[Village Idiot]

Here is what I use as a general guideline playing heads up.

Heads up approx. 7 out of every 8 hands are battles between unpaired cards.

You will almost always have the odds to call from the small blind.
Say the blinds are 500/1,000

The pot is 1,500 and it costs the small blind 500 to call.
You are getting 3-1 to call.
There are very few hands you will be up against that you will give you odds worse than 3-1 pre flop.
This means you can call with any two cards.

If the big blind raises on you frequently and you have called with 3-2 off then it's a different issue.
See below.

Position matters more. Unless someone gets all in you already know who will have position for the entire hand.
Unlike a larger table where you may be able to get enough people to fold to take position, unless someone goes all in you know what position you will have the entire hand.

Playing the Small Blind per Harrington
At least call from the small blind with any two cards, unless your opponent has been raising frquently from the BB.
Then toss bad hands that are in the bottom 20% of starting hands heads up.
These are,
Suited non-pairs - 82, 73, 72, 63, 62, 53, 52, 43, 42, 32
Unsuited non-pairs - 94-92, 84, 83, 75, 74,73, 72, 65, 64, 63, 62, 54, 53, 52, 43, 42, 32

It's a potential raising hand if you have a hand in the top 40% of starting hands and both players stacks are under 10X (BB+SB+antes).
If both stacks are 10X(BB+SB+antes) or over then any hand in the top 30% is a potential raising hand.

If you call and are raised, then call with any hand in the top 30% of starting hands.

If you call and are reraised all in call with any hand in the top 20%.

If you raise and are reraised call with any pair or any hand in the top 10% of hands.
Harrington states that 80% of reraises are made with 2 high cards, which is why you call with any pair.
You may want to call with the top 20% hands if you are getting odds of 3-1 or better.

If stacks are large compared to the blinds 10X (BB+SB+antes) or better then he says call with 6's or better or AJ or better.

Playing in the Big Blind per Harrington.
You will be out of position so you want to end the hand as fast as possible unless you have a monster and are trying to trap.

If the SB calls and both stacks are 10X or less then raise with the top 30% of hands.
If the stacks are larger then tighten up to the top 20% of hands.

If the SB raises call with any top 30% hand and reraise with any top 20% hand.

If the SB raises all in then call with any top 20% hand.

If he hasn't been raising much, then tighten up to calling with any top 20% hand and reraising with any top 10% hand.

Top 10% Hands
Pairs: AA-66
Suited non-pairs: AK-A8, KQ-KJ
Unsuited non-pairs: AK-AT

Top 20% Hands
All of the above plus
Pairs: 55
Suited non-pairs: A7-A3, KT-K8, QJ, QT
Unsuited non-pairs: A9-A7, KQ-KT, QJ

Top 30% Hands
All of the above plus
Pairs: 44
Suited non-pairs: A2, K7-K5, Q9, Q8, JT, J9
Unsuited non-pairs: A6-A3, K9-K7, QT

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