--- title: "QJo vs Q9s: preflop equity" url: "https://georgelipoker.com/equity/qjo-vs-q9s.md" canonical_url: "https://georgelipoker.com/equity/qjo-vs-q9s" last_updated: "2026-10-23" type: "reference" summary: "QJo is a big favorite over Q9s before the flop: 68.81% to 31.19% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/qjo-vs-jts.md", "https://georgelipoker.com/equity/qjo-vs-a2s.md", "https://georgelipoker.com/equity/k9o-vs-q9s.md"] --- # QJo vs Q9s: preflop equity QJo is a big favorite over Q9s before the flop: 68.81% to 31.19% equity, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, QJo is ahead of Q9s by 37.62 points of equity, 68.81% to 31.19%. ## QJo against Q9s: the numbers **Exact preflop results for QJo against Q9s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | QJo | 65.050 | 7.521 | 27.429 | 68.810 | | Q9s | 27.429 | 7.521 | 65.050 | 31.190 | We compare an offsuit hand with a suited hand. The two hands share a rank, and the one with the better other card dominates: it wins most kicker battles when that shared rank hits. A lead of 37.62 points is large but not decisive: Q9s still takes about 274 of every 1,000 deals. The tie share is 7.52%: on those boards the pot is chopped and neither hand wins outright. QJo ranks number 39 of 169 starting hands, and Q9s ranks number 43, by equity against a random hand. **Boards behind the percentages: 61,642,944 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | QJo | 40,099,000 | 4,636,000 | 16,908,000 | | Q9s | 16,908,000 | 4,636,000 | 40,099,000 | The board total is exact, 36 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **QJo 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) | | --- | --- | --- | --- | --- | | QJo | 2.206 | 1.537 | 3.646 | 0.453 | | Q9s | 0.453 | 3.646 | 1.537 | 2.206 | 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 By flop texture, QJo's equity runs from 60.72% on low rainbow flops (nine high or lower) up to 75.08% on rainbow flops topped by a ten or better. QJo stays ahead on all five textures. **QJo against Q9s by flop texture, in percent** | Flop | Share of flops | QJo wins | Ties | Q9s wins | QJo equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.905 | 72.043 | 6.065 | 21.892 | 75.075 | | Rainbow, nine or lower | 7.042 | 59.277 | 2.893 | 37.830 | 60.723 | | Two-tone | 46.527 | 65.537 | 5.064 | 29.399 | 68.069 | | Monotone | 5.192 | 60.959 | 5.966 | 33.075 | 63.942 | | Paired | 17.334 | 57.667 | 18.472 | 23.861 | 66.903 | 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 How much does the opponent matter? Compared with its random-hand 58.14%, QJo changes by +10.67 points, and Q9s, from 57.66%, by -26.47. **QJo 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 | | --- | --- | --- | --- | --- | | QJo, all flops | 68.810 | 58.135 | +10.675 | 1.18362 | | QJo, rainbow, ten or higher | 75.075 | 58.135 | +16.940 | 1.29139 | | QJo, rainbow, nine or lower | 60.723 | 58.135 | +2.588 | 1.04452 | | QJo, two-tone | 68.069 | 58.135 | +9.934 | 1.17088 | | QJo, monotone | 63.942 | 58.135 | +5.807 | 1.09989 | | QJo, paired | 66.903 | 58.135 | +8.768 | 1.15082 | | Q9s, all flops | 31.190 | 57.664 | -26.474 | 0.54089 | | Q9s, rainbow, ten or higher | 24.925 | 57.664 | -32.739 | 0.43225 | | Q9s, rainbow, nine or lower | 39.277 | 57.664 | -18.387 | 0.68114 | | Q9s, two-tone | 31.931 | 57.664 | -25.733 | 0.55374 | | Q9s, monotone | 36.058 | 57.664 | -21.606 | 0.62531 | | Q9s, paired | 33.097 | 57.664 | -24.567 | 0.57396 | ## Does a shared suit matter? When the hands share a suit, QJo holds 69.53%; when they do not, it holds 68.45%. QJo does better with a shared suit, by 1.08 points. **QJo against Q9s by suit overlap, in percent** | Deals | Specific deals | Share of deals | QJo wins | Ties | Q9s wins | QJo equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 33.33 | 65.708 | 7.637 | 26.655 | 69.526 | | No shared suit | 24 | 66.67 | 64.721 | 7.463 | 27.816 | 68.452 | ## How often this matchup comes up Out of 1,624,350 ways to deal two seats two cards each, 36 are QJo in one seat and Q9s in the other (0.0022%); with the seats swapped too, 72 (0.0044%). ## A worked example Say each player puts $100 in before the flop, making a $200 pot. On average QJo takes back $137.62 of it, which is $37.62 more than it put in, and Q9s takes back $62.38, $37.62 less than it put in. Run 1,000 deals and the tally comes out near 651 for QJo, 274 for Q9s and 75 ties. ## The same matchup from the other side The mirror image, Q9s against QJo, is 31.19% to 68.81%, and its address redirects to this page. ## Keep exploring QsJh 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 QsJh against Qd9d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=QsJh&p2=Qd9d) - [QJo combos](https://georgelipoker.com/combos/qjo.md) - [Q9s combos](https://georgelipoker.com/combos/q9s.md) - [QJo vs JTs](https://georgelipoker.com/equity/qjo-vs-jts.md) - [QJo vs A2s](https://georgelipoker.com/equity/qjo-vs-a2s.md) - [K9o vs Q9s](https://georgelipoker.com/equity/k9o-vs-q9s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 36 deals of QJo 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 - [QJo vs JTs: preflop equity](https://georgelipoker.com/equity/qjo-vs-jts.md) - [QJo vs A2s: preflop equity](https://georgelipoker.com/equity/qjo-vs-a2s.md) - [K9o vs Q9s: preflop equity](https://georgelipoker.com/equity/k9o-vs-q9s.md)