ATs vs 22: preflop equity

Averaged over every possible board, ATs is ahead of 22 by 1.72 points of equity, 50.86% to 49.14%.

ATs

50.86%

Wins 50.55%, ties 0.62%

22

49.14%

Wins 48.83%, ties 0.62%

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

ATs against 22: the numbers

Exact preflop results for ATs against 22, in percent
HandWinsTiesLosesEquity
ATs50.5480.61848.83450.857
2248.8340.61850.54849.143

ATs, a suited hand, plays 22, a pocket pair. A pair against two higher cards is the classic race: the pair is usually a small favorite or close to even, and each overcard that pairs is a way to take the lead.

That is a slim edge: neither hand is far ahead. A split pot comes up on 0.62% of boards, so the wins and the equity differ by half of that.

By strength against a random hand, ATs holds place 13 of 169 and 22 holds place 87.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
ATs20,773,000254,00020,068,000
2220,068,000254,00020,773,000

24 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand.

ATs against 22 read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
ATs1.0351.9782.0480.966
220.9662.0481.9781.035

In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity.

Who is ahead on which flops

By flop texture, ATs' equity runs from 26.43% on low rainbow flops (nine high or lower) up to 55.37% on rainbow flops topped by a ten or better. The lead reverses on low rainbow flops (nine high or lower): there 22 is the favorite even though ATs is ahead overall.

ATs against 22 by flop texture, in percent
FlopShare of flopsATs winsTies22 winsATs equity
Rainbow, ten or higher24.59555.2470.23544.51855.365
Rainbow, nine or lower6.31425.9121.03373.05526.429
Two-tone46.54551.3860.36648.24851.569
Monotone5.21248.7983.73747.46550.666
Paired17.33451.1290.75048.12151.504

Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank.

Compared with a random hand

How much does the opponent matter? Compared with its random-hand 64.60%, ATs changes by -13.74 points, and 22, from 50.33%, by -1.19.

ATs and 22 here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
ATs, all flops50.85764.602-13.7450.78724
ATs, rainbow, ten or higher55.36564.602-9.2370.85702
ATs, rainbow, nine or lower26.42964.602-38.1730.40910
ATs, two-tone51.56964.602-13.0330.79826
ATs, monotone50.66664.602-13.9360.78428
ATs, paired51.50464.602-13.0980.79725
22, all flops49.14350.334-1.1910.97634
22, rainbow, ten or higher44.63550.334-5.6990.88678
22, rainbow, nine or lower73.57150.334+23.2371.46166
22, two-tone48.43150.334-1.9030.96219
22, monotone49.33450.334-1.0000.98013
22, paired48.49650.334-1.8380.96348

Does a shared suit matter?

Two kinds of deal exist here. In 12 of them the hands share a suit and ATs holds 50.68%. In 12 they do not, and it holds 51.04%. ATs does better with no shared suit, by 0.36 points.

ATs against 22 by suit overlap, in percent
DealsSpecific dealsShare of dealsATs winsTies22 winsATs equity
Share a suit1250.0050.3580.63849.00450.677
No shared suit1250.0050.7370.59948.66451.036

How often this matchup comes up

You will meet this exact matchup 0.0030% of the time in a random heads-up deal: 48 of 1,624,350, counting either seat order.

A worked example

Put $100 each into a $200 pot and deal every board once: ATs averages $101.72 back, ahead of its $100 by $1.72, while 22 averages $98.28, short of its $100 by $1.72.

Over a long run, 1,000 deals split into about 506 for ATs, 488 for 22 and 6 tied.

The same matchup from the other side

Read it from the other side: 22 against ATs is the same matchup with the numbers swapped, so 22 holds 49.14% and ATs holds 50.86%. That address sends you back to this page.

Try AsTs against 2h2d 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

This is an exact count with no sampling. For the 24 ways to deal one ATs and one 22 without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops.

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

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