KK
80.25%
Wins 80.05%, ties 0.40%
JTs
19.75%
Wins 19.55%, ties 0.40%
KK against JTs: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| KK | 80.047 | 0.402 | 19.551 | 80.248 |
| JTs | 19.551 | 0.402 | 80.047 | 19.752 |
KK is a pocket pair and JTs is a suited hand. A pair against two lower cards is a lopsided matchup: the pair is ahead and the other hand has no overcard to catch.
That is a heavy lead: JTs needs the board to help it on most runouts and still falls behind far more often than not. A split pot comes up on 0.40% of boards, so the wins and the equity differ by half of that.
Ranked by equity against a random hand, KK is number 2 of the 169 starting hands and JTs is number 45.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| KK | 32,896,000 | 165,000 | 8,035,000 |
| JTs | 8,035,000 | 165,000 | 32,896,000 |
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) |
|---|---|---|---|---|
| KK | 4.063 | 1.249 | 5.115 | 0.246 |
| JTs | 0.246 | 5.115 | 1.249 | 4.063 |
The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call.
Who is ahead on which flops
Across the five flop textures KK's equity moves by 11.54 points, from 74.49% on monotone flops to 86.03% on low rainbow flops (nine high or lower). KK stays ahead on all five textures.
| Flop | Share of flops | KK wins | Ties | JTs wins | KK equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 23.138 | 80.408 | 0.154 | 19.438 | 80.485 |
| Rainbow, nine or lower | 7.771 | 85.556 | 0.951 | 13.493 | 86.031 |
| Two-tone | 46.545 | 78.157 | 0.325 | 21.518 | 78.319 |
| Monotone | 5.212 | 73.286 | 2.409 | 24.305 | 74.491 |
| Paired | 17.334 | 84.205 | 0.092 | 15.703 | 84.251 |
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
Each hand has a baseline against a random hand: 82.40% for KK, 57.53% for JTs. Here the change is -2.15 and -37.78 points.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| KK, all flops | 80.248 | 82.396 | -2.148 | 0.97393 |
| KK, rainbow, ten or higher | 80.485 | 82.396 | -1.911 | 0.97681 |
| KK, rainbow, nine or lower | 86.031 | 82.396 | +3.635 | 1.04412 |
| KK, two-tone | 78.319 | 82.396 | -4.077 | 0.95052 |
| KK, monotone | 74.491 | 82.396 | -7.905 | 0.90406 |
| KK, paired | 84.251 | 82.396 | +1.855 | 1.02251 |
| JTs, all flops | 19.752 | 57.528 | -37.776 | 0.34335 |
| JTs, rainbow, ten or higher | 19.515 | 57.528 | -38.013 | 0.33923 |
| JTs, rainbow, nine or lower | 13.969 | 57.528 | -43.559 | 0.24282 |
| JTs, two-tone | 21.681 | 57.528 | -35.847 | 0.37688 |
| JTs, monotone | 25.509 | 57.528 | -32.019 | 0.44342 |
| JTs, paired | 15.749 | 57.528 | -41.779 | 0.27376 |
Does a shared suit matter?
Two kinds of deal exist here. In 12 of them the hands share a suit and KK holds 80.80%. In 12 they do not, and it holds 79.69%. KK does better with a shared suit, by 1.11 points.
| Deals | Specific deals | Share of deals | KK wins | Ties | JTs wins | KK equity |
|---|---|---|---|---|---|---|
| Share a suit | 12 | 50.00 | 80.583 | 0.443 | 18.974 | 80.804 |
| No shared suit | 12 | 50.00 | 79.511 | 0.362 | 20.127 | 79.692 |
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
Say each player puts $100 in before the flop, making a $200 pot. On average KK takes back $160.50 of it, which is $60.50 more than it put in, and JTs takes back $39.50, $60.50 less than it put in.
Per 1,000 deals: KK wins about 800, JTs wins about 196, and about 4 end in a split pot.
The same matchup from the other side
If you came looking for JTs against KK, the numbers are the same with the hands swapped: 19.75% and 80.25%.
Keep exploring
Try KsKh against JdTd 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
The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 24 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
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