QQ vs 64s: preflop equity

In equity, QQ against 64s stands at 79.16% to 20.84%, a gap of 58.32 points.

QQ

79.16%

Wins 78.96%, ties 0.40%

64s

20.84%

Wins 20.64%, ties 0.40%

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

QQ against 64s: the numbers

Exact preflop results for QQ against 64s, in percent
HandWinsTiesLosesEquity
QQ78.9560.40320.64179.157
64s20.6410.40378.95620.843

QQ and 64s are a pocket pair and a suited hand, in that order. Here a pair faces two cards that are both smaller, so the other hand needs to pair up and still be behind.

QQ is the clear favorite, though 64s gets there on roughly one board in 5. About 0.40% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.

Ranked by equity against a random hand, QQ is number 3 of the 169 starting hands and 64s is number 138.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QQ32,447,000166,0008,482,000
64s8,482,000166,00032,447,000

The board total is exact, 24 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

QQ against 64s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QQ3.7981.2674.8450.263
64s0.2634.8451.2673.798

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

Rainbow flops topped by a ten or better are the best for QQ (84.95%); low rainbow flops (nine high or lower) are the worst (64.28%). 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 64s by flop texture, in percent
FlopShare of flopsQQ winsTies64s winsQQ equity
Rainbow, ten or higher24.59584.8660.17114.96384.951
Rainbow, nine or lower6.31463.8090.93835.25364.278
Two-tone46.54577.1030.30922.58877.258
Monotone5.21272.6352.43924.92673.854
Paired17.33482.9620.17716.86183.051

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

Against one random hand instead, QQ holds 79.93% and 64s holds 41.33%. Facing each other changes that by -0.77 points for QQ and -20.49 points for 64s.

QQ and 64s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QQ, all flops79.15779.925-0.7680.99039
QQ, rainbow, ten or higher84.95179.925+5.0261.06288
QQ, rainbow, nine or lower64.27879.925-15.6470.80423
QQ, two-tone77.25879.925-2.6670.96663
QQ, monotone73.85479.925-6.0710.92404
QQ, paired83.05179.925+3.1261.03911
64s, all flops20.84341.333-20.4900.50427
64s, rainbow, ten or higher15.04941.333-26.2840.36409
64s, rainbow, nine or lower35.72241.333-5.6110.86425
64s, two-tone22.74241.333-18.5910.55021
64s, monotone26.14641.333-15.1870.63257
64s, paired16.94941.333-24.3840.41006

Does a shared suit matter?

Of the deals of this matchup, 12 share a suit (QQ at 79.74%) and 12 do not (78.58%). QQ does better with a shared suit, by 1.16 points.

QQ against 64s by suit overlap, in percent
DealsSpecific dealsShare of dealsQQ winsTies64s winsQQ equity
Share a suit1250.0079.5170.44520.03879.740
No shared suit1250.0078.3950.36021.24578.575

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

To see what the equity is worth, imagine $100 each in a $200 pot. QQ is worth $158.32 on average (+$58.32); 64s is worth $41.68 (-$58.32).

Per 1,000 deals: QQ wins about 790, 64s wins about 206, and about 4 end in a split pot.

The same matchup from the other side

The reversed view, 64s against QQ, shows 20.84% for 64s and 79.16% for QQ. It is the same count, so it redirects here.

Open the calculator with QsQh against 6d4d 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

Nothing here is simulated. The 24 deals of QQ against 64s 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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