--- title: "AJo vs 43s: preflop equity" url: "https://georgelipoker.com/equity/ajo-vs-43s.md" canonical_url: "https://georgelipoker.com/equity/ajo-vs-43s" last_updated: "2026-10-23" type: "reference" summary: "AJo is a big favorite over 43s before the flop: 60.61% to 39.39% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/kqs-vs-43s.md", "https://georgelipoker.com/equity/ajo-vs-53s.md", "https://georgelipoker.com/equity/aqo-vs-43s.md"] --- # AJo vs 43s: preflop equity AJo is a big favorite over 43s before the flop: 60.61% to 39.39% equity, counted exactly over every board, with the split by flop type and suit. In equity, AJo against 43s stands at 60.61% to 39.39%, a gap of 21.22 points. ## AJo against 43s: the numbers **Exact preflop results for AJo against 43s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AJo | 60.348 | 0.525 | 39.127 | 60.610 | | 43s | 39.127 | 0.525 | 60.348 | 39.390 | One side is an offsuit hand, the other is a suited hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other. A 21.22 point lead is real, and 43s still takes about 391 of every 1,000 deals outright. Ties are part of the picture: 0.53% of boards end in a split pot, and each side counts that as half a win. Place 15 of 169 belongs to AJo and place 150 belongs to 43s in the ranking against a random hand. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AJo | 49,600,000 | 432,000 | 32,159,000 | | 43s | 32,159,000 | 432,000 | 49,600,000 | 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. **AJo 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) | | --- | --- | --- | --- | --- | | AJo | 1.539 | 1.657 | 2.556 | 0.650 | | 43s | 0.650 | 2.556 | 1.657 | 1.539 | 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 By flop texture, AJo's equity runs from 36.13% on low rainbow flops (nine high or lower) up to 68.23% on rainbow flops topped by a ten or better. AJo is the favorite overall but falls behind on low rainbow flops (nine high or lower). **AJo against 43s by flop texture, in percent** | Flop | Share of flops | AJo wins | Ties | 43s wins | AJo equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.717 | 68.133 | 0.195 | 31.672 | 68.231 | | Rainbow, nine or lower | 6.313 | 35.599 | 1.063 | 63.338 | 36.131 | | Two-tone | 46.667 | 58.684 | 0.345 | 40.971 | 58.856 | | Monotone | 5.212 | 57.414 | 2.558 | 40.028 | 58.693 | | Paired | 17.091 | 63.671 | 0.673 | 35.656 | 64.007 | 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 The table below sets each hand against its own random-hand baseline: a change of -2.95 points for AJo, from 63.56%, and +0.75 for 43s, from 38.64%. **AJo 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 | | --- | --- | --- | --- | --- | | AJo, all flops | 60.610 | 63.563 | -2.953 | 0.95354 | | AJo, rainbow, ten or higher | 68.231 | 63.563 | +4.668 | 1.07344 | | AJo, rainbow, nine or lower | 36.131 | 63.563 | -27.432 | 0.56843 | | AJo, two-tone | 58.856 | 63.563 | -4.707 | 0.92595 | | AJo, monotone | 58.693 | 63.563 | -4.870 | 0.92338 | | AJo, paired | 64.007 | 63.563 | +0.444 | 1.00699 | | 43s, all flops | 39.390 | 38.642 | +0.748 | 1.01936 | | 43s, rainbow, ten or higher | 31.769 | 38.642 | -6.873 | 0.82214 | | 43s, rainbow, nine or lower | 63.869 | 38.642 | +25.227 | 1.65284 | | 43s, two-tone | 41.144 | 38.642 | +2.502 | 1.06475 | | 43s, monotone | 41.307 | 38.642 | +2.665 | 1.06897 | | 43s, paired | 35.993 | 38.642 | -2.649 | 0.93145 | ## Does a shared suit matter? Split by suits, the deals give AJo 61.31% when the hands overlap in a suit and 59.91% when they do not. AJo does better with a shared suit, by 1.40 points. **AJo against 43s by suit overlap, in percent** | Deals | Specific deals | Share of deals | AJo wins | Ties | 43s wins | AJo equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 61.028 | 0.561 | 38.411 | 61.308 | | No shared suit | 24 | 50.00 | 59.668 | 0.489 | 39.843 | 59.913 | ## How often this matchup comes up Out of 1,624,350 ways to deal two seats two cards each, 48 are AJo in one seat and 43s in the other (0.0030%); with the seats swapped too, 96 (0.0059%). ## A worked example Take a $200 pot built from $100 each. AJo's equity of 60.61% is worth $121.22, a $21.22 edge, and 43s' 39.39% is worth $78.78, which is $21.22 under its stake. Per 1,000 deals: AJo wins about 604, 43s wins about 391, and about 5 end in a split pot. ## The same matchup from the other side Swap the hands and you get 43s with 39.39% against AJo with 60.61%. We keep one page per matchup, with the better-ranked hand first. ## Keep exploring AsJh 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. - [Open AsJh against 4d3d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsJh&p2=4d3d) - [AJo combos](https://georgelipoker.com/combos/ajo.md) - [43s combos](https://georgelipoker.com/combos/43s.md) - [KQs vs 43s](https://georgelipoker.com/equity/kqs-vs-43s.md) - [AJo vs 53s](https://georgelipoker.com/equity/ajo-vs-53s.md) - [AQo vs 43s](https://georgelipoker.com/equity/aqo-vs-43s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Each figure is a complete count over boards. Take the 48 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [KQs vs 43s: preflop equity](https://georgelipoker.com/equity/kqs-vs-43s.md) - [AJo vs 53s: preflop equity](https://georgelipoker.com/equity/ajo-vs-53s.md) - [AQo vs 43s: preflop equity](https://georgelipoker.com/equity/aqo-vs-43s.md)