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Seven2Offsuit

Preflop matchups

KK vs AKo: preflop equity

KK is a clear favorite over AKo.

KK

vs

AKo

KK wins

69.5%

Tie

0.8%

AKo wins

29.7%

KK has 69.9% equity, which counts a tie as half a win. The numbers are exact: every one of the 1,712,304 possible boards is counted for each suit combination, not simulated. Suits are shown as examples; the result is averaged over every AKo combination that doesn't share a card with KK.

Try it on a board in the Odds Lab

Questions

Who wins more often, KK or AKo?
KK is a clear favorite over AKo. All in before the flop, KK wins 69.5% of the time, AKo wins 29.7% and they tie 0.8%.
What is KK's equity against AKo?
69.9%. Equity counts a tie as half a win, so it is the share of the pot KK takes on average.
Are these odds exact?
Yes. Every one of the 1,712,304 possible five-card boards is counted for each suit combination, so there is no simulation error.