97s vs 75s: preflop equity

In equity, 97s against 75s stands at 67.16% to 32.84%, a gap of 34.32 points.

97s

67.16%

Wins 62.39%, ties 9.53%

75s

32.84%

Wins 28.08%, ties 9.53%

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

97s against 75s: the numbers

Exact preflop results for 97s against 75s, in percent
HandWinsTiesLosesEquity
97s62.3909.53228.07867.156
75s28.0789.53262.39032.844

The matchup is suited hands on both sides, 97s against 75s. The two hands share a rank, and the one with the better other card dominates: it wins most kicker battles when that shared rank hits.

A lead of 34.32 points is large but not decisive: 75s still takes about 281 of every 1,000 deals. Of every 100 boards, about 9.53 are split pots, and the equity figures already include them.

For context, 97s sits at number 94 of 169 starting hands and 75s at number 124 when each is run against a random hand.

Boards behind the percentages: 20,547,648 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
97s12,820,0001,959,0005,769,000
75s5,769,0001,959,00012,820,000

The total is exact: 12 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.

97s against 75s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
97s2.0451.6033.5620.489
75s0.4893.5621.6032.045

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

Break the boards down by their first three cards and 97s is strongest on rainbow flops topped by a ten or better (70.28%) and weakest on low rainbow flops (nine high or lower) (61.26%). 97s stays ahead on all five textures.

97s against 75s by flop texture, in percent
FlopShare of flops97s winsTies75s wins97s equity
Rainbow, ten or higher25.84465.7439.06425.19370.275
Rainbow, nine or lower5.06558.3445.82535.83161.257
Two-tone46.54362.4407.80829.75266.344
Monotone5.21556.9059.17233.92361.491
Paired17.33360.08916.05123.86068.115

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

Start from the random-hand figures, 49.12% for 97s and 43.68% for 75s. This opponent changes them by +18.04 and -10.84 points.

97s and 75s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
97s, all flops67.15649.118+18.0381.36724
97s, rainbow, ten or higher70.27549.118+21.1571.43074
97s, rainbow, nine or lower61.25749.118+12.1391.24714
97s, two-tone66.34449.118+17.2261.35071
97s, monotone61.49149.118+12.3731.25190
97s, paired68.11549.118+18.9971.38676
75s, all flops32.84443.676-10.8320.75199
75s, rainbow, ten or higher29.72543.676-13.9510.68058
75s, rainbow, nine or lower38.74343.676-4.9330.88705
75s, two-tone33.65643.676-10.0200.77058
75s, monotone38.50943.676-5.1670.88170
75s, paired31.88543.676-11.7910.73003

Does a shared suit matter?

Every legal deal of 97s against 75s leaves the hands with no suit in common, so the suit split does not apply here.

97s against 75s by suit overlap, in percent
DealsSpecific dealsShare of deals97s winsTies75s wins97s equity
Share a suit00.00not possiblenot possiblenot possiblenot possible
No shared suit12100.0062.3909.53228.07867.156

How often this matchup comes up

This page stands for 12 specific-card matchups (0.0007% of 1,624,350 ordered deals), or 24 once you count the seats both ways (0.0015%).

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. 97s averages $134.32 from the $200, up $34.32; 75s averages $65.68, down $34.32.

Think in thousands: about 624 of 1,000 go to 97s, about 281 go to 75s, and about 95 are chopped.

The same matchup from the other side

Read it from the other side: 75s against 97s is the same matchup with the numbers swapped, so 75s holds 32.84% and 97s holds 67.16%. That address sends you back to this page.

Try 9s7s against 7h5h 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

Each figure is a complete count over boards. Take the 12 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops.

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

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