A3s vs 97s: preflop equity

Over all 1,712,304 boards that can follow this deal, A3s finishes with 55.91% of the pot and 97s with 44.09%.

A3s

55.91%

Wins 55.66%, ties 0.51%

97s

44.09%

Wins 43.83%, ties 0.51%

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

A3s against 97s: the numbers

Exact preflop results for A3s against 97s, in percent
HandWinsTiesLosesEquity
A3s55.6550.50843.83755.909
97s43.8370.50855.65544.091

Two suited hands meet here: A3s against 97s. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

A3s is ahead, but 97s is far from dead: it takes 438 of every 1,000 deals outright. About 0.51% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.

For context, A3s sits at number 38 of 169 starting hands and 97s at number 94 when each is run against a random hand.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
A3s15,248,000139,00012,010,000
97s12,010,000139,00015,248,000

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.

A3s against 97s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
A3s1.2681.7972.2810.789
97s0.7892.2811.7971.268

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

If you know the kind of flop that came, the numbers shift: A3s holds 61.55% on paired flops and 38.12% on low rainbow flops (nine high or lower). The overall edge for A3s hides low rainbow flops (nine high or lower), where 97s comes out in front.

A3s against 97s by flop texture, in percent
FlopShare of flopsA3s winsTies97s winsA3s equity
Rainbow, ten or higher25.22058.6870.22141.09258.797
Rainbow, nine or lower5.68937.8180.59561.58738.115
Two-tone46.72754.5680.26545.16754.701
Monotone5.27351.9993.42844.57353.713
Paired17.09161.2170.66938.11461.552

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

How much does the opponent matter? Compared with its random-hand 58.22%, A3s changes by -2.31 points, and 97s, from 49.12%, by -5.03.

A3s and 97s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
A3s, all flops55.90958.220-2.3110.96031
A3s, rainbow, ten or higher58.79758.220+0.5771.00991
A3s, rainbow, nine or lower38.11558.220-20.1050.65467
A3s, two-tone54.70158.220-3.5190.93956
A3s, monotone53.71358.220-4.5070.92259
A3s, paired61.55258.220+3.3321.05723
97s, all flops44.09149.118-5.0270.89765
97s, rainbow, ten or higher41.20349.118-7.9150.83886
97s, rainbow, nine or lower61.88549.118+12.7671.25993
97s, two-tone45.29949.118-3.8190.92225
97s, monotone46.28749.118-2.8310.94236
97s, paired38.44849.118-10.6700.78277

Does a shared suit matter?

Does suit overlap move the numbers? A3s has 57.63% when the hands share a suit and 55.34% when they do not. A3s does better with a shared suit, by 2.29 points.

A3s against 97s by suit overlap, in percent
DealsSpecific dealsShare of dealsA3s winsTies97s winsA3s equity
Share a suit425.0057.3330.58942.07857.627
No shared suit1275.0055.0950.48244.42355.336

How often this matchup comes up

Exactly 16 specific deals fit this matchup in one seat order, which is 0.0010% of 1,624,350; both orders together give 32, or 0.0020%.

A worked example

Take a $200 pot built from $100 each. A3s' equity of 55.91% is worth $111.82, a $11.82 edge, and 97s' 44.09% is worth $88.18, which is $11.82 under its stake.

Per 1,000 deals: A3s wins about 557, 97s wins about 438, and about 5 end in a split pot.

The same matchup from the other side

97s versus A3s is this same page seen from the other hand: 44.09% for 97s, 55.91% for A3s.

Open the calculator with As3s against 9h7h 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

The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 16 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows.

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

Bring your own hands to a session

Review the spots you actually play against these numbers in a Game Assessment, and leave with a one-page written plan.

Book a session