77 vs AQo: preflop equity

Counting every board, the equity split is 54.53% for 77 and 45.47% for AQo, so 77 leads by 9.06 points.

77

54.53%

Wins 54.34%, ties 0.38%

AQo

45.47%

Wins 45.28%, ties 0.38%

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

77 against AQo: the numbers

Exact preflop results for 77 against AQo, in percent
HandWinsTiesLosesEquity
7754.3440.37645.28054.532
AQo45.2800.37654.34445.468

We compare a pocket pair with an offsuit hand. One hand holds a pair and the other holds two cards that both outrank it, which keeps the equity closer than most people expect.

With only 9.06 points between them, the board decides this matchup far more than the cards in hand. Of every 100 boards, about 0.38 are split pots, and the equity figures already include them.

Ranked by equity against a random hand, 77 is number 9 of the 169 starting hands and AQo is number 14.

Boards behind the percentages: 123,285,888 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
7766,998,000464,00055,824,000
AQo55,824,000464,00066,998,000

72 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.

77 against AQo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
771.1991.8402.2080.834
AQo0.8342.2081.8401.199

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

Split by what the flop looks like, 77 peaks at 80.05% on low rainbow flops (nine high or lower) and bottoms out at 47.28% on rainbow flops topped by a ten or better. On rainbow flops topped by a ten or better the numbers flip and AQo is the one ahead.

77 against AQo by flop texture, in percent
FlopShare of flops77 winsTiesAQo wins77 equity
Rainbow, ten or higher24.71747.1880.18852.62447.282
Rainbow, nine or lower6.31479.6920.71019.59880.047
Two-tone46.48553.4930.28346.22453.635
Monotone5.15150.3591.69847.94351.208
Paired17.33358.7820.37840.84058.971

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

Relative to a random opponent, 77 changes by -11.71 points (baseline 66.24%) and AQo by -18.96 points (baseline 64.43%).

77 and AQo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
77, all flops54.53266.236-11.7040.82330
77, rainbow, ten or higher47.28266.236-18.9540.71384
77, rainbow, nine or lower80.04766.236+13.8111.20851
77, two-tone53.63566.236-12.6010.80976
77, monotone51.20866.236-15.0280.77311
77, paired58.97166.236-7.2650.89032
AQo, all flops45.46864.432-18.9640.70567
AQo, rainbow, ten or higher52.71864.432-11.7140.81820
AQo, rainbow, nine or lower19.95364.432-44.4790.30968
AQo, two-tone46.36564.432-18.0670.71960
AQo, monotone48.79264.432-15.6400.75726
AQo, paired41.02964.432-23.4030.63678

Does a shared suit matter?

Two kinds of deal exist here. In 60 of them the hands share a suit and 77 holds 54.45%. In 12 they do not, and it holds 54.94%. 77 does better with no shared suit, by 0.49 points.

77 against AQo by suit overlap, in percent
DealsSpecific dealsShare of deals77 winsTiesAQo wins77 equity
Share a suit6083.3354.2540.39145.35554.450
No shared suit1216.6754.7960.29644.90854.944

How often this matchup comes up

How often does it happen? 72 of the 1,624,350 ordered deals (0.0044%) are 77 against AQo, and 144 (0.0089%) if either hand may sit in either seat.

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. 77 is worth $109.06 on average (+$9.06); AQo is worth $90.94 (-$9.06).

Out of 1,000 deals you should see around 543 outright wins for 77, 453 for AQo, and 4 split pots.

The same matchup from the other side

AQo versus 77 is this same page seen from the other hand: 45.47% for AQo, 54.53% for 77.

Open the calculator with 7s7h against AdQc 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

Method: exact enumeration. The 72 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board.

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

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