KK vs QJo: preflop equity

Averaged over every possible board, KK is ahead of QJo by 72.88 points of equity, 86.44% to 13.56%.

KK

86.44%

Wins 86.23%, ties 0.41%

QJo

13.56%

Wins 13.36%, ties 0.41%

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

KK against QJo: the numbers

Exact preflop results for KK against QJo, in percent
HandWinsTiesLosesEquity
KK86.2330.41013.35786.438
QJo13.3570.41086.23313.562

KK is a pocket pair and QJo is an offsuit hand. Here a pair faces two cards that are both smaller, so the other hand needs to pair up and still be behind.

That is a heavy lead: QJo needs the board to help it on most runouts and still falls behind far more often than not. A split pot comes up on 0.41% of boards, so the wins and the equity differ by half of that.

For context, KK sits at number 2 of 169 starting hands and QJo at number 39 when each is run against a random hand.

Boards behind the percentages: 123,285,888 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KK106,313,000505,00016,467,000
QJo16,467,000505,000106,313,000

72 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand.

KK against QJo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KK6.3741.1607.4870.157
QJo0.1577.4871.1606.374

In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity.

Who is ahead on which flops

Split by what the flop looks like, KK peaks at 94.93% on low rainbow flops (nine high or lower) and bottoms out at 81.02% on monotone flops. KK stays ahead on all five textures.

KK against QJo by flop texture, in percent
FlopShare of flopsKK winsTiesQJo winsKK equity
Rainbow, ten or higher23.26083.7830.11316.10483.839
Rainbow, nine or lower7.77194.2931.2704.43794.928
Two-tone46.48585.8050.38513.81085.998
Monotone5.15180.1411.75018.10981.016
Paired17.33388.8640.09211.04488.910

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

Start from the random-hand figures, 82.40% for KK and 58.14% for QJo. This opponent changes them by +4.04 and -44.58 points.

KK and QJo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KK, all flops86.43882.396+4.0421.04906
KK, rainbow, ten or higher83.83982.396+1.4431.01751
KK, rainbow, nine or lower94.92882.396+12.5321.15209
KK, two-tone85.99882.396+3.6021.04372
KK, monotone81.01682.396-1.3800.98325
KK, paired88.91082.396+6.5141.07906
QJo, all flops13.56258.135-44.5730.23328
QJo, rainbow, ten or higher16.16158.135-41.9740.27799
QJo, rainbow, nine or lower5.07258.135-53.0630.08725
QJo, two-tone14.00258.135-44.1330.24085
QJo, monotone18.98458.135-39.1510.32655
QJo, paired11.09058.135-47.0450.19076

Does a shared suit matter?

The suit split reads 86.59% for KK with a shared suit and 85.68% without one. KK does better with a shared suit, by 0.91 points.

KK against QJo by suit overlap, in percent
DealsSpecific dealsShare of dealsKK winsTiesQJo winsKK equity
Share a suit6083.3386.3760.42613.19886.589
No shared suit1216.6785.5180.33014.15285.683

How often this matchup comes up

You will meet this exact matchup 0.0089% of the time in a random heads-up deal: 144 of 1,624,350, counting either seat order.

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. KK is worth $172.88 on average (+$72.88); QJo is worth $27.12 (-$72.88).

Run 1,000 deals and the tally comes out near 862 for KK, 134 for QJo and 4 ties.

The same matchup from the other side

The reversed view, QJo against KK, shows 13.56% for QJo and 86.44% for KK. It is the same count, so it redirects here.

Try KsKh against QdJc 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

Each figure is a complete count over boards. Take the 72 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops.

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

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