QQ vs KJo: preflop equity

Dealt all in against each other, QQ takes 71.54% of the pot on average and KJo takes the other 28.46%.

QQ

71.54%

Wins 71.34%, ties 0.41%

KJo

28.46%

Wins 28.25%, ties 0.41%

Equity counts a tie as half a win. Exact over every board.

QQ against KJo: the numbers

Exact preflop results for QQ against KJo, in percent
HandWinsTiesLosesEquity
QQ71.3350.41128.25471.541
KJo28.2540.41171.33528.459

QQ is a pocket pair and KJo is an offsuit hand. One of the other hand's cards outranks the pair and one is below it, which makes this a closer race than a pair against two small cards.

QQ is the clear favorite, though KJo gets there on roughly one board in 4. A split pot comes up on 0.41% of boards, so the wins and the equity differ by half of that.

Ranked by equity against a random hand, QQ is number 3 of the 169 starting hands and KJo is number 26.

Boards behind the percentages: 123,285,888 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QQ87,946,000507,00034,833,000
KJo34,833,000507,00087,946,000

The board total is exact, 72 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

QQ against KJo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QQ2.5141.4023.5390.398
KJo0.3983.5391.4022.514

The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call.

Who is ahead on which flops

Split by what the flop looks like, QQ peaks at 85.65% on low rainbow flops (nine high or lower) and bottoms out at 66.51% on rainbow flops topped by a ten or better. QQ stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

QQ against KJo by flop texture, in percent
FlopShare of flopsQQ winsTiesKJo winsQQ equity
Rainbow, ten or higher23.26066.4480.11333.43966.505
Rainbow, nine or lower7.77185.0181.27013.71285.653
Two-tone46.48570.5940.38529.02170.787
Monotone5.15165.8641.75032.38666.739
Paired17.33375.3710.09924.53075.420

Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank.

Compared with a random hand

A random hand would give QQ 79.93% and KJo 60.57%. Against each other the change is -8.39 points for QQ and -32.11 for KJo.

QQ and KJo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QQ, all flops71.54179.925-8.3840.89510
QQ, rainbow, ten or higher66.50579.925-13.4200.83209
QQ, rainbow, nine or lower85.65379.925+5.7281.07167
QQ, two-tone70.78779.925-9.1380.88567
QQ, monotone66.73979.925-13.1860.83502
QQ, paired75.42079.925-4.5050.94363
KJo, all flops28.45960.569-32.1100.46986
KJo, rainbow, ten or higher33.49560.569-27.0740.55301
KJo, rainbow, nine or lower14.34760.569-46.2220.23687
KJo, two-tone29.21360.569-31.3560.48231
KJo, monotone33.26160.569-27.3080.54914
KJo, paired24.58060.569-35.9890.40582

Does a shared suit matter?

When the hands share a suit, QQ holds 71.58%; when they do not, it holds 71.37%. The two rows differ by only 0.21 points, so suits barely change this matchup.

QQ against KJo by suit overlap, in percent
DealsSpecific dealsShare of dealsQQ winsTiesKJo winsQQ equity
Share a suit6083.3371.3610.42728.21271.575
No shared suit1216.6771.2060.33128.46371.371

How often this matchup comes up

Counting specific cards, QQ against KJo appears in 72 of the 1,624,350 ordered heads-up deals (0.0044%), and in 144 when the seats are swapped too (0.0089%).

A worked example

Put $100 each into a $200 pot and deal every board once: QQ averages $143.08 back, ahead of its $100 by $43.08, while KJo averages $56.92, short of its $100 by $43.08.

Over a long run, 1,000 deals split into about 713 for QQ, 283 for KJo and 4 tied.

The same matchup from the other side

One page covers both views. From KJo's side the equity is 28.46%, and from QQ's side it is 71.54%.

Try QsQh against KdJc in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking.

How this was computed

All 1,712,304 five-card boards are dealt for every suit pattern among the 72 specific deals of QQ against KJo, and both hands are scored on each. That is a full count, so the percentages are exact. Ties are half a win each, and each board appears once per flop it contains.

Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.

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