KTo vs 33: preflop equity

In equity, 33 against KTo stands at 51.17% to 48.83%, a gap of 2.34 points.

KTo

48.83%

Wins 48.46%, ties 0.74%

33

51.17%

Wins 50.80%, ties 0.74%

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

KTo against 33: the numbers

Exact preflop results for KTo against 33, in percent
HandWinsTiesLosesEquity
KTo48.4620.74450.79448.834
3350.7940.74448.46251.166

One side is an offsuit hand, the other is a pocket pair. This is a pair against two overcards, a matchup that stays close because the other hand only needs one of its ranks to appear.

With only 2.34 points between them, the board decides this matchup far more than the cards in hand. The tie share is 0.74%: on those boards the pot is chopped and neither hand wins outright.

Among the 169 starting hands, KTo is number 33 and 33 is number 66 by strength against a random hand.

Boards behind the percentages: 123,285,888 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KTo59,747,000917,00062,622,000
3362,622,000917,00059,747,000

The total is exact: 72 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 33 read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KTo0.9542.0631.9691.048
331.0481.9692.0630.954

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

The flop changes the picture. 33 does best on low rainbow flops (nine high or lower), at 76.93%, and worst on rainbow flops topped by a ten or better, at 44.67%. Watch for rainbow flops topped by a ten or better and monotone flops: on those flops KTo holds the better equity.

KTo against 33 by flop texture, in percent
FlopShare of flopsKTo winsTies33 winsKTo equity
Rainbow, ten or higher24.71755.1420.37044.48855.327
Rainbow, nine or lower6.31422.6080.91576.47723.066
Two-tone46.48548.7770.46650.75749.010
Monotone5.15150.0392.35347.60851.215
Paired17.33347.0421.47951.47947.781

Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank.

Compared with a random hand

Compared with a random opponent, this matchup shifts KTo from 59.74% by -10.91 points and 33 from 53.69% by -2.52 points.

KTo and 33 here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KTo, all flops48.83459.739-10.9050.81746
KTo, rainbow, ten or higher55.32759.739-4.4120.92615
KTo, rainbow, nine or lower23.06659.739-36.6730.38611
KTo, two-tone49.01059.739-10.7290.82040
KTo, monotone51.21559.739-8.5240.85731
KTo, paired47.78159.739-11.9580.79983
33, all flops51.16653.693-2.5270.95294
33, rainbow, ten or higher44.67353.693-9.0200.83201
33, rainbow, nine or lower76.93453.693+23.2411.43285
33, two-tone50.99053.693-2.7030.94966
33, monotone48.78553.693-4.9080.90859
33, paired52.21953.693-1.4740.97255

Does a shared suit matter?

Two kinds of deal exist here. In 60 of them the hands share a suit and 33 holds 51.08%. In 12 they do not, and it holds 51.59%. 33 does better with no shared suit, by 0.51 points.

KTo against 33 by suit overlap, in percent
DealsSpecific dealsShare of dealsKTo winsTies33 winsKTo equity
Share a suit6083.3348.5430.75450.70348.920
No shared suit1216.6748.0620.68951.24948.407

How often this matchup comes up

The class pair covers 72 combinations of specific cards in a fixed seat order, 0.0044% of 1,624,350, and 144 (0.0089%) in either order.

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. 33 is worth $102.34 on average (+$2.34); KTo is worth $97.66 (-$2.34).

Think in thousands: about 508 of 1,000 go to 33, about 485 go to KTo, and about 7 are chopped.

The same matchup from the other side

33 against KTo adds nothing new: it is 51.17% for 33 and 48.83% for KTo, the same figures reversed.

Try KsTh against 3d3c in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking.

How this was computed

Nothing here is simulated. The 72 deals of KTo against 33 fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops.

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

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