--- title: "AKs vs 43s: preflop equity" url: "https://georgelipoker.com/equity/aks-vs-43s.md" canonical_url: "https://georgelipoker.com/equity/aks-vs-43s" last_updated: "2026-10-23" type: "reference" summary: "AKs is a big favorite over 43s before the flop: 62.95% to 37.06% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/77-vs-43s.md", "https://georgelipoker.com/equity/aks-vs-53s.md", "https://georgelipoker.com/equity/88-vs-43s.md"] --- # AKs vs 43s: preflop equity AKs is a big favorite over 43s before the flop: 62.95% to 37.06% equity, counted exactly over every board, with the split by flop type and suit. Over all 1,712,304 boards that can follow this deal, AKs finishes with 62.95% of the pot and 43s with 37.05%. ## AKs against 43s: the numbers **Exact preflop results for AKs against 43s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AKs | 62.650 | 0.590 | 36.760 | 62.945 | | 43s | 36.760 | 0.590 | 62.650 | 37.055 | Two suited hands meet here: AKs against 43s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances. That is a modest edge, the kind that shows up over many hands and is easy to miss in one. About 0.59% of boards chop the pot, which is why equity sits slightly above the win figure for both hands. By strength against a random hand, AKs holds place 8 of 169 and 43s holds place 150. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AKs | 17,164,000 | 162,000 | 10,071,000 | | 43s | 10,071,000 | 162,000 | 17,164,000 | Exact total: 16 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. **AKs against 43s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | AKs | 1.699 | 1.596 | 2.720 | 0.589 | | 43s | 0.589 | 2.720 | 1.596 | 1.699 | 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 If you know the kind of flop that came, the numbers shift: AKs holds 69.36% on rainbow flops topped by a ten or better and 38.24% on low rainbow flops (nine high or lower). 43s is ahead on low rainbow flops (nine high or lower), even though it trails AKs when every flop is counted. **AKs against 43s by flop texture, in percent** | Flop | Share of flops | AKs wins | Ties | 43s wins | AKs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 69.263 | 0.194 | 30.543 | 69.360 | | Rainbow, nine or lower | 6.314 | 37.657 | 1.159 | 61.184 | 38.236 | | Two-tone | 46.727 | 61.901 | 0.346 | 37.753 | 62.074 | | Monotone | 5.273 | 58.161 | 3.667 | 38.172 | 59.995 | | Paired | 17.091 | 65.802 | 0.665 | 33.533 | 66.134 | 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 Against one random hand instead, AKs holds 67.05% and 43s holds 38.64%. Facing each other changes that by -4.10 points for AKs and -1.59 points for 43s. **AKs and 43s here compared with each against a random hand, in percent** | Case | Equity here | Against a random hand | Change in points | Times the random-hand equity | | --- | --- | --- | --- | --- | | AKs, all flops | 62.945 | 67.045 | -4.100 | 0.93885 | | AKs, rainbow, ten or higher | 69.360 | 67.045 | +2.315 | 1.03453 | | AKs, rainbow, nine or lower | 38.236 | 67.045 | -28.809 | 0.57030 | | AKs, two-tone | 62.074 | 67.045 | -4.971 | 0.92586 | | AKs, monotone | 59.995 | 67.045 | -7.050 | 0.89485 | | AKs, paired | 66.134 | 67.045 | -0.911 | 0.98641 | | 43s, all flops | 37.055 | 38.642 | -1.587 | 0.95893 | | 43s, rainbow, ten or higher | 30.640 | 38.642 | -8.002 | 0.79292 | | 43s, rainbow, nine or lower | 61.764 | 38.642 | +23.122 | 1.59836 | | 43s, two-tone | 37.926 | 38.642 | -0.716 | 0.98147 | | 43s, monotone | 40.005 | 38.642 | +1.363 | 1.03527 | | 43s, paired | 33.866 | 38.642 | -4.776 | 0.87640 | ## Does a shared suit matter? The suit split reads 65.27% for AKs with a shared suit and 62.17% without one. AKs does better with a shared suit, by 3.10 points. **AKs against 43s by suit overlap, in percent** | Deals | Specific deals | Share of deals | AKs wins | Ties | 43s wins | AKs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 64.937 | 0.666 | 34.397 | 65.270 | | No shared suit | 12 | 75.00 | 61.889 | 0.564 | 37.547 | 62.171 | ## How often this matchup comes up The class pair covers 16 combinations of specific cards in a fixed seat order, 0.0010% of 1,624,350, and 32 (0.0020%) in either order. ## A worked example Try it with money: two players each put in $100 and the whole board runs out every possible way. AKs averages $125.90 from the $200, up $25.90; 43s averages $74.10, down $25.90. Out of 1,000 deals you should see around 626 outright wins for AKs, 368 for 43s, and 6 split pots. ## The same matchup from the other side One page covers both views. From 43s' side the equity is 37.05%, and from AKs' side it is 62.95%. ## Keep exploring Open the calculator with AsKs against 4h3h 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. - [Open AsKs against 4h3h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsKs&p2=4h3h) - [AKs combos](https://georgelipoker.com/combos/aks.md) - [43s combos](https://georgelipoker.com/combos/43s.md) - [77 vs 43s](https://georgelipoker.com/equity/77-vs-43s.md) - [AKs vs 53s](https://georgelipoker.com/equity/aks-vs-53s.md) - [88 vs 43s](https://georgelipoker.com/equity/88-vs-43s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed This is an exact count with no sampling. For the 16 ways to deal one AKs and one 43s without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [77 vs 43s: preflop equity](https://georgelipoker.com/equity/77-vs-43s.md) - [AKs vs 53s: preflop equity](https://georgelipoker.com/equity/aks-vs-53s.md) - [88 vs 43s: preflop equity](https://georgelipoker.com/equity/88-vs-43s.md)