The rules document below is meant only as a reference for frequently asked questions for tournaments. They were adapted from the document supplied at our State Individual Scholastic Championship. These rules are NOT meant to supersede the rules of a specific event. If you have questions about whether a rule applies, please consult the Chief Tournament Director before the event.
US Chess provides the basic rules at the link below. It is a 146 page document that covers everything from board and piece setup and how the pieces move to tournament structure and tie breaks.