88 vs JTo: preflop equity

Averaged over every possible board, 88 is ahead of JTo by 5.64 points of equity, 52.82% to 47.18%.

88

52.82%

Wins 52.60%, ties 0.43%

JTo

47.18%

Wins 46.97%, ties 0.43%

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

88 against JTo: the numbers

Exact preflop results for 88 against JTo, in percent
HandWinsTiesLosesEquity
8852.6010.43246.96752.817
JTo46.9670.43252.60147.183

88 and JTo are a pocket pair and an offsuit hand, in that order. This is a pair against two overcards, a matchup that stays close because the other hand only needs one of its ranks to appear.

This is close to even money, with 88 a little ahead. The tie share is 0.43%: on those boards the pot is chopped and neither hand wins outright.

88 ranks number 7 of 169 starting hands, and JTo ranks number 57, by equity against a random hand.

Boards behind the percentages: 123,285,888 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
8864,850,000533,00057,904,000
JTo57,904,000533,00064,850,000

72 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand.

88 against JTo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
881.1191.9012.1290.893
JTo0.8932.1291.9011.119

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 88's equity moves by 32.03 points, from 45.14% on rainbow flops topped by a ten or better to 77.17% on low rainbow flops (nine high or lower). The lead reverses on rainbow flops topped by a ten or better and monotone flops: there JTo is the favorite even though 88 is ahead overall.

88 against JTo by flop texture, in percent
FlopShare of flops88 winsTiesJTo wins88 equity
Rainbow, ten or higher24.71745.0230.23854.73945.142
Rainbow, nine or lower6.31476.8310.68522.48477.173
Two-tone46.48551.2520.31648.43251.410
Monotone5.15148.6451.71149.64449.501
Paired17.33359.3780.54440.07859.650

Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank.

Compared with a random hand

Start from the random-hand figures, 69.16% for 88 and 55.25% for JTo. This opponent changes them by -16.34 and -8.07 points.

88 and JTo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
88, all flops52.81769.163-16.3460.76366
88, rainbow, ten or higher45.14269.163-24.0210.65269
88, rainbow, nine or lower77.17369.163+8.0101.11581
88, two-tone51.41069.163-17.7530.74332
88, monotone49.50169.163-19.6620.71572
88, paired59.65069.163-9.5130.86246
JTo, all flops47.18355.248-8.0650.85402
JTo, rainbow, ten or higher54.85855.248-0.3900.99294
JTo, rainbow, nine or lower22.82755.248-32.4210.41317
JTo, two-tone48.59055.248-6.6580.87949
JTo, monotone50.49955.248-4.7490.91404
JTo, paired40.35055.248-14.8980.73034

Does a shared suit matter?

Looking only at deals where the hands share a suit, 88 has 52.73%; looking only at deals where they do not, 53.28%. 88 does better with no shared suit, by 0.55 points.

88 against JTo by suit overlap, in percent
DealsSpecific dealsShare of deals88 winsTiesJTo wins88 equity
Share a suit6083.3352.5020.44747.05152.725
No shared suit1216.6753.1000.35346.54753.277

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 72 are 88 in one seat and JTo in the other (0.0044%); with the seats swapped too, 144 (0.0089%).

A worked example

Worked example: both players commit $100, so $200 sits in the middle. Over every board, 88's average share is $105.64 (a gain of $5.64) and JTo's is $94.36 (a loss of $5.64).

Scaled to 1,000 deals, that is roughly 526 wins for 88, 470 for JTo and 4 chopped pots.

The same matchup from the other side

Read it from the other side: JTo against 88 is the same matchup with the numbers swapped, so JTo holds 47.18% and 88 holds 52.82%. That address sends you back to this page.

The calculator link fills in 8s8h against JdTc, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength.

How this was computed

The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 72 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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