfrjhthhguyytjhythjhtyihjjhtiu" I don't understand gibberish.
OK, if you don't want to bother looking up a rot13 decoder then I'll add a bunch of line breaks to avoid Level 7 spoilers:
Your bishop is on a light-colored tile, so it must have started on tile f1. Make it impossible for the bishop to have moved from there.