K9o vs QTo: preflop equity

The exact count puts K9o at 57.77% and QTo at 42.23% when the two hands see all five board cards.

K9o

57.77%

Wins 57.44%, ties 0.67%

QTo

42.23%

Wins 41.89%, ties 0.67%

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

K9o against QTo: the numbers

Exact preflop results for K9o against QTo, in percent
HandWinsTiesLosesEquity
K9o57.4370.66641.89757.770
QTo41.8970.66657.43742.230

Here offsuit hands face each other, K9o on one side and QTo on the other. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

The lead is steady rather than large, and the flop still has plenty of say in who wins. A split pot comes up on 0.67% of boards, so the wins and the equity differ by half of that.

Place 40 of 169 belongs to K9o and place 47 belongs to QTo in the ranking against a random hand.

Boards behind the percentages: 246,571,776 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
K9o141,623,0001,642,000103,306,000
QTo103,306,0001,642,000141,623,000

The total is exact: 144 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.

K9o against QTo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
K9o1.3681.7412.3870.731
QTo0.7312.3871.7411.368

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

Across the five flop textures K9o's equity moves by 21.94 points, from 51.81% on rainbow flops topped by a ten or better to 73.75% on low rainbow flops (nine high or lower). K9o stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

K9o against QTo by flop texture, in percent
FlopShare of flopsK9o winsTiesQTo winsK9o equity
Rainbow, ten or higher24.11051.6580.30448.03851.810
Rainbow, nine or lower7.04273.3320.83625.83273.750
Two-tone46.60656.3970.41143.19256.603
Monotone5.15154.2461.80143.95355.146
Paired17.09162.8371.46235.70163.568

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

The table below sets each hand against its own random-hand baseline: a change of -0.04 points for K9o, from 57.81%, and -15.06 for QTo, from 57.29%.

K9o and QTo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
K9o, all flops57.77057.812-0.0420.99927
K9o, rainbow, ten or higher51.81057.812-6.0020.89618
K9o, rainbow, nine or lower73.75057.812+15.9381.27569
K9o, two-tone56.60357.812-1.2090.97909
K9o, monotone55.14657.812-2.6660.95389
K9o, paired63.56857.812+5.7561.09956
QTo, all flops42.23057.291-15.0610.73711
QTo, rainbow, ten or higher48.19057.291-9.1010.84114
QTo, rainbow, nine or lower26.25057.291-31.0410.45819
QTo, two-tone43.39757.291-13.8940.75748
QTo, monotone44.85457.291-12.4370.78292
QTo, paired36.43257.291-20.8590.63591

Does a shared suit matter?

Does suit overlap move the numbers? K9o has 57.78% when the hands share a suit and 57.72% when they do not. The two rows differ by only 0.06 points, so suits barely change this matchup.

K9o against QTo by suit overlap, in percent
DealsSpecific dealsShare of dealsK9o winsTiesQTo winsK9o equity
Share a suit12083.3357.4400.68241.87857.781
No shared suit2416.6757.4240.58741.98957.717

How often this matchup comes up

The class pair covers 144 combinations of specific cards in a fixed seat order, 0.0089% of 1,624,350, and 288 (0.0177%) in either order.

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. K9o is worth $115.54 on average (+$15.54); QTo is worth $84.46 (-$15.54).

A thousand deals look like this: K9o takes 574, QTo takes 419, 7 are ties.

The same matchup from the other side

Read it from the other side: QTo against K9o is the same matchup with the numbers swapped, so QTo holds 42.23% and K9o holds 57.77%. That address sends you back to this page.

Ks9h against QdTc is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength.

How this was computed

Each figure is a complete count over boards. Take the 144 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops.

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

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