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Heads Up Play

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MessagePosté le: Sam 17 Oct - 11:19 (2009)    Sujet du message: Heads Up Play Répondre en citant

Aggression and Hand Selection
If I had to choose one word to describe heads-up poker strategy, it would be "aggression"; but there's more to it than that.
Let's take a step back and look at a full 10-handed table. The blinds hit you every 10 hands and you could essentially make a profit from playing a tight-aggressive style, and little more. Of course your opposing players will catch on to your super-tight style, so you would have to switch it up every so often, but essentially you could make a profit from playing solely top-10 hands. As you move to 6-handed, the blinds hit you more frequently - every 6 hands now - and you have to adjust your starting hand requirements to make up for it. Playing a tight-aggressive style isn't enough anymore since you won't be getting those premium hands often enough, or getting paid off enough with them, to counter the blinds hitting you at an increased rate. On top of that, if you're playing attentive players, they should soon catch on to the fact that you're playing premium hands-only, and you'll have a harder time getting paid off. You have to widen your pre-flop hand selection to include lesser hands to make up for getting hit by the blinds so often. Now as you move to heads-up play with only two players at a table, you have to be playing most if not every hand dealt to you. You will be contributing at least a small blind's worth every hand, and to make up for that you have to play with loose starting hand requirements.

On top of all this, most tournament situations that you will be in are probably going to be low-M situations, essentially meaning you'll be playing with a small stack-size to blind ratio, which adds even more pressure. Not only should you be limping a lot more, but by raising with most of your hands, you'll be putting extra pressure on your opponent, thus increasing the chances that you will win the blinds and antes. You should be raising any face card, and any pair, calling with everything else, and reraising with premium hands and medium pairs. You also will have to mix your play up occasionally to keep your opponents guessing aswell, and I'd suggest occasionally limping with a strong hand or raising with a weaker one. Of course every hand is unique, and the rules I'm laying out for you don't apply to every situation. If you're raised by an absolute rock of a player, then you might reconsider reraising with 77, for example. The guidelines I give serve the purpose of giving you a good idea of how to play versus your average online player. Unless you're facing a naturally hyper-aggressive player (which isn't uncommon), your opponent will probably be playing a little too tight, and you have to take advantage of that.

Since most of the time neither player will even pair the flop or even the board, post-flop aggression is also important. Middle and bottom pairs are often enough to win a hand, and top pair is often enough to stack off with. Any hand better than top pair should be treated like gold, and you should try to get as much money in the middle with it as possible. Preflop, the value of certain hands also changes. Suited connectors and small suited cards, ideal for multi-way, limped pots which give good drawing poker odds, have now lost a lot of their value. The actual card values should have more of an impact on your decision rather than the fact that the cards are suited or not. The value of pairs also increases.
A tight player might as well be defined as a weak player when heads-up. I can't stress this enough: aggression is key in heads-up play. Even a hand as weak as 32 off-suit should be limped in with if your opponent is consistently not raising when you do; if not for the sake of looser starting hand requirements, then for the sake of our next topic: pot odds.
Pot Odds
Considering pot odds strictly, it is incorrect to fold your small blind pre-flop. Of course, poker isn't played strictly through pot odds, and this example holds true only if your opponent has not been consistently raising you when you limp from the small-blind. As an example, let's consider a tournament situation:
With the blinds at $100/$200 and a $25 ante, the pot starts at $100 + $200 + $25 + $25 = $350.
With you in the small-blind and first to act, it's $100 to call into a $350 pot, giving you 3.5:1 pot odds. Those odds are good enough to call with any hand, even with a lowly 32 as I mentioned. Even in a tournament with no antes, you'd still be getting 3:1 which is plenty good enough to call; so based on the pot odds alone, it is never correct to fold preflop. But poker is never that simple; if you've noticed that your opponent likes to steal, and you have seen him or her raise several times from the big-blind after you've limped from the small-blind, then you have to adjust your play. You can no longer limp with any two cards, and should dump the lesser hands. You'll have to use your judgement as to the range of hands you can limp with based on how aggressive your opponent is being.
Getting a read on your opponent is much more valuable headsup since you'll be playing every hand with him. Getting solid notes such as "over-bet pot with weak hand", "folds to 4+ BB raise" or "bet pot when checked to multiple times" will give you a huge edge in a game, assuming your opponent isn't observant to the same degree as you. Pay close attention, and adjust your game accordingly. Since your opponents won’t be completely unobserving, you should try to switch your game up an use your past play to your advantage, and to eliminate recognizable patterns in your game. For example, say you've been raising constantly from the small-blind, and you can tell you put your opponent on tilt. He's all but ready to shove what's remaining of his chips in the middle. You're on the small-blind again, and look down to find AA staring right back at you. Here would be a perfect situation to raise it up just like you've done the last while, and hope he has a smaller pair or something like KJ and feels like taking a stand with it.
Position should also be a huge factor in your decisions. With position on a player, you have the advantage of seeing his move before you have to make yours, and thus you will be making your decisions on every street with more information available to you than your opponent has available to him. In heads-up play, the big-blind will be out of position for the whole hand, save preflop. This gives the small-blind a huge advantage. If the pot odds for limping from the small-blind were somehow insufficient to call, it would probably still be theoretically correct to limp because you would have position for the remainder of the hand, making up for any disadvantage that poor preflop pot-odds would give you.

This positional advantage for the small-blind, and the positional disadvantage the big-blind has to deal with also affects how much you should be betting preflop. At a full table, the normal raise is 3-5 big-blinds. There is usually dead money in the pot from blinds, antes and possible limpers, and so your raise has to be big enough not to give favourable odds to a potential caller. Coupled with the number of players, and therefore number of possible hands that could beat you should you let them see a cheap flop, a bigger raise to isolate or win the pot immediately is the best option. Heads up, there is very little dead money in the pot, and only 2 players. This changes the size that the ideal bet range should be. It's been mentioned in more advanced strategy books that the ideal raise from the small-blind is to 2-3 big-blinds, but with the changes (and loose play) that online poker has brought, I suggest raising it to 2.5-4 big-blinds. That size of raise will be giving your opponent at best 2.33:1 odds.

You don't exactly want a call while holding J9 in the small-blind, and a minraise (2 big-blinds total) is going to be irresistible for your average online player regardless of his holding. With that said, your raise from the big-blind should be much different. As I mentioned, you'll be at the disadvantage of being out of position the rest of the hand, and you'll need to raise much more preflop to counter that by making sure you won't have to make difficult decisions on later streets. You want to either end the hand preflop, or end it with a solid continuation-bet on the flop should your opponent call your preflop bet. I'd suggest a range of 3-5 big-blinds on top of your already-posted blind. A raise of that size gives your opponent at best 1.67:1 odds; poor enough to make up for your positional disadvantage, and it will hopefully push out the weaker hands. Of course again, this is just strategy, and the situation you find yourself in could be one where your opponent is willing to cold-call 10 big-blinds, so you'd have to adjust your strategy accordingly. Every situation is unique.

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MessagePosté le: Sam 17 Oct - 11:19 (2009)    Sujet du message: Publicité

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