6
votes
Accepted
Most possible outs on river. And you are behind
If you're looking for the most outs whilst needing to improve, it's 25:
Hero
6⋄7⋄
Villain 2⋄2♥
Board 4♥4⋄5⋄9♣
8 diamonds
6 ...
- 350
6
votes
Accepted
What are the odds of drawing the idiot end of the straight flush on the flop
In order for two people flopping a straight flush we need:
a connected three straight flop, all cards having the same suit. No cards can be lower than a three or higher than a queen.
player 1 ...
- 2,804
5
votes
What's the Probability of hitting the board on the Turn or the River
When facing an "at least one of" problem, you can't just add probabilities. You have to calculate the probability of missing everything, then subtract from one.
Assuming 47 unknown cards, 6 of which ...
- 3,972
5
votes
Why is AK vs 22 a coinflip?
22 vs AK is a "coinflip" (or just a "flip") because there is approximately an equal chance of either hand winning, just like the equal chance of either side of a coin coming up when flipped. In ...
- 1,564
5
votes
Confused about pot odds
Here is another way to look at it:
Gained if you call and win: 30+50 = 80
Lost if you call and lose: 50
Your Equity = 0.36
EV = Equity(Gained when win) + (1-Equity)(Lost when lose)
EV = 0.36(80) + (1-...
- 166
5
votes
Accepted
Is there a calculator that shows what my "potential" odds are?
If you have an android phone you can download "Poker calculator", logo is a clover as you can see topleft.
It is a great app. It supports hold 'em but also 4 and 5 card omaha high and omaha high/low....
- 2,804
4
votes
Accepted
What are the odds of a at least a certain amount of aces being dealt depending on the number of players?
These are the chances (assuming you have no ace):
These are valid only preflop assuming that there are 50 cards left in the deck (you are holding 2) and you are one of the players (2 players = 1 ...
- 561
4
votes
Accepted
What's the Probability of hitting the board on the Turn or the River
Sometimes during play you want a quicker method that isn't 100% but gives you very close percentages.
The rule of 2 and 4.
If you have 2 cards left to reveal (ie the turn & river) then you ...
- 585
4
votes
What are the odds?
From a probability perspective, you can think of this as two events: the first being each of the five player getting dealt a pocket pair, and the second dealing five cards that match those pocket ...
- 141
4
votes
Accepted
What's wrong with my equity calculation?
At first, I thought, OK, lets quickly answer this, returning the favor. But it turned out to be a rather tricky one! One online calculator gives 48.18%, the other 48.28%, off by 0.1%, already very ...
- 56
4
votes
Accepted
Worst possible matchup pre flop
K♠K♥ vs. K♦2♠ (and the other equivalent combinations--those with different suits, as long as the suit of the deuce matches one of the opposing kings). About a 19-1 dog.
- 3,972
4
votes
Pre-flop decision making factors
Nice question and I think the factors you are considering are by far the most important ones to remember. However I'd also say remember, as you also mentioned, the position of players who raised ...
- 4,906
3
votes
Accepted
When taking pot odds into account after the flop, use chance of hitting with next two cards, or just the next card
This depends on number of things you have to consider, not only the direct odds.
What I mean:
The pure odds you calculate should be used if you expect your opponent to check the turn and you see free ...
- 64
3
votes
5 cards draw odds
This answer assumes you have no additional knowledge of the opponent's cards. You have five cards in your hand. Of those, three are spades and two are not spades, so you need two more spades to ...
- 3,918
3
votes
When taking pot odds into account after the flop, use chance of hitting with next two cards, or just the next card
That depends on what you're contemplating, and what you think future action will be. For example, if you're contemplating a bet that will put you or your opponent all in, then the odds of the next two ...
- 3,972
3
votes
Pocket Aces at a 8-10 Player Table
Frisbee's answer is correct. But it only answers for eight players (although the other numbers are hidden in that table). Since the OP asked for 8-10, I will add the answers for nine and ten players.
...
- 1,053
3
votes
Why is AK vs 22 a coinflip?
A coin flip is when the chances of either hand winning are about 50%, the same as a coin flip coming up heads or tails. Most players consider anything in the range of 45-55% as being a coin flip, ...
- 1,322
3
votes
Why is AK vs 22 a coinflip?
22 is ahead. 22 does not need to improve to win.
22 only needs to improve if AK improves and only then does 22 need to hit one of its outs (redraw). 22 only has 2 outs but it will make a set ...
- 6,921
3
votes
Accepted
Running it twice, odds calculation
Welcome to Poker.SE!
Your instinct to multiply is not incorrect, but I think there are some subtleties to the calculation which you might have missed.
There are 990 (COMBIN(45,2)) possible turn/...
- 1,564
3
votes
How do I calculate the odds my best hand is better than any possible hand an opponent can make?
You can use a poker calculator. A very good one in my opinion is the following:
http://www.propokertools.com/simulations
You can fill in the particular board and your particular hand and simulate ...
- 2,804
3
votes
Chances of an opponent not having a flush on 3-flush board
This is quite difficult to answer without making some assumptions. You could just calculate the chances of your opponent having a hand with a maximum of one heart based on the known and unknown cards, ...
- 1,564
3
votes
Drawing and pot odds
So in this case let's first count our outs.
We have 8 cards that can make us our open ended straight draw, we also have another 7 cards that will make us our flush. So a total of 15. We know of our ...
- 4,906
3
votes
Quads sevens 5 times in one night
I will have to get technical, sorry.
There are 35 possible ways to make quad sevens. They are all equally likely. You can get this number by writing out all possibilities like this:
XXXXOOO
XXXOXOO
...
- 2,804
3
votes
Worst possible matchup for aces pre-flop in pot limit omaha
As to your main question, I couldn't come up with anything where hand 2 would have more than the 53.18 win % that you show. However, if you're looking at straight equity for hand 1, consider the ...
- 1,948
3
votes
Accepted
Calculating poker odds without knowing opponents cards
Grinch91 is correct.
The standard statistical approach is to treat every down card as an unknown card. A folded (mucked) hand is no different than a hand not dealt.
On a table of 6 if 4 fold you ...
- 6,921
3
votes
What are the odds of drawing the idiot end of the straight flush on the flop
Start with flopping a straight flush. The odds are 1 / 64974.
The only way to flop the idiot end is:
xx345
xx456
xx567
xx678
xx789
xx89T
xx9TJ
xxTJQ
Then all 4 suits. So there are 32 possible ...
- 6,921
3
votes
Additional Odds for Flush Draw, by hitting two paris or three of a kind, as well - How to calculate Runner-Runner?
Usually runner-runner probability is so low that it won't affect the consideration of pot odds. Thus, in most cases, realistically, you calculate the direct odds. The only exception would be runner-...
- 798
3
votes
Pot Odds in "The Mathematics of Poker" Example 4.3
They're playing limit hold'em. That pot size means the SB folded, BB checked and the other player. 15$ from the SB, 30$ from the BB and 30$ from the other player. Limit hold'em or fixed-limit hold'em ...
- 4,906
2
votes
What are the odds of flopping a straight flush with 62s?
Out of possible 19,600 flops, which is C(50,3), you can only have 1 to flop the Straight Flush, that is 3,4,5 of your holecards' suit. Thus the probability of flopping SF with 62s is 1/19600.
- 76
2
votes
Why is it easier to make a flush than a straight with four cards already matching?
Overall it is about twice as hard to make a flush compared to a straight.
probability
Yes the last mile might be easier for a flush but the first 4 miles are harder.
A flush draw has 9 outs (13-4). ...
- 6,921
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