JJ vs TT: preflop equity

In equity, JJ against TT stands at 81.99% to 18.01%, a gap of 63.98 points.

JJ

81.99%

Wins 81.77%, ties 0.44%

TT

18.01%

Wins 17.79%, ties 0.44%

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

JJ against TT: the numbers

Exact preflop results for JJ against TT, in percent
HandWinsTiesLosesEquity
JJ81.7670.43817.79581.986
TT17.7950.43881.76718.014

Two pocket pairs meet here: JJ against TT. A pair against a smaller pair is the classic crush: the smaller pair needs one of its two remaining cards to make a set.

That is a heavy lead: TT needs the board to help it on most runouts and still falls behind far more often than not. Ties are 0.44% of the outcomes here; each tied board gives both hands half the pot.

In the ranking of all 169 starting hands, JJ is number 4 and TT is number 5.

Boards behind the percentages: 61,642,944 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
JJ50,404,000270,00010,969,000
TT10,969,000270,00050,404,000

36 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.

JJ against TT read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
JJ4.5511.2235.6200.220
TT0.2205.6201.2234.551

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

The flop changes the picture. JJ does best on low rainbow flops (nine high or lower), at 89.32%, and worst on monotone flops, at 76.24%. JJ stays ahead on all five textures.

JJ against TT by flop texture, in percent
FlopShare of flopsJJ winsTiesTT winsJJ equity
Rainbow, ten or higher23.13879.0390.16920.79279.124
Rainbow, nine or lower7.77188.8240.98810.18889.318
Two-tone46.36380.8890.36018.75181.069
Monotone5.15275.3701.73722.89376.238
Paired17.57686.4280.37313.19986.614

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

A random hand would give JJ 77.47% and TT 75.01%. Against each other the change is +4.52 points for JJ and -57.00 for TT.

JJ and TT here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
JJ, all flops81.98677.469+4.5171.05831
JJ, rainbow, ten or higher79.12477.469+1.6551.02136
JJ, rainbow, nine or lower89.31877.469+11.8491.15295
JJ, two-tone81.06977.469+3.6001.04647
JJ, monotone76.23877.469-1.2310.98411
JJ, paired86.61477.469+9.1451.11805
TT, all flops18.01475.012-56.9980.24015
TT, rainbow, ten or higher20.87675.012-54.1360.27830
TT, rainbow, nine or lower10.68275.012-64.3300.14240
TT, two-tone18.93175.012-56.0810.25237
TT, monotone23.76275.012-51.2500.31678
TT, paired13.38675.012-61.6260.17845

Does a shared suit matter?

Of the deals of this matchup, 30 share a suit (JJ at 82.12%) and 6 do not (81.30%). JJ does better with a shared suit, by 0.82 points.

JJ against TT by suit overlap, in percent
DealsSpecific dealsShare of dealsJJ winsTiesTT winsJJ equity
Share a suit3083.3381.8970.45417.64982.124
No shared suit616.6781.1150.35918.52681.295

How often this matchup comes up

JJ against TT is made up of 36 specific-card matchups in one seat order, 0.0022% of the 1,624,350 ordered deals, and 72 counting both seat orders, 0.0044%.

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. JJ averages $163.98 from the $200, up $63.98; TT averages $36.02, down $63.98.

In 1,000 deals of exactly this matchup, expect about 818 won outright by JJ, about 178 won outright by TT and about 4 split.

The same matchup from the other side

Read it from the other side: TT against JJ is the same matchup with the numbers swapped, so TT holds 18.01% and JJ holds 81.99%. That address sends you back to this page.

Try JsJh against TdTc 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

We counted every case. Each suit pattern of the 36 specific JJ against TT 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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