Maybe this is obvious?

Often enough I will see someone at the 0.10$ tables tossing in 1$ or more at about every second hand preflop.

Or put in mathematical terms, when everybody has around 100 BB and a maniac opens every 2nd Pot for 10+BB what do we do?

Just avoid the player and occasionally move in on him with AA & KK?

Don't call him pf much. If he can fold, bluff 3bet him. If not, just overvalue hands like AJ+ and get your money in pf vs him.

Mark

Once you see a better-sized sample of hands or number of times per orbit he's doing this, you can determine a range for him ... is he AT/pp+ .... is he any ace/connector over 78 plus ... is he any suited, etc etc etc and start reraising strong when you're ahead of the lower 50% of his range.

I like this post.

Basically the answer is quite simple and one that is true of most all poker problems - adjust to you're situation.

Say this dude is raising to 10BBs every time when folded too with 100BB stacks, work out what range is going to be profitable to 3-bet him with for value and three bet him with it, i wouldn't bluff 3-bet at all cause someone who raises to 10BBs a lot generally isn't the type of guy who likes the fold button.

A lot depends on your relative position as well, say he opens UTG and you are UTG+1, you have to be very careful here because a lot of your hands will be a favourite over his range but with 7 players left to act you face problems playing marginal hands.

For general advice, i'd say try to isolate him a lot IN POSITION and play your strongish hands V his range very fast, and don't forget to remember the players still left to act could make your life tough if you deicded to play a marginal hand V his raise.

I like calling OOP when I know it's going to be a HU pot and check raising against these guys with right flop texture.

I think this is just terrible terrible advice.

Really, you don't want to be trying to call people OOP who raise 10X and then randomly check raise bluff them for half your stack, people who raise 10X at $10NL are people who you should not want to bluff.

Sorry didn't see the 10x BB part.... nevermind.

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I like to limp/reraise with the villain sitting on our left.
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http://no-limit-holdem.wikidot.com/

I was actually playing like this earlier today just to test the waters. The maniacs profit rely's on people overcalling their hands, but not offering him any resistance. You should really look to see if he's position aware and trying to play well post flop in large pots. If he's not this type of player is great to get the money in light against.... if he is this type of player and is using position, I fancy limp-raising or re-stealing when he makes these raises *in* position, and get out of the way when he does do it OOP, because he's using his image to his advantage to extract huge value.

Either way, just remove the word call from your playbook when playing against these guys. 3 bet them to death and don't be afraid to stack off with marginal hands preflop. 88+ and AJo+ is good enough. Sometimes he'll show up with a monster, sometimes he'll show up with SC's so don't be discouraged or afraid to reload and go to war again.

I think that some good points have been made by other posters.

Another thing to bear in mind is that the pot does not have to be just you against him - Be wary of people acting after you. It's great to 3-bet back at him if he is raising liberally and often but not if we run into a 3rd party who has AA.

So, if we are acting late we can loosen up and bring in some of the strat mentioned above. But if early or in middle it may not even be the original raiser we end up playing against.

In my experience micro stakes tables tend to cave in the face of maniacs. If you 3-bet you're not going to be called/or re-raised lightly by others behind you. I don't mind 3-betting TT and folding to a re-raise if I know the re-raise is ALWAYS AA or KK.