QTs vs A2s: preflop equity

In equity, A2s against QTs stands at 55.47% to 44.53%, a gap of 10.94 points.

QTs

44.53%

Wins 44.27%, ties 0.54%

A2s

55.47%

Wins 55.19%, ties 0.54%

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

QTs against A2s: the numbers

Exact preflop results for QTs against A2s, in percent
HandWinsTiesLosesEquity
QTs44.2650.53755.19844.533
A2s55.1980.53744.26555.467

Each side holds one of the suited hands: QTs and A2s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

A 10.94 point lead is real, and QTs still takes about 443 of every 1,000 deals outright. Ties are part of the picture: 0.54% of boards end in a split pot, and each side counts that as half a win.

In the ranking of all 169 starting hands, QTs is number 34 and A2s is number 46.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QTs12,127,000147,00015,123,000
A2s15,123,000147,00012,127,000

The total is exact: 16 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand.

QTs against A2s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QTs0.8032.2591.8121.246
A2s1.2461.8122.2590.803

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. A2s does best on low rainbow flops (nine high or lower), at 71.72%, and worst on rainbow flops topped by a ten or better, at 49.38%. A2s is the favorite overall but falls behind on rainbow flops topped by a ten or better.

QTs against A2s by flop texture, in percent
FlopShare of flopsQTs winsTiesA2s winsQTs equity
Rainbow, ten or higher23.86750.5450.15249.30350.621
Rainbow, nine or lower7.04227.7990.96771.23428.282
Two-tone46.72745.6360.30054.06445.786
Monotone5.27344.9923.44351.56546.713
Paired17.09138.3050.64961.04638.629

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

Each hand has a baseline against a random hand: 59.47% for QTs, 57.38% for A2s. Here the change is -14.94 and -1.91 points.

QTs and A2s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QTs, all flops44.53359.468-14.9350.74886
QTs, rainbow, ten or higher50.62159.468-8.8470.85123
QTs, rainbow, nine or lower28.28259.468-31.1860.47558
QTs, two-tone45.78659.468-13.6820.76993
QTs, monotone46.71359.468-12.7550.78551
QTs, paired38.62959.468-20.8390.64958
A2s, all flops55.46757.379-1.9120.96668
A2s, rainbow, ten or higher49.37957.379-8.0000.86058
A2s, rainbow, nine or lower71.71857.379+14.3391.24990
A2s, two-tone54.21457.379-3.1650.94484
A2s, monotone53.28757.379-4.0920.92868
A2s, paired61.37157.379+3.9921.06957

Does a shared suit matter?

Of the deals of this matchup, 4 share a suit (A2s at 57.18%) and 12 do not (54.90%). A2s does better with a shared suit, by 2.28 points.

QTs against A2s by suit overlap, in percent
DealsSpecific dealsShare of dealsQTs winsTiesA2s winsQTs equity
Share a suit425.0042.5100.61956.87142.819
No shared suit1275.0044.8490.51054.64145.104

How often this matchup comes up

This page stands for 16 specific-card matchups (0.0010% of 1,624,350 ordered deals), or 32 once you count the seats both ways (0.0020%).

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. A2s averages $110.94 from the $200, up $10.94; QTs averages $89.06, down $10.94.

A thousand deals look like this: A2s takes 552, QTs takes 443, 5 are ties.

The same matchup from the other side

A2s against QTs adds nothing new: it is 55.47% for A2s and 44.53% for QTs, the same figures reversed.

Open the calculator with QsTs against Ah2h 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

Each figure is a complete count over boards. Take the 16 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops.

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

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