ATs vs KJo: preflop equity

In equity, ATs against KJo stands at 61.84% to 38.16%, a gap of 23.68 points.

ATs

61.84%

Wins 61.61%, ties 0.46%

KJo

38.16%

Wins 37.93%, ties 0.46%

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

ATs against KJo: the numbers

Exact preflop results for ATs against KJo, in percent
HandWinsTiesLosesEquity
ATs61.6060.46437.93061.838
KJo37.9300.46461.60638.162

One side is a suited hand, the other is an offsuit hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

ATs is ahead, but KJo is far from dead: it takes 379 of every 1,000 deals outright. About 0.46% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.

By strength against a random hand, ATs holds place 13 of 169 and KJo holds place 26.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
ATs50,634,000381,00031,175,000
KJo31,175,000381,00050,634,000

Exact total: 48 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.

ATs against KJo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
ATs1.6201.6232.6360.617
KJo0.6172.6361.6231.620

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, ATs peaks at 77.06% on low rainbow flops (nine high or lower) and bottoms out at 54.75% on rainbow flops topped by a ten or better. ATs stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

ATs against KJo by flop texture, in percent
FlopShare of flopsATs winsTiesKJo winsATs equity
Rainbow, ten or higher23.26054.6910.11945.19054.751
Rainbow, nine or lower7.77076.5960.92822.47677.060
Two-tone46.66761.4530.29338.25461.599
Monotone5.21256.6832.38240.93557.874
Paired17.09166.1220.60833.27066.426

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

Start from the random-hand figures, 64.60% for ATs and 60.57% for KJo. This opponent changes them by -2.76 and -22.41 points.

ATs and KJo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
ATs, all flops61.83864.602-2.7640.95721
ATs, rainbow, ten or higher54.75164.602-9.8510.84751
ATs, rainbow, nine or lower77.06064.602+12.4581.19284
ATs, two-tone61.59964.602-3.0030.95352
ATs, monotone57.87464.602-6.7280.89585
ATs, paired66.42664.602+1.8241.02823
KJo, all flops38.16260.569-22.4070.63006
KJo, rainbow, ten or higher45.24960.569-15.3200.74707
KJo, rainbow, nine or lower22.94060.569-37.6290.37874
KJo, two-tone38.40160.569-22.1680.63400
KJo, monotone42.12660.569-18.4430.69550
KJo, paired33.57460.569-26.9950.55431

Does a shared suit matter?

Looking only at deals where the hands share a suit, ATs has 61.55%; looking only at deals where they do not, 62.13%. ATs does better with no shared suit, by 0.58 points.

ATs against KJo by suit overlap, in percent
DealsSpecific dealsShare of dealsATs winsTiesKJo winsATs equity
Share a suit2450.0061.2980.50438.19861.550
No shared suit2450.0061.9150.42437.66162.127

How often this matchup comes up

This page stands for 48 specific-card matchups (0.0030% of 1,624,350 ordered deals), or 96 once you count the seats both ways (0.0059%).

A worked example

Say each player puts $100 in before the flop, making a $200 pot. On average ATs takes back $123.68 of it, which is $23.68 more than it put in, and KJo takes back $76.32, $23.68 less than it put in.

Per 1,000 deals: ATs wins about 616, KJo wins about 379, and about 5 end in a split pot.

The same matchup from the other side

KJo versus ATs is this same page seen from the other hand: 38.16% for KJo, 61.84% for ATs.

Open the calculator with AsTs against KhJd 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

Method: exact enumeration. The 48 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board.

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

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