Minimum Eligible Raise:
The raise amount must be at least as much as the previous bet or raise in the same round. As an example, if the first player to act bets $100 then the second player must raise a minimum of $100 (total bet of $200).


Maximum Eligible Raise:
The size of the pot: The size of the pot is defined as the total of the active Pot (which can be either the main pot or the side pot depending on whether anyone has gone "all-in") plus all bets on the table plus the amount the active player must first call before raising.


As an example, if the active pot is $200 and the first player to act in the round bets $150 and the next player calls $150, the third player has a maximum eligible total bet of $800. The $800 total is made up of the $150 call and $650 raise.

The $650 max raise portion is equal to the pot of $200 + first player's $150 + second player's $150 + his own call of $150.

Poker is typically played "table stakes", meaning only the chips in play at the beginning of each hand may be used throughout the hand. This means that the player cannot get additional funds from the cashier while he is in the midst of a game. The table stakes rule has an application called the "All-In" rule, which states that a player cannot be forced to forfeit a hand because the player does not have enough chips to call a bet.