---
title: "QQ vs J9s: preflop equity"
url: "https://georgelipoker.com/equity/qq-vs-j9s.md"
canonical_url: "https://georgelipoker.com/equity/qq-vs-j9s"
last_updated: "2026-10-23"
type: "reference"
summary: "QQ is a big favorite over J9s before the flop: 81.93% to 18.07% equity, counted exactly over every board, with the split by flop type and suit."
related: ["https://georgelipoker.com/equity/qq-vs-jto.md", "https://georgelipoker.com/equity/qq-vs-t9s.md", "https://georgelipoker.com/equity/jj-vs-j9s.md"]
---

# QQ vs J9s: preflop equity

QQ is a big favorite over J9s before the flop: 81.93% to 18.07% equity, counted exactly over every board, with the split by flop type and suit.

Over all 1,712,304 boards that can follow this deal, QQ finishes with 81.93% of the pot and J9s with 18.07%.

## QQ against J9s: the numbers

**Exact preflop results for QQ against J9s, in percent**

| Hand | Wins | Ties | Loses | Equity |
| --- | --- | --- | --- | --- |
| QQ | 81.736 | 0.395 | 17.869 | 81.934 |
| J9s | 17.869 | 0.395 | 81.736 | 18.066 |

The first hand is a pocket pair; the second is a suited hand. A pair against two lower cards is a lopsided matchup: the pair is ahead and the other hand has no overcard to catch.

QQ is a big favorite here before anyone sees a flop. About 0.40% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.

Place 3 of 169 belongs to QQ and place 55 belongs to J9s in the ranking against a random hand.

**Boards behind the percentages: 41,095,296 counted in all**

| Hand | Boards won, about | Boards tied, about | Boards lost, about |
| --- | --- | --- | --- |
| QQ | 33,590,000 | 162,000 | 7,343,000 |
| J9s | 7,343,000 | 162,000 | 33,590,000 |

The board total is exact, 24 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

**QQ against J9s read as odds**

| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
| --- | --- | --- | --- | --- |
| QQ | 4.535 | 1.223 | 5.596 | 0.220 |
| J9s | 0.220 | 5.596 | 1.223 | 4.535 |

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

Across the five flop textures QQ's equity moves by 9.64 points, from 75.82% on monotone flops to 85.46% on low rainbow flops (nine high or lower). QQ stays ahead on all five textures.

**QQ against J9s by flop texture, in percent**

| Flop | Share of flops | QQ wins | Ties | J9s wins | QQ equity |
| --- | --- | --- | --- | --- | --- |
| Rainbow, ten or higher | 23.867 | 83.314 | 0.139 | 16.547 | 83.383 |
| Rainbow, nine or lower | 7.042 | 84.976 | 0.961 | 14.063 | 85.456 |
| Two-tone | 46.545 | 79.980 | 0.299 | 19.721 | 80.130 |
| Monotone | 5.212 | 74.628 | 2.392 | 22.980 | 75.824 |
| Paired | 17.334 | 85.099 | 0.177 | 14.724 | 85.188 |

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

Against one random hand instead, QQ holds 79.93% and J9s holds 55.66%. Facing each other changes that by +2.00 points for QQ and -37.59 points for J9s.

**QQ and J9s 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 |
| --- | --- | --- | --- | --- |
| QQ, all flops | 81.934 | 79.925 | +2.009 | 1.02514 |
| QQ, rainbow, ten or higher | 83.383 | 79.925 | +3.458 | 1.04327 |
| QQ, rainbow, nine or lower | 85.456 | 79.925 | +5.531 | 1.06920 |
| QQ, two-tone | 80.130 | 79.925 | +0.205 | 1.00256 |
| QQ, monotone | 75.824 | 79.925 | -4.101 | 0.94869 |
| QQ, paired | 85.188 | 79.925 | +5.263 | 1.06585 |
| J9s, all flops | 18.066 | 55.662 | -37.596 | 0.32457 |
| J9s, rainbow, ten or higher | 16.617 | 55.662 | -39.045 | 0.29853 |
| J9s, rainbow, nine or lower | 14.544 | 55.662 | -41.118 | 0.26129 |
| J9s, two-tone | 19.870 | 55.662 | -35.792 | 0.35698 |
| J9s, monotone | 24.176 | 55.662 | -31.486 | 0.43434 |
| J9s, paired | 14.812 | 55.662 | -40.850 | 0.26611 |

## Does a shared suit matter?

The suit split reads 82.52% for QQ with a shared suit and 81.35% without one. QQ does better with a shared suit, by 1.17 points.

**QQ against J9s by suit overlap, in percent**

| Deals | Specific deals | Share of deals | QQ wins | Ties | J9s wins | QQ equity |
| --- | --- | --- | --- | --- | --- | --- |
| Share a suit | 12 | 50.00 | 82.299 | 0.436 | 17.265 | 82.517 |
| No shared suit | 12 | 50.00 | 81.173 | 0.355 | 18.472 | 81.351 |

## How often this matchup comes up

Exactly 24 specific deals fit this matchup in one seat order, which is 0.0015% of 1,624,350; both orders together give 48, or 0.0030%.

## A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. QQ is worth $163.86 on average (+$63.86); J9s is worth $36.14 (-$63.86).

A thousand deals look like this: QQ takes 817, J9s takes 179, 4 are ties.

## The same matchup from the other side

The mirror image, J9s against QQ, is 18.07% to 81.93%, and its address redirects to this page.

## Keep exploring

QsQh against Jd9d 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 QsQh against Jd9d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=QsQh&p2=Jd9d)
- [QQ combos](https://georgelipoker.com/combos/qq.md)
- [J9s combos](https://georgelipoker.com/combos/j9s.md)
- [QQ vs JTo](https://georgelipoker.com/equity/qq-vs-jto.md)
- [QQ vs T9s](https://georgelipoker.com/equity/qq-vs-t9s.md)
- [JJ vs J9s](https://georgelipoker.com/equity/jj-vs-j9s.md)
- [All hand matchups](https://georgelipoker.com/equity.md)

## How this was computed

All 1,712,304 five-card boards are dealt for every suit pattern among the 24 specific deals of QQ against J9s, and both hands are scored on each. That is a full count, so the percentages are exact. Ties are half a win each, and each board appears once per flop it contains.

Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.

## Related

- [QQ vs JTo: preflop equity](https://georgelipoker.com/equity/qq-vs-jto.md)
- [QQ vs T9s: preflop equity](https://georgelipoker.com/equity/qq-vs-t9s.md)
- [JJ vs J9s: preflop equity](https://georgelipoker.com/equity/jj-vs-j9s.md)
