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Seven2Offsuit

Preflop matchups

QQ vs JJ: preflop equity

QQ is a big favorite over JJ.

QQ

vs

JJ

QQ wins

81.7%

Tie

0.4%

JJ wins

17.8%

QQ has 82.0% 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 JJ combination that doesn't share a card with QQ.

Try it on a board in the Odds Lab

Questions

Who wins more often, QQ or JJ?
QQ is a big favorite over JJ. All in before the flop, QQ wins 81.7% of the time, JJ wins 17.8% and they tie 0.4%.
What is QQ's equity against JJ?
82.0%. Equity counts a tie as half a win, so it is the share of the pot QQ 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.