JJ vs AK: who is ahead?
Pocket jacks beat ace-king about 56% of the time when the chips go in preflop.
JJ
AK
By suits
Everyone hates jacks, but this is the matchup they were built for. Against ace-king the jacks sit a shade over 56%, marginally better than queens manage, because the jacks make more straights of their own that ace-king does not block. The hand only becomes miserable postflop, when an ace or king arrives on the board and turns the pair into a guessing game. Getting jacks in preflop against the big-card hands is not reckless. It converts the hardest pair to play into a simple race you are winning.
Quick tip: The famous line that there are three ways to play jacks and all of them are wrong is a joke about flops. Preflop, jacks are simply strong.
All numbers are all-in preflop equity vs one opponent, computed by the Poker Shark equity engine from the full 169 by 169 hand matrix, weighted across suited and offsuit combos.
Common questions
JJ vs AK: who is ahead? +
Pocket jacks beat ace-king about 56% of the time when the chips go in preflop. Exactly measured, JJ has 56.1% equity against AK all-in preflop, computed with the Poker Shark equity engine. Broken out by suits: JJ wins 54% against AKs, JJ wins 56.9% against AKo.
What are the odds in JJ vs AK? +
JJ is roughly a 1.3-to-1 favorite over AK preflop, winning 56.1% of the time to 43.9%.
Do the suits change JJ vs AK? +
Only a little. Across the suited and offsuit combinations, JJ equity ranges from 54% to 56.9% against AK.
How to play these hands
Know the number? Now win the spot.
Practice these exact collisions against opponents who get it in wrong, and learn to punish them.
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