Hand odds / AT vs KK

AT vs KK: odds and equity

In short

KK wins 70.8% of the time against ATo all in before the flop, ATo wins 28.8%, and they split the pot 0.4% of the time. KK is a clear favourite, about 3 to 1. With ATs vs KK the split is 32.6% to 67.4% in equity.

ATo

29.0%

vs

KK

71.0%

Equity: win% plus half of the 0.4% split pots. KK is a clear favourite, about 3 to 1.

Every suit combination

MatchupHand 1 winsHand 2 winsSplitHand 1 equity
ATs vs KK32.4%67.2%0.4%32.6%
ATo vs KK28.8%70.8%0.4%29.0%

What the flop does to it

When no A or 10 comes on the flop (76.3% of flops), KK has 79.4% equity going to the turn. When one does, KK drops to 44.0%.

With one card above and one below, ATo needs its higher card to come or a straight or flush to get there.

When this all-in happens in push/fold

At 10BB in 6-max, the Button shoves ATo always and the Big Blind calls with KK always, so this exact all-in comes straight off the charts.

How often each hand shoves or calls in our solved 6-max chip-EV charts. A row with both columns high is a spot where this exact all-in is correct for both players. See every chart.

Common questions

Who is the favourite, AT or KK?
KK. All in preflop it has 71.0% equity against ATo: 70.8% wins plus half of the 0.4% split pots. That's a clear favourite, about 3 to 1.
Do suits change the odds?
A little. ATs vs KK is 32.6% to 67.4%; ATo vs KK is 29.0% to 71.0%. Suited hands make more flushes, which is worth a few percent.
What happens on the flop?
When no A or 10 comes on the flop (76.3% of flops), KK has 79.4% equity going to the turn. When one does, KK drops to 44.0%.
When does AT vs KK happen in push/fold?
At 10BB in 6-max, the Button shoves ATo always and the Big Blind calls with KK always, so this exact all-in comes straight off the charts.
How were these odds worked out?
By counting every possible five-card board for every combination of suits: 72 card combinations for ATo vs KK, 1,712,304 boards each. The numbers are exact, not simulated.

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