AQs vs KTs: preflop equity

In equity, AQs against KTs stands at 61.46% to 38.54%, a gap of 22.92 points.

AQs

61.46%

Wins 61.21%, ties 0.51%

KTs

38.54%

Wins 38.28%, ties 0.51%

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

AQs against KTs: the numbers

Exact preflop results for AQs against KTs, in percent
HandWinsTiesLosesEquity
AQs61.2060.51438.28061.463
KTs38.2800.51461.20638.537

Here suited hands face each other, AQs on one side and KTs on the other. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

That is a modest edge, the kind that shows up over many hands and is easy to miss in one. The tie share is 0.51%: on those boards the pot is chopped and neither hand wins outright.

The hand ranking puts AQs at 10 and KTs at 22 out of 169 starting hands.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AQs16,769,000141,00010,488,000
KTs10,488,000141,00016,769,000

The total is exact: 16 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand.

AQs against KTs read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AQs1.5951.6342.6120.627
KTs0.6272.6121.6341.595

The final column gives the least the pot must offer for each unit called for a call to break even at this equity.

Who is ahead on which flops

Split by what the flop looks like, AQs peaks at 73.31% on low rainbow flops (nine high or lower) and bottoms out at 57.53% on rainbow flops topped by a ten or better. AQs stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

AQs against KTs by flop texture, in percent
FlopShare of flopsAQs winsTiesKTs winsAQs equity
Rainbow, ten or higher23.13857.4760.10842.41657.530
Rainbow, nine or lower7.77172.8330.96026.20773.313
Two-tone46.72760.4180.28039.30260.558
Monotone5.27356.6443.41739.93958.353
Paired17.09164.5330.60434.86364.835

A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank.

Compared with a random hand

Relative to a random opponent, AQs changes by -4.75 points (baseline 66.21%) and KTs by -23.25 points (baseline 61.79%).

AQs and KTs here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AQs, all flops61.46366.209-4.7460.92832
AQs, rainbow, ten or higher57.53066.209-8.6790.86892
AQs, rainbow, nine or lower73.31366.209+7.1041.10730
AQs, two-tone60.55866.209-5.6510.91465
AQs, monotone58.35366.209-7.8560.88135
AQs, paired64.83566.209-1.3740.97925
KTs, all flops38.53761.789-23.2520.62369
KTs, rainbow, ten or higher42.47061.789-19.3190.68734
KTs, rainbow, nine or lower26.68761.789-35.1020.43191
KTs, two-tone39.44261.789-22.3470.63833
KTs, monotone41.64761.789-20.1420.67402
KTs, paired35.16561.789-26.6240.56911

Does a shared suit matter?

Split by suits, the deals give AQs 63.77% when the hands overlap in a suit and 60.69% when they do not. AQs does better with a shared suit, by 3.08 points.

AQs against KTs by suit overlap, in percent
DealsSpecific dealsShare of dealsAQs winsTiesKTs winsAQs equity
Share a suit425.0063.4730.59335.93463.770
No shared suit1275.0060.4500.48839.06260.694

How often this matchup comes up

You will meet this exact matchup 0.0020% of the time in a random heads-up deal: 32 of 1,624,350, counting either seat order.

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. AQs averages $122.92 from the $200, up $22.92; KTs averages $77.08, down $22.92.

Scaled to 1,000 deals, that is roughly 612 wins for AQs, 383 for KTs and 5 chopped pots.

The same matchup from the other side

KTs versus AQs is this same page seen from the other hand: 38.54% for KTs, 61.46% for AQs.

Open the calculator with AsQs against KhTh 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

All 1,712,304 five-card boards are dealt for every suit pattern among the 16 specific deals of AQs against KTs, 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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