77 vs QTs: preflop equity

Dealt all in against each other, QTs takes 50.26% of the pot on average and 77 takes the other 49.74%.

77

49.74%

Wins 49.50%, ties 0.49%

QTs

50.26%

Wins 50.01%, ties 0.49%

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

77 against QTs: the numbers

Exact preflop results for 77 against QTs, in percent
HandWinsTiesLosesEquity
7749.5000.48650.01449.743
QTs50.0140.48649.50050.257

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

That is a slim edge: neither hand is far ahead. About 0.49% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.

In the ranking of all 169 starting hands, 77 is number 9 and QTs is number 34.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
7720,342,000200,00020,553,000
QTs20,553,000200,00020,342,000

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.

77 against QTs read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
770.9902.0201.9991.010
QTs1.0101.9992.0200.990

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

Rainbow flops topped by a ten or better are the best for QTs (56.97%); low rainbow flops (nine high or lower) are the worst (24.30%). Low rainbow flops (nine high or lower) and paired flops favor 77, the hand that is behind overall.

77 against QTs by flop texture, in percent
FlopShare of flops77 winsTiesQTs wins77 equity
Rainbow, ten or higher24.59542.8930.26856.83943.027
Rainbow, nine or lower6.31475.4370.52724.03675.701
Two-tone46.54547.5820.30352.11547.733
Monotone5.21248.3872.43349.18049.604
Paired17.33454.9160.68644.39855.259

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

Each hand has a baseline against a random hand: 66.24% for 77, 59.47% for QTs. Here the change is -16.50 and -9.21 points.

77 and QTs here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
77, all flops49.74366.236-16.4930.75100
77, rainbow, ten or higher43.02766.236-23.2090.64960
77, rainbow, nine or lower75.70166.236+9.4651.14290
77, two-tone47.73366.236-18.5030.72065
77, monotone49.60466.236-16.6320.74890
77, paired55.25966.236-10.9770.83427
QTs, all flops50.25759.468-9.2110.84511
QTs, rainbow, ten or higher56.97359.468-2.4950.95804
QTs, rainbow, nine or lower24.29959.468-35.1690.40861
QTs, two-tone52.26759.468-7.2010.87891
QTs, monotone50.39659.468-9.0720.84745
QTs, paired44.74159.468-14.7270.75235

Does a shared suit matter?

Suit overlap shows up in the numbers. With a suit in common QTs has 50.11% equity, and with none in common it has 50.40%. QTs does better with no shared suit, by 0.29 points.

77 against QTs by suit overlap, in percent
DealsSpecific dealsShare of deals77 winsTiesQTs wins77 equity
Share a suit1250.0049.6230.52949.84849.887
No shared suit1250.0049.3770.44450.17949.599

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 24 are 77 in one seat and QTs in the other (0.0015%); with the seats swapped too, 48 (0.0030%).

A worked example

With $100 from each side, the $200 pot is split on average as $100.52 for QTs and $99.48 for 77; the first side gains $0.52 per all-in and the second gives up $0.52.

Per 1,000 deals: QTs wins about 500, 77 wins about 495, and about 5 end in a split pot.

The same matchup from the other side

The reversed view, QTs against 77, shows 50.26% for QTs and 49.74% for 77. It is the same count, so it redirects here.

The calculator link fills in 7s7h against QdTd, 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

Nothing here is simulated. The 24 deals of 77 against QTs fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops.

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

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