ATo vs 76s: preflop equity

In equity, ATo against 76s stands at 59.05% to 40.95%, a gap of 18.10 points.

ATo

59.05%

Wins 58.84%, ties 0.41%

76s

40.95%

Wins 40.75%, ties 0.41%

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

ATo against 76s: the numbers

Exact preflop results for ATo against 76s, in percent
HandWinsTiesLosesEquity
ATo58.8390.41340.74859.045
76s40.7480.41358.83940.955

The first hand is an offsuit hand; the second is a suited hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

A 18.10 point lead is real, and 76s still takes about 408 of every 1,000 deals outright. The tie share is 0.41%: on those boards the pot is chopped and neither hand wins outright.

ATo ranks number 19 of 169 starting hands, and 76s ranks number 115, by equity against a random hand.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
ATo48,360,000339,00033,491,000
76s33,491,000339,00048,360,000

The board total is exact, 48 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

ATo against 76s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
ATo1.4421.7002.4540.694
76s0.6942.4541.7001.442

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

ATo prefers rainbow flops topped by a ten or better, where it holds 67.03%, and likes low rainbow flops (nine high or lower) least, where it holds 32.77%. 76s is ahead on low rainbow flops (nine high or lower), even though it trails ATo when every flop is counted.

ATo against 76s by flop texture, in percent
FlopShare of flopsATo winsTies76s winsATo equity
Rainbow, ten or higher24.71766.9390.18132.88067.029
Rainbow, nine or lower6.31332.5390.45867.00332.768
Two-tone46.66757.2510.22542.52457.364
Monotone5.21256.3442.35541.30157.521
Paired17.09161.9360.65337.41162.262

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

Compared with a random opponent, this matchup shifts ATo from 62.72% by -3.67 points and 76s from 45.37% by -4.42 points.

ATo and 76s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
ATo, all flops59.04562.722-3.6770.94138
ATo, rainbow, ten or higher67.02962.722+4.3071.06867
ATo, rainbow, nine or lower32.76862.722-29.9540.52243
ATo, two-tone57.36462.722-5.3580.91458
ATo, monotone57.52162.722-5.2010.91708
ATo, paired62.26262.722-0.4600.99267
76s, all flops40.95545.372-4.4170.90265
76s, rainbow, ten or higher32.97145.372-12.4010.72668
76s, rainbow, nine or lower67.23245.372+21.8601.48179
76s, two-tone42.63645.372-2.7360.93970
76s, monotone42.47945.372-2.8930.93624
76s, paired37.73845.372-7.6340.83175

Does a shared suit matter?

Two kinds of deal exist here. In 24 of them the hands share a suit and ATo holds 59.72%. In 24 they do not, and it holds 58.37%. ATo does better with a shared suit, by 1.35 points.

ATo against 76s by suit overlap, in percent
DealsSpecific dealsShare of dealsATo winsTies76s winsATo equity
Share a suit2450.0059.4930.45440.05359.720
No shared suit2450.0058.1850.37241.44358.371

How often this matchup comes up

ATo against 76s is made up of 48 specific-card matchups in one seat order, 0.0030% of the 1,624,350 ordered deals, and 96 counting both seat orders, 0.0059%.

A worked example

Take a $200 pot built from $100 each. ATo's equity of 59.05% is worth $118.10, a $18.10 edge, and 76s' 40.95% is worth $81.90, which is $18.10 under its stake.

Out of 1,000 deals you should see around 588 outright wins for ATo, 408 for 76s, and 4 split pots.

The same matchup from the other side

One page covers both views. From 76s' side the equity is 40.95%, and from ATo's side it is 59.05%.

The calculator link fills in AsTh against 7d6d, 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

Each figure is a complete count over boards. Take the 48 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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