QQ vs 75s: preflop equity

The exact count puts QQ at 79.16% and 75s at 20.84% when the two hands see all five board cards.

QQ

79.16%

Wins 78.95%, ties 0.40%

75s

20.84%

Wins 20.65%, ties 0.40%

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

QQ against 75s: the numbers

Exact preflop results for QQ against 75s, in percent
HandWinsTiesLosesEquity
QQ78.9540.40220.64479.155
75s20.6440.40278.95420.845

Here a pocket pair (QQ) meets a suited hand (75s). A pair against two lower cards is a lopsided matchup: the pair is ahead and the other hand has no overcard to catch.

A lead of 58.32 points is large but not decisive: 75s still takes about 206 of every 1,000 deals. About 0.40% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.

QQ ranks number 3 of 169 starting hands, and 75s ranks number 124, by equity against a random hand.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QQ32,446,000165,0008,484,000
75s8,484,000165,00032,446,000

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.

QQ against 75s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QQ3.7971.2674.8440.263
75s0.2634.8441.2673.797

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

By flop texture, QQ's equity runs from 64.20% on low rainbow flops (nine high or lower) up to 84.97% on rainbow flops topped by a ten or better. QQ stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

QQ against 75s by flop texture, in percent
FlopShare of flopsQQ winsTies75s winsQQ equity
Rainbow, ten or higher24.59584.8660.21114.92384.972
Rainbow, nine or lower6.31463.8090.78135.41064.200
Two-tone46.54577.1030.30922.58877.258
Monotone5.21272.6352.42024.94573.845
Paired17.33482.9540.17716.86983.043

Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank.

Compared with a random hand

How much does the opponent matter? Compared with its random-hand 79.93%, QQ changes by -0.77 points, and 75s, from 43.68%, by -22.84.

QQ and 75s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QQ, all flops79.15579.925-0.7700.99037
QQ, rainbow, ten or higher84.97279.925+5.0471.06315
QQ, rainbow, nine or lower64.20079.925-15.7250.80325
QQ, two-tone77.25879.925-2.6670.96663
QQ, monotone73.84579.925-6.0800.92393
QQ, paired83.04379.925+3.1181.03901
75s, all flops20.84543.676-22.8310.47726
75s, rainbow, ten or higher15.02843.676-28.6480.34408
75s, rainbow, nine or lower35.80043.676-7.8760.81967
75s, two-tone22.74243.676-20.9340.52070
75s, monotone26.15543.676-17.5210.59884
75s, paired16.95743.676-26.7190.38825

Does a shared suit matter?

When the hands share a suit, QQ holds 79.74%; when they do not, it holds 78.57%. QQ does better with a shared suit, by 1.17 points.

QQ against 75s by suit overlap, in percent
DealsSpecific dealsShare of dealsQQ winsTies75s winsQQ equity
Share a suit1250.0079.5160.44520.03979.738
No shared suit1250.0078.3940.35821.24878.573

How often this matchup comes up

Exactly 24 specific deals fit this matchup in one seat order, which is 0.0015% of 1,624,350; both orders together give 48, or 0.0030%.

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. QQ averages $158.32 from the $200, up $58.32; 75s averages $41.68, down $58.32.

Per 1,000 deals: QQ wins about 790, 75s wins about 206, and about 4 end in a split pot.

The same matchup from the other side

Swap the hands and you get 75s with 20.84% against QQ with 79.16%. We keep one page per matchup, with the better-ranked hand first.

Open the calculator with QsQh against 7d5d 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 24 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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