JJ
87.03%
Wins 85.97%, ties 2.11%
JTo
12.97%
Wins 11.92%, ties 2.11%
JJ against JTo: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| JJ | 85.970 | 2.110 | 11.920 | 87.025 |
| JTo | 11.920 | 2.110 | 85.970 | 12.975 |
JJ is a pocket pair and JTo is an offsuit hand. The non-pair hand shares a rank with the pair, so two of its outs for pairing are blocked by the pair itself.
That is a heavy lead: JTo needs the board to help it on most runouts and still falls behind far more often than not. Ties are 2.11% of the outcomes here; each tied board gives both hands half the pot.
For context, JJ sits at number 4 of 169 starting hands and JTo at number 57 when each is run against a random hand.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| JJ | 52,994,000 | 1,301,000 | 7,348,000 |
| JTo | 7,348,000 | 1,301,000 | 52,994,000 |
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.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| JJ | 6.707 | 1.163 | 8.389 | 0.149 |
| JTo | 0.149 | 8.389 | 1.163 | 6.707 |
In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity.
Who is ahead on which flops
Across the five flop textures JJ's equity moves by 10.72 points, from 79.21% on monotone flops to 89.93% on low rainbow flops (nine high or lower). JJ stays ahead on all five textures.
| Flop | Share of flops | JJ wins | Ties | JTo wins | JJ equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 23.053 | 85.692 | 2.457 | 11.851 | 86.921 |
| Rainbow, nine or lower | 7.771 | 89.103 | 1.647 | 9.250 | 89.927 |
| Two-tone | 46.215 | 85.581 | 2.155 | 12.264 | 86.659 |
| Monotone | 5.130 | 77.948 | 2.513 | 19.539 | 79.205 |
| Paired | 17.831 | 88.281 | 1.632 | 10.087 | 89.097 |
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, 77.47% for JJ and 55.25% for JTo. This opponent changes them by +9.56 and -42.28 points.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| JJ, all flops | 87.025 | 77.469 | +9.556 | 1.12335 |
| JJ, rainbow, ten or higher | 86.921 | 77.469 | +9.452 | 1.12201 |
| JJ, rainbow, nine or lower | 89.927 | 77.469 | +12.458 | 1.16081 |
| JJ, two-tone | 86.659 | 77.469 | +9.190 | 1.11863 |
| JJ, monotone | 79.205 | 77.469 | +1.736 | 1.02241 |
| JJ, paired | 89.097 | 77.469 | +11.628 | 1.15010 |
| JTo, all flops | 12.975 | 55.248 | -42.273 | 0.23485 |
| JTo, rainbow, ten or higher | 13.079 | 55.248 | -42.169 | 0.23673 |
| JTo, rainbow, nine or lower | 10.073 | 55.248 | -45.175 | 0.18232 |
| JTo, two-tone | 13.341 | 55.248 | -41.907 | 0.24147 |
| JTo, monotone | 20.795 | 55.248 | -34.453 | 0.37639 |
| JTo, paired | 10.903 | 55.248 | -44.345 | 0.19735 |
Does a shared suit matter?
Looking only at deals where the hands share a suit, JJ has 87.30%; looking only at deals where they do not, 86.49%. JJ does better with a shared suit, by 0.81 points.
| Deals | Specific deals | Share of deals | JJ wins | Ties | JTo wins | JJ equity |
|---|---|---|---|---|---|---|
| Share a suit | 24 | 66.67 | 86.222 | 2.145 | 11.633 | 87.295 |
| No shared suit | 12 | 33.33 | 85.467 | 2.040 | 12.493 | 86.487 |
How often this matchup comes up
The class pair covers 36 combinations of specific cards in a fixed seat order, 0.0022% of 1,624,350, and 72 (0.0044%) in either order.
A worked example
To see what the equity is worth, imagine $100 each in a $200 pot. JJ is worth $174.06 on average (+$74.06); JTo is worth $25.94 (-$74.06).
In 1,000 deals of exactly this matchup, expect about 860 won outright by JJ, about 119 won outright by JTo and about 21 split.
The same matchup from the other side
JTo against JJ adds nothing new: it is 12.97% for JTo and 87.03% for JJ, the same figures reversed.
Keep exploring
Open the calculator with JsJh against JdTc already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking.
How this was computed
Nothing here is simulated. The 36 deals of JJ against JTo fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
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