QTo vs 87s: preflop equity

In equity, QTo against 87s stands at 60.73% to 39.27%, a gap of 21.46 points.

QTo

60.73%

Wins 60.30%, ties 0.87%

87s

39.27%

Wins 38.83%, ties 0.87%

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

QTo against 87s: the numbers

Exact preflop results for QTo against 87s, in percent
HandWinsTiesLosesEquity
QTo60.2970.86538.83860.729
87s38.8380.86560.29739.271

Here an offsuit hand (QTo) meets a suited hand (87s). Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

QTo is ahead, but 87s is far from dead: it takes 388 of every 1,000 deals outright. Ties are 0.87% of the outcomes here; each tied board gives both hands half the pot.

For context, QTo sits at number 47 of 169 starting hands and 87s at number 100 when each is run against a random hand.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QTo49,558,000711,00031,921,000
87s31,921,000711,00049,558,000

The total is exact: 48 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.

QTo against 87s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QTo1.5461.6582.5750.647
87s0.6472.5751.6581.546

In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity.

Who is ahead on which flops

Across the five flop textures QTo's equity moves by 31.29 points, from 37.24% on low rainbow flops (nine high or lower) to 68.53% on rainbow flops topped by a ten or better. Low rainbow flops (nine high or lower) favor 87s, the hand that is behind overall.

QTo against 87s by flop texture, in percent
FlopShare of flopsQTo winsTies87s winsQTo equity
Rainbow, ten or higher24.71768.2810.48831.23168.525
Rainbow, nine or lower6.31337.0510.38362.56637.243
Two-tone46.66759.1070.43940.45459.327
Monotone5.21257.7132.51439.77358.970
Paired17.09161.3742.25036.37662.499

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

The table below sets each hand against its own random-hand baseline: a change of +3.44 points for QTo, from 57.29%, and -8.67 for 87s, from 47.94%.

QTo and 87s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QTo, all flops60.72957.291+3.4381.06001
QTo, rainbow, ten or higher68.52557.291+11.2341.19609
QTo, rainbow, nine or lower37.24357.291-20.0480.65007
QTo, two-tone59.32757.291+2.0361.03554
QTo, monotone58.97057.291+1.6791.02931
QTo, paired62.49957.291+5.2081.09090
87s, all flops39.27147.936-8.6650.81924
87s, rainbow, ten or higher31.47547.936-16.4610.65660
87s, rainbow, nine or lower62.75747.936+14.8211.30918
87s, two-tone40.67347.936-7.2630.84849
87s, monotone41.03047.936-6.9060.85593
87s, paired37.50147.936-10.4350.78231

Does a shared suit matter?

Does suit overlap move the numbers? QTo has 61.42% when the hands share a suit and 60.04% when they do not. QTo does better with a shared suit, by 1.38 points.

QTo against 87s by suit overlap, in percent
DealsSpecific dealsShare of dealsQTo winsTies87s winsQTo equity
Share a suit2450.0060.9610.90738.13261.415
No shared suit2450.0059.6330.82339.54460.044

How often this matchup comes up

How often does it happen? 48 of the 1,624,350 ordered deals (0.0030%) are QTo against 87s, and 96 (0.0059%) 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 QTo takes back $121.46 of it, which is $21.46 more than it put in, and 87s takes back $78.54, $21.46 less than it put in.

In 1,000 deals of exactly this matchup, expect about 603 won outright by QTo, about 388 won outright by 87s and about 9 split.

The same matchup from the other side

The reversed view, 87s against QTo, shows 39.27% for 87s and 60.73% for QTo. It is the same count, so it redirects here.

Open the calculator with QsTh against 8d7d 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

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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