QQ vs ATo: preflop equity

Dealt all in against each other, QQ takes 71.26% of the pot on average and ATo takes the other 28.74%.

QQ

71.26%

Wins 71.06%, ties 0.39%

ATo

28.74%

Wins 28.55%, ties 0.39%

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

QQ against ATo: the numbers

Exact preflop results for QQ against ATo, in percent
HandWinsTiesLosesEquity
QQ71.0630.38528.55271.255
ATo28.5520.38571.06328.745

We compare a pocket pair with an offsuit hand. The pair is ahead of one card and behind the other, so the board decides how that plays out.

A lead of 42.52 points is large but not decisive: ATo still takes about 285 of every 1,000 deals. Of every 100 boards, about 0.39 are split pots, and the equity figures already include them.

Among the 169 starting hands, QQ is number 3 and ATo is number 19 by strength against a random hand.

Boards behind the percentages: 123,285,888 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QQ87,611,000475,00035,201,000
ATo35,201,000475,00087,611,000

The total is exact: 72 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.

QQ against ATo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QQ2.4791.4073.5020.403
ATo0.4033.5021.4072.479

The last column is the smallest pot odds, written as a pot-to-call ratio, at which a call breaks even with this equity.

Who is ahead on which flops

Across the five flop textures QQ's equity moves by 16.32 points, from 66.58% on monotone flops to 82.90% on low rainbow flops (nine high or lower). QQ stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

QQ against ATo by flop texture, in percent
FlopShare of flopsQQ winsTiesATo winsQQ equity
Rainbow, ten or higher23.26066.9550.15032.89567.030
Rainbow, nine or lower7.77182.3771.03916.58482.897
Two-tone46.48570.3330.35729.31070.511
Monotone5.15165.7161.73132.55366.581
Paired17.33375.0470.08324.87075.089

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, QQ changes by -8.67 points (baseline 79.93%) and ATo by -33.98 points (baseline 62.72%).

QQ and ATo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QQ, all flops71.25579.925-8.6700.89152
QQ, rainbow, ten or higher67.03079.925-12.8950.83866
QQ, rainbow, nine or lower82.89779.925+2.9721.03718
QQ, two-tone70.51179.925-9.4140.88221
QQ, monotone66.58179.925-13.3440.83304
QQ, paired75.08979.925-4.8360.93949
ATo, all flops28.74562.722-33.9770.45829
ATo, rainbow, ten or higher32.97062.722-29.7520.52565
ATo, rainbow, nine or lower17.10362.722-45.6190.27268
ATo, two-tone29.48962.722-33.2330.47015
ATo, monotone33.41962.722-29.3030.53281
ATo, paired24.91162.722-37.8110.39717

Does a shared suit matter?

Does suit overlap move the numbers? QQ has 71.29% when the hands share a suit and 71.09% when they do not. The two rows differ by only 0.20 points, so suits barely change this matchup.

QQ against ATo by suit overlap, in percent
DealsSpecific dealsShare of dealsQQ winsTiesATo winsQQ equity
Share a suit6083.3371.0890.40128.51071.289
No shared suit1216.6770.9320.30528.76371.085

How often this matchup comes up

You will meet this exact matchup 0.0089% of the time in a random heads-up deal: 144 of 1,624,350, counting either seat order.

A worked example

Put $100 each into a $200 pot and deal every board once: QQ averages $142.52 back, ahead of its $100 by $42.52, while ATo averages $57.48, short of its $100 by $42.52.

Scaled to 1,000 deals, that is roughly 711 wins for QQ, 285 for ATo and 4 chopped pots.

The same matchup from the other side

If you came looking for ATo against QQ, the numbers are the same with the hands swapped: 28.74% and 71.26%.

Open the calculator with QsQh against AdTc 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

The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 72 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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