66
81.64%
Wins 80.70%, ties 1.88%
43s
18.36%
Wins 17.42%, ties 1.88%
66 against 43s: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| 66 | 80.700 | 1.884 | 17.416 | 81.642 |
| 43s | 17.416 | 1.884 | 80.700 | 18.358 |
66 and 43s are a pocket pair and a suited hand, in that order. The pair outranks both of the other hand's cards, which is why the pair is a strong favorite.
That is a heavy lead: 43s needs the board to help it on most runouts and still falls behind far more often than not. The tie share is 1.88%: on those boards the pot is chopped and neither hand wins outright.
In the ranking of all 169 starting hands, 66 is number 17 and 43s is number 150.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| 66 | 33,164,000 | 774,000 | 7,157,000 |
| 43s | 7,157,000 | 774,000 | 33,164,000 |
The board total is exact, 24 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) |
|---|---|---|---|---|
| 66 | 4.447 | 1.239 | 5.742 | 0.225 |
| 43s | 0.225 | 5.742 | 1.239 | 4.447 |
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
Across the five flop textures 66's equity moves by 9.35 points, from 75.90% on monotone flops to 85.25% on rainbow flops topped by a ten or better. 66 stays ahead on all five textures.
| Flop | Share of flops | 66 wins | Ties | 43s wins | 66 equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 25.844 | 84.682 | 1.130 | 14.188 | 85.247 |
| Rainbow, nine or lower | 5.065 | 77.358 | 0.811 | 21.831 | 77.763 |
| Two-tone | 46.545 | 79.755 | 1.013 | 19.232 | 80.261 |
| Monotone | 5.212 | 74.305 | 3.188 | 22.507 | 75.899 |
| Paired | 17.334 | 80.198 | 5.271 | 14.531 | 82.834 |
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
Start from the random-hand figures, 63.29% for 66 and 38.64% for 43s. This opponent changes them by +18.35 and -20.28 points.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| 66, all flops | 81.642 | 63.285 | +18.357 | 1.29007 |
| 66, rainbow, ten or higher | 85.247 | 63.285 | +21.962 | 1.34703 |
| 66, rainbow, nine or lower | 77.763 | 63.285 | +14.478 | 1.22877 |
| 66, two-tone | 80.261 | 63.285 | +16.976 | 1.26825 |
| 66, monotone | 75.899 | 63.285 | +12.614 | 1.19932 |
| 66, paired | 82.834 | 63.285 | +19.549 | 1.30890 |
| 43s, all flops | 18.358 | 38.642 | -20.284 | 0.47508 |
| 43s, rainbow, ten or higher | 14.753 | 38.642 | -23.889 | 0.38179 |
| 43s, rainbow, nine or lower | 22.237 | 38.642 | -16.405 | 0.57546 |
| 43s, two-tone | 19.739 | 38.642 | -18.903 | 0.51082 |
| 43s, monotone | 24.101 | 38.642 | -14.541 | 0.62370 |
| 43s, paired | 17.166 | 38.642 | -21.476 | 0.44423 |
Does a shared suit matter?
The suit split reads 82.23% for 66 with a shared suit and 81.06% without one. 66 does better with a shared suit, by 1.17 points.
| Deals | Specific deals | Share of deals | 66 wins | Ties | 43s wins | 66 equity |
|---|---|---|---|---|---|---|
| Share a suit | 12 | 50.00 | 81.267 | 1.921 | 16.812 | 82.227 |
| No shared suit | 12 | 50.00 | 80.133 | 1.847 | 18.020 | 81.056 |
How often this matchup comes up
Out of 1,624,350 ways to deal two seats two cards each, 24 are 66 in one seat and 43s in the other (0.0015%); with the seats swapped too, 48 (0.0030%).
A worked example
Say each player puts $100 in before the flop, making a $200 pot. On average 66 takes back $163.28 of it, which is $63.28 more than it put in, and 43s takes back $36.72, $63.28 less than it put in.
Out of 1,000 deals you should see around 807 outright wins for 66, 174 for 43s, and 19 split pots.
The same matchup from the other side
The reversed view, 43s against 66, shows 18.36% for 43s and 81.64% for 66. It is the same count, so it redirects here.
Keep exploring
6s6h against 4d3d 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
Nothing here is simulated. The 24 deals of 66 against 43s fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
Bring your own hands to a session
Review the spots you actually play against these numbers in a Game Assessment, and leave with a one-page written plan.
Book a session