ATs vs QJs: preflop equity

In equity, ATs against QJs stands at 58.05% to 41.95%, a gap of 16.10 points.

ATs

58.05%

Wins 57.80%, ties 0.50%

QJs

41.95%

Wins 41.70%, ties 0.50%

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

ATs against QJs: the numbers

Exact preflop results for ATs against QJs, in percent
HandWinsTiesLosesEquity
ATs57.8040.50041.69658.054
QJs41.6960.50057.80441.946

Here suited hands face each other, ATs on one side and QJs on the other. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

ATs is ahead, but QJs is far from dead: it takes 417 of every 1,000 deals outright. A split pot comes up on 0.50% of boards, so the wins and the equity differ by half of that.

The hand ranking puts ATs at 13 and QJs at 28 out of 169 starting hands.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
ATs15,836,000137,00011,423,000
QJs11,423,000137,00015,836,000

The board total is exact, 16 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

ATs against QJs read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
ATs1.3841.7302.3980.723
QJs0.7232.3981.7301.384

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

The flop changes the picture. ATs does best on low rainbow flops (nine high or lower), at 73.39%, and worst on rainbow flops topped by a ten or better, at 52.28%. ATs stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

ATs against QJs by flop texture, in percent
FlopShare of flopsATs winsTiesQJs winsATs equity
Rainbow, ten or higher23.13852.2300.10647.66452.283
Rainbow, nine or lower7.77172.9480.87726.17573.386
Two-tone46.72756.7910.26442.94556.923
Monotone5.27353.5233.40943.06855.227
Paired17.09162.5570.61236.83162.863

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

Start from the random-hand figures, 64.60% for ATs and 60.26% for QJs. This opponent changes them by -6.55 and -18.31 points.

ATs and QJs here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
ATs, all flops58.05464.602-6.5480.89864
ATs, rainbow, ten or higher52.28364.602-12.3190.80931
ATs, rainbow, nine or lower73.38664.602+8.7841.13597
ATs, two-tone56.92364.602-7.6790.88113
ATs, monotone55.22764.602-9.3750.85488
ATs, paired62.86364.602-1.7390.97308
QJs, all flops41.94660.259-18.3130.69610
QJs, rainbow, ten or higher47.71760.259-12.5420.79187
QJs, rainbow, nine or lower26.61460.259-33.6450.44166
QJs, two-tone43.07760.259-17.1820.71486
QJs, monotone44.77360.259-15.4860.74301
QJs, paired37.13760.259-23.1220.61629

Does a shared suit matter?

Does suit overlap move the numbers? ATs has 60.08% when the hands share a suit and 57.38% when they do not. ATs does better with a shared suit, by 2.70 points.

ATs against QJs by suit overlap, in percent
DealsSpecific dealsShare of dealsATs winsTiesQJs winsATs equity
Share a suit425.0059.7880.57739.63560.077
No shared suit1275.0057.1430.47542.38257.380

How often this matchup comes up

Exactly 16 specific deals fit this matchup in one seat order, which is 0.0010% of 1,624,350; both orders together give 32, or 0.0020%.

A worked example

A $100 all-in from each player makes a $200 pot, and the exact equity says ATs gets $116.10 of it on average and QJs gets $83.90.

Over a long run, 1,000 deals split into about 578 for ATs, 417 for QJs and 5 tied.

The same matchup from the other side

If you came looking for QJs against ATs, the numbers are the same with the hands swapped: 41.95% and 58.05%.

Try AsTs against QhJh in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking.

How this was computed

The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 16 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows.

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

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