AQs vs AQo: preflop equity

Averaged over every possible board, AQs is ahead of AQo by 4.98 points of equity, 52.49% to 47.51%.

AQs

52.49%

Wins 7.16%, ties 90.67%

AQo

47.51%

Wins 2.17%, ties 90.67%

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

AQs against AQo: the numbers

Exact preflop results for AQs against AQo, in percent
HandWinsTiesLosesEquity
AQs7.15890.6692.17352.492
AQo2.17390.6697.15847.508

The first hand is a suited hand; the second is an offsuit hand. Same ranks, different suit pattern: the whole gap comes from flush chances.

With only 4.98 points between them, the board decides this matchup far more than the cards in hand. The tie share is 90.67%: on those boards the pot is chopped and neither hand wins outright.

In the ranking of all 169 starting hands, AQs is number 10 and AQo is number 14.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AQs2,942,00037,261,000893,000
AQo893,00037,261,0002,942,000

24 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand.

AQs against AQo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AQs1.10513.97046.0190.905
AQo0.90546.01913.9701.105

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

If you know the kind of flop that came, the numbers shift: AQs holds 53.28% on two-tone flops and 50.29% on monotone flops. AQs stays ahead on all five textures, and the gap between its best and worst is only 2.99 points, so the shape of the flop hardly changes who is favored.

AQs against AQo by flop texture, in percent
FlopShare of flopsAQs winsTiesAQo winsAQs equity
Rainbow, ten or higher23.1383.26596.7350.00051.633
Rainbow, nine or lower7.7713.40996.5910.00051.705
Two-tone46.3638.82988.9012.27053.280
Monotone5.15218.51363.54417.94350.285
Paired17.5766.20192.6811.11852.541

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

Each hand has a baseline against a random hand: 66.21% for AQs, 64.43% for AQo. Here the change is -13.72 and -16.92 points.

AQs and AQo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AQs, all flops52.49266.209-13.7170.79282
AQs, rainbow, ten or higher51.63366.209-14.5760.77985
AQs, rainbow, nine or lower51.70566.209-14.5040.78094
AQs, two-tone53.28066.209-12.9290.80472
AQs, monotone50.28566.209-15.9240.75949
AQs, paired52.54166.209-13.6680.79356
AQo, all flops47.50864.432-16.9240.73734
AQo, rainbow, ten or higher48.36764.432-16.0650.75067
AQo, rainbow, nine or lower48.29564.432-16.1370.74955
AQo, two-tone46.72064.432-17.7120.72511
AQo, monotone49.71564.432-14.7170.77159
AQo, paired47.45964.432-16.9730.73657

Does a shared suit matter?

A shared suit is impossible for this matchup, so AQs' 52.49% is the answer for every suit pattern.

AQs against AQo by suit overlap, in percent
DealsSpecific dealsShare of dealsAQs winsTiesAQo winsAQs equity
Share a suit00.00not possiblenot possiblenot possiblenot possible
No shared suit24100.007.15890.6692.17352.492

How often this matchup comes up

You will meet this exact matchup 0.0030% of the time in a random heads-up deal: 48 of 1,624,350, counting either seat order.

A worked example

Take a $200 pot built from $100 each. AQs' equity of 52.49% is worth $104.98, a $4.98 edge, and AQo's 47.51% is worth $95.02, which is $4.98 under its stake.

Run 1,000 deals and the tally comes out near 71 for AQs, 22 for AQo and 907 ties.

The same matchup from the other side

Read it from the other side: AQo against AQs is the same matchup with the numbers swapped, so AQo holds 47.51% and AQs holds 52.49%. That address sends you back to this page.

AsQs against AhQd is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength.

How this was computed

The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 24 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows.

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

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