QQ vs A4s: Odds & Interactive Calculator

HandWinTieEquity
QQ (Pocket Queens)66.9%0.4%67.1%
A4s (Ace-Four Suited)32.7%0.4%32.9%

How QQ vs A4s unfolds by street

Pocket Queens (QQ) is still ahead on 80% of flops against A4s, and the lead survives to the turn on 75%. A4s takes the lead on the other 20% of flops. These figures come from full board enumeration, not a simulation.

StreetQQ still aheadA4s flipped the lead
Flop80%20%
Turn75%25%

QQ vs A4s is a lopsided race — only one of A4s's cards is an overcard to the pair. QQ wins 66.9%, A4s wins 32.7%, and 0.4% of boards chop. With roughly half the outs of a true two-overcard flip, A4s is a clear 2.0-to-1 dog that usually needs to pair its live card (or find a sneaky straight/two-pair runout) to win.

At a final table the raw 67.1% / 32.9% split is only half the story — ICM bends it. As the 32.9% underdog, A4s pays an extra survival premium, so the chip-EV "close enough" call can be a clear ICM fold. The pure equity sets the floor; the payout ladder sets the real price.

In practice, QQ vs A4s rewards aggression from the favorite and caution from the dog: QQ wants to realize its 66.9% edge by getting value and denying free cards, while A4s should lean on fold equity and position rather than hoping to win the pot at showdown about 1 time in 3.

QQ vs A4s FAQ

Who wins QQ vs A4s preflop?

QQ (Pocket Queens) is the favorite, winning 66.9% of all runouts, while A4s (Ace-Four Suited) wins 32.7%. The remaining 0.4% are split pots. Counting splits as half, QQ's preflop equity is 67.1%.

Does the QQ vs A4s probability change all-in preflop?

No. Once both hands are all-in preflop the odds are set by the cards alone — position, stack size and who bet first change nothing. The only thing that moves the number is suits: QQ's equity runs from 66.8% to 67.4% depending on how many suits the two hands share, which is why different sites quote slightly different figures. It does change once board cards are dealt (QQ leads on 80% of flops) and in multiway pots, where every extra caller takes equity from both hands.

Is QQ vs A4s a good spot to get all-in?

For QQ, yes — a 67.1% favorite should happily commit, especially with fold equity. For A4s at 32.9%, it depends on the price: enough to continue with initiative, but thin enough that stacking off out of position is usually a leak.

Does QQ hold up against A4s after the flop?

QQ is still ahead on 80% of flops and stays ahead through the turn on 75% of boards; A4s takes the lead on the other 20% of flops. These are exact figures from full board enumeration.

Run any matchup in the free equity calculator · KK VS AQ · KK VS AJ · QQ VS AJ · QQ VS KJ · KK VS AT · QQ VS AT

QQ against a range

All-in against one known hand is the textbook case; at the table QQ is usually up against a range. Exact equities, computed over every combo with card removal applied:

All 200+ hand-vs-range matchups →