JJ vs 53s: preflop equity

Before any board card is dealt, JJ holds 79.13% equity against 53s, which leaves 53s with 20.87%.

JJ

79.13%

Wins 78.89%, ties 0.47%

53s

20.87%

Wins 20.64%, ties 0.47%

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

JJ against 53s: the numbers

Exact preflop results for JJ against 53s, in percent
HandWinsTiesLosesEquity
JJ78.8920.47020.63879.127
53s20.6380.47078.89220.873

JJ is a pocket pair and 53s is a suited hand. Here a pair faces two cards that are both smaller, so the other hand needs to pair up and still be behind.

A lead of 58.26 points is large but not decisive: 53s still takes about 206 of every 1,000 deals. Ties are 0.47% of the outcomes here; each tied board gives both hands half the pot.

Place 4 of 169 belongs to JJ and place 146 belongs to 53s in the ranking against a random hand.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
JJ32,421,000193,0008,481,000
53s8,481,000193,00032,421,000

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.

JJ against 53s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
JJ3.7911.2684.8450.264
53s0.2644.8451.2683.791

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

The flop changes the picture. JJ does best on rainbow flops topped by a ten or better, at 84.31%, and worst on low rainbow flops (nine high or lower), at 66.67%. JJ stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

JJ against 53s by flop texture, in percent
FlopShare of flopsJJ winsTies53s winsJJ equity
Rainbow, ten or higher24.59584.2010.21515.58484.309
Rainbow, nine or lower6.31466.1710.99432.83566.668
Two-tone46.54577.0600.35222.58877.236
Monotone5.21272.6032.51024.88773.858
Paired17.33482.8040.34316.85382.975

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

Relative to a random opponent, JJ changes by +1.66 points (baseline 77.47%) and 53s by -18.82 points (baseline 39.69%).

JJ and 53s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
JJ, all flops79.12777.469+1.6581.02140
JJ, rainbow, ten or higher84.30977.469+6.8401.08829
JJ, rainbow, nine or lower66.66877.469-10.8010.86058
JJ, two-tone77.23677.469-0.2330.99699
JJ, monotone73.85877.469-3.6110.95339
JJ, paired82.97577.469+5.5061.07107
53s, all flops20.87339.693-18.8200.52586
53s, rainbow, ten or higher15.69139.693-24.0020.39531
53s, rainbow, nine or lower33.33239.693-6.3610.83975
53s, two-tone22.76439.693-16.9290.57350
53s, monotone26.14239.693-13.5510.65860
53s, paired17.02539.693-22.6680.42892

Does a shared suit matter?

Looking only at deals where the hands share a suit, JJ has 79.71%; looking only at deals where they do not, 78.55%. JJ does better with a shared suit, by 1.16 points.

JJ against 53s by suit overlap, in percent
DealsSpecific dealsShare of dealsJJ winsTies53s winsJJ equity
Share a suit1250.0079.4520.51220.03679.708
No shared suit1250.0078.3330.42721.24078.547

How often this matchup comes up

This page stands for 24 specific-card matchups (0.0015% of 1,624,350 ordered deals), or 48 once you count the seats both ways (0.0030%).

A worked example

Take a $200 pot built from $100 each. JJ's equity of 79.13% is worth $158.26, a $58.26 edge, and 53s' 20.87% is worth $41.74, which is $58.26 under its stake.

Run 1,000 deals and the tally comes out near 789 for JJ, 206 for 53s and 5 ties.

The same matchup from the other side

53s versus JJ is this same page seen from the other hand: 20.87% for 53s, 79.13% for JJ.

Try JsJh against 5d3d in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking.

How this was computed

The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 24 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it.

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

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