You might also want to send out invitations that include the tournament's format & any special rules you intend to use. Clearly defined tournament rules and scoring systems must be established aftergame like mpl the logistics are in place. Depending on the number of players & time constraints, you can choose between the round-robin & elimination-style formats; each has advantages. Also, think about providing fun awards for categories like "Best Bluffer" or "Most Creative Play," or prizes for winners. This encourages players to participate completely in the tournament by adding a sense of excitement.