AJo vs QJo: preflop equity

Before any board card is dealt, AJo holds 72.74% equity against QJo, which leaves QJo with 27.26%.

AJo

72.74%

Wins 72.01%, ties 1.45%

QJo

27.26%

Wins 26.54%, ties 1.45%

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

AJo against QJo: the numbers

Exact preflop results for AJo against QJo, in percent
HandWinsTiesLosesEquity
AJo72.0121.45126.53772.737
QJo26.5371.45172.01227.263

AJo and QJo are both offsuit hands. Sharing a rank is the signature of a dominated hand, since the weaker hand is usually out-kicked when the shared rank shows up.

That is a clear edge, 72.74% to 27.26%, but QJo still wins often enough that one hand proves nothing. Split pots make up 1.45% of the boards, and both equity figures count them as half a win each.

In the ranking of all 169 starting hands, AJo is number 15 and QJo is number 39.

Boards behind the percentages: 184,928,832 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AJo133,171,0002,683,00049,075,000
QJo49,075,0002,683,000133,171,000

Exact total: 108 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.

AJo against QJo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AJo2.6681.3893.7680.375
QJo0.3753.7681.3892.668

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

Low rainbow flops (nine high or lower) are the best for AJo (84.40%); monotone flops are the worst (67.36%). AJo stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

AJo against QJo by flop texture, in percent
FlopShare of flopsAJo winsTiesQJo winsAJo equity
Rainbow, ten or higher23.27567.9411.26730.79268.575
Rainbow, nine or lower7.77183.7161.37114.91384.401
Two-tone46.47771.3291.24527.42671.951
Monotone5.14466.2392.24331.51867.361
Paired17.33375.7742.05122.17576.800

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

A random hand would give AJo 63.56% and QJo 58.14%. Against each other the change is +9.18 points for AJo and -30.88 for QJo.

AJo and QJo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AJo, all flops72.73763.563+9.1741.14433
AJo, rainbow, ten or higher68.57563.563+5.0121.07885
AJo, rainbow, nine or lower84.40163.563+20.8381.32783
AJo, two-tone71.95163.563+8.3881.13196
AJo, monotone67.36163.563+3.7981.05975
AJo, paired76.80063.563+13.2371.20825
QJo, all flops27.26358.135-30.8720.46896
QJo, rainbow, ten or higher31.42558.135-26.7100.54055
QJo, rainbow, nine or lower15.59958.135-42.5360.26832
QJo, two-tone28.04958.135-30.0860.48248
QJo, monotone32.63958.135-25.4960.56143
QJo, paired23.20058.135-34.9350.39907

Does a shared suit matter?

Suit overlap shows up in the numbers. With a suit in common AJo has 72.83% equity, and with none in common it has 72.40%. AJo does better with a shared suit, by 0.43 points.

AJo against QJo by suit overlap, in percent
DealsSpecific dealsShare of dealsAJo winsTiesQJo winsAJo equity
Share a suit8477.7872.0961.47426.43072.833
No shared suit2422.2271.7161.36926.91572.400

How often this matchup comes up

Counting specific cards, AJo against QJo appears in 108 of the 1,624,350 ordered heads-up deals (0.0066%), and in 216 when the seats are swapped too (0.0133%).

A worked example

Take a $200 pot built from $100 each. AJo's equity of 72.74% is worth $145.48, a $45.48 edge, and QJo's 27.26% is worth $54.52, which is $45.48 under its stake.

Scaled to 1,000 deals, that is roughly 720 wins for AJo, 265 for QJo and 15 chopped pots.

The same matchup from the other side

Swap the hands and you get QJo with 27.26% against AJo with 72.74%. We keep one page per matchup, with the better-ranked hand first.

Open the calculator with AsJh against QdJc 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 figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 108 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it.

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

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