K9s vs 33: preflop equity

The exact count puts K9s at 50.09% and 33 at 49.91% when the two hands see all five board cards.

K9s

50.09%

Wins 49.70%, ties 0.77%

33

49.91%

Wins 49.53%, ties 0.77%

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

K9s against 33: the numbers

Exact preflop results for K9s against 33, in percent
HandWinsTiesLosesEquity
K9s49.7020.77049.52850.087
3349.5280.77049.70249.913

Here a suited hand (K9s) meets a pocket pair (33). This is a pair against two overcards, a matchup that stays close because the other hand only needs one of its ranks to appear.

That is a slim edge: neither hand is far ahead. Of every 100 boards, about 0.77 are split pots, and the equity figures already include them.

Ranked by equity against a random hand, K9s is number 29 of the 169 starting hands and 33 is number 66.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
K9s20,425,000316,00020,354,000
3320,354,000316,00020,425,000

Exact total: 24 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.

K9s against 33 read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
K9s1.0032.0122.0190.997
330.9972.0192.0121.003

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

The flop changes the picture. K9s does best on two-tone flops, at 51.14%, and worst on low rainbow flops (nine high or lower), at 41.44%. Watch for low rainbow flops (nine high or lower) and paired flops: on those flops 33 holds the better equity.

K9s against 33 by flop texture, in percent
FlopShare of flopsK9s winsTies33 winsK9s equity
Rainbow, ten or higher25.22050.5200.37249.10850.706
Rainbow, nine or lower5.68940.9960.88258.12241.437
Two-tone46.54550.9260.43648.63851.144
Monotone5.21248.4143.26148.32550.044
Paired17.33448.4681.46250.07049.199

Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank.

Compared with a random hand

A random hand would give K9s 59.99% and 33 53.69%. Against each other the change is -9.90 points for K9s and -3.78 for 33.

K9s and 33 here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
K9s, all flops50.08759.988-9.9010.83495
K9s, rainbow, ten or higher50.70659.988-9.2820.84527
K9s, rainbow, nine or lower41.43759.988-18.5510.69075
K9s, two-tone51.14459.988-8.8440.85257
K9s, monotone50.04459.988-9.9440.83423
K9s, paired49.19959.988-10.7890.82015
33, all flops49.91353.693-3.7800.92960
33, rainbow, ten or higher49.29453.693-4.3990.91807
33, rainbow, nine or lower58.56353.693+4.8701.09070
33, two-tone48.85653.693-4.8370.90991
33, monotone49.95653.693-3.7370.93040
33, paired50.80153.693-2.8920.94614

Does a shared suit matter?

Looking only at deals where the hands share a suit, K9s has 49.90%; looking only at deals where they do not, 50.27%. K9s does better with no shared suit, by 0.37 points.

K9s against 33 by suit overlap, in percent
DealsSpecific dealsShare of dealsK9s winsTies33 winsK9s equity
Share a suit1250.0049.5010.80149.69849.901
No shared suit1250.0049.9030.73949.35850.273

How often this matchup comes up

How often does it happen? 24 of the 1,624,350 ordered deals (0.0015%) are K9s against 33, and 48 (0.0030%) if either hand may sit in either seat.

A worked example

Take a $200 pot built from $100 each. K9s' equity of 50.09% is worth $100.18, a $0.18 edge, and 33's 49.91% is worth $99.82, which is $0.18 under its stake.

Out of 1,000 deals you should see around 497 outright wins for K9s, 495 for 33, and 8 split pots.

The same matchup from the other side

Read it from the other side: 33 against K9s is the same matchup with the numbers swapped, so 33 holds 49.91% and K9s holds 50.09%. That address sends you back to this page.

Open the calculator with Ks9s against 3h3d 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 24 specific K9s against 33 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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