The Last Two Cards
The time to give up on a hand in Holdem is either before the flop or on the flop.
If you still have an active hand by the turn, you’re usually in for the duration.
The betting rounds for the last two cards are at double the bet size of the first two betting rounds.
By the time you reach this point, your hand and the likely holdings of your opponents should be fairly well defined.
At the first of these last betting rounds, six of your seven cards have been exposed.
You only have one more card coming.
At this point you generally either have the probable best hand, or you have a draw to the
probable best hand.
Most of the time, if your hand was good enough to stay for the turn card, then it’s good enough to stay for the river card. Not always though.
An example of when it might not be right to stay past the turn card is when the pot was offering you enough odds to draw one card for an inside straight, but when the bet doubles on the turn round, the pot is not twice the size and you’re no longer getting good enough odds to call.
Generally, if your draw on the flop was strong enough for an automatic call, then it’ll still be good enough to call on the turn.
If your call on the flop depend on a close analysis of pot odds, then it’s probably not good enough to call the larger turn bet.
There are two different general situations to consider: first, when you are playing a made hand, such as top pair, and second, when you’re playing draw, such as a flush draw.
MADE HANDS ON THE TURN
Pairs
If you had a hand such as top pair on the flop, you should usually just continue betting on the turn.
You should usually bet even when the turn card is a scare card to you, such as an overcard to what had been the top pair.
One overcard to your pair should not usually give you cause to slow down with a hand that’s probably still best.
Two Pair
Two pair should also usually be bet on the turn.
An exception is when the turn card made your two pair and you had been calling on the flop rather than betting or raising.
In that case you should often consider checking and raising.
For example, you have A 
7 and the flop was Q 
7 
4 , and someone in late position bet after you checked.
Now the turn card is an Ace, making the board Q 7 4 A .
You should strongly consider a check and raise here.
The flop bettor probably either has a Queen or a 7.
If the flop bettor had not raised before the flop, then it’s unlikely he has an Ace and a Queen.
If you check, then he’ll probably bet and you can raise.
If he had raised before the flop, you should probably not check-raise here.
The risk of his holding something like A 
Q is just too great and you should just check and call.
Entering a Public Cardroom / The Play of the Game / The First Betting Round
