A rebuy allows players to stay in the game even after their chips are depleted, typically only permitted during a specific rebuy period in the tournament. Players can buy back in with a set amount of chips, often for the same price as the initial buy-in, and this can occur multiple times until the rebuy phase ends.
Rebuy in Poker Example
For example, if a player loses all their chips in the first hour of a tournament with a rebuy option, they can pay the buy-in amount again to receive a new set of chips and continue playing.