A2s
57.54%
Wins 57.22%, ties 0.64%
43s
42.46%
Wins 42.14%, ties 0.64%
A2s against 43s: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| A2s | 57.217 | 0.644 | 42.139 | 57.539 |
| 43s | 42.139 | 0.644 | 57.217 | 42.461 |
A2s meets 43s, and both are suited hands. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.
The lead is steady rather than large, and the flop still has plenty of say in who wins. Ties are part of the picture: 0.64% of boards end in a split pot, and each side counts that as half a win.
A2s ranks number 46 of 169 starting hands, and 43s ranks number 150, by equity against a random hand.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| A2s | 15,676,000 | 176,000 | 11,545,000 |
| 43s | 11,545,000 | 176,000 | 15,676,000 |
The total is exact: 16 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) |
|---|---|---|---|---|
| A2s | 1.355 | 1.748 | 2.373 | 0.738 |
| 43s | 0.738 | 2.373 | 1.748 | 1.355 |
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
Break the boards down by their first three cards and A2s is strongest on paired flops (63.88%) and weakest on low rainbow flops (nine high or lower) (37.04%). The lead reverses on low rainbow flops (nine high or lower): there 43s is the favorite even though A2s is ahead overall.
| Flop | Share of flops | A2s wins | Ties | 43s wins | A2s equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 25.220 | 60.915 | 0.282 | 38.803 | 61.056 |
| Rainbow, nine or lower | 5.689 | 36.427 | 1.222 | 62.351 | 37.038 |
| Two-tone | 46.727 | 55.928 | 0.400 | 43.672 | 56.128 |
| Monotone | 5.273 | 52.948 | 3.701 | 43.351 | 54.799 |
| Paired | 17.091 | 63.523 | 0.710 | 35.767 | 63.878 |
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
How much does the opponent matter? Compared with its random-hand 57.38%, A2s changes by +0.16 points, and 43s, from 38.64%, by +3.82.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| A2s, all flops | 57.539 | 57.379 | +0.160 | 1.00279 |
| A2s, rainbow, ten or higher | 61.056 | 57.379 | +3.677 | 1.06408 |
| A2s, rainbow, nine or lower | 37.038 | 57.379 | -20.341 | 0.64550 |
| A2s, two-tone | 56.128 | 57.379 | -1.251 | 0.97820 |
| A2s, monotone | 54.799 | 57.379 | -2.580 | 0.95504 |
| A2s, paired | 63.878 | 57.379 | +6.499 | 1.11326 |
| 43s, all flops | 42.461 | 38.642 | +3.819 | 1.09883 |
| 43s, rainbow, ten or higher | 38.944 | 38.642 | +0.302 | 1.00782 |
| 43s, rainbow, nine or lower | 62.962 | 38.642 | +24.320 | 1.62937 |
| 43s, two-tone | 43.872 | 38.642 | +5.230 | 1.13534 |
| 43s, monotone | 45.201 | 38.642 | +6.559 | 1.16974 |
| 43s, paired | 36.122 | 38.642 | -2.520 | 0.93479 |
Does a shared suit matter?
Looking only at deals where the hands share a suit, A2s has 59.46%; looking only at deals where they do not, 56.90%. A2s does better with a shared suit, by 2.56 points.
| Deals | Specific deals | Share of deals | A2s wins | Ties | 43s wins | A2s equity |
|---|---|---|---|---|---|---|
| Share a suit | 4 | 25.00 | 59.100 | 0.723 | 40.177 | 59.461 |
| No shared suit | 12 | 75.00 | 56.590 | 0.617 | 42.793 | 56.898 |
How often this matchup comes up
This page stands for 16 specific-card matchups (0.0010% of 1,624,350 ordered deals), or 32 once you count the seats both ways (0.0020%).
A worked example
With $100 from each side, the $200 pot is split on average as $115.08 for A2s and $84.92 for 43s; the first side gains $15.08 per all-in and the second gives up $15.08.
A thousand deals look like this: A2s takes 572, 43s takes 421, 7 are ties.
The same matchup from the other side
Read it from the other side: 43s against A2s is the same matchup with the numbers swapped, so 43s holds 42.46% and A2s holds 57.54%. That address sends you back to this page.
Keep exploring
As2s against 4h3h 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
The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 16 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it.
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