Since the chess.com staff seems to have run out of good April Fool's Day jokes, I have decided to post an article on joke chess problems. They are puzzles in chess which use humor as a primary or secondary element.
Finally, this last problem requires some explanation. A friend of Sam Loyd, the famous American puzzle composer, once bet him he could always find the piece that would deliver the principal mate of a chess problem. Here is what Loyd came up with in response. Although he lost the bet, it is still an entertaining puzzle: