KK
68.05%
Wins 67.85%, ties 0.41%
A9s
31.95%
Wins 31.74%, ties 0.41%
KK against A9s: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| KK | 67.846 | 0.405 | 31.749 | 68.048 |
| A9s | 31.749 | 0.405 | 67.846 | 31.952 |
The first hand is a pocket pair; the second is a suited hand. One of the other hand's cards outranks the pair and one is below it, which makes this a closer race than a pair against two small cards.
KK is well ahead, and A9s needs a specific kind of board to catch up. About 0.41% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.
In the ranking of all 169 starting hands, KK is number 2 and A9s is number 18.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| KK | 27,882,000 | 166,000 | 13,047,000 |
| A9s | 13,047,000 | 166,000 | 27,882,000 |
Exact total: 24 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| KK | 2.130 | 1.474 | 3.150 | 0.470 |
| A9s | 0.470 | 3.150 | 1.474 | 2.130 |
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
KK prefers low rainbow flops (nine high or lower), where it holds 77.74%, and likes monotone flops least, where it holds 63.48%. KK stays ahead on all five textures.
| Flop | Share of flops | KK wins | Ties | A9s wins | KK equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 23.867 | 66.999 | 0.178 | 32.823 | 67.088 |
| Rainbow, nine or lower | 7.042 | 77.210 | 1.051 | 21.739 | 77.736 |
| Two-tone | 46.545 | 66.068 | 0.345 | 33.587 | 66.240 |
| Monotone | 5.212 | 62.269 | 2.421 | 35.310 | 63.480 |
| Paired | 17.334 | 71.658 | 0.010 | 28.332 | 71.663 |
Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank.
Compared with a random hand
How much does the opponent matter? Compared with its random-hand 82.40%, KK changes by -14.35 points, and A9s, from 62.78%, by -30.83.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| KK, all flops | 68.048 | 82.396 | -14.348 | 0.82587 |
| KK, rainbow, ten or higher | 67.088 | 82.396 | -15.308 | 0.81421 |
| KK, rainbow, nine or lower | 77.736 | 82.396 | -4.660 | 0.94344 |
| KK, two-tone | 66.240 | 82.396 | -16.156 | 0.80392 |
| KK, monotone | 63.480 | 82.396 | -18.916 | 0.77043 |
| KK, paired | 71.663 | 82.396 | -10.733 | 0.86974 |
| A9s, all flops | 31.952 | 62.781 | -30.829 | 0.50894 |
| A9s, rainbow, ten or higher | 32.912 | 62.781 | -29.869 | 0.52424 |
| A9s, rainbow, nine or lower | 22.264 | 62.781 | -40.517 | 0.35463 |
| A9s, two-tone | 33.760 | 62.781 | -29.021 | 0.53774 |
| A9s, monotone | 36.520 | 62.781 | -26.261 | 0.58170 |
| A9s, paired | 28.337 | 62.781 | -34.444 | 0.45136 |
Does a shared suit matter?
Does suit overlap move the numbers? KK has 68.35% when the hands share a suit and 67.75% when they do not. KK does better with a shared suit, by 0.60 points.
| Deals | Specific deals | Share of deals | KK wins | Ties | A9s wins | KK equity |
|---|---|---|---|---|---|---|
| Share a suit | 12 | 50.00 | 68.124 | 0.446 | 31.430 | 68.347 |
| No shared suit | 12 | 50.00 | 67.567 | 0.364 | 32.069 | 67.749 |
How often this matchup comes up
Out of 1,624,350 ways to deal two seats two cards each, 24 are KK in one seat and A9s in the other (0.0015%); with the seats swapped too, 48 (0.0030%).
A worked example
With $100 from each side, the $200 pot is split on average as $136.10 for KK and $63.90 for A9s; the first side gains $36.10 per all-in and the second gives up $36.10.
Think in thousands: about 678 of 1,000 go to KK, about 318 go to A9s, and about 4 are chopped.
The same matchup from the other side
The reversed view, A9s against KK, shows 31.95% for A9s and 68.05% for KK. It is the same count, so it redirects here.
Keep exploring
KsKh against Ad9d 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
Each figure is a complete count over boards. Take the 24 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
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