ATs vs 44: preflop equity

The exact count puts 44 at 50.45% and ATs at 49.55% when the two hands see all five board cards.

ATs

49.55%

Wins 49.30%, ties 0.50%

44

50.45%

Wins 50.20%, ties 0.50%

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

ATs against 44: the numbers

Exact preflop results for ATs against 44, in percent
HandWinsTiesLosesEquity
ATs49.3030.49550.20249.550
4450.2020.49549.30350.450

ATs, a suited hand, plays 44, a pocket pair. This is a pair against two overcards, a matchup that stays close because the other hand only needs one of its ranks to appear.

This is close to even money, with 44 a little ahead. Ties are part of the picture: 0.50% of boards end in a split pot, and each side counts that as half a win.

In the ranking of all 169 starting hands, ATs is number 13 and 44 is number 48.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
ATs20,261,000203,00020,631,000
4420,631,000203,00020,261,000

Exact total: 24 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.

ATs against 44 read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
ATs0.9822.0281.9921.018
441.0181.9922.0280.982

The final column gives the least the pot must offer for each unit called for a call to break even at this equity.

Who is ahead on which flops

Split by what the flop looks like, 44 peaks at 75.24% on low rainbow flops (nine high or lower) and bottoms out at 45.20% on rainbow flops topped by a ten or better. The overall edge for 44 hides rainbow flops topped by a ten or better and two-tone flops, where ATs comes out in front.

ATs against 44 by flop texture, in percent
FlopShare of flopsATs winsTies44 winsATs equity
Rainbow, ten or higher24.59554.6830.23545.08254.801
Rainbow, nine or lower6.31424.4180.69474.88824.765
Two-tone46.54550.6670.30649.02750.820
Monotone5.21248.2202.81148.96949.626
Paired17.33447.3930.60552.00247.695

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

Relative to a random opponent, ATs changes by -15.05 points (baseline 64.60%) and 44 by -6.57 points (baseline 57.02%).

ATs and 44 here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
ATs, all flops49.55064.602-15.0520.76700
ATs, rainbow, ten or higher54.80164.602-9.8010.84829
ATs, rainbow, nine or lower24.76564.602-39.8370.38335
ATs, two-tone50.82064.602-13.7820.78666
ATs, monotone49.62664.602-14.9760.76818
ATs, paired47.69564.602-16.9070.73829
44, all flops50.45057.023-6.5730.88473
44, rainbow, ten or higher45.19957.023-11.8240.79265
44, rainbow, nine or lower75.23557.023+18.2121.31938
44, two-tone49.18057.023-7.8430.86246
44, monotone50.37457.023-6.6490.88340
44, paired52.30557.023-4.7180.91726

Does a shared suit matter?

Of the deals of this matchup, 12 share a suit (44 at 50.63%) and 12 do not (50.28%). 44 does better with a shared suit, by 0.35 points.

ATs against 44 by suit overlap, in percent
DealsSpecific dealsShare of dealsATs winsTies44 winsATs equity
Share a suit1250.0049.1090.53350.35849.375
No shared suit1250.0049.4960.45850.04649.725

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 24 are ATs in one seat and 44 in the other (0.0015%); with the seats swapped too, 48 (0.0030%).

A worked example

Say each player puts $100 in before the flop, making a $200 pot. On average 44 takes back $100.90 of it, which is $0.90 more than it put in, and ATs takes back $99.10, $0.90 less than it put in.

Scaled to 1,000 deals, that is roughly 502 wins for 44, 493 for ATs and 5 chopped pots.

The same matchup from the other side

One page covers both views. From 44's side the equity is 50.45%, and from ATs' side it is 49.55%.

The calculator link fills in AsTs against 4h4d, 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

The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 24 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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