99
51.23%
Wins 51.02%, ties 0.42%
JTs
48.77%
Wins 48.56%, ties 0.42%
99 against JTs: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| 99 | 51.017 | 0.420 | 48.563 | 51.227 |
| JTs | 48.563 | 0.420 | 51.017 | 48.773 |
99 and JTs are a pocket pair and a suited hand, in that order. One hand holds a pair and the other holds two cards that both outrank it, which keeps the equity closer than most people expect.
This is close to even money, with 99 a little ahead. A split pot comes up on 0.42% of boards, so the wins and the equity differ by half of that.
Place 6 of 169 belongs to 99 and place 45 belongs to JTs in the ranking against a random hand.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| 99 | 20,966,000 | 173,000 | 19,957,000 |
| JTs | 19,957,000 | 173,000 | 20,966,000 |
The total is exact: 24 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.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| 99 | 1.050 | 1.960 | 2.059 | 0.952 |
| JTs | 0.952 | 2.059 | 1.960 | 1.050 |
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
If you know the kind of flop that came, the numbers shift: 99 holds 74.55% on low rainbow flops (nine high or lower) and 44.85% on rainbow flops topped by a ten or better. JTs takes over on rainbow flops topped by a ten or better and two-tone flops, so the favorite before the flop is the underdog on those boards.
| Flop | Share of flops | 99 wins | Ties | JTs wins | 99 equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 24.595 | 44.758 | 0.184 | 55.058 | 44.850 |
| Rainbow, nine or lower | 6.314 | 74.136 | 0.822 | 25.042 | 74.547 |
| Two-tone | 46.545 | 48.681 | 0.293 | 51.026 | 48.827 |
| Monotone | 5.212 | 48.937 | 2.391 | 48.672 | 50.133 |
| Paired | 17.334 | 58.377 | 0.355 | 41.268 | 58.554 |
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 72.06%, 99 changes by -20.83 points, and JTs, from 57.53%, by -8.76.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| 99, all flops | 51.227 | 72.057 | -20.830 | 0.71092 |
| 99, rainbow, ten or higher | 44.850 | 72.057 | -27.207 | 0.62242 |
| 99, rainbow, nine or lower | 74.547 | 72.057 | +2.490 | 1.03456 |
| 99, two-tone | 48.827 | 72.057 | -23.230 | 0.67762 |
| 99, monotone | 50.133 | 72.057 | -21.924 | 0.69574 |
| 99, paired | 58.554 | 72.057 | -13.503 | 0.81261 |
| JTs, all flops | 48.773 | 57.528 | -8.755 | 0.84781 |
| JTs, rainbow, ten or higher | 55.150 | 57.528 | -2.378 | 0.95866 |
| JTs, rainbow, nine or lower | 25.453 | 57.528 | -32.075 | 0.44245 |
| JTs, two-tone | 51.173 | 57.528 | -6.355 | 0.88953 |
| JTs, monotone | 49.867 | 57.528 | -7.661 | 0.86683 |
| JTs, paired | 41.446 | 57.528 | -16.082 | 0.72045 |
Does a shared suit matter?
Two kinds of deal exist here. In 12 of them the hands share a suit and 99 holds 51.32%. In 12 they do not, and it holds 51.14%. The two rows differ by only 0.18 points, so suits barely change this matchup.
| Deals | Specific deals | Share of deals | 99 wins | Ties | JTs wins | 99 equity |
|---|---|---|---|---|---|---|
| Share a suit | 12 | 50.00 | 51.090 | 0.459 | 48.451 | 51.319 |
| No shared suit | 12 | 50.00 | 50.945 | 0.379 | 48.676 | 51.135 |
How often this matchup comes up
The class pair covers 24 combinations of specific cards in a fixed seat order, 0.0015% of 1,624,350, and 48 (0.0030%) in either order.
A worked example
Try it with money: two players each put in $100 and the whole board runs out every possible way. 99 averages $102.46 from the $200, up $2.46; JTs averages $97.54, down $2.46.
Scaled to 1,000 deals, that is roughly 510 wins for 99, 486 for JTs and 4 chopped pots.
The same matchup from the other side
Read it from the other side: JTs against 99 is the same matchup with the numbers swapped, so JTs holds 48.77% and 99 holds 51.23%. That address sends you back to this page.
Keep exploring
9s9h against JdTd 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
This is an exact count with no sampling. For the 24 ways to deal one 99 and one JTs without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
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