Re: Can someone please explain the 2 4 rule in holdem
With 1 card to come, your # of outs multiplied by 2 is your chances of hitting that card expressed in %. It is off by 1-2% but it's close. For example a flush draw with 9 outs has about a 9*2=18% chance of coming in on the river (in actuality it is 19.56%). With 2 cards to come you multiply by 4. So the flush draw is now 9*4=36%.
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