QJo vs 97s: preflop equity

Before any board card is dealt, QJo holds 61.95% equity against 97s, which leaves 97s with 38.05%.

QJo

61.95%

Wins 61.51%, ties 0.88%

97s

38.05%

Wins 37.61%, ties 0.88%

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

QJo against 97s: the numbers

Exact preflop results for QJo against 97s, in percent
HandWinsTiesLosesEquity
QJo61.5080.88337.60961.949
97s37.6090.88361.50838.051

The matchup pits an offsuit hand against a suited hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

The lead is steady rather than large, and the flop still has plenty of say in who wins. Split pots make up 0.88% of the boards, and both equity figures count them as half a win each.

The hand ranking puts QJo at 39 and 97s at 94 out of 169 starting hands.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QJo50,554,000726,00030,911,000
97s30,911,000726,00050,554,000

The board total is exact, 48 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

QJo against 97s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QJo1.6281.6262.6590.614
97s0.6142.6591.6261.628

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

Split by what the flop looks like, QJo peaks at 69.83% on rainbow flops topped by a ten or better and bottoms out at 38.85% on low rainbow flops (nine high or lower). QJo is the favorite overall but falls behind on low rainbow flops (nine high or lower).

QJo against 97s by flop texture, in percent
FlopShare of flopsQJo winsTies97s winsQJo equity
Rainbow, ten or higher24.71769.5970.45929.94469.826
Rainbow, nine or lower6.31338.5590.58760.85438.853
Two-tone46.66760.3750.45639.16960.603
Monotone5.21258.7032.52438.77359.965
Paired17.09162.2352.27035.49563.370

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

A random hand would give QJo 58.14% and 97s 49.12%. Against each other the change is +3.81 points for QJo and -11.07 for 97s.

QJo and 97s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QJo, all flops61.94958.135+3.8141.06561
QJo, rainbow, ten or higher69.82658.135+11.6911.20110
QJo, rainbow, nine or lower38.85358.135-19.2820.66832
QJo, two-tone60.60358.135+2.4681.04245
QJo, monotone59.96558.135+1.8301.03148
QJo, paired63.37058.135+5.2351.09005
97s, all flops38.05149.118-11.0670.77469
97s, rainbow, ten or higher30.17449.118-18.9440.61432
97s, rainbow, nine or lower61.14749.118+12.0291.24490
97s, two-tone39.39749.118-9.7210.80209
97s, monotone40.03549.118-9.0830.81508
97s, paired36.63049.118-12.4880.74576

Does a shared suit matter?

Looking only at deals where the hands share a suit, QJo has 62.66%; looking only at deals where they do not, 61.24%. QJo does better with a shared suit, by 1.42 points.

QJo against 97s by suit overlap, in percent
DealsSpecific dealsShare of dealsQJo winsTies97s winsQJo equity
Share a suit2450.0062.2000.92436.87662.662
No shared suit2450.0060.8160.84138.34361.237

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 48 are QJo in one seat and 97s in the other (0.0030%); with the seats swapped too, 96 (0.0059%).

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. QJo averages $123.90 from the $200, up $23.90; 97s averages $76.10, down $23.90.

Out of 1,000 deals you should see around 615 outright wins for QJo, 376 for 97s, and 9 split pots.

The same matchup from the other side

If you came looking for 97s against QJo, the numbers are the same with the hands swapped: 38.05% and 61.95%.

The calculator link fills in QsJh against 9d7d, 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

Each figure is a complete count over boards. Take the 48 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops.

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

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