AJs vs QJs: preflop equity

In equity, AJs against QJs stands at 69.90% to 30.10%, a gap of 39.80 points.

AJs

69.90%

Wins 69.19%, ties 1.42%

QJs

30.10%

Wins 29.39%, ties 1.42%

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

AJs against QJs: the numbers

Exact preflop results for AJs against QJs, in percent
HandWinsTiesLosesEquity
AJs69.1871.41829.39569.896
QJs29.3951.41869.18730.104

The matchup is suited hands on both sides, AJs against QJs. Sharing a rank is the signature of a dominated hand, since the weaker hand is usually out-kicked when the shared rank shows up.

AJs is the clear favorite, though QJs gets there on roughly one board in 3. A split pot comes up on 1.42% of boards, so the wins and the equity differ by half of that.

The hand ranking puts AJs at 11 and QJs at 28 out of 169 starting hands.

Boards behind the percentages: 20,547,648 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AJs14,216,000291,0006,040,000
QJs6,040,000291,00014,216,000

The board total is exact, 12 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

AJs against QJs read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AJs2.3221.4453.4020.431
QJs0.4313.4021.4452.322

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

Across the five flop textures AJs' equity moves by 18.81 points, from 63.17% on monotone flops to 81.98% on low rainbow flops (nine high or lower). AJs stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

AJs against QJs by flop texture, in percent
FlopShare of flopsAJs winsTiesQJs winsAJs equity
Rainbow, ten or higher23.13866.8641.20331.93367.466
Rainbow, nine or lower7.77181.3561.24917.39581.981
Two-tone46.54367.9431.06830.98968.477
Monotone5.21561.3183.70234.98063.169
Paired17.33372.5412.03525.42473.558

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

The table below sets each hand against its own random-hand baseline: a change of +4.51 points for AJs, from 65.39%, and -30.16 for QJs, from 60.26%.

AJs and QJs here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AJs, all flops69.89665.393+4.5031.06886
AJs, rainbow, ten or higher67.46665.393+2.0731.03170
AJs, rainbow, nine or lower81.98165.393+16.5881.25367
AJs, two-tone68.47765.393+3.0841.04716
AJs, monotone63.16965.393-2.2240.96599
AJs, paired73.55865.393+8.1651.12486
QJs, all flops30.10460.259-30.1550.49958
QJs, rainbow, ten or higher32.53460.259-27.7250.53990
QJs, rainbow, nine or lower18.01960.259-42.2400.29903
QJs, two-tone31.52360.259-28.7360.52313
QJs, monotone36.83160.259-23.4280.61121
QJs, paired26.44260.259-33.8170.43881

Does a shared suit matter?

AJs and QJs never overlap in suit in a legal deal, so the whole matchup sits in the no-shared-suit row.

AJs against QJs by suit overlap, in percent
DealsSpecific dealsShare of dealsAJs winsTiesQJs winsAJs equity
Share a suit00.00not possiblenot possiblenot possiblenot possible
No shared suit12100.0069.1871.41829.39569.896

How often this matchup comes up

This page stands for 12 specific-card matchups (0.0007% of 1,624,350 ordered deals), or 24 once you count the seats both ways (0.0015%).

A worked example

Put $100 each into a $200 pot and deal every board once: AJs averages $139.80 back, ahead of its $100 by $39.80, while QJs averages $60.20, short of its $100 by $39.80.

Over a long run, 1,000 deals split into about 692 for AJs, 294 for QJs and 14 tied.

The same matchup from the other side

Read it from the other side: QJs against AJs is the same matchup with the numbers swapped, so QJs holds 30.10% and AJs holds 69.90%. That address sends you back to this page.

The calculator link fills in AsJs against QhJh, 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 12 specific AJs against QJs 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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