A8s vs QTo: preflop equity

In equity, A8s against QTo stands at 58.86% to 41.14%, a gap of 17.72 points.

A8s

58.86%

Wins 58.65%, ties 0.43%

QTo

41.14%

Wins 40.92%, ties 0.43%

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

A8s against QTo: the numbers

Exact preflop results for A8s against QTo, in percent
HandWinsTiesLosesEquity
A8s58.6450.43340.92258.862
QTo40.9220.43358.64541.138

We compare a suited hand with an offsuit hand. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

A8s is ahead, but QTo is far from dead: it takes 409 of every 1,000 deals outright. Split pots make up 0.43% of the boards, and both equity figures count them as half a win each.

Among the 169 starting hands, A8s is number 21 and QTo is number 47 by strength against a random hand.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
A8s48,201,000356,00033,634,000
QTo33,634,000356,00048,201,000

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.

A8s against QTo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
A8s1.4311.7052.4440.699
QTo0.6992.4441.7051.431

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

By flop texture, A8s' equity runs from 51.51% on rainbow flops topped by a ten or better up to 74.96% on low rainbow flops (nine high or lower). A8s stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

A8s against QTo by flop texture, in percent
FlopShare of flopsA8s winsTiesQTo winsA8s equity
Rainbow, ten or higher23.98851.4330.14948.41851.508
Rainbow, nine or lower7.04274.6110.70124.68874.961
Two-tone46.66758.3310.25341.41658.458
Monotone5.21254.4782.35843.16455.657
Paired17.09164.3190.62435.05764.631

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

Against one random hand instead, A8s holds 61.94% and QTo holds 57.29%. Facing each other changes that by -3.08 points for A8s and -16.15 points for QTo.

A8s and QTo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
A8s, all flops58.86261.944-3.0820.95025
A8s, rainbow, ten or higher51.50861.944-10.4360.83153
A8s, rainbow, nine or lower74.96161.944+13.0171.21014
A8s, two-tone58.45861.944-3.4860.94372
A8s, monotone55.65761.944-6.2870.89851
A8s, paired64.63161.944+2.6871.04338
QTo, all flops41.13857.291-16.1530.71805
QTo, rainbow, ten or higher48.49257.291-8.7990.84642
QTo, rainbow, nine or lower25.03957.291-32.2520.43705
QTo, two-tone41.54257.291-15.7490.72511
QTo, monotone44.34357.291-12.9480.77400
QTo, paired35.36957.291-21.9220.61736

Does a shared suit matter?

Of the deals of this matchup, 24 share a suit (A8s at 58.52%) and 24 do not (59.20%). A8s does better with no shared suit, by 0.68 points.

A8s against QTo by suit overlap, in percent
DealsSpecific dealsShare of dealsA8s winsTiesQTo winsA8s equity
Share a suit2450.0058.2860.47441.24058.523
No shared suit2450.0059.0040.39240.60459.200

How often this matchup comes up

This page stands for 48 specific-card matchups (0.0030% of 1,624,350 ordered deals), or 96 once you count the seats both ways (0.0059%).

A worked example

Say each player puts $100 in before the flop, making a $200 pot. On average A8s takes back $117.72 of it, which is $17.72 more than it put in, and QTo takes back $82.28, $17.72 less than it put in.

Think in thousands: about 587 of 1,000 go to A8s, about 409 go to QTo, and about 4 are chopped.

The same matchup from the other side

The reversed view, QTo against A8s, shows 41.14% for QTo and 58.86% for A8s. It is the same count, so it redirects here.

As8s against QhTd 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 48 deals of A8s against QTo 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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