A fourth community card, the turn, is placed face up next to the flop cards, and another round of betting begins.
This round of betting starts with the first player to the left of the dealer who is still in the hand, just like it did during the previous betting round on the flop.
In no limit poker, any player wishing to bet on the turn must make a bet equal to or larger than the big blind that was posted (called preflop) (the first betting round in a hand of poker).
In limit hold’em, the player must make a bet of two times the original big blind amount in this phase of the hand.
Continue reading about the rules of the next betting round called the river.