QJs vs 53s: preflop equity

Dealt all in against each other, QJs takes 63.30% of the pot on average and 53s takes the other 36.70%.

QJs

63.30%

Wins 62.82%, ties 0.96%

53s

36.70%

Wins 36.22%, ties 0.96%

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

QJs against 53s: the numbers

Exact preflop results for QJs against 53s, in percent
HandWinsTiesLosesEquity
QJs62.8230.96336.21463.304
53s36.2140.96362.82336.696

Two suited hands meet here: QJs against 53s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

A 26.60 point lead is real, and 53s still takes about 362 of every 1,000 deals outright. 0.96% of boards are ties, so the equity of each hand is its win rate plus half of that.

In the ranking of all 169 starting hands, QJs is number 28 and 53s is number 146.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QJs17,212,000264,0009,922,000
53s9,922,000264,00017,212,000

The total is exact: 16 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand.

QJs against 53s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QJs1.7251.5922.7610.580
53s0.5802.7611.5921.725

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

QJs prefers rainbow flops topped by a ten or better, where it holds 70.28%, and likes low rainbow flops (nine high or lower) least, where it holds 37.85%. Low rainbow flops (nine high or lower) favor 53s, the hand that is behind overall.

QJs against 53s by flop texture, in percent
FlopShare of flopsQJs winsTies53s winsQJs equity
Rainbow, ten or higher24.59570.0640.43729.49970.282
Rainbow, nine or lower6.31437.3790.93461.68737.846
Two-tone46.72762.4420.49637.06262.690
Monotone5.27358.6813.68137.63860.522
Paired17.09164.1192.17233.70965.205

Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank.

Compared with a random hand

Each hand has a baseline against a random hand: 60.26% for QJs, 39.69% for 53s. Here the change is +3.04 and -2.99 points.

QJs and 53s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QJs, all flops63.30460.259+3.0451.05053
QJs, rainbow, ten or higher70.28260.259+10.0231.16633
QJs, rainbow, nine or lower37.84660.259-22.4130.62806
QJs, two-tone62.69060.259+2.4311.04034
QJs, monotone60.52260.259+0.2631.00436
QJs, paired65.20560.259+4.9461.08208
53s, all flops36.69639.693-2.9970.92450
53s, rainbow, ten or higher29.71839.693-9.9750.74870
53s, rainbow, nine or lower62.15439.693+22.4611.56587
53s, two-tone37.31039.693-2.3830.93996
53s, monotone39.47839.693-0.2150.99458
53s, paired34.79539.693-4.8980.87660

Does a shared suit matter?

The suit split reads 65.65% for QJs with a shared suit and 62.52% without one. QJs does better with a shared suit, by 3.13 points.

QJs against 53s by suit overlap, in percent
DealsSpecific dealsShare of dealsQJs winsTies53s winsQJs equity
Share a suit425.0065.1141.06533.82165.646
No shared suit1275.0062.0590.93037.01162.524

How often this matchup comes up

How often does it happen? 16 of the 1,624,350 ordered deals (0.0010%) are QJs against 53s, and 32 (0.0020%) if either hand may sit in either seat.

A worked example

Say each player puts $100 in before the flop, making a $200 pot. On average QJs takes back $126.60 of it, which is $26.60 more than it put in, and 53s takes back $73.40, $26.60 less than it put in.

Think in thousands: about 628 of 1,000 go to QJs, about 362 go to 53s, and about 10 are chopped.

The same matchup from the other side

If you came looking for 53s against QJs, the numbers are the same with the hands swapped: 36.70% and 63.30%.

Open the calculator with QsJs against 5h3h 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

All 1,712,304 five-card boards are dealt for every suit pattern among the 16 specific deals of QJs against 53s, and both hands are scored on each. That is a full count, so the percentages are exact. Ties are half a win each, and each board appears once per flop it contains.

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

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