JTs vs T9o: preflop equity

Averaged over every possible board, JTs is ahead of T9o by 48.24 points of equity, 74.12% to 25.88%.

JTs

74.12%

Wins 71.62%, ties 5.00%

T9o

25.88%

Wins 23.38%, ties 5.00%

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

JTs against T9o: the numbers

Exact preflop results for JTs against T9o, in percent
HandWinsTiesLosesEquity
JTs71.6194.99523.38674.117
T9o23.3864.99571.61925.883

JTs and T9o are a suited hand and an offsuit hand, in that order. 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.

That is a clear edge, 74.12% to 25.88%, but T9o still wins often enough that one hand proves nothing. Ties are 5.00% of the outcomes here; each tied board gives both hands half the pot.

By strength against a random hand, JTs holds place 45 of 169 and T9o holds place 78.

Boards behind the percentages: 61,642,944 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
JTs44,148,0003,079,00014,416,000
T9o14,416,0003,079,00044,148,000

The board total is exact, 36 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

JTs against T9o read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
JTs2.8641.3964.2760.349
T9o0.3494.2761.3962.864

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

JTs prefers rainbow flops topped by a ten or better, where it holds 76.99%, and likes low rainbow flops (nine high or lower) least, where it holds 65.01%. JTs stays ahead on all five textures.

JTs against T9o by flop texture, in percent
FlopShare of flopsJTs winsTiesT9o winsJTs equity
Rainbow, ten or higher23.90574.5024.98520.51376.994
Rainbow, nine or lower7.04264.3731.27934.34865.012
Two-tone46.52772.3093.95623.73574.287
Monotone5.19263.8665.17030.96466.451
Paired17.33471.0589.25719.68575.686

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

How much does the opponent matter? Compared with its random-hand 57.53%, JTs changes by +16.59 points, and T9o, from 51.53%, by -25.65.

JTs and T9o here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
JTs, all flops74.11757.528+16.5891.28836
JTs, rainbow, ten or higher76.99457.528+19.4661.33837
JTs, rainbow, nine or lower65.01257.528+7.4841.13009
JTs, two-tone74.28757.528+16.7591.29132
JTs, monotone66.45157.528+8.9231.15511
JTs, paired75.68657.528+18.1581.31564
T9o, all flops25.88351.532-25.6490.50227
T9o, rainbow, ten or higher23.00651.532-28.5260.44644
T9o, rainbow, nine or lower34.98851.532-16.5440.67896
T9o, two-tone25.71351.532-25.8190.49897
T9o, monotone33.54951.532-17.9830.65103
T9o, paired24.31451.532-27.2180.47182

Does a shared suit matter?

Of the deals of this matchup, 12 share a suit (JTs at 73.98%) and 24 do not (74.19%). The two rows differ by only 0.21 points, so suits barely change this matchup.

JTs against T9o by suit overlap, in percent
DealsSpecific dealsShare of dealsJTs winsTiesT9o winsJTs equity
Share a suit1233.3371.4245.10423.47273.976
No shared suit2466.6771.7174.94123.34274.187

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 36 are JTs in one seat and T9o in the other (0.0022%); with the seats swapped too, 72 (0.0044%).

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. JTs averages $148.24 from the $200, up $48.24; T9o averages $51.76, down $48.24.

Think in thousands: about 716 of 1,000 go to JTs, about 234 go to T9o, and about 50 are chopped.

The same matchup from the other side

Read it from the other side: T9o against JTs is the same matchup with the numbers swapped, so T9o holds 25.88% and JTs holds 74.12%. That address sends you back to this page.

JsTs against Th9d 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

Each figure is a complete count over boards. Take the 36 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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