KQo vs A7s: preflop equity

Before any board card is dealt, A7s holds 59.78% equity against KQo, which leaves KQo with 40.22%.

KQo

40.22%

Wins 40.00%, ties 0.45%

A7s

59.78%

Wins 59.55%, ties 0.45%

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

KQo against A7s: the numbers

Exact preflop results for KQo against A7s, in percent
HandWinsTiesLosesEquity
KQo39.9950.44859.55740.219
A7s59.5570.44839.99559.781

The first hand is an offsuit hand; the second is 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. Ties are part of the picture: 0.45% of boards end in a split pot, and each side counts that as half a win.

For context, KQo sits at number 23 of 169 starting hands and A7s at number 24 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
KQo32,872,000368,00048,950,000
A7s48,950,000368,00032,872,000

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.

KQo against A7s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KQo0.6732.5001.6791.486
A7s1.4861.6792.5000.673

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 A7s (77.70%); rainbow flops topped by a ten or better are the worst (52.02%). A7s stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

KQo against A7s by flop texture, in percent
FlopShare of flopsKQo winsTiesA7s winsKQo equity
Rainbow, ten or higher23.98847.9170.12051.96347.977
Rainbow, nine or lower7.04221.8610.88777.25222.305
Two-tone46.66740.4040.27459.32240.541
Monotone5.21242.3652.37555.26043.553
Paired17.09134.5090.61664.87534.817

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

Relative to a random opponent, KQo changes by -21.24 points (baseline 61.46%) and A7s by -1.20 points (baseline 60.98%).

KQo and A7s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KQo, all flops40.21961.456-21.2370.65444
KQo, rainbow, ten or higher47.97761.456-13.4790.78067
KQo, rainbow, nine or lower22.30561.456-39.1510.36294
KQo, two-tone40.54161.456-20.9150.65968
KQo, monotone43.55361.456-17.9030.70869
KQo, paired34.81761.456-26.6390.56654
A7s, all flops59.78160.984-1.2030.98027
A7s, rainbow, ten or higher52.02360.984-8.9610.85306
A7s, rainbow, nine or lower77.69560.984+16.7111.27402
A7s, two-tone59.45960.984-1.5250.97499
A7s, monotone56.44760.984-4.5370.92560
A7s, paired65.18360.984+4.1991.06885

Does a shared suit matter?

Two kinds of deal exist here. In 24 of them the hands share a suit and A7s holds 59.44%. In 24 they do not, and it holds 60.13%. A7s does better with no shared suit, by 0.69 points.

KQo against A7s by suit overlap, in percent
DealsSpecific dealsShare of dealsKQo winsTiesA7s winsKQo equity
Share a suit2450.0040.3210.48859.19140.565
No shared suit2450.0039.6700.40859.92239.874

How often this matchup comes up

Counting specific cards, KQo against A7s appears in 48 of the 1,624,350 ordered heads-up deals (0.0030%), and in 96 when the seats are swapped too (0.0059%).

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. A7s is worth $119.56 on average (+$19.56); KQo is worth $80.44 (-$19.56).

Out of 1,000 deals you should see around 596 outright wins for A7s, 400 for KQo, and 4 split pots.

The same matchup from the other side

Swap the hands and you get A7s with 59.78% against KQo with 40.22%. We keep one page per matchup, with the better-ranked hand first.

The calculator link fills in KsQh against Ad7d, 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

Method: exact enumeration. The 48 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board.

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

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