--- title: "QJs vs Q9s: preflop equity" url: "https://georgelipoker.com/equity/qjs-vs-q9s.md" canonical_url: "https://georgelipoker.com/equity/qjs-vs-q9s" last_updated: "2026-10-23" type: "reference" summary: "QJs is a big favorite over Q9s before the flop: 69.97% to 30.03% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/qjs-vs-jts.md", "https://georgelipoker.com/equity/qjs-vs-a2s.md", "https://georgelipoker.com/equity/k9s-vs-q9s.md"] --- # QJs vs Q9s: preflop equity QJs is a big favorite over Q9s before the flop: 69.97% to 30.03% equity, counted exactly over every board, with the split by flop type and suit. The exact count puts QJs at 69.97% and Q9s at 30.03% when the two hands see all five board cards. ## QJs against Q9s: the numbers **Exact preflop results for QJs against Q9s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | QJs | 66.379 | 7.189 | 26.432 | 69.974 | | Q9s | 26.432 | 7.189 | 66.379 | 30.026 | This is a contest between two suited hands, QJs and Q9s. 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. QJs is well ahead, and Q9s needs a specific kind of board to catch up. A split pot comes up on 7.19% of boards, so the wins and the equity differ by half of that. QJs ranks number 28 of 169 starting hands, and Q9s ranks number 43, by equity against a random hand. **Boards behind the percentages: 20,547,648 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | QJs | 13,639,000 | 1,477,000 | 5,431,000 | | Q9s | 5,431,000 | 1,477,000 | 13,639,000 | The total is exact: 12 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. **QJs 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) | | --- | --- | --- | --- | --- | | QJs | 2.330 | 1.507 | 3.783 | 0.429 | | Q9s | 0.429 | 3.783 | 1.507 | 2.330 | 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 Across the five flop textures QJs' equity moves by 13.59 points, from 62.08% on low rainbow flops (nine high or lower) to 75.67% on rainbow flops topped by a ten or better. QJs stays ahead on all five textures. **QJs against Q9s by flop texture, in percent** | Flop | Share of flops | QJs wins | Ties | Q9s wins | QJs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.867 | 72.706 | 5.917 | 21.377 | 75.665 | | Rainbow, nine or lower | 7.042 | 60.689 | 2.790 | 36.521 | 62.084 | | Two-tone | 46.543 | 67.239 | 4.741 | 28.020 | 69.610 | | Monotone | 5.215 | 60.672 | 6.396 | 32.932 | 63.870 | | Paired | 17.333 | 59.389 | 17.536 | 23.075 | 68.157 | 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 Compared with a random opponent, this matchup shifts QJs from 60.26% by +9.71 points and Q9s from 57.66% by -27.63 points. **QJs 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 | | --- | --- | --- | --- | --- | | QJs, all flops | 69.974 | 60.259 | +9.715 | 1.16122 | | QJs, rainbow, ten or higher | 75.665 | 60.259 | +15.406 | 1.25566 | | QJs, rainbow, nine or lower | 62.084 | 60.259 | +1.825 | 1.03029 | | QJs, two-tone | 69.610 | 60.259 | +9.351 | 1.15518 | | QJs, monotone | 63.870 | 60.259 | +3.611 | 1.05992 | | QJs, paired | 68.157 | 60.259 | +7.898 | 1.13107 | | Q9s, all flops | 30.026 | 57.664 | -27.638 | 0.52071 | | Q9s, rainbow, ten or higher | 24.335 | 57.664 | -33.329 | 0.42201 | | Q9s, rainbow, nine or lower | 37.916 | 57.664 | -19.748 | 0.65753 | | Q9s, two-tone | 30.390 | 57.664 | -27.274 | 0.52702 | | Q9s, monotone | 36.130 | 57.664 | -21.534 | 0.62656 | | Q9s, paired | 31.843 | 57.664 | -25.821 | 0.55222 | ## Does a shared suit matter? Every legal deal of QJs against Q9s leaves the hands with no suit in common, so the suit split does not apply here. **QJs against Q9s by suit overlap, in percent** | Deals | Specific deals | Share of deals | QJs wins | Ties | Q9s wins | QJs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 0 | 0.00 | not possible | not possible | not possible | not possible | | No shared suit | 12 | 100.00 | 66.379 | 7.189 | 26.432 | 69.974 | ## How often this matchup comes up You will meet this exact matchup 0.0015% of the time in a random heads-up deal: 24 of 1,624,350, counting either seat order. ## A worked example Worked example: both players commit $100, so $200 sits in the middle. Over every board, QJs' average share is $139.94 (a gain of $39.94) and Q9s' is $60.06 (a loss of $39.94). Out of 1,000 deals you should see around 664 outright wins for QJs, 264 for Q9s, and 72 split pots. ## The same matchup from the other side Q9s versus QJs is this same page seen from the other hand: 30.03% for Q9s, 69.97% for QJs. ## Keep exploring Try QsJs against Qh9h 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 QsJs against Qh9h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=QsJs&p2=Qh9h) - [QJs combos](https://georgelipoker.com/combos/qjs.md) - [Q9s combos](https://georgelipoker.com/combos/q9s.md) - [QJs vs JTs](https://georgelipoker.com/equity/qjs-vs-jts.md) - [QJs vs A2s](https://georgelipoker.com/equity/qjs-vs-a2s.md) - [K9s vs Q9s](https://georgelipoker.com/equity/k9s-vs-q9s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 12 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [QJs vs JTs: preflop equity](https://georgelipoker.com/equity/qjs-vs-jts.md) - [QJs vs A2s: preflop equity](https://georgelipoker.com/equity/qjs-vs-a2s.md) - [K9s vs Q9s: preflop equity](https://georgelipoker.com/equity/k9s-vs-q9s.md)