AQs vs JTo: preflop equity

Over all 1,712,304 boards that can follow this deal, AQs finishes with 65.03% of the pot and JTo with 34.97%.

AQs

65.03%

Wins 64.80%, ties 0.46%

JTo

34.97%

Wins 34.74%, ties 0.46%

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

AQs against JTo: the numbers

Exact preflop results for AQs against JTo, in percent
HandWinsTiesLosesEquity
AQs64.8010.45834.74165.030
JTo34.7410.45864.80134.970

The matchup pits a suited hand against an offsuit hand. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

AQs is the clear favorite, though JTo gets there on roughly one board in 3. Of every 100 boards, about 0.46 are split pots, and the equity figures already include them.

The hand ranking puts AQs at 10 and JTo at 57 out of 169 starting hands.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AQs53,260,000376,00028,554,000
JTo28,554,000376,00053,260,000

The board total is exact, 48 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

AQs against JTo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AQs1.8601.5432.8780.538
JTo0.5382.8781.5431.860

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

Across the five flop textures AQs' equity moves by 10.56 points, from 60.87% on monotone flops to 71.43% on low rainbow flops (nine high or lower). AQs stays ahead on all five textures.

AQs against JTo by flop texture, in percent
FlopShare of flopsAQs winsTiesJTo winsAQs equity
Rainbow, ten or higher23.26061.4660.11138.42361.522
Rainbow, nine or lower7.77070.9690.91228.11971.425
Two-tone46.66764.9850.28434.73165.127
Monotone5.21259.6782.37537.94760.865
Paired17.09167.5960.61231.79267.902

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

Each hand has a baseline against a random hand: 66.21% for AQs, 55.25% for JTo. Here the change is -1.18 and -20.28 points.

AQs and JTo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AQs, all flops65.03066.209-1.1790.98219
AQs, rainbow, ten or higher61.52266.209-4.6870.92921
AQs, rainbow, nine or lower71.42566.209+5.2161.07878
AQs, two-tone65.12766.209-1.0820.98366
AQs, monotone60.86566.209-5.3440.91929
AQs, paired67.90266.209+1.6931.02557
JTo, all flops34.97055.248-20.2780.63296
JTo, rainbow, ten or higher38.47855.248-16.7700.69646
JTo, rainbow, nine or lower28.57555.248-26.6730.51721
JTo, two-tone34.87355.248-20.3750.63121
JTo, monotone39.13555.248-16.1130.70835
JTo, paired32.09855.248-23.1500.58098

Does a shared suit matter?

Does suit overlap move the numbers? AQs has 64.83% when the hands share a suit and 65.24% when they do not. AQs does better with no shared suit, by 0.41 points.

AQs against JTo by suit overlap, in percent
DealsSpecific dealsShare of dealsAQs winsTiesJTo winsAQs equity
Share a suit2450.0064.5760.49834.92664.825
No shared suit2450.0065.0260.41734.55765.235

How often this matchup comes up

AQs against JTo is made up of 48 specific-card matchups in one seat order, 0.0030% of the 1,624,350 ordered deals, and 96 counting both seat orders, 0.0059%.

A worked example

Worked example: both players commit $100, so $200 sits in the middle. Over every board, AQs' average share is $130.06 (a gain of $30.06) and JTo's is $69.94 (a loss of $30.06).

Over a long run, 1,000 deals split into about 648 for AQs, 347 for JTo and 5 tied.

The same matchup from the other side

JTo against AQs adds nothing new: it is 34.97% for JTo and 65.03% for AQs, the same figures reversed.

The calculator link fills in AsQs against JhTd, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength.

How this was computed

Nothing here is simulated. The 48 deals of AQs against JTo 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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