--- title: "AKo vs 43s: preflop equity" url: "https://georgelipoker.com/equity/ako-vs-43s.md" canonical_url: "https://georgelipoker.com/equity/ako-vs-43s" last_updated: "2026-10-23" type: "reference" summary: "AKo is a big favorite over 43s before the flop: 60.43% to 39.57% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/ats-vs-43s.md", "https://georgelipoker.com/equity/ako-vs-53s.md", "https://georgelipoker.com/equity/ajs-vs-43s.md"] --- # AKo vs 43s: preflop equity AKo is a big favorite over 43s before the flop: 60.43% to 39.57% equity, counted exactly over every board, with the split by flop type and suit. Counting every board, the equity split is 60.43% for AKo and 39.57% for 43s, so AKo leads by 20.86 points. ## AKo against 43s: the numbers **Exact preflop results for AKo against 43s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AKo | 60.159 | 0.549 | 39.292 | 60.434 | | 43s | 39.292 | 0.549 | 60.159 | 39.566 | We compare an offsuit hand with a suited hand. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits. A 20.86 point lead is real, and 43s still takes about 393 of every 1,000 deals outright. A split pot comes up on 0.55% of boards, so the wins and the equity differ by half of that. By strength against a random hand, AKo holds place 12 of 169 and 43s holds place 150. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AKo | 49,445,000 | 451,000 | 32,294,000 | | 43s | 32,294,000 | 451,000 | 49,445,000 | 48 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand. **AKo 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) | | --- | --- | --- | --- | --- | | AKo | 1.527 | 1.662 | 2.545 | 0.655 | | 43s | 0.655 | 2.545 | 1.662 | 1.527 | 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 AKo prefers rainbow flops topped by a ten or better, where it holds 68.03%, and likes low rainbow flops (nine high or lower) least, where it holds 35.80%. The lead reverses on low rainbow flops (nine high or lower): there 43s is the favorite even though AKo is ahead overall. **AKo against 43s by flop texture, in percent** | Flop | Share of flops | AKo wins | Ties | 43s wins | AKo equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.717 | 67.927 | 0.201 | 31.872 | 68.028 | | Rainbow, nine or lower | 6.313 | 35.198 | 1.206 | 63.596 | 35.801 | | Two-tone | 46.667 | 58.457 | 0.375 | 41.168 | 58.645 | | Monotone | 5.212 | 57.253 | 2.577 | 40.170 | 58.541 | | Paired | 17.091 | 63.679 | 0.665 | 35.656 | 64.012 | 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 How much does the opponent matter? Compared with its random-hand 65.32%, AKo changes by -4.89 points, and 43s, from 38.64%, by +0.93. **AKo 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 | | --- | --- | --- | --- | --- | | AKo, all flops | 60.434 | 65.320 | -4.886 | 0.92520 | | AKo, rainbow, ten or higher | 68.028 | 65.320 | +2.708 | 1.04146 | | AKo, rainbow, nine or lower | 35.801 | 65.320 | -29.519 | 0.54809 | | AKo, two-tone | 58.645 | 65.320 | -6.675 | 0.89781 | | AKo, monotone | 58.541 | 65.320 | -6.779 | 0.89622 | | AKo, paired | 64.012 | 65.320 | -1.308 | 0.97998 | | 43s, all flops | 39.566 | 38.642 | +0.924 | 1.02391 | | 43s, rainbow, ten or higher | 31.972 | 38.642 | -6.670 | 0.82739 | | 43s, rainbow, nine or lower | 64.199 | 38.642 | +25.557 | 1.66138 | | 43s, two-tone | 41.355 | 38.642 | +2.713 | 1.07021 | | 43s, monotone | 41.459 | 38.642 | +2.817 | 1.07290 | | 43s, paired | 35.988 | 38.642 | -2.654 | 0.93132 | ## Does a shared suit matter? Looking only at deals where the hands share a suit, AKo has 61.13%; looking only at deals where they do not, 59.74%. AKo does better with a shared suit, by 1.39 points. **AKo against 43s by suit overlap, in percent** | Deals | Specific deals | Share of deals | AKo wins | Ties | 43s wins | AKo equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 60.838 | 0.584 | 38.578 | 61.130 | | No shared suit | 24 | 50.00 | 59.480 | 0.514 | 40.006 | 59.737 | ## How often this matchup comes up This page stands for 48 specific-card matchups (0.0030% of 1,624,350 ordered deals), or 96 once you count the seats both ways (0.0059%). ## A worked example Put $100 each into a $200 pot and deal every board once: AKo averages $120.86 back, ahead of its $100 by $20.86, while 43s averages $79.14, short of its $100 by $20.86. A thousand deals look like this: AKo takes 602, 43s takes 393, 5 are ties. ## The same matchup from the other side If you came looking for 43s against AKo, the numbers are the same with the hands swapped: 39.57% and 60.43%. ## Keep exploring Try AsKh against 4d3d in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking. - [Open AsKh against 4d3d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsKh&p2=4d3d) - [AKo combos](https://georgelipoker.com/combos/ako.md) - [43s combos](https://georgelipoker.com/combos/43s.md) - [ATs vs 43s](https://georgelipoker.com/equity/ats-vs-43s.md) - [AKo vs 53s](https://georgelipoker.com/equity/ako-vs-53s.md) - [AJs vs 43s](https://georgelipoker.com/equity/ajs-vs-43s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed All 1,712,304 five-card boards are dealt for every suit pattern among the 48 specific deals of AKo against 43s, and both hands are scored on each. That is a full count, so the percentages are exact. Ties are half a win each, and each board appears once per flop it contains. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [ATs vs 43s: preflop equity](https://georgelipoker.com/equity/ats-vs-43s.md) - [AKo vs 53s: preflop equity](https://georgelipoker.com/equity/ako-vs-53s.md) - [AJs vs 43s: preflop equity](https://georgelipoker.com/equity/ajs-vs-43s.md)