Quote:
Originally Posted by Lampshade151
As someone who plays live, what are the poker mathematics - odds and calculations - that everyone playing seriously should know inside and out?
Probably the first two that you need for post-flop play are the chances of making straights and flushes if you have a draw on the flop.
If you have a naked flush draw (no overcards for top pair potential) then you have 9 outs. You'll make a flush on the turn about 19% of the time, and by the river about 35% of the time.
With an open-ended straight draw, you have 8 outs, which gives you about a 17% chance of spiking the turn, and a 31% chance of getting there by the river.
You have to compare your chances of making a hand with the odds that the pot lays, while also figuring in implied odds.
DiamondDog did a whole series on this:
http://forumserver.twoplustwo.com/32...poker-1164777/
There's lots of other stuff on poker probabilities at
http://en.wikipedia.org/wiki/Poker_p...xas_hold_%27em) with the section on "after the flop" probably being most relevant.