KTo vs K9o: preflop equity

If KTo and K9o get all the chips in before the flop, KTo owns 72.08% of the pot in the long run and K9o owns 27.92%.

KTo

72.08%

Wins 66.87%, ties 10.43%

K9o

27.92%

Wins 22.70%, ties 10.43%

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

KTo against K9o: the numbers

Exact preflop results for KTo against K9o, in percent
HandWinsTiesLosesEquity
KTo66.87010.42522.70572.082
K9o22.70510.42566.87027.918

Both hands are offsuit hands: KTo and K9o. The two hands share a rank, and the one with the better other card dominates: it wins most kicker battles when that shared rank hits.

That is a clear edge, 72.08% to 27.92%, but K9o still wins often enough that one hand proves nothing. Ties are part of the picture: 10.43% of boards end in a split pot, and each side counts that as half a win.

Place 33 of 169 belongs to KTo and place 40 belongs to K9o in the ranking against a random hand.

Boards behind the percentages: 184,928,832 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KTo123,662,00019,279,00041,988,000
K9o41,988,00019,279,000123,662,000

The total is exact: 108 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.

KTo against K9o read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KTo2.5821.4954.4040.387
K9o0.3874.4041.4952.582

The last column is the smallest pot odds, written as a pot-to-call ratio, at which a call breaks even with this equity.

Who is ahead on which flops

By flop texture, KTo's equity runs from 63.23% on low rainbow flops (nine high or lower) up to 76.71% on rainbow flops topped by a ten or better. KTo stays ahead on all five textures.

KTo against K9o by flop texture, in percent
FlopShare of flopsKTo winsTiesK9o winsKTo equity
Rainbow, ten or higher24.00372.2708.87218.85876.706
Rainbow, nine or lower7.04261.8662.73535.39963.234
Two-tone46.47769.2597.36923.37272.944
Monotone5.14463.8487.61228.54067.654
Paired17.33455.91524.72719.35868.279

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 KTo 59.74% and K9o 57.81%. Against each other the change is +12.34 points for KTo and -29.89 for K9o.

KTo and K9o here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KTo, all flops72.08259.739+12.3431.20662
KTo, rainbow, ten or higher76.70659.739+16.9671.28402
KTo, rainbow, nine or lower63.23459.739+3.4951.05850
KTo, two-tone72.94459.739+13.2051.22104
KTo, monotone67.65459.739+7.9151.13249
KTo, paired68.27959.739+8.5401.14296
K9o, all flops27.91857.812-29.8940.48291
K9o, rainbow, ten or higher23.29457.812-34.5180.40293
K9o, rainbow, nine or lower36.76657.812-21.0460.63596
K9o, two-tone27.05657.812-30.7560.46800
K9o, monotone32.34657.812-25.4660.55950
K9o, paired31.72157.812-26.0910.54869

Does a shared suit matter?

Split by suits, the deals give KTo 72.19% when the hands overlap in a suit and 71.72% when they do not. KTo does better with a shared suit, by 0.47 points.

KTo against K9o by suit overlap, in percent
DealsSpecific dealsShare of dealsKTo winsTiesK9o winsKTo equity
Share a suit8477.7866.95410.46322.58372.185
No shared suit2422.2266.57710.29123.13271.723

How often this matchup comes up

This page stands for 108 specific-card matchups (0.0066% of 1,624,350 ordered deals), or 216 once you count the seats both ways (0.0133%).

A worked example

Put $100 each into a $200 pot and deal every board once: KTo averages $144.16 back, ahead of its $100 by $44.16, while K9o averages $55.84, short of its $100 by $44.16.

Run 1,000 deals and the tally comes out near 669 for KTo, 227 for K9o and 104 ties.

The same matchup from the other side

Swap the hands and you get K9o with 27.92% against KTo with 72.08%. We keep one page per matchup, with the better-ranked hand first.

The calculator link fills in KsTh against Kd9c, 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 108 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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