--- title: "AQs vs 43s: preflop equity" url: "https://georgelipoker.com/equity/aqs-vs-43s.md" canonical_url: "https://georgelipoker.com/equity/aqs-vs-43s" last_updated: "2026-10-23" type: "reference" summary: "AQs is a big favorite over 43s before the flop: 63.03% to 36.97% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/ajs-vs-43s.md", "https://georgelipoker.com/equity/aqs-vs-53s.md", "https://georgelipoker.com/equity/77-vs-43s.md"] --- # AQs vs 43s: preflop equity AQs is a big favorite over 43s before the flop: 63.03% to 36.97% equity, counted exactly over every board, with the split by flop type and suit. Before any board card is dealt, AQs holds 63.03% equity against 43s, which leaves 43s with 36.97%. ## AQs against 43s: the numbers **Exact preflop results for AQs against 43s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AQs | 62.737 | 0.580 | 36.683 | 63.027 | | 43s | 36.683 | 0.580 | 62.737 | 36.973 | Here suited hands face each other, AQs on one side and 43s on the other. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances. A 26.06 point lead is real, and 43s still takes about 367 of every 1,000 deals outright. Split pots make up 0.58% of the boards, and both equity figures count them as half a win each. In the ranking of all 169 starting hands, AQs is number 10 and 43s is number 150. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AQs | 17,188,000 | 159,000 | 10,050,000 | | 43s | 10,050,000 | 159,000 | 17,188,000 | 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. **AQs 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) | | --- | --- | --- | --- | --- | | AQs | 1.705 | 1.594 | 2.726 | 0.587 | | 43s | 0.587 | 2.726 | 1.594 | 1.705 | The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call. ## Who is ahead on which flops If you know the kind of flop that came, the numbers shift: AQs holds 69.48% on rainbow flops topped by a ten or better and 38.30% on low rainbow flops (nine high or lower). Watch for low rainbow flops (nine high or lower): on those flops 43s holds the better equity. **AQs against 43s by flop texture, in percent** | Flop | Share of flops | AQs wins | Ties | 43s wins | AQs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 69.390 | 0.182 | 30.428 | 69.481 | | Rainbow, nine or lower | 6.314 | 37.739 | 1.126 | 61.135 | 38.302 | | Two-tone | 46.727 | 62.002 | 0.335 | 37.663 | 62.169 | | Monotone | 5.273 | 58.233 | 3.661 | 38.106 | 60.064 | | Paired | 17.091 | 65.798 | 0.669 | 33.533 | 66.132 | 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 A random hand would give AQs 66.21% and 43s 38.64%. Against each other the change is -3.18 points for AQs and -1.67 for 43s. **AQs 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 | | --- | --- | --- | --- | --- | | AQs, all flops | 63.027 | 66.209 | -3.182 | 0.95194 | | AQs, rainbow, ten or higher | 69.481 | 66.209 | +3.272 | 1.04942 | | AQs, rainbow, nine or lower | 38.302 | 66.209 | -27.907 | 0.57850 | | AQs, two-tone | 62.169 | 66.209 | -4.040 | 0.93898 | | AQs, monotone | 60.064 | 66.209 | -6.145 | 0.90719 | | AQs, paired | 66.132 | 66.209 | -0.077 | 0.99884 | | 43s, all flops | 36.973 | 38.642 | -1.669 | 0.95681 | | 43s, rainbow, ten or higher | 30.519 | 38.642 | -8.123 | 0.78979 | | 43s, rainbow, nine or lower | 61.698 | 38.642 | +23.056 | 1.59666 | | 43s, two-tone | 37.831 | 38.642 | -0.811 | 0.97901 | | 43s, monotone | 39.936 | 38.642 | +1.294 | 1.03349 | | 43s, paired | 33.868 | 38.642 | -4.774 | 0.87646 | ## Does a shared suit matter? Of the deals of this matchup, 4 share a suit (AQs at 65.36%) and 12 do not (62.25%). AQs does better with a shared suit, by 3.11 points. **AQs against 43s by suit overlap, in percent** | Deals | Specific deals | Share of deals | AQs wins | Ties | 43s wins | AQs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 65.032 | 0.656 | 34.312 | 65.360 | | No shared suit | 12 | 75.00 | 61.972 | 0.555 | 37.473 | 62.249 | ## How often this matchup comes up Exactly 16 specific deals fit this matchup in one seat order, which is 0.0010% of 1,624,350; both orders together give 32, or 0.0020%. ## A worked example Put $100 each into a $200 pot and deal every board once: AQs averages $126.06 back, ahead of its $100 by $26.06, while 43s averages $73.94, short of its $100 by $26.06. Scaled to 1,000 deals, that is roughly 627 wins for AQs, 367 for 43s and 6 chopped pots. ## The same matchup from the other side Swap the hands and you get 43s with 36.97% against AQs with 63.03%. We keep one page per matchup, with the better-ranked hand first. ## Keep exploring AsQs 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. - [Open AsQs against 4h3h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsQs&p2=4h3h) - [AQs combos](https://georgelipoker.com/combos/aqs.md) - [43s combos](https://georgelipoker.com/combos/43s.md) - [AJs vs 43s](https://georgelipoker.com/equity/ajs-vs-43s.md) - [AQs vs 53s](https://georgelipoker.com/equity/aqs-vs-53s.md) - [77 vs 43s](https://georgelipoker.com/equity/77-vs-43s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 16 deals of AQs 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. ## Related - [AJs vs 43s: preflop equity](https://georgelipoker.com/equity/ajs-vs-43s.md) - [AQs vs 53s: preflop equity](https://georgelipoker.com/equity/aqs-vs-53s.md) - [77 vs 43s: preflop equity](https://georgelipoker.com/equity/77-vs-43s.md)