--- title: "KJo vs Q9s: preflop equity" url: "https://georgelipoker.com/equity/kjo-vs-q9s.md" canonical_url: "https://georgelipoker.com/equity/kjo-vs-q9s" last_updated: "2026-10-23" type: "reference" summary: "KJo is a big favorite over Q9s before the flop: 60.25% to 39.75% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/kjo-vs-jts.md", "https://georgelipoker.com/equity/kjo-vs-a2s.md", "https://georgelipoker.com/equity/55-vs-q9s.md"] --- # KJo vs Q9s: preflop equity KJo is a big favorite over Q9s before the flop: 60.25% to 39.75% equity, counted exactly over every board, with the split by flop type and suit. The exact count puts KJo at 60.25% and Q9s at 39.75% when the two hands see all five board cards. ## KJo against Q9s: the numbers **Exact preflop results for KJo against Q9s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | KJo | 59.905 | 0.682 | 39.413 | 60.246 | | Q9s | 39.413 | 0.682 | 59.905 | 39.754 | KJo and Q9s are an offsuit hand and a suited hand, in that order. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances. A 20.50 point lead is real, and Q9s still takes about 394 of every 1,000 deals outright. A split pot comes up on 0.68% of boards, so the wins and the equity differ by half of that. Among the 169 starting hands, KJo is number 26 and Q9s is number 43 by strength against a random hand. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | KJo | 49,236,000 | 561,000 | 32,394,000 | | Q9s | 32,394,000 | 561,000 | 49,236,000 | The board total is exact, 48 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **KJo against Q9s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | KJo | 1.515 | 1.669 | 2.537 | 0.660 | | Q9s | 0.660 | 2.537 | 1.669 | 1.515 | 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 Break the boards down by their first three cards and KJo is strongest on rainbow flops topped by a ten or better (63.21%) and weakest on low rainbow flops (nine high or lower) (56.06%). KJo stays ahead on all five textures. **KJo against Q9s by flop texture, in percent** | Flop | Share of flops | KJo wins | Ties | Q9s wins | KJo equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.988 | 63.073 | 0.264 | 36.663 | 63.205 | | Rainbow, nine or lower | 7.042 | 55.577 | 0.961 | 43.462 | 56.058 | | Two-tone | 46.667 | 58.439 | 0.390 | 41.171 | 58.634 | | Monotone | 5.212 | 56.254 | 2.461 | 41.285 | 57.484 | | Paired | 17.091 | 62.359 | 1.406 | 36.235 | 63.062 | 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 Each hand has a baseline against a random hand: 60.57% for KJo, 57.66% for Q9s. Here the change is -0.32 and -17.91 points. **KJo and Q9s 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 | | --- | --- | --- | --- | --- | | KJo, all flops | 60.246 | 60.569 | -0.323 | 0.99467 | | KJo, rainbow, ten or higher | 63.205 | 60.569 | +2.636 | 1.04352 | | KJo, rainbow, nine or lower | 56.058 | 60.569 | -4.511 | 0.92552 | | KJo, two-tone | 58.634 | 60.569 | -1.935 | 0.96805 | | KJo, monotone | 57.484 | 60.569 | -3.085 | 0.94907 | | KJo, paired | 63.062 | 60.569 | +2.493 | 1.04116 | | Q9s, all flops | 39.754 | 57.664 | -17.910 | 0.68941 | | Q9s, rainbow, ten or higher | 36.795 | 57.664 | -20.869 | 0.63809 | | Q9s, rainbow, nine or lower | 43.942 | 57.664 | -13.722 | 0.76204 | | Q9s, two-tone | 41.366 | 57.664 | -16.298 | 0.71736 | | Q9s, monotone | 42.516 | 57.664 | -15.148 | 0.73731 | | Q9s, paired | 36.938 | 57.664 | -20.726 | 0.64057 | ## Does a shared suit matter? Looking only at deals where the hands share a suit, KJo has 60.80%; looking only at deals where they do not, 59.70%. KJo does better with a shared suit, by 1.10 points. **KJo against Q9s by suit overlap, in percent** | Deals | Specific deals | Share of deals | KJo wins | Ties | Q9s wins | KJo equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 60.436 | 0.722 | 38.842 | 60.797 | | No shared suit | 24 | 50.00 | 59.375 | 0.641 | 39.984 | 59.695 | ## How often this matchup comes up The class pair covers 48 combinations of specific cards in a fixed seat order, 0.0030% of 1,624,350, and 96 (0.0059%) in either order. ## A worked example A $100 all-in from each player makes a $200 pot, and the exact equity says KJo gets $120.50 of it on average and Q9s gets $79.50. Over a long run, 1,000 deals split into about 599 for KJo, 394 for Q9s and 7 tied. ## The same matchup from the other side The reversed view, Q9s against KJo, shows 39.75% for Q9s and 60.25% for KJo. It is the same count, so it redirects here. ## Keep exploring KsJh against Qd9d 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 KsJh against Qd9d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=KsJh&p2=Qd9d) - [KJo combos](https://georgelipoker.com/combos/kjo.md) - [Q9s combos](https://georgelipoker.com/combos/q9s.md) - [KJo vs JTs](https://georgelipoker.com/equity/kjo-vs-jts.md) - [KJo vs A2s](https://georgelipoker.com/equity/kjo-vs-a2s.md) - [55 vs Q9s](https://georgelipoker.com/equity/55-vs-q9s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 48 deals of KJo against Q9s 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 - [KJo vs JTs: preflop equity](https://georgelipoker.com/equity/kjo-vs-jts.md) - [KJo vs A2s: preflop equity](https://georgelipoker.com/equity/kjo-vs-a2s.md) - [55 vs Q9s: preflop equity](https://georgelipoker.com/equity/55-vs-q9s.md)