KTo vs 97s: preflop equity

Dealt all in against each other, KTo takes 60.99% of the pot on average and 97s takes the other 39.01%.

KTo

60.99%

Wins 60.67%, ties 0.63%

97s

39.01%

Wins 38.70%, ties 0.63%

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

KTo against 97s: the numbers

Exact preflop results for KTo against 97s, in percent
HandWinsTiesLosesEquity
KTo60.6730.63338.69460.990
97s38.6940.63360.67339.010

The first hand is an offsuit hand; the second is a suited hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

That is a modest edge, the kind that shows up over many hands and is easy to miss in one. About 0.63% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.

For context, KTo sits at number 33 of 169 starting hands and 97s at number 94 when each is run against a random hand.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KTo49,867,000520,00031,803,000
97s31,803,000520,00049,867,000

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.

KTo against 97s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KTo1.5631.6482.5840.640
97s0.6402.5841.6481.563

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

KTo prefers rainbow flops topped by a ten or better, where it holds 68.53%, and likes low rainbow flops (nine high or lower) least, where it holds 37.91%. The lead reverses on low rainbow flops (nine high or lower): there 97s is the favorite even though KTo is ahead overall.

KTo against 97s by flop texture, in percent
FlopShare of flopsKTo winsTies97s winsKTo equity
Rainbow, ten or higher24.71768.3610.32931.31068.525
Rainbow, nine or lower6.31337.6800.46461.85637.912
Two-tone46.66759.2890.33540.37659.456
Monotone5.21257.8622.43039.70859.077
Paired17.09162.6851.40335.91263.387

A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank.

Compared with a random hand

Each hand has a baseline against a random hand: 59.74% for KTo, 49.12% for 97s. Here the change is +1.25 and -10.11 points.

KTo and 97s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KTo, all flops60.99059.739+1.2511.02094
KTo, rainbow, ten or higher68.52559.739+8.7861.14707
KTo, rainbow, nine or lower37.91259.739-21.8270.63463
KTo, two-tone59.45659.739-0.2830.99526
KTo, monotone59.07759.739-0.6620.98892
KTo, paired63.38759.739+3.6481.06107
97s, all flops39.01049.118-10.1080.79421
97s, rainbow, ten or higher31.47549.118-17.6430.64080
97s, rainbow, nine or lower62.08849.118+12.9701.26406
97s, two-tone40.54449.118-8.5740.82544
97s, monotone40.92349.118-8.1950.83316
97s, paired36.61349.118-12.5050.74541

Does a shared suit matter?

Suit overlap shows up in the numbers. With a suit in common KTo has 61.68% equity, and with none in common it has 60.30%. KTo does better with a shared suit, by 1.38 points.

KTo against 97s by suit overlap, in percent
DealsSpecific dealsShare of dealsKTo winsTies97s winsKTo equity
Share a suit2450.0061.3380.67437.98861.675
No shared suit2450.0060.0080.59239.40060.304

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

Worked example: both players commit $100, so $200 sits in the middle. Over every board, KTo's average share is $121.98 (a gain of $21.98) and 97s' is $78.02 (a loss of $21.98).

Run 1,000 deals and the tally comes out near 607 for KTo, 387 for 97s and 6 ties.

The same matchup from the other side

97s versus KTo is this same page seen from the other hand: 39.01% for 97s, 60.99% for KTo.

Open the calculator with KsTh against 9d7d already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking.

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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