AQs vs 53s: preflop equity

Before any board card is dealt, AQs holds 62.68% equity against 53s, which leaves 53s with 37.32%.

AQs

62.68%

Wins 62.40%, ties 0.56%

53s

37.32%

Wins 37.04%, ties 0.56%

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

AQs against 53s: the numbers

Exact preflop results for AQs against 53s, in percent
HandWinsTiesLosesEquity
AQs62.3960.56437.04062.678
53s37.0400.56462.39637.322

The matchup is suited hands on both sides, AQs against 53s. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

A 25.36 point lead is real, and 53s still takes about 370 of every 1,000 deals outright. Ties are part of the picture: 0.56% of boards end in a split pot, and each side counts that as half a win.

Place 10 of 169 belongs to AQs and place 146 belongs to 53s in the ranking against a random hand.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AQs17,095,000155,00010,148,000
53s10,148,000155,00017,095,000

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.

AQs against 53s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AQs1.6791.6032.7000.595
53s0.5952.7001.6031.679

The final column gives the least the pot must offer for each unit called for a call to break even at this equity.

Who is ahead on which flops

Rainbow flops topped by a ten or better are the best for AQs (69.29%); low rainbow flops (nine high or lower) are the worst (37.07%). The overall edge for AQs hides low rainbow flops (nine high or lower), where 53s comes out in front.

AQs against 53s by flop texture, in percent
FlopShare of flopsAQs winsTies53s winsAQs equity
Rainbow, ten or higher24.59569.2030.18230.61569.294
Rainbow, nine or lower6.31436.5411.04962.41037.065
Two-tone46.72761.6610.32338.01661.823
Monotone5.27357.9913.56638.44359.774
Paired17.09165.5180.66533.81765.851

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

Against one random hand instead, AQs holds 66.21% and 53s holds 39.69%. Facing each other changes that by -3.53 points for AQs and -2.37 points for 53s.

AQs and 53s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AQs, all flops62.67866.209-3.5310.94667
AQs, rainbow, ten or higher69.29466.209+3.0851.04659
AQs, rainbow, nine or lower37.06566.209-29.1440.55982
AQs, two-tone61.82366.209-4.3860.93376
AQs, monotone59.77466.209-6.4350.90281
AQs, paired65.85166.209-0.3580.99459
53s, all flops37.32239.693-2.3710.94027
53s, rainbow, ten or higher30.70639.693-8.9870.77359
53s, rainbow, nine or lower62.93539.693+23.2421.58554
53s, two-tone38.17739.693-1.5160.96181
53s, monotone40.22639.693+0.5331.01343
53s, paired34.14939.693-5.5440.86033

Does a shared suit matter?

Split by suits, the deals give AQs 64.98% when the hands overlap in a suit and 61.91% when they do not. AQs does better with a shared suit, by 3.07 points.

AQs against 53s by suit overlap, in percent
DealsSpecific dealsShare of dealsAQs winsTies53s winsAQs equity
Share a suit425.0064.6580.64434.69864.980
No shared suit1275.0061.6410.53737.82261.910

How often this matchup comes up

AQs against 53s is made up of 16 specific-card matchups in one seat order, 0.0010% of the 1,624,350 ordered deals, and 32 counting both seat orders, 0.0020%.

A worked example

Take a $200 pot built from $100 each. AQs' equity of 62.68% is worth $125.36, a $25.36 edge, and 53s' 37.32% is worth $74.64, which is $25.36 under its stake.

A thousand deals look like this: AQs takes 624, 53s takes 370, 6 are ties.

The same matchup from the other side

One page covers both views. From 53s' side the equity is 37.32%, and from AQs' side it is 62.68%.

Open the calculator with AsQs against 5h3h 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

Each figure is a complete count over boards. Take the 16 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops.

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

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