KJo vs KTo: preflop equity

If KJo and KTo get all the chips in before the flop, KJo owns 72.90% of the pot in the long run and KTo owns 27.10%.

KJo

72.90%

Wins 68.97%, ties 7.86%

KTo

27.10%

Wins 23.17%, ties 7.86%

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

KJo against KTo: the numbers

Exact preflop results for KJo against KTo, in percent
HandWinsTiesLosesEquity
KJo68.9697.85523.17672.896
KTo23.1767.85568.96927.104

The matchup is offsuit hands on both sides, KJo against KTo. Sharing a rank is the signature of a dominated hand, since the weaker hand is usually out-kicked when the shared rank shows up.

KJo is well ahead, and KTo needs a specific kind of board to catch up. Ties are 7.86% of the outcomes here; each tied board gives both hands half the pot.

For context, KJo sits at number 26 of 169 starting hands and KTo at number 33 when each is run against a random hand.

Boards behind the percentages: 184,928,832 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KJo127,544,00014,526,00042,859,000
KTo42,859,00014,526,000127,544,000

The board total is exact, 108 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

KJo against KTo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KJo2.6891.4504.3150.372
KTo0.3724.3151.4502.689

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, KJo peaks at 84.27% on low rainbow flops (nine high or lower) and bottoms out at 68.14% on monotone flops. KJo stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

KJo against KTo by flop texture, in percent
FlopShare of flopsKJo winsTiesKTo winsKJo equity
Rainbow, ten or higher23.27567.8855.87926.23670.825
Rainbow, nine or lower7.77182.4083.72513.86784.270
Two-tone46.47770.8555.26323.88273.486
Monotone5.14465.1895.89228.91968.135
Paired17.33360.46419.89319.64370.410

Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank.

Compared with a random hand

A random hand would give KJo 60.57% and KTo 59.74%. Against each other the change is +12.33 points for KJo and -32.64 for KTo.

KJo and KTo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KJo, all flops72.89660.569+12.3271.20352
KJo, rainbow, ten or higher70.82560.569+10.2561.16933
KJo, rainbow, nine or lower84.27060.569+23.7011.39131
KJo, two-tone73.48660.569+12.9171.21326
KJo, monotone68.13560.569+7.5661.12492
KJo, paired70.41060.569+9.8411.16248
KTo, all flops27.10459.739-32.6350.45371
KTo, rainbow, ten or higher29.17559.739-30.5640.48837
KTo, rainbow, nine or lower15.73059.739-44.0090.26331
KTo, two-tone26.51459.739-33.2250.44383
KTo, monotone31.86559.739-27.8740.53340
KTo, paired29.59059.739-30.1490.49532

Does a shared suit matter?

Looking only at deals where the hands share a suit, KJo has 73.00%; looking only at deals where they do not, 72.53%. KJo does better with a shared suit, by 0.47 points.

KJo against KTo by suit overlap, in percent
DealsSpecific dealsShare of dealsKJo winsTiesKTo winsKJo equity
Share a suit8477.7869.0577.88723.05673.000
No shared suit2422.2268.6617.74323.59672.533

How often this matchup comes up

Counting specific cards, KJo against KTo appears in 108 of the 1,624,350 ordered heads-up deals (0.0066%), and in 216 when the seats are swapped too (0.0133%).

A worked example

Say each player puts $100 in before the flop, making a $200 pot. On average KJo takes back $145.80 of it, which is $45.80 more than it put in, and KTo takes back $54.20, $45.80 less than it put in.

Out of 1,000 deals you should see around 690 outright wins for KJo, 232 for KTo, and 78 split pots.

The same matchup from the other side

The reversed view, KTo against KJo, shows 27.10% for KTo and 72.90% for KJo. It is the same count, so it redirects here.

Open the calculator with KsJh against KdTc already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking.

How this was computed

This is an exact count with no sampling. For the 108 ways to deal one KJo and one KTo without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops.

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

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