A6s vs 53s: preflop equity

In equity, A6s against 53s stands at 62.75% to 37.25%, a gap of 25.50 points.

A6s

62.75%

Wins 62.46%, ties 0.57%

53s

37.25%

Wins 36.97%, ties 0.57%

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

A6s against 53s: the numbers

Exact preflop results for A6s against 53s, in percent
HandWinsTiesLosesEquity
A6s62.4610.57436.96562.748
53s36.9650.57462.46137.252

Two suited hands meet here: A6s against 53s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

The lead is steady rather than large, and the flop still has plenty of say in who wins. Ties are part of the picture: 0.57% of boards end in a split pot, and each side counts that as half a win.

A6s ranks number 31 of 169 starting hands, and 53s ranks number 146, by equity against a random hand.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
A6s17,112,000157,00010,127,000
53s10,127,000157,00017,112,000

16 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.

A6s against 53s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
A6s1.6841.6012.7050.594
53s0.5942.7051.6011.684

The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call.

Who is ahead on which flops

By flop texture, A6s' equity runs from 48.18% on low rainbow flops (nine high or lower) up to 66.38% on paired flops. Watch for low rainbow flops (nine high or lower): on those flops 53s holds the better equity.

A6s against 53s by flop texture, in percent
FlopShare of flopsA6s winsTies53s winsA6s equity
Rainbow, ten or higher25.22065.9320.25533.81366.059
Rainbow, nine or lower5.68947.7410.87851.38148.180
Two-tone46.72761.6080.32938.06361.772
Monotone5.27357.7373.56438.69959.519
Paired17.09166.0300.69033.28066.375

Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank.

Compared with a random hand

Each hand has a baseline against a random hand: 59.91% for A6s, 39.69% for 53s. Here the change is +2.84 and -2.44 points.

A6s and 53s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
A6s, all flops62.74859.906+2.8421.04744
A6s, rainbow, ten or higher66.05959.906+6.1531.10271
A6s, rainbow, nine or lower48.18059.906-11.7260.80426
A6s, two-tone61.77259.906+1.8661.03115
A6s, monotone59.51959.906-0.3870.99354
A6s, paired66.37559.906+6.4691.10799
53s, all flops37.25239.693-2.4410.93850
53s, rainbow, ten or higher33.94139.693-5.7520.85509
53s, rainbow, nine or lower51.82039.693+12.1271.30552
53s, two-tone38.22839.693-1.4650.96309
53s, monotone40.48139.693+0.7881.01985
53s, paired33.62539.693-6.0680.84713

Does a shared suit matter?

Looking only at deals where the hands share a suit, A6s has 65.13%; looking only at deals where they do not, 61.96%. A6s does better with a shared suit, by 3.17 points.

A6s against 53s by suit overlap, in percent
DealsSpecific dealsShare of dealsA6s winsTies53s winsA6s equity
Share a suit425.0064.8000.65134.54965.125
No shared suit1275.0061.6820.54837.77061.956

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 16 are A6s in one seat and 53s in the other (0.0010%); with the seats swapped too, 32 (0.0020%).

A worked example

Put $100 each into a $200 pot and deal every board once: A6s averages $125.50 back, ahead of its $100 by $25.50, while 53s averages $74.50, short of its $100 by $25.50.

Run 1,000 deals and the tally comes out near 624 for A6s, 370 for 53s and 6 ties.

The same matchup from the other side

One page covers both views. From 53s' side the equity is 37.25%, and from A6s' side it is 62.75%.

As6s against 5h3h 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

Nothing here is simulated. The 16 deals of A6s against 53s fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops.

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

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