KTo vs 54s: preflop equity

Before any board card is dealt, KTo holds 59.54% equity against 54s, which leaves 54s with 40.46%.

KTo

59.54%

Wins 59.19%, ties 0.70%

54s

40.46%

Wins 40.11%, ties 0.70%

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

KTo against 54s: the numbers

Exact preflop results for KTo against 54s, in percent
HandWinsTiesLosesEquity
KTo59.1860.70440.11059.538
54s40.1100.70459.18640.462

KTo, 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. Ties are part of the picture: 0.70% of boards end in a split pot, and each side counts that as half a win.

In the ranking of all 169 starting hands, KTo is number 33 and 54s is number 136.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KTo48,645,000579,00032,967,000
54s32,967,000579,00048,645,000

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.

KTo against 54s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KTo1.4711.6902.4930.680
54s0.6802.4931.6901.471

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

By flop texture, KTo's equity runs from 34.22% on low rainbow flops (nine high or lower) up to 67.44% on rainbow flops topped by a ten or better. The overall edge for KTo hides low rainbow flops (nine high or lower), where 54s comes out in front.

KTo against 54s by flop texture, in percent
FlopShare of flopsKTo winsTies54s winsKTo equity
Rainbow, ten or higher24.71767.2660.35532.37967.444
Rainbow, nine or lower6.31333.8280.77665.39634.216
Two-tone46.66757.7230.41741.86057.931
Monotone5.21256.6992.55540.74657.977
Paired17.09161.6221.40436.97462.324

Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank.

Compared with a random hand

Against one random hand instead, KTo holds 59.74% and 54s holds 41.45%. Facing each other changes that by -0.20 points for KTo and -0.99 points for 54s.

KTo and 54s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KTo, all flops59.53859.739-0.2010.99664
KTo, rainbow, ten or higher67.44459.739+7.7051.12898
KTo, rainbow, nine or lower34.21659.739-25.5230.57276
KTo, two-tone57.93159.739-1.8080.96974
KTo, monotone57.97759.739-1.7620.97051
KTo, paired62.32459.739+2.5851.04327
54s, all flops40.46241.453-0.9910.97609
54s, rainbow, ten or higher32.55641.453-8.8970.78537
54s, rainbow, nine or lower65.78441.453+24.3311.58695
54s, two-tone42.06941.453+0.6161.01486
54s, monotone42.02341.453+0.5701.01375
54s, paired37.67641.453-3.7770.90888

Does a shared suit matter?

Does suit overlap move the numbers? KTo has 60.23% when the hands share a suit and 58.85% when they do not. KTo does better with a shared suit, by 1.38 points.

KTo against 54s by suit overlap, in percent
DealsSpecific dealsShare of dealsKTo winsTies54s winsKTo equity
Share a suit2450.0059.8580.74539.39760.231
No shared suit2450.0058.5140.66440.82258.846

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 48 are KTo in one seat and 54s in the other (0.0030%); with the seats swapped too, 96 (0.0059%).

A worked example

With $100 from each side, the $200 pot is split on average as $119.08 for KTo and $80.92 for 54s; the first side gains $19.08 per all-in and the second gives up $19.08.

Run 1,000 deals and the tally comes out near 592 for KTo, 401 for 54s and 7 ties.

The same matchup from the other side

Swap the hands and you get 54s with 40.46% against KTo with 59.54%. We keep one page per matchup, with the better-ranked hand first.

Open the calculator with KsTh 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

We counted every case. Each suit pattern of the 48 specific KTo against 54s deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops.

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

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