KQo vs 87s: preflop equity

If KQo and 87s get all the chips in before the flop, KQo owns 60.74% of the pot in the long run and 87s owns 39.26%.

KQo

60.74%

Wins 60.42%, ties 0.65%

87s

39.26%

Wins 38.93%, ties 0.65%

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

KQo against 87s: the numbers

Exact preflop results for KQo against 87s, in percent
HandWinsTiesLosesEquity
KQo60.4210.64538.93460.743
87s38.9340.64560.42139.257

KQo, an offsuit hand, plays 87s, a suited hand. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

That is a modest edge, the kind that shows up over many hands and is easy to miss in one. Split pots make up 0.65% of the boards, and both equity figures count them as half a win each.

Among the 169 starting hands, KQo is number 23 and 87s is number 100 by strength against a random hand.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KQo49,660,000530,00032,000,000
87s32,000,000530,00049,660,000

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.

KQo against 87s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KQo1.5471.6552.5680.646
87s0.6462.5681.6551.547

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

The flop changes the picture. KQo does best on rainbow flops topped by a ten or better, at 69.13%, and worst on low rainbow flops (nine high or lower), at 35.04%. On low rainbow flops (nine high or lower) the numbers flip and 87s is the one ahead.

KQo against 87s by flop texture, in percent
FlopShare of flopsKQo winsTies87s winsKQo equity
Rainbow, ten or higher24.71768.9730.31430.71369.130
Rainbow, nine or lower6.31334.7380.59364.66935.035
Two-tone46.66759.1080.35040.54259.283
Monotone5.21257.6392.44439.91758.861
Paired17.09161.9721.39936.62962.672

A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank.

Compared with a random hand

How much does the opponent matter? Compared with its random-hand 61.46%, KQo changes by -0.72 points, and 87s, from 47.94%, by -8.68.

KQo and 87s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KQo, all flops60.74361.456-0.7130.98840
KQo, rainbow, ten or higher69.13061.456+7.6741.12487
KQo, rainbow, nine or lower35.03561.456-26.4210.57008
KQo, two-tone59.28361.456-2.1730.96464
KQo, monotone58.86161.456-2.5950.95777
KQo, paired62.67261.456+1.2161.01979
87s, all flops39.25747.936-8.6790.81895
87s, rainbow, ten or higher30.87047.936-17.0660.64398
87s, rainbow, nine or lower64.96547.936+17.0291.35524
87s, two-tone40.71747.936-7.2190.84940
87s, monotone41.13947.936-6.7970.85821
87s, paired37.32847.936-10.6080.77870

Does a shared suit matter?

Two kinds of deal exist here. In 24 of them the hands share a suit and KQo holds 61.46%. In 24 they do not, and it holds 60.03%. KQo does better with a shared suit, by 1.43 points.

KQo against 87s by suit overlap, in percent
DealsSpecific dealsShare of dealsKQo winsTies87s winsKQo equity
Share a suit2450.0061.1160.68638.19861.459
No shared suit2450.0059.7250.60439.67160.027

How often this matchup comes up

This page stands for 48 specific-card matchups (0.0030% of 1,624,350 ordered deals), or 96 once you count the seats both ways (0.0059%).

A worked example

Worked example: both players commit $100, so $200 sits in the middle. Over every board, KQo's average share is $121.48 (a gain of $21.48) and 87s' is $78.52 (a loss of $21.48).

Out of 1,000 deals you should see around 604 outright wins for KQo, 389 for 87s, and 7 split pots.

The same matchup from the other side

87s against KQo adds nothing new: it is 39.26% for 87s and 60.74% for KQo, the same figures reversed.

KsQh against 8d7d is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength.

How this was computed

All 1,712,304 five-card boards are dealt for every suit pattern among the 48 specific deals of KQo against 87s, 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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