Poker BlindsBefore the start of game, one player is designated as the dealer. He is identified by one dealer button being placed at this seat position. The dealer button in fact moves one player to the left each hand. The first player on the left of the dealer must post a 'blind' bet equal to one-half of the minimum betting unit. That player is called the small blind. The next player to the left is called the big blind, and he or she must place a "blind" bet equal to one minimum betting unit. All these bets are called 'blinds' because they must be posted without having seen any cards.
The blinds are all forced bets posted by players to the left of the dealer button in flop style poker games. The number of blinds is usually two, but it can be one or three.
The blinds normally exist because Omaha and Texam hold'em are frequently played without antes, allowing a player to fold his hand without placing a bet. The blind bets invite a regular cost to partake in the game, thus inducing a player to enter pots in an attempt to compensate for that expense. Usually, the "big blind" is equal to the minimum bet, and is twice as much as the "small blind".