A7s vs QJo: preflop equity

Counting every board, the equity split is 58.15% for A7s and 41.85% for QJo, so A7s leads by 16.30 points.

A7s

58.15%

Wins 57.94%, ties 0.44%

QJo

41.85%

Wins 41.62%, ties 0.44%

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

A7s against QJo: the numbers

Exact preflop results for A7s against QJo, in percent
HandWinsTiesLosesEquity
A7s57.9350.43841.62758.154
QJo41.6270.43857.93541.846

A7s and QJo are a suited hand and an offsuit hand, in that order. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

The lead is steady rather than large, and the flop still has plenty of say in who wins. A split pot comes up on 0.44% of boards, so the wins and the equity differ by half of that.

For context, A7s sits at number 24 of 169 starting hands and QJo at number 39 when each is run against a random hand.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
A7s47,617,000360,00034,213,000
QJo34,213,000360,00047,617,000

Exact total: 48 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.

A7s against QJo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
A7s1.3901.7262.4020.720
QJo0.7202.4021.7261.390

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, A7s' equity runs from 50.26% on rainbow flops topped by a ten or better up to 75.42% on low rainbow flops (nine high or lower). A7s stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

A7s against QJo by flop texture, in percent
FlopShare of flopsA7s winsTiesQJo winsA7s equity
Rainbow, ten or higher23.98850.1970.13049.67350.262
Rainbow, nine or lower7.04275.0260.79424.18075.423
Two-tone46.66757.6080.26042.13257.738
Monotone5.21254.0412.36443.59555.223
Paired17.09163.8310.62435.54564.143

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

Relative to a random opponent, A7s changes by -2.83 points (baseline 60.98%) and QJo by -16.29 points (baseline 58.14%).

A7s and QJo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
A7s, all flops58.15460.984-2.8300.95359
A7s, rainbow, ten or higher50.26260.984-10.7220.82418
A7s, rainbow, nine or lower75.42360.984+14.4391.23677
A7s, two-tone57.73860.984-3.2460.94677
A7s, monotone55.22360.984-5.7610.90553
A7s, paired64.14360.984+3.1591.05180
QJo, all flops41.84658.135-16.2890.71981
QJo, rainbow, ten or higher49.73858.135-8.3970.85556
QJo, rainbow, nine or lower24.57758.135-33.5580.42276
QJo, two-tone42.26258.135-15.8730.72696
QJo, monotone44.77758.135-13.3580.77022
QJo, paired35.85758.135-22.2780.61679

Does a shared suit matter?

Suit overlap shows up in the numbers. With a suit in common A7s has 57.79% equity, and with none in common it has 58.51%. A7s does better with no shared suit, by 0.72 points.

A7s against QJo by suit overlap, in percent
DealsSpecific dealsShare of dealsA7s winsTiesQJo winsA7s equity
Share a suit2450.0057.5550.47941.96657.794
No shared suit2450.0058.3150.39741.28858.513

How often this matchup comes up

The class pair covers 48 combinations of specific cards in a fixed seat order, 0.0030% of 1,624,350, and 96 (0.0059%) in either order.

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. A7s averages $116.30 from the $200, up $16.30; QJo averages $83.70, down $16.30.

Per 1,000 deals: A7s wins about 579, QJo wins about 416, and about 5 end in a split pot.

The same matchup from the other side

The reversed view, QJo against A7s, shows 41.85% for QJo and 58.15% for A7s. It is the same count, so it redirects here.

The calculator link fills in As7s against QhJd, 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

We counted every case. Each suit pattern of the 48 specific A7s against QJo 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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