Learn Poker rules for games variants such as Texas Hold'em, Omaha, 7 Card, Razz and more at the WSOP official website. World Series of Poker ® Official Tournament Rules. Rio All-Suite Hotel & Casino, Las Vegas, Nevada. SECTION I – TOURNAMENT REGISTRATION AND. Official World Series of Poker tournament directors association rules ✪ All Players Must abide by these rules during all WSOP game-play.