[trojanrabbit]

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4 to 1 pot odds means call if you expect to win hand at least 20% of time. So, if you have 6 high on river you probably shouldnt call because you wont win 20% of time.

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Yeah, when you're facing a distribution of hands, this is how you should think about it. Pot odds dictate that you should be calling with hands that have a certain chance of winning, not that you should call a certain % of the time.

The situation you're thinking of when you need to call a certain % of the time is when you've got a made hand and he has a draw that will miss sometimes. You need to call with the made hand a certain % of the time so you won't be taken advantage of when he misses his draw and bluffs. Note that the % could be 0 or 100, depending on the pot odds and how likely you think it is he hit his draw. But there’s no need to call with a busted draw. That’s not part of this scenario.

Tysen