97s vs 86s: preflop equity

If 97s and 86s get all the chips in before the flop, 97s owns 61.85% of the pot in the long run and 86s owns 38.15%.

97s

61.85%

Wins 60.41%, ties 2.89%

86s

38.15%

Wins 36.70%, ties 2.89%

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

97s against 86s: the numbers

Exact preflop results for 97s against 86s, in percent
HandWinsTiesLosesEquity
97s60.4112.88736.70261.854
86s36.7022.88760.41138.146

Here suited hands face each other, 97s on one side and 86s on the other. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

The lead is steady rather than large, and the flop still has plenty of say in who wins. A split pot comes up on 2.89% of boards, so the wins and the equity differ by half of that.

For context, 97s sits at number 94 of 169 starting hands and 86s at number 110 when each is run against a random hand.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
97s16,551,000791,00010,055,000
86s10,055,000791,00016,551,000

Exact total: 16 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.

97s against 86s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
97s1.6221.6552.7250.617
86s0.6172.7251.6551.622

The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call.

Who is ahead on which flops

Split by what the flop looks like, 97s peaks at 63.92% on rainbow flops topped by a ten or better and bottoms out at 55.35% on low rainbow flops (nine high or lower). 97s stays ahead on all five textures.

97s against 86s by flop texture, in percent
FlopShare of flops97s winsTies86s wins97s equity
Rainbow, ten or higher25.84462.8012.22934.97063.915
Rainbow, nine or lower5.06555.2540.19144.55555.349
Two-tone46.72760.6021.69637.70261.450
Monotone5.27356.9214.36138.71859.102
Paired17.09158.8787.48233.64062.619

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

A random hand would give 97s 49.12% and 86s 46.24%. Against each other the change is +12.73 points for 97s and -8.09 for 86s.

97s and 86s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
97s, all flops61.85449.118+12.7361.25929
97s, rainbow, ten or higher63.91549.118+14.7971.30125
97s, rainbow, nine or lower55.34949.118+6.2311.12686
97s, two-tone61.45049.118+12.3321.25107
97s, monotone59.10249.118+9.9841.20327
97s, paired62.61949.118+13.5011.27487
86s, all flops38.14646.243-8.0970.82490
86s, rainbow, ten or higher36.08546.243-10.1580.78033
86s, rainbow, nine or lower44.65146.243-1.5920.96557
86s, two-tone38.55046.243-7.6930.83364
86s, monotone40.89846.243-5.3450.88441
86s, paired37.38146.243-8.8620.80836

Does a shared suit matter?

The suit split reads 64.24% for 97s with a shared suit and 61.06% without one. 97s does better with a shared suit, by 3.18 points.

97s against 86s by suit overlap, in percent
DealsSpecific dealsShare of deals97s winsTies86s wins97s equity
Share a suit425.0062.6833.10734.21064.237
No shared suit1275.0059.6532.81437.53361.060

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 16 are 97s in one seat and 86s in the other (0.0010%); with the seats swapped too, 32 (0.0020%).

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. 97s is worth $123.70 on average (+$23.70); 86s is worth $76.30 (-$23.70).

Out of 1,000 deals you should see around 604 outright wins for 97s, 367 for 86s, and 29 split pots.

The same matchup from the other side

The reversed view, 86s against 97s, shows 38.15% for 86s and 61.85% for 97s. It is the same count, so it redirects here.

9s7s against 8h6h 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

We counted every case. Each suit pattern of the 16 specific 97s against 86s deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops.

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

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