QJo vs 64s: preflop equity

Averaged over every possible board, QJo is ahead of 64s by 22.02 points of equity, 61.01% to 38.99%.

QJo

61.01%

Wins 60.56%, ties 0.90%

64s

38.99%

Wins 38.54%, ties 0.90%

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

QJo against 64s: the numbers

Exact preflop results for QJo against 64s, in percent
HandWinsTiesLosesEquity
QJo60.5570.90438.53961.009
64s38.5390.90460.55738.991

Here an offsuit hand (QJo) meets a suited hand (64s). Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

That is a modest edge, the kind that shows up over many hands and is easy to miss in one. Ties are 0.90% of the outcomes here; each tied board gives both hands half the pot.

The hand ranking puts QJo at 39 and 64s at 138 out of 169 starting hands.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QJo49,772,000743,00031,675,000
64s31,675,000743,00049,772,000

Exact total: 48 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.

QJo against 64s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QJo1.5651.6512.5950.639
64s0.6392.5951.6511.565

The last column is the smallest pot odds, written as a pot-to-call ratio, at which a call breaks even with this equity.

Who is ahead on which flops

Across the five flop textures QJo's equity moves by 35.40 points, from 34.27% on low rainbow flops (nine high or lower) to 69.67% on rainbow flops topped by a ten or better. QJo is the favorite overall but falls behind on low rainbow flops (nine high or lower).

QJo against 64s by flop texture, in percent
FlopShare of flopsQJo winsTies64s winsQJo equity
Rainbow, ten or higher24.71769.4580.42530.11769.670
Rainbow, nine or lower6.31333.8570.83465.30934.274
Two-tone46.66759.3270.48240.19159.568
Monotone5.21257.8792.57739.54459.168
Paired17.09161.7242.26736.00962.857

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

A random hand would give QJo 58.14% and 64s 41.33%. Against each other the change is +2.87 points for QJo and -2.34 for 64s.

QJo and 64s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QJo, all flops61.00958.135+2.8741.04944
QJo, rainbow, ten or higher69.67058.135+11.5351.19842
QJo, rainbow, nine or lower34.27458.135-23.8610.58956
QJo, two-tone59.56858.135+1.4331.02465
QJo, monotone59.16858.135+1.0331.01777
QJo, paired62.85758.135+4.7221.08122
64s, all flops38.99141.333-2.3420.94334
64s, rainbow, ten or higher30.33041.333-11.0030.73380
64s, rainbow, nine or lower65.72641.333+24.3931.59016
64s, two-tone40.43241.333-0.9010.97820
64s, monotone40.83241.333-0.5010.98788
64s, paired37.14341.333-4.1900.89863

Does a shared suit matter?

Looking only at deals where the hands share a suit, QJo has 61.73%; looking only at deals where they do not, 60.29%. QJo does better with a shared suit, by 1.44 points.

QJo against 64s by suit overlap, in percent
DealsSpecific dealsShare of dealsQJo winsTies64s winsQJo equity
Share a suit2450.0061.2580.94637.79661.731
No shared suit2450.0059.8570.86339.28060.288

How often this matchup comes up

The class pair covers 48 combinations of specific cards in a fixed seat order, 0.0030% of 1,624,350, and 96 (0.0059%) in either order.

A worked example

With $100 from each side, the $200 pot is split on average as $122.02 for QJo and $77.98 for 64s; the first side gains $22.02 per all-in and the second gives up $22.02.

A thousand deals look like this: QJo takes 606, 64s takes 385, 9 are ties.

The same matchup from the other side

Read it from the other side: 64s against QJo is the same matchup with the numbers swapped, so 64s holds 38.99% and QJo holds 61.01%. That address sends you back to this page.

QsJh against 6d4d is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength.

How this was computed

We counted every case. Each suit pattern of the 48 specific QJo against 64s deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops.

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

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