QJo vs JTo: preflop equity

In equity, QJo against JTo stands at 73.56% to 26.44%, a gap of 47.12 points.

QJo

73.56%

Wins 71.66%, ties 3.80%

JTo

26.44%

Wins 24.54%, ties 3.80%

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

QJo against JTo: the numbers

Exact preflop results for QJo against JTo, in percent
HandWinsTiesLosesEquity
QJo71.6573.79724.54673.555
JTo24.5463.79771.65726.445

Two offsuit hands meet here: QJo against JTo. Sharing a rank is the signature of a dominated hand, since the weaker hand is usually out-kicked when the shared rank shows up.

QJo is well ahead, and JTo needs a specific kind of board to catch up. Split pots make up 3.80% of the boards, and both equity figures count them as half a win each.

By strength against a random hand, QJo holds place 39 of 169 and JTo holds place 57.

Boards behind the percentages: 184,928,832 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QJo132,514,0007,022,00045,393,000
JTo45,393,0007,022,000132,514,000

108 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand.

QJo against JTo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QJo2.7811.3964.0740.360
JTo0.3604.0741.3962.781

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

Low rainbow flops (nine high or lower) are the best for QJo (81.19%); monotone flops are the worst (69.93%). QJo stays ahead on all five textures.

QJo against JTo by flop texture, in percent
FlopShare of flopsQJo winsTiesJTo winsQJo equity
Rainbow, ten or higher23.27569.0593.78027.16170.949
Rainbow, nine or lower7.77180.6471.07918.27481.187
Two-tone46.47771.6103.03525.35573.128
Monotone5.14468.0273.80928.16469.931
Paired17.33372.3167.07920.60575.856

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

Start from the random-hand figures, 58.14% for QJo and 55.25% for JTo. This opponent changes them by +15.42 and -28.81 points.

QJo and JTo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QJo, all flops73.55558.135+15.4201.26524
QJo, rainbow, ten or higher70.94958.135+12.8141.22042
QJo, rainbow, nine or lower81.18758.135+23.0521.39653
QJo, two-tone73.12858.135+14.9931.25790
QJo, monotone69.93158.135+11.7961.20291
QJo, paired75.85658.135+17.7211.30482
JTo, all flops26.44555.248-28.8030.47866
JTo, rainbow, ten or higher29.05155.248-26.1970.52583
JTo, rainbow, nine or lower18.81355.248-36.4350.34052
JTo, two-tone26.87255.248-28.3760.48639
JTo, monotone30.06955.248-25.1790.54425
JTo, paired24.14455.248-31.1040.43701

Does a shared suit matter?

Two kinds of deal exist here. In 84 of them the hands share a suit and QJo holds 73.73%. In 24 they do not, and it holds 72.96%. QJo does better with a shared suit, by 0.77 points.

QJo against JTo by suit overlap, in percent
DealsSpecific dealsShare of dealsQJo winsTiesJTo winsQJo equity
Share a suit8477.7871.8113.82724.36273.725
No shared suit2422.2271.1173.69225.19172.963

How often this matchup comes up

The class pair covers 108 combinations of specific cards in a fixed seat order, 0.0066% of 1,624,350, and 216 (0.0133%) in either order.

A worked example

Put $100 each into a $200 pot and deal every board once: QJo averages $147.12 back, ahead of its $100 by $47.12, while JTo averages $52.88, short of its $100 by $47.12.

Think in thousands: about 717 of 1,000 go to QJo, about 245 go to JTo, and about 38 are chopped.

The same matchup from the other side

JTo versus QJo is this same page seen from the other hand: 26.44% for JTo, 73.56% for QJo.

The calculator link fills in QsJh against JdTc, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength.

How this was computed

This is an exact count with no sampling. For the 108 ways to deal one QJo and one JTo without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops.

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

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