K9s vs QTo: preflop equity

Dealt all in against each other, K9s takes 59.88% of the pot on average and QTo takes the other 40.12%.

K9s

59.88%

Wins 59.54%, ties 0.67%

QTo

40.12%

Wins 39.79%, ties 0.67%

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

K9s against QTo: the numbers

Exact preflop results for K9s against QTo, in percent
HandWinsTiesLosesEquity
K9s59.5430.67239.78559.879
QTo39.7850.67259.54340.121

K9s, a suited hand, plays QTo, an offsuit hand. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

That is a modest edge, the kind that shows up over many hands and is easy to miss in one. Of every 100 boards, about 0.67 are split pots, and the equity figures already include them.

Among the 169 starting hands, K9s is number 29 and QTo is number 47 by strength against a random hand.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
K9s48,939,000552,00032,700,000
QTo32,700,000552,00048,939,000

Exact total: 48 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 QTo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
K9s1.4921.6792.5140.670
QTo0.6702.5141.6791.492

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

K9s prefers low rainbow flops (nine high or lower), where it holds 74.74%, and likes rainbow flops topped by a ten or better least, where it holds 53.23%. K9s stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

K9s against QTo by flop texture, in percent
FlopShare of flopsK9s winsTiesQTo winsK9s equity
Rainbow, ten or higher23.98853.0800.29546.62553.227
Rainbow, nine or lower7.04274.3360.79824.86674.735
Two-tone46.66759.3220.37840.30059.511
Monotone5.21255.0662.45242.48256.292
Paired17.09164.4881.41034.10265.193

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 QTo 57.29%. Against each other the change is -0.11 points for K9s and -17.17 for QTo.

K9s and QTo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
K9s, all flops59.87959.988-0.1090.99818
K9s, rainbow, ten or higher53.22759.988-6.7610.88729
K9s, rainbow, nine or lower74.73559.988+14.7471.24583
K9s, two-tone59.51159.988-0.4770.99205
K9s, monotone56.29259.988-3.6960.93839
K9s, paired65.19359.988+5.2051.08677
QTo, all flops40.12157.291-17.1700.70030
QTo, rainbow, ten or higher46.77357.291-10.5180.81641
QTo, rainbow, nine or lower25.26557.291-32.0260.44099
QTo, two-tone40.48957.291-16.8020.70673
QTo, monotone43.70857.291-13.5830.76291
QTo, paired34.80757.291-22.4840.60755

Does a shared suit matter?

Looking only at deals where the hands share a suit, K9s has 59.57%; looking only at deals where they do not, 60.19%. K9s does better with no shared suit, by 0.62 points.

K9s against QTo by suit overlap, in percent
DealsSpecific dealsShare of dealsK9s winsTiesQTo winsK9s equity
Share a suit2450.0059.2120.71340.07559.569
No shared suit2450.0059.8740.63239.49460.190

How often this matchup comes up

You will meet this exact matchup 0.0059% of the time in a random heads-up deal: 96 of 1,624,350, counting either seat order.

A worked example

Say each player puts $100 in before the flop, making a $200 pot. On average K9s takes back $119.76 of it, which is $19.76 more than it put in, and QTo takes back $80.24, $19.76 less than it put in.

In 1,000 deals of exactly this matchup, expect about 595 won outright by K9s, about 398 won outright by QTo and about 7 split.

The same matchup from the other side

Read it from the other side: QTo against K9s is the same matchup with the numbers swapped, so QTo holds 40.12% and K9s holds 59.88%. That address sends you back to this page.

Ks9s against QhTd 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

The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 48 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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