KTs vs A3s: preflop equity

Averaged over every possible board, A3s is ahead of KTs by 13.40 points of equity, 56.70% to 43.30%.

KTs

43.30%

Wins 43.03%, ties 0.53%

A3s

56.70%

Wins 56.44%, ties 0.53%

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

KTs against A3s: the numbers

Exact preflop results for KTs against A3s, in percent
HandWinsTiesLosesEquity
KTs43.0290.53456.43743.296
A3s56.4370.53443.02956.704

The matchup is suited hands on both sides, KTs against A3s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

A 13.40 point lead is real, and KTs still takes about 430 of every 1,000 deals outright. 0.53% of boards are ties, so the equity of each hand is its win rate plus half of that.

Place 22 of 169 belongs to KTs and place 38 belongs to A3s in the ranking against a random hand.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KTs11,789,000146,00015,462,000
A3s15,462,000146,00011,789,000

The board total is exact, 16 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

KTs against A3s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KTs0.7642.3241.7721.310
A3s1.3101.7722.3240.764

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

Across the five flop textures A3s' equity moves by 22.75 points, from 50.73% on rainbow flops topped by a ten or better to 73.48% on low rainbow flops (nine high or lower). A3s stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

KTs against A3s by flop texture, in percent
FlopShare of flopsKTs winsTiesA3s winsKTs equity
Rainbow, ten or higher23.86749.1890.16350.64849.271
Rainbow, nine or lower7.04226.0560.92173.02326.517
Two-tone46.72744.3660.29855.33644.515
Monotone5.27344.0533.44252.50545.774
Paired17.09137.4480.64161.91137.769

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

Against one random hand instead, KTs holds 61.79% and A3s holds 58.22%. Facing each other changes that by -18.49 points for KTs and -1.52 points for A3s.

KTs and A3s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KTs, all flops43.29661.789-18.4930.70071
KTs, rainbow, ten or higher49.27161.789-12.5180.79741
KTs, rainbow, nine or lower26.51761.789-35.2720.42915
KTs, two-tone44.51561.789-17.2740.72044
KTs, monotone45.77461.789-16.0150.74081
KTs, paired37.76961.789-24.0200.61126
A3s, all flops56.70458.220-1.5160.97396
A3s, rainbow, ten or higher50.72958.220-7.4910.87133
A3s, rainbow, nine or lower73.48358.220+15.2631.26216
A3s, two-tone55.48558.220-2.7350.95302
A3s, monotone54.22658.220-3.9940.93140
A3s, paired62.23158.220+4.0111.06889

Does a shared suit matter?

The suit split reads 58.57% for A3s with a shared suit and 56.08% without one. A3s does better with a shared suit, by 2.49 points.

KTs against A3s by suit overlap, in percent
DealsSpecific dealsShare of dealsKTs winsTiesA3s winsKTs equity
Share a suit425.0041.1220.61658.26241.430
No shared suit1275.0043.6640.50755.82943.918

How often this matchup comes up

Exactly 16 specific deals fit this matchup in one seat order, which is 0.0010% of 1,624,350; both orders together give 32, or 0.0020%.

A worked example

Say each player puts $100 in before the flop, making a $200 pot. On average A3s takes back $113.40 of it, which is $13.40 more than it put in, and KTs takes back $86.60, $13.40 less than it put in.

Think in thousands: about 565 of 1,000 go to A3s, about 430 go to KTs, and about 5 are chopped.

The same matchup from the other side

The reversed view, A3s against KTs, shows 56.70% for A3s and 43.30% for KTs. It is the same count, so it redirects here.

KsTs against Ah3h 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 figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 16 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it.

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

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