Poker Math That Matters

Double Gutter (aka Double Belly Buster) – You can fill in one
card to make a straight in two spots. Sometimes these are hard to
see and take some experience to catch quickly. Here we need
either an 8 or a 4 to complete our straight. We have eight outs to
our straight.
Hero: 6♠7♠
Villain: A♣K♦
Board: K♥5♦9♣3♠
Four-flush (aka Flush draw) – You have four cards of a single
suit and need one more. Here we need a spade to complete our
flush. We have nine outs to the flush.
Hero: 6♠7♠
Villain: A♣K♦
Board: K♠2♠Q♥
Open-ended straight flush draw (abbreviated as OESFD) – You
not only have four cards of a single suit, you also have four cards
in a row and can hit a straight on either end. Here we need either
a 5, a T or a spade. We have 15 outs to a straight or flush. This
is a very powerful draw and will often win the pot more than
50% of the time from the flop to the river when your opponent
has a pair.
Hero: 6♠7♠
Villain: A♣K♦
Board: K♣8♠9♠
Soon, many of these will become ingrained in your mind, and
you won’t even have to think about them. Also, many times
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