KK vs 54s: preflop equity

Averaged over every possible board, KK is ahead of 54s by 54.96 points of equity, 77.48% to 22.52%.

KK

77.48%

Wins 77.25%, ties 0.46%

54s

22.52%

Wins 22.29%, ties 0.46%

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

KK against 54s: the numbers

Exact preflop results for KK against 54s, in percent
HandWinsTiesLosesEquity
KK77.2540.45822.28877.483
54s22.2880.45877.25422.517

KK is a pocket pair and 54s is a suited hand. A pair against two lower cards is a lopsided matchup: the pair is ahead and the other hand has no overcard to catch.

KK is the clear favorite, though 54s gets there on roughly one board in 4. Of every 100 boards, about 0.46 are split pots, and the equity figures already include them.

Place 2 of 169 belongs to KK and place 136 belongs to 54s in the ranking against a random hand.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KK31,748,000188,0009,159,000
54s9,159,000188,00031,748,000

The board total is exact, 24 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

KK against 54s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KK3.4411.2944.4870.291
54s0.2914.4871.2943.441

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

Rainbow flops topped by a ten or better are the best for KK (82.79%); low rainbow flops (nine high or lower) are the worst (63.04%). KK stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

KK against 54s by flop texture, in percent
FlopShare of flopsKK winsTies54s winsKK equity
Rainbow, ten or higher24.59582.6690.24717.08482.793
Rainbow, nine or lower6.31462.5001.07836.42263.039
Two-tone46.54575.2590.39024.35175.454
Monotone5.21271.2832.52826.18972.547
Paired17.33482.0950.09217.81382.141

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

A random hand would give KK 82.40% and 54s 41.45%. Against each other the change is -4.92 points for KK and -18.93 for 54s.

KK and 54s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KK, all flops77.48382.396-4.9130.94037
KK, rainbow, ten or higher82.79382.396+0.3971.00482
KK, rainbow, nine or lower63.03982.396-19.3570.76507
KK, two-tone75.45482.396-6.9420.91575
KK, monotone72.54782.396-9.8490.88047
KK, paired82.14182.396-0.2550.99691
54s, all flops22.51741.453-18.9360.54319
54s, rainbow, ten or higher17.20741.453-24.2460.41510
54s, rainbow, nine or lower36.96141.453-4.4920.89164
54s, two-tone24.54641.453-16.9070.59214
54s, monotone27.45341.453-14.0000.66227
54s, paired17.85941.453-23.5940.43083

Does a shared suit matter?

Looking only at deals where the hands share a suit, KK has 78.04%; looking only at deals where they do not, 76.93%. KK does better with a shared suit, by 1.11 points.

KK against 54s by suit overlap, in percent
DealsSpecific dealsShare of dealsKK winsTies54s winsKK equity
Share a suit1250.0077.7890.49921.71278.038
No shared suit1250.0076.7180.41822.86476.927

How often this matchup comes up

This page stands for 24 specific-card matchups (0.0015% of 1,624,350 ordered deals), or 48 once you count the seats both ways (0.0030%).

A worked example

Take a $200 pot built from $100 each. KK's equity of 77.48% is worth $154.96, a $54.96 edge, and 54s' 22.52% is worth $45.04, which is $54.96 under its stake.

Out of 1,000 deals you should see around 772 outright wins for KK, 223 for 54s, and 5 split pots.

The same matchup from the other side

The reversed view, 54s against KK, shows 22.52% for 54s and 77.48% for KK. It is the same count, so it redirects here.

The calculator link fills in KsKh against 5d4d, 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

The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 24 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows.

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

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