
Originally Posted by
cardsfan04
Very broad question, so hard to give a good answer, but I'll give it a go.
Whenever you 3bet (or bet in any form really), you should have a reason. You shouldn't do it just to do it or based on the strength of your hand. You want to have a goal for the bet (and your hand strength generally determines this goal).
Several reasons to 3bet:
1. The most common reason is to get value. If you ahve a good hand, it makes sense to play a big pot, so you raise (not because you have a good hand), but to build a pot. The size you should raise depends on how you think your opponent will react. Some people view big raises as bluffs or only pretty strong hands (i.e. AQ/99) and small raises as bigger hands like AA/KK. Others might see a small raise as you leaving yourself room to fold and a bigger raise as you saying that you're not going anywhere. You determine how they will interpret your raise based on how you have played hands in the past and how they have responded in similar situations.
2. Sometimes you should raise for fold equity. This part is far more complex than the first reason to 3bet. The first one is fairly straight forward as you are playing the strength of your hand. But, when you raise for fold equity, you are raising both the strength of your hand AND the strength of your opponents' hand. Don't get me wrong, the percieved strength of your opponent's hand factors into raising for value. But, it is the main focus of this point.
You should always range your opponent when he raises and deciding on an action. Putting him on AK because he raised (if you've played live, you have heard this line before) is just dumb. Your range doesn't have to be exact, but you need to have a pretty good idea. It's not too difficult to figure out if they are raising a wide range based on just observing their tendencies. People who rarely raise, often have a hand when they raise. People who raise often sometimes have a hand, but also have hands like 78 frequently too. The wider range you give them, the wider range you should 3bet. That's a pretty solid fundamental of 3betting IMO. But, you also need to take into consideration how often they fold to a 3bet. If somebody raises a really wide range, but calls 100% of the time they are 3bet, 3betting them w/ air is pretty counterproductive.
I hate making rules for something like this, but I'll try to give some very GENERAL guidelines for it:
- if you have a big hand, and you think your opponent has a big hand, you should 3bet instead of slowplay (assuming you think your big hand is bigger)
- if you have a big hand and you think your opponent has a marginal hand, you should consider slowplaying
- if you have a marginal hand and you think your opponent has a big hand, you should consider folding
- if you have a marginal hand and you thinkg your opponent has a marginal hand, you should consider 3betting IF your opponent might fold to a raise
These are very very very general guidelines and don't even come close to doing justice to all of the factors you should consider. But, they are fundamentally correct.
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