QQ vs A6s: preflop equity

If QQ and A6s get all the chips in before the flop, QQ owns 68.12% of the pot in the long run and A6s owns 31.88%.

QQ

68.12%

Wins 67.93%, ties 0.38%

A6s

31.88%

Wins 31.69%, ties 0.38%

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

QQ against A6s: the numbers

Exact preflop results for QQ against A6s, in percent
HandWinsTiesLosesEquity
QQ67.9290.38131.69068.119
A6s31.6900.38167.92931.881

QQ, a pocket pair, plays A6s, a suited hand. One of the other hand's cards outranks the pair and one is below it, which makes this a closer race than a pair against two small cards.

QQ is the clear favorite, though A6s gets there on roughly one board in 3. About 0.38% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.

Among the 169 starting hands, QQ is number 3 and A6s is number 31 by strength against a random hand.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QQ27,916,000157,00013,023,000
A6s13,023,000157,00027,916,000

The total is exact: 24 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 A6s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QQ2.1371.4723.1560.468
A6s0.4683.1561.4722.137

In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity.

Who is ahead on which flops

By flop texture, QQ's equity runs from 63.56% on monotone flops up to 75.33% on low rainbow flops (nine high or lower). QQ stays ahead on all five textures.

QQ against A6s by flop texture, in percent
FlopShare of flopsQQ winsTiesA6s winsQQ equity
Rainbow, ten or higher23.86767.8710.12132.00867.931
Rainbow, nine or lower7.04274.8181.02424.15875.330
Two-tone46.54566.1820.30333.51566.334
Monotone5.21262.3592.39735.24463.558
Paired17.33471.5740.08328.34371.615

Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank.

Compared with a random hand

Against one random hand instead, QQ holds 79.93% and A6s holds 59.91%. Facing each other changes that by -11.81 points for QQ and -28.03 points for A6s.

QQ and A6s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QQ, all flops68.11979.925-11.8060.85229
QQ, rainbow, ten or higher67.93179.925-11.9940.84993
QQ, rainbow, nine or lower75.33079.925-4.5950.94251
QQ, two-tone66.33479.925-13.5910.82995
QQ, monotone63.55879.925-16.3670.79522
QQ, paired71.61579.925-8.3100.89603
A6s, all flops31.88159.906-28.0250.53218
A6s, rainbow, ten or higher32.06959.906-27.8370.53532
A6s, rainbow, nine or lower24.67059.906-35.2360.41181
A6s, two-tone33.66659.906-26.2400.56198
A6s, monotone36.44259.906-23.4640.60832
A6s, paired28.38559.906-31.5210.47383

Does a shared suit matter?

When the hands share a suit, QQ holds 68.42%; when they do not, it holds 67.82%. QQ does better with a shared suit, by 0.60 points.

QQ against A6s by suit overlap, in percent
DealsSpecific dealsShare of dealsQQ winsTiesA6s winsQQ equity
Share a suit1250.0068.2080.42331.36968.420
No shared suit1250.0067.6490.33932.01267.819

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 24 are QQ in one seat and A6s in the other (0.0015%); with the seats swapped too, 48 (0.0030%).

A worked example

Worked example: both players commit $100, so $200 sits in the middle. Over every board, QQ's average share is $136.24 (a gain of $36.24) and A6s' is $63.76 (a loss of $36.24).

Run 1,000 deals and the tally comes out near 679 for QQ, 317 for A6s and 4 ties.

The same matchup from the other side

One page covers both views. From A6s' side the equity is 31.88%, and from QQ's side it is 68.12%.

Open the calculator with QsQh against Ad6d 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 24 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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