The effect: Six chess boards are shown, each missing a different piece and then one board is chosen at random. Multiple chess pieces are shown and one is chosen by a different random method. That turns out to be the piece that is missing from the previously chosen chess board.
Perfect as a “synchronicity” routine for couples.
Chess has been going strong for about 1,500 years and is going through kind of a “fad” phase right now (the Netflix series The Queen’s Gambit, etc.) so there’s never been a better time to introduce