AKo
45.01%
Wins 44.82%, ties 0.39%
66
54.99%
Wins 54.79%, ties 0.39%
AKo against 66: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| AKo | 44.817 | 0.389 | 54.794 | 45.011 |
| 66 | 54.794 | 0.389 | 44.817 | 54.989 |
AKo, an offsuit hand, plays 66, a pocket pair. A pair against two higher cards is the classic race: the pair is usually a small favorite or close to even, and each overcard that pairs is a way to take the lead.
66 leads by less than 10 points of equity, so the result of any one deal is close to a toss-up. Split pots make up 0.39% of the boards, and both equity figures count them as half a win each.
Ranked by equity against a random hand, AKo is number 12 of the 169 starting hands and 66 is number 17.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| AKo | 55,253,000 | 480,000 | 67,553,000 |
| 66 | 67,553,000 | 480,000 | 55,253,000 |
The board total is exact, 72 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) |
|---|---|---|---|---|
| AKo | 0.819 | 2.231 | 1.825 | 1.222 |
| 66 | 1.222 | 1.825 | 2.231 | 0.819 |
The last column is the smallest pot odds, written as a pot-to-call ratio, at which a call breaks even with this equity.
Who is ahead on which flops
Break the boards down by their first three cards and 66 is strongest on low rainbow flops (nine high or lower) (81.78%) and weakest on rainbow flops topped by a ten or better (47.82%). Rainbow flops topped by a ten or better favor AKo, the hand that is behind overall.
| Flop | Share of flops | AKo wins | Ties | 66 wins | AKo equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 24.717 | 52.098 | 0.160 | 47.742 | 52.178 |
| Rainbow, nine or lower | 6.314 | 17.809 | 0.817 | 81.374 | 18.217 |
| Two-tone | 46.485 | 45.478 | 0.283 | 54.239 | 45.619 |
| Monotone | 5.151 | 47.446 | 1.737 | 50.817 | 48.315 |
| Paired | 17.333 | 41.716 | 0.447 | 57.837 | 41.939 |
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
Compared with a random opponent, this matchup shifts AKo from 65.32% by -20.31 points and 66 from 63.29% by -8.30 points.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| AKo, all flops | 45.011 | 65.320 | -20.309 | 0.68908 |
| AKo, rainbow, ten or higher | 52.178 | 65.320 | -13.142 | 0.79881 |
| AKo, rainbow, nine or lower | 18.217 | 65.320 | -47.103 | 0.27889 |
| AKo, two-tone | 45.619 | 65.320 | -19.701 | 0.69839 |
| AKo, monotone | 48.315 | 65.320 | -17.005 | 0.73967 |
| AKo, paired | 41.939 | 65.320 | -23.381 | 0.64205 |
| 66, all flops | 54.989 | 63.285 | -8.296 | 0.86891 |
| 66, rainbow, ten or higher | 47.822 | 63.285 | -15.463 | 0.75566 |
| 66, rainbow, nine or lower | 81.783 | 63.285 | +18.498 | 1.29230 |
| 66, two-tone | 54.381 | 63.285 | -8.904 | 0.85930 |
| 66, monotone | 51.685 | 63.285 | -11.600 | 0.81670 |
| 66, paired | 58.061 | 63.285 | -5.224 | 0.91745 |
Does a shared suit matter?
Does suit overlap move the numbers? 66 has 54.91% when the hands share a suit and 55.39% when they do not. 66 does better with no shared suit, by 0.48 points.
| Deals | Specific deals | Share of deals | AKo wins | Ties | 66 wins | AKo equity |
|---|---|---|---|---|---|---|
| Share a suit | 60 | 83.33 | 44.889 | 0.405 | 54.706 | 45.091 |
| No shared suit | 12 | 16.67 | 44.457 | 0.312 | 55.231 | 44.613 |
How often this matchup comes up
This page stands for 72 specific-card matchups (0.0044% of 1,624,350 ordered deals), or 144 once you count the seats both ways (0.0089%).
A worked example
Put $100 each into a $200 pot and deal every board once: 66 averages $109.98 back, ahead of its $100 by $9.98, while AKo averages $90.02, short of its $100 by $9.98.
Per 1,000 deals: 66 wins about 548, AKo wins about 448, and about 4 end in a split pot.
The same matchup from the other side
66 against AKo adds nothing new: it is 54.99% for 66 and 45.01% for AKo, the same figures reversed.
Keep exploring
Open the calculator with AsKh against 6d6c already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking.
How this was computed
Method: exact enumeration. The 72 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
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