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Poker Odds Quiz
This is the poker maths that actually comes up at the table, and every percentage in the answers is computed from the deck rather than estimated: a nine-out flush draw from the flop, the same draw with one card to come, an open-ender, a gutshot, how often a pocket pair flops a set, how often you are dealt aces, how often your two cards are suited, and the equity a pot-sized bet needs you to have. There are 8 questions; scoring is instant, and submitting reveals an explanation under every one of them — the ones you got right included.
The questions
You hold a pocket pair preflop. How often do you flop a set (or better)?
You flop a flush draw (9 outs). What's your chance of completing it by the river?
Same flush draw, but you've now seen the turn and missed. What's your chance on the river alone?
You flop an open-ended straight draw (8 outs). Chance of hitting by the river?
Villain bets the size of the pot on the river. What equity do you need for a break-even call?
How often are you dealt pocket aces?
How often are your two hole cards suited?
You have a gutshot straight draw (4 outs) on the flop. Chance of hitting by the river?
8 questions left.
Where these answers come from. Odds are computed from the deck rather than estimated (a 9-out flush draw from the flop is 1 − (38/47)(37/46) = 35.0%).
Rules, betting rounds, and the vocabulary — the Poker 101 checkpoint.
Which hand wins, kickers, split pots, and playing the board.
Opening ranges, blind defense, and why position decides everything.
Run any spot from this quiz yourself.