KTo vs T8s: preflop equity

In equity, KTo against T8s stands at 68.89% to 31.11%, a gap of 37.78 points.

KTo

68.89%

Wins 67.29%, ties 3.20%

T8s

31.11%

Wins 29.51%, ties 3.20%

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

KTo against T8s: the numbers

Exact preflop results for KTo against T8s, in percent
HandWinsTiesLosesEquity
KTo67.2863.19929.51568.886
T8s29.5153.19967.28631.114

The matchup pits an offsuit hand against a suited hand. Sharing a rank is the signature of a dominated hand, since the weaker hand is usually out-kicked when the shared rank shows up.

KTo is well ahead, and T8s needs a specific kind of board to catch up. Split pots make up 3.20% of the boards, and both equity figures count them as half a win each.

The hand ranking puts KTo at 33 and T8s at 73 out of 169 starting hands.

Boards behind the percentages: 61,642,944 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KTo41,477,0001,972,00018,194,000
T8s18,194,0001,972,00041,477,000

The total is exact: 36 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 T8s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KTo2.2141.4863.3880.452
T8s0.4523.3881.4862.214

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

If you know the kind of flop that came, the numbers shift: KTo holds 75.20% on rainbow flops topped by a ten or better and 54.60% on low rainbow flops (nine high or lower). KTo stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

KTo against T8s by flop texture, in percent
FlopShare of flopsKTo winsTiesT8s winsKTo equity
Rainbow, ten or higher23.90573.7122.98523.30375.204
Rainbow, nine or lower7.04253.2602.68944.05154.604
Two-tone46.52765.6842.73431.58267.051
Monotone5.19262.3834.04533.57264.406
Paired17.33469.8924.69725.41172.241

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

Each hand has a baseline against a random hand: 59.74% for KTo, 52.33% for T8s. Here the change is +9.15 and -21.22 points.

KTo and T8s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KTo, all flops68.88659.739+9.1471.15312
KTo, rainbow, ten or higher75.20459.739+15.4651.25888
KTo, rainbow, nine or lower54.60459.739-5.1350.91404
KTo, two-tone67.05159.739+7.3121.12240
KTo, monotone64.40659.739+4.6671.07812
KTo, paired72.24159.739+12.5021.20928
T8s, all flops31.11452.334-21.2200.59453
T8s, rainbow, ten or higher24.79652.334-27.5380.47380
T8s, rainbow, nine or lower45.39652.334-6.9380.86743
T8s, two-tone32.94952.334-19.3850.62959
T8s, monotone35.59452.334-16.7400.68013
T8s, paired27.75952.334-24.5750.53042

Does a shared suit matter?

When the hands share a suit, KTo holds 69.96%; when they do not, it holds 68.35%. KTo does better with a shared suit, by 1.61 points.

KTo against T8s by suit overlap, in percent
DealsSpecific dealsShare of dealsKTo winsTiesT8s winsKTo equity
Share a suit1233.3368.3053.30828.38769.959
No shared suit2466.6766.7773.14530.07868.349

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 36 are KTo in one seat and T8s in the other (0.0022%); with the seats swapped too, 72 (0.0044%).

A worked example

With $100 from each side, the $200 pot is split on average as $137.78 for KTo and $62.22 for T8s; the first side gains $37.78 per all-in and the second gives up $37.78.

Out of 1,000 deals you should see around 673 outright wins for KTo, 295 for T8s, and 32 split pots.

The same matchup from the other side

One page covers both views. From T8s' side the equity is 31.11%, and from KTo's side it is 68.89%.

KsTh against Td8d 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

Nothing here is simulated. The 36 deals of KTo against T8s 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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