Is that a World Series of Poker rule or typical casino policy?
Doug F. In stud or flop games, if the pocket card(s) that are dealt face down to each player are inadvertently exposed due to a dealer error, the card(s) is ruled dead, that is, not legally playable. But your question deals with a player who intentionally exposes his cards during play. No misdeal here, Doug. It s free ammo for all the other players on the game. I state all because if any player at the table sees an exposed card(s), all the other players have a right to know what the exposed card or cards were. Even if a player unintentionally exposes his cards during play, his hand will still not be ruled dead, and again, if any player at the table saw the exposed card(s), then every other player at the table has the right to know what the exposed card(s) was. The reasoning behind this rule is to avoid players in collusion from privately showing cards to one another. As for burning cards, Doug, that s called burn and turn, where the function of the poker dealer is to burn a card before