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Seven2Offsuit

Preflop matchups

KK vs QQ: preflop equity

KK is a big favorite over QQ.

KK

vs

QQ

KK wins

81.7%

Tie

0.5%

QQ wins

17.8%

KK has 81.9% 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 QQ 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 QQ?
KK is a big favorite over QQ. All in before the flop, KK wins 81.7% of the time, QQ wins 17.8% and they tie 0.5%.
What is KK's equity against QQ?
81.9%. 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.