Please ask your fellow club members to help you out on this one. It's a lengthy explanation, one better suited to a discussion in the relevant club.
Try joining a 'puzzles' club for starters. That should be fun.
https://www.chess.com/clubs/search?club_search%5Bphrase%5D=Puzzle
https://www.chess.com/forum/view/help-support/how-to-post-puzzles
I can’t make a puzzle