KK
81.54%
Wins 81.32%, ties 0.44%
JJ
18.46%
Wins 18.24%, ties 0.44%
KK against JJ: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| KK | 81.317 | 0.437 | 18.246 | 81.536 |
| JJ | 18.246 | 0.437 | 81.317 | 18.464 |
KK meets JJ, and both are pocket pairs. 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: JJ needs the board to help it on most runouts and still falls behind far more often than not. 0.44% of boards are ties, so the equity of each hand is its win rate plus half of that.
KK ranks number 2 of 169 starting hands, and JJ ranks number 4, by equity against a random hand.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| KK | 50,126,000 | 269,000 | 11,247,000 |
| JJ | 11,247,000 | 269,000 | 50,126,000 |
The total is exact: 36 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) |
|---|---|---|---|---|
| KK | 4.416 | 1.230 | 5.481 | 0.226 |
| JJ | 0.226 | 5.481 | 1.230 | 4.416 |
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
By flop texture, KK's equity runs from 75.85% on monotone flops up to 90.12% on low rainbow flops (nine high or lower). KK stays ahead on all five textures.
| Flop | Share of flops | KK wins | Ties | JJ wins | KK equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 23.138 | 78.047 | 0.150 | 21.803 | 78.122 |
| Rainbow, nine or lower | 7.771 | 89.477 | 1.284 | 9.239 | 90.119 |
| Two-tone | 46.363 | 80.333 | 0.417 | 19.250 | 80.542 |
| Monotone | 5.152 | 74.959 | 1.773 | 23.268 | 75.845 |
| Paired | 17.576 | 86.475 | 0.100 | 13.425 | 86.525 |
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
Relative to a random opponent, KK changes by -0.86 points (baseline 82.40%) and JJ by -59.01 points (baseline 77.47%).
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| KK, all flops | 81.536 | 82.396 | -0.860 | 0.98956 |
| KK, rainbow, ten or higher | 78.122 | 82.396 | -4.274 | 0.94813 |
| KK, rainbow, nine or lower | 90.119 | 82.396 | +7.723 | 1.09373 |
| KK, two-tone | 80.542 | 82.396 | -1.854 | 0.97750 |
| KK, monotone | 75.845 | 82.396 | -6.551 | 0.92049 |
| KK, paired | 86.525 | 82.396 | +4.129 | 1.05011 |
| JJ, all flops | 18.464 | 77.469 | -59.005 | 0.23834 |
| JJ, rainbow, ten or higher | 21.878 | 77.469 | -55.591 | 0.28241 |
| JJ, rainbow, nine or lower | 9.881 | 77.469 | -67.588 | 0.12755 |
| JJ, two-tone | 19.458 | 77.469 | -58.011 | 0.25117 |
| JJ, monotone | 24.155 | 77.469 | -53.314 | 0.31180 |
| JJ, paired | 13.475 | 77.469 | -63.994 | 0.17394 |
Does a shared suit matter?
The suit split reads 81.67% for KK with a shared suit and 80.85% without one. KK does better with a shared suit, by 0.82 points.
| Deals | Specific deals | Share of deals | KK wins | Ties | JJ wins | KK equity |
|---|---|---|---|---|---|---|
| Share a suit | 30 | 83.33 | 81.446 | 0.453 | 18.101 | 81.672 |
| No shared suit | 6 | 16.67 | 80.676 | 0.356 | 18.968 | 80.854 |
How often this matchup comes up
This page stands for 36 specific-card matchups (0.0022% of 1,624,350 ordered deals), or 72 once you count the seats both ways (0.0044%).
A worked example
Worked example: both players commit $100, so $200 sits in the middle. Over every board, KK's average share is $163.08 (a gain of $63.08) and JJ's is $36.92 (a loss of $63.08).
Think in thousands: about 813 of 1,000 go to KK, about 183 go to JJ, and about 4 are chopped.
The same matchup from the other side
The reversed view, JJ against KK, shows 18.46% for JJ and 81.54% for KK. It is the same count, so it redirects here.
Keep exploring
Try KsKh against JdJc 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 KK against JJ 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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