Why East gets the first move
In traditional Mahjong, East is the starting dealer, not simply a compass label for one player’s permanent place at the table. The dealer is the player who begins the hand by making the first discard—the first tile placed face up for everyone to see and potentially claim. That opening move turns a freshly dealt set of concealed tiles into a shared contest: each discard gives the other players information and a chance to act.
The dealer’s role continues beyond the opening
The dealer’s position matters because Mahjong is played as a sequence of hands, not one isolated deal. In many traditional rule sets, the dealer remains East for another hand if they win or the hand ends in a draw; otherwise, the dealership passes to the next player. The exact conditions vary by ruleset, but the principle is consistent: East marks the current dealer, and the role can move around the table.
That rotation gives the opening move a practical purpose. Each player gets a turn at the dealer’s position over the course of play, rather than one seat owning the advantage throughout. The first discard may shape the hand’s early choices, but it does not guarantee a win: the other three players can respond to discards, build their own combinations, and disrupt one another’s plans.
