AQs vs AKo: preflop equity

Averaged over every possible board, AKo is ahead of AQs by 40.24 points of equity, 70.12% to 29.88%.

AQs

29.88%

Wins 27.66%, ties 4.44%

AKo

70.12%

Wins 67.90%, ties 4.44%

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

AQs against AKo: the numbers

Exact preflop results for AQs against AKo, in percent
HandWinsTiesLosesEquity
AQs27.6554.44467.90129.877
AKo67.9014.44427.65570.123

AQs, a suited hand, plays AKo, an offsuit hand. The two hands share a rank, and the one with the better other card dominates: it wins most kicker battles when that shared rank hits.

A lead of 40.24 points is large but not decisive: AQs still takes about 277 of every 1,000 deals. Of every 100 boards, about 4.44 are split pots, and the equity figures already include them.

In the ranking of all 169 starting hands, AQs is number 10 and AKo is number 12.

Boards behind the percentages: 61,642,944 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AQs17,047,0002,739,00041,856,000
AKo41,856,0002,739,00017,047,000

The total is exact: 36 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 AKo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AQs0.4263.6161.4732.347
AKo2.3471.4733.6160.426

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

If you know the kind of flop that came, the numbers shift: AKo holds 81.91% on low rainbow flops (nine high or lower) and 64.65% on monotone flops. AKo stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

AQs against AKo by flop texture, in percent
FlopShare of flopsAQs winsTiesAKo winsAQs equity
Rainbow, ten or higher23.17729.1001.97568.92530.087
Rainbow, nine or lower7.77115.3815.42779.19218.095
Two-tone46.52729.6082.67167.72130.944
Monotone5.19233.3533.98662.66135.346
Paired17.33324.27512.20463.52130.377

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

Start from the random-hand figures, 66.21% for AQs and 65.32% for AKo. This opponent changes them by -36.33 and +4.80 points.

AQs and AKo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AQs, all flops29.87766.209-36.3320.45125
AQs, rainbow, ten or higher30.08766.209-36.1220.45442
AQs, rainbow, nine or lower18.09566.209-48.1140.27330
AQs, two-tone30.94466.209-35.2650.46737
AQs, monotone35.34666.209-30.8630.53385
AQs, paired30.37766.209-35.8320.45880
AKo, all flops70.12365.320+4.8031.07353
AKo, rainbow, ten or higher69.91365.320+4.5931.07032
AKo, rainbow, nine or lower81.90565.320+16.5851.25390
AKo, two-tone69.05665.320+3.7361.05720
AKo, monotone64.65465.320-0.6660.98980
AKo, paired69.62365.320+4.3031.06588

Does a shared suit matter?

Two kinds of deal exist here. In 12 of them the hands share a suit and AKo holds 70.90%. In 24 they do not, and it holds 69.73%. AKo does better with a shared suit, by 1.17 points.

AQs against AKo by suit overlap, in percent
DealsSpecific dealsShare of dealsAQs winsTiesAKo winsAQs equity
Share a suit1233.3326.8414.51468.64529.098
No shared suit2466.6728.0624.40967.52930.266

How often this matchup comes up

AQs against AKo is made up of 36 specific-card matchups in one seat order, 0.0022% of the 1,624,350 ordered deals, and 72 counting both seat orders, 0.0044%.

A worked example

Put $100 each into a $200 pot and deal every board once: AKo averages $140.24 back, ahead of its $100 by $40.24, while AQs averages $59.76, short of its $100 by $40.24.

Over a long run, 1,000 deals split into about 679 for AKo, 277 for AQs and 44 tied.

The same matchup from the other side

One page covers both views. From AKo's side the equity is 70.12%, and from AQs' side it is 29.88%.

The calculator link fills in AsQs against AhKd, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength.

How this was computed

Method: exact enumeration. The 36 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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