AA vs A6s: preflop equity

If AA and A6s get all the chips in before the flop, AA owns 88.23% of the pot in the long run and A6s owns 11.77%.

AA

88.23%

Wins 87.78%, ties 0.91%

A6s

11.77%

Wins 11.31%, ties 0.91%

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

AA against A6s: the numbers

Exact preflop results for AA against A6s, in percent
HandWinsTiesLosesEquity
AA87.7780.90911.31388.232
A6s11.3130.90987.77811.768

The matchup pits a pocket pair against a suited hand. The non-pair hand shares a rank with the pair, so two of its outs for pairing are blocked by the pair itself.

AA is a big favorite here before anyone sees a flop. About 0.91% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.

By strength against a random hand, AA holds place 1 of 169 and A6s holds place 31.

Boards behind the percentages: 20,547,648 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AA18,036,000187,0002,325,000
A6s2,325,000187,00018,036,000

12 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.

AA against A6s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AA7.4981.1398.8390.133
A6s0.1338.8391.1397.498

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

Split by what the flop looks like, AA peaks at 93.38% on rainbow flops topped by a ten or better and bottoms out at 77.90% on monotone flops. AA stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

AA against A6s by flop texture, in percent
FlopShare of flopsAA winsTiesA6s winsAA equity
Rainbow, ten or higher23.74092.8621.0316.10793.377
Rainbow, nine or lower7.04286.1761.05412.77086.703
Two-tone46.23686.3180.93112.75186.783
Monotone5.15176.8632.07221.06577.899
Paired17.83188.5810.29411.12588.728

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

A random hand would give AA 85.20% and A6s 59.91%. Against each other the change is +3.03 points for AA and -48.14 for A6s.

AA and A6s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AA, all flops88.23285.204+3.0281.03554
AA, rainbow, ten or higher93.37785.204+8.1731.09592
AA, rainbow, nine or lower86.70385.204+1.4991.01759
AA, two-tone86.78385.204+1.5791.01853
AA, monotone77.89985.204-7.3050.91426
AA, paired88.72885.204+3.5241.04136
A6s, all flops11.76859.906-48.1380.19644
A6s, rainbow, ten or higher6.62359.906-53.2830.11056
A6s, rainbow, nine or lower13.29759.906-46.6090.22196
A6s, two-tone13.21759.906-46.6890.22063
A6s, monotone22.10159.906-37.8050.36893
A6s, paired11.27259.906-48.6340.18816

Does a shared suit matter?

AA and A6s never overlap in suit in a legal deal, so the whole matchup sits in the no-shared-suit row.

AA against A6s by suit overlap, in percent
DealsSpecific dealsShare of dealsAA winsTiesA6s winsAA equity
Share a suit00.00not possiblenot possiblenot possiblenot possible
No shared suit12100.0087.7780.90911.31388.232

How often this matchup comes up

The class pair covers 12 combinations of specific cards in a fixed seat order, 0.0007% of 1,624,350, and 24 (0.0015%) in either order.

A worked example

With $100 from each side, the $200 pot is split on average as $176.46 for AA and $23.54 for A6s; the first side gains $76.46 per all-in and the second gives up $76.46.

Scaled to 1,000 deals, that is roughly 878 wins for AA, 113 for A6s and 9 chopped pots.

The same matchup from the other side

Read it from the other side: A6s against AA is the same matchup with the numbers swapped, so A6s holds 11.77% and AA holds 88.23%. That address sends you back to this page.

Try AsAh against Ad6d in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking.

How this was computed

Method: exact enumeration. The 12 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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