In fact even those adults who do play chess more often than not don't really know the rules beyond a passing familiarity ;) There was this funny piece at chess

In fact even those adults who do play chess more often than not don't really know the rules beyond a passing familiarity ;) There was this funny piece at chess.com quoting some of the complaints they receive from angry users about capturing en passant: https://www.chess.com/article/view/his-pawn-cheated-and-killed-my-pawn https://www.chess.com/article/view/his-pawn-cheated-and-kill... :)