AQs vs 86s: preflop equity

Before any board card is dealt, AQs holds 62.22% equity against 86s, which leaves 86s with 37.78%.

AQs

62.22%

Wins 61.99%, ties 0.47%

86s

37.78%

Wins 37.54%, ties 0.47%

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

AQs against 86s: the numbers

Exact preflop results for AQs against 86s, in percent
HandWinsTiesLosesEquity
AQs61.9910.46537.54462.223
86s37.5440.46561.99137.777

Two suited hands meet here: AQs against 86s. 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. Ties are 0.47% of the outcomes here; each tied board gives both hands half the pot.

Place 10 of 169 belongs to AQs and place 110 belongs to 86s in the ranking against a random hand.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AQs16,984,000127,00010,286,000
86s10,286,000127,00016,984,000

Exact total: 16 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.

AQs against 86s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AQs1.6471.6132.6640.607
86s0.6072.6641.6131.647

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

AQs prefers rainbow flops topped by a ten or better, where it holds 69.01%, and likes low rainbow flops (nine high or lower) least, where it holds 36.22%. Watch for low rainbow flops (nine high or lower): on those flops 86s holds the better equity.

AQs against 86s by flop texture, in percent
FlopShare of flopsAQs winsTies86s winsAQs equity
Rainbow, ten or higher24.59568.9480.12430.92869.010
Rainbow, nine or lower6.31435.8740.68563.44136.217
Two-tone46.72761.3870.22038.39361.497
Monotone5.27357.8563.39738.74759.554
Paired17.09164.5540.64134.80564.874

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

Compared with a random opponent, this matchup shifts AQs from 66.21% by -3.99 points and 86s from 46.24% by -8.46 points.

AQs and 86s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AQs, all flops62.22366.209-3.9860.93980
AQs, rainbow, ten or higher69.01066.209+2.8011.04231
AQs, rainbow, nine or lower36.21766.209-29.9920.54701
AQs, two-tone61.49766.209-4.7120.92883
AQs, monotone59.55466.209-6.6550.89948
AQs, paired64.87466.209-1.3350.97984
86s, all flops37.77746.243-8.4660.81692
86s, rainbow, ten or higher30.99046.243-15.2530.67016
86s, rainbow, nine or lower63.78346.243+17.5401.37930
86s, two-tone38.50346.243-7.7400.83262
86s, monotone40.44646.243-5.7970.87464
86s, paired35.12646.243-11.1170.75960

Does a shared suit matter?

Does suit overlap move the numbers? AQs has 64.46% when the hands share a suit and 61.48% when they do not. AQs does better with a shared suit, by 2.98 points.

AQs against 86s by suit overlap, in percent
DealsSpecific dealsShare of dealsAQs winsTies86s winsAQs equity
Share a suit425.0064.1850.54235.27364.456
No shared suit1275.0061.2590.44038.30161.479

How often this matchup comes up

AQs against 86s is made up of 16 specific-card matchups in one seat order, 0.0010% of the 1,624,350 ordered deals, and 32 counting both seat orders, 0.0020%.

A worked example

Take a $200 pot built from $100 each. AQs' equity of 62.22% is worth $124.44, a $24.44 edge, and 86s' 37.78% is worth $75.56, which is $24.44 under its stake.

Per 1,000 deals: AQs wins about 620, 86s wins about 375, and about 5 end in a split pot.

The same matchup from the other side

One page covers both views. From 86s' side the equity is 37.78%, and from AQs' side it is 62.22%.

Open the calculator with AsQs against 8h6h 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 16 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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