AJo vs A6s: preflop equity

In equity, AJo against A6s stands at 68.60% to 31.40%, a gap of 37.20 points.

AJo

68.60%

Wins 65.01%, ties 7.17%

A6s

31.40%

Wins 27.82%, ties 7.17%

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

AJo against A6s: the numbers

Exact preflop results for AJo against A6s, in percent
HandWinsTiesLosesEquity
AJo65.0127.17227.81668.598
A6s27.8167.17265.01231.402

One side is an offsuit hand, the other is a suited hand. Because the hands share one rank, the one with the higher kicker is ahead when that rank pairs and the other hand is mostly drawing.

AJo is well ahead, and A6s needs a specific kind of board to catch up. A split pot comes up on 7.17% of boards, so the wins and the equity differ by half of that.

Ranked by equity against a random hand, AJo is number 15 of the 169 starting hands and A6s is number 31.

Boards behind the percentages: 61,642,944 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AJo40,075,0004,421,00017,147,000
A6s17,147,0004,421,00040,075,000

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.

AJo against A6s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AJo2.1851.5383.5950.458
A6s0.4583.5951.5382.185

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

Split by what the flop looks like, AJo peaks at 76.09% on rainbow flops topped by a ten or better and bottoms out at 56.00% on low rainbow flops (nine high or lower). AJo stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

AJo against A6s by flop texture, in percent
FlopShare of flopsAJo winsTiesA6s winsAJo equity
Rainbow, ten or higher23.90573.3825.42121.19776.092
Rainbow, nine or lower7.04254.5892.82342.58856.001
Two-tone46.52765.4524.58829.96067.746
Monotone5.19260.9065.62833.46663.720
Paired17.33457.75318.75323.49467.129

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

The table below sets each hand against its own random-hand baseline: a change of +5.04 points for AJo, from 63.56%, and -28.51 for A6s, from 59.91%.

AJo and A6s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AJo, all flops68.59863.563+5.0351.07921
AJo, rainbow, ten or higher76.09263.563+12.5291.19711
AJo, rainbow, nine or lower56.00163.563-7.5620.88103
AJo, two-tone67.74663.563+4.1831.06581
AJo, monotone63.72063.563+0.1571.00247
AJo, paired67.12963.563+3.5661.05610
A6s, all flops31.40259.906-28.5040.52419
A6s, rainbow, ten or higher23.90859.906-35.9980.39909
A6s, rainbow, nine or lower43.99959.906-15.9070.73447
A6s, two-tone32.25459.906-27.6520.53841
A6s, monotone36.28059.906-23.6260.60562
A6s, paired32.87159.906-27.0350.54871

Does a shared suit matter?

When the hands share a suit, AJo holds 69.43%; when they do not, it holds 68.18%. AJo does better with a shared suit, by 1.25 points.

AJo against A6s by suit overlap, in percent
DealsSpecific dealsShare of dealsAJo winsTiesA6s winsAJo equity
Share a suit1233.3365.7917.27526.93469.429
No shared suit2466.6764.6227.12128.25768.183

How often this matchup comes up

AJo against A6s 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

Take a $200 pot built from $100 each. AJo's equity of 68.60% is worth $137.20, a $37.20 edge, and A6s' 31.40% is worth $62.80, which is $37.20 under its stake.

Out of 1,000 deals you should see around 650 outright wins for AJo, 278 for A6s, and 72 split pots.

The same matchup from the other side

One page covers both views. From A6s' side the equity is 31.40%, and from AJo's side it is 68.60%.

Try AsJh 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

We counted every case. Each suit pattern of the 36 specific AJo against A6s deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops.

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

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