KJs
62.24%
Wins 61.90%, ties 0.67%
87s
37.76%
Wins 37.43%, ties 0.67%
KJs against 87s: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| KJs | 61.901 | 0.674 | 37.425 | 62.238 |
| 87s | 37.425 | 0.674 | 61.901 | 37.762 |
This is a contest between two suited hands, KJs and 87s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.
A 24.48 point lead is real, and 87s still takes about 374 of every 1,000 deals outright. A split pot comes up on 0.67% of boards, so the wins and the equity differ by half of that.
For context, KJs sits at number 20 of 169 starting hands and 87s at number 100 when each is run against a random hand.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| KJs | 16,959,000 | 185,000 | 10,253,000 |
| 87s | 10,253,000 | 185,000 | 16,959,000 |
The board total is exact, 16 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) |
|---|---|---|---|---|
| KJs | 1.648 | 1.615 | 2.672 | 0.607 |
| 87s | 0.607 | 2.672 | 1.615 | 1.648 |
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
The flop changes the picture. KJs does best on rainbow flops topped by a ten or better, at 68.89%, and worst on low rainbow flops (nine high or lower), at 37.61%. KJs is the favorite overall but falls behind on low rainbow flops (nine high or lower).
| Flop | Share of flops | KJs wins | Ties | 87s wins | KJs equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 24.595 | 68.737 | 0.308 | 30.955 | 68.891 |
| Rainbow, nine or lower | 6.314 | 37.351 | 0.508 | 62.141 | 37.605 |
| Two-tone | 46.727 | 61.462 | 0.321 | 38.217 | 61.622 |
| Monotone | 5.273 | 57.848 | 3.459 | 38.693 | 59.578 |
| Paired | 17.091 | 63.585 | 1.366 | 35.049 | 64.268 |
Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank.
Compared with a random hand
Compared with a random opponent, this matchup shifts KJs from 62.57% by -0.33 points and 87s from 47.94% by -10.18 points.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| KJs, all flops | 62.238 | 62.567 | -0.329 | 0.99474 |
| KJs, rainbow, ten or higher | 68.891 | 62.567 | +6.324 | 1.10108 |
| KJs, rainbow, nine or lower | 37.605 | 62.567 | -24.962 | 0.60104 |
| KJs, two-tone | 61.622 | 62.567 | -0.945 | 0.98490 |
| KJs, monotone | 59.578 | 62.567 | -2.989 | 0.95223 |
| KJs, paired | 64.268 | 62.567 | +1.701 | 1.02719 |
| 87s, all flops | 37.762 | 47.936 | -10.174 | 0.78776 |
| 87s, rainbow, ten or higher | 31.109 | 47.936 | -16.827 | 0.64897 |
| 87s, rainbow, nine or lower | 62.395 | 47.936 | +14.459 | 1.30163 |
| 87s, two-tone | 38.378 | 47.936 | -9.558 | 0.80061 |
| 87s, monotone | 40.422 | 47.936 | -7.514 | 0.84325 |
| 87s, paired | 35.732 | 47.936 | -12.204 | 0.74541 |
Does a shared suit matter?
Looking only at deals where the hands share a suit, KJs has 64.49%; looking only at deals where they do not, 61.49%. KJs does better with a shared suit, by 3.00 points.
| Deals | Specific deals | Share of deals | KJs wins | Ties | 87s wins | KJs equity |
|---|---|---|---|---|---|---|
| Share a suit | 4 | 25.00 | 64.104 | 0.761 | 35.135 | 64.485 |
| No shared suit | 12 | 75.00 | 61.167 | 0.645 | 38.188 | 61.489 |
How often this matchup comes up
You will meet this exact matchup 0.0020% of the time in a random heads-up deal: 32 of 1,624,350, counting either seat order.
A worked example
Take a $200 pot built from $100 each. KJs' equity of 62.24% is worth $124.48, a $24.48 edge, and 87s' 37.76% is worth $75.52, which is $24.48 under its stake.
Scaled to 1,000 deals, that is roughly 619 wins for KJs, 374 for 87s and 7 chopped pots.
The same matchup from the other side
If you came looking for 87s against KJs, the numbers are the same with the hands swapped: 37.76% and 62.24%.
Keep exploring
Try KsJs against 8h7h 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 16 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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