KQo vs 54s: preflop equity

If KQo and 54s get all the chips in before the flop, KQo owns 59.04% of the pot in the long run and 54s owns 40.96%.

KQo

59.04%

Wins 58.68%, ties 0.72%

54s

40.96%

Wins 40.60%, ties 0.72%

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

KQo against 54s: the numbers

Exact preflop results for KQo against 54s, in percent
HandWinsTiesLosesEquity
KQo58.6810.71740.60259.039
54s40.6020.71758.68140.961

KQo, an offsuit hand, plays 54s, a suited hand. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

The lead is steady rather than large, and the flop still has plenty of say in who wins. A split pot comes up on 0.72% of boards, so the wins and the equity differ by half of that.

Place 23 of 169 belongs to KQo and place 136 belongs to 54s in the ranking against a random hand.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KQo48,230,000589,00033,371,000
54s33,371,000589,00048,230,000

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 54s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KQo1.4411.7042.4630.694
54s0.6942.4631.7041.441

The final column gives the least the pot must offer for each unit called for a call to break even at this equity.

Who is ahead on which flops

Break the boards down by their first three cards and KQo is strongest on rainbow flops topped by a ten or better (67.21%) and weakest on low rainbow flops (nine high or lower) (32.11%). Watch for low rainbow flops (nine high or lower): on those flops 54s holds the better equity.

KQo against 54s by flop texture, in percent
FlopShare of flopsKQo winsTies54s winsKQo equity
Rainbow, ten or higher24.71767.0500.30932.64167.205
Rainbow, nine or lower6.31331.5831.04467.37332.105
Two-tone46.66757.1520.43442.41457.369
Monotone5.21256.3002.56841.13257.584
Paired17.09161.4881.39637.11662.186

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

Start from the random-hand figures, 61.46% for KQo and 41.45% for 54s. This opponent changes them by -2.42 and -0.49 points.

KQo and 54s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KQo, all flops59.03961.456-2.4170.96067
KQo, rainbow, ten or higher67.20561.456+5.7491.09355
KQo, rainbow, nine or lower32.10561.456-29.3510.52241
KQo, two-tone57.36961.456-4.0870.93350
KQo, monotone57.58461.456-3.8720.93700
KQo, paired62.18661.456+0.7301.01188
54s, all flops40.96141.453-0.4920.98813
54s, rainbow, ten or higher32.79541.453-8.6580.79114
54s, rainbow, nine or lower67.89541.453+26.4421.63788
54s, two-tone42.63141.453+1.1781.02842
54s, monotone42.41641.453+0.9631.02323
54s, paired37.81441.453-3.6390.91221

Does a shared suit matter?

Split by suits, the deals give KQo 59.73% when the hands overlap in a suit and 58.35% when they do not. KQo does better with a shared suit, by 1.38 points.

KQo against 54s by suit overlap, in percent
DealsSpecific dealsShare of dealsKQo winsTies54s winsKQo equity
Share a suit2450.0059.3480.75739.89559.726
No shared suit2450.0058.0130.67841.30958.352

How often this matchup comes up

The class pair covers 48 combinations of specific cards in a fixed seat order, 0.0030% of 1,624,350, and 96 (0.0059%) in either order.

A worked example

Take a $200 pot built from $100 each. KQo's equity of 59.04% is worth $118.08, a $18.08 edge, and 54s' 40.96% is worth $81.92, which is $18.08 under its stake.

Per 1,000 deals: KQo wins about 587, 54s wins about 406, and about 7 end in a split pot.

The same matchup from the other side

54s against KQo adds nothing new: it is 40.96% for 54s and 59.04% for KQo, the same figures reversed.

Open the calculator with KsQh against 5d4d 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

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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