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QQ vs 99

QQ
VS
99
81.1%
equity for QQ — 99 takes 18.9%

Pair over pair — the higher pair is roughly an 80/20 favourite.

QQ Win
80.9%
Tie
0.4%
QQ Lose
18.7%
Card combinations
36
QQ vs random
79.9% · #3
99 vs random
72.2% · #6
Breakdown

Win, tie and loss for QQ

Win 80.9%Lose 18.7%

When QQ and 99 get all in before the flop, QQ wins 81.1% of the time and 99 takes 18.9%. Broken down, QQ wins outright 80.9%, chops 0.4% and loses 18.7% — a margin of 62.3 points. Pair over pair — the higher pair is roughly an 80/20 favourite.

The same matchup shifts depending on how the suits overlap. With no shared suit the number is 80.8% (for example Qs Qh against 9d 9c); with both suits shared it is 82.0% (Qs Qh against 9s 9h). That is a spread of 1.17 points across the 36 distinct card combinations, and it comes almost entirely from whether the two hands are fighting over the same flush.

Add a third player holding a random hand and the split becomes QQ 65.4%, 99 17.4%, random 17.1%. QQ gives up 15.7 points and 99 gives up 1.4, so the favourite loses more than the underdog does. Extra players always eat into the leader's share faster than into anyone else's.

Taken on their own, QQ is worth 79.9% against a random hand (rank 3 of 169) and 99 is worth 72.2% (rank 6). The gap between them in the ranking is only 7.7 points, yet head to head the gap is 62.3 points — a reminder that a ranking table and a direct matchup are two different questions.

Framed as a run of one hundred identical all-ins, QQ scoops roughly 81 pots, splits about one, and loses the remaining 19. Against eight random opponents rather than this one specific hand, QQ would be down to 24.5% and 99 to 17.2%, so the shape of this particular confrontation matters far more than either hand's standing in the overall ranking.

From 99's side, 18.9% is the break-even point for calling an all-in at 4.29:1 pot odds. Put another way, the call is profitable as long as the amount you have to put in is less than 18.9% of the pot you are playing for. QQ holds the other 81.1% of that same pot.

Two caveats keep this figure honest. First, it is showdown equity across all 36 card combinations with five board cards still to come — there is no fold equity in it, so the value of shoving in practice is usually higher than the raw percentage suggests. Second, it assumes 99 really does hold exactly 99; against the wider range a player would actually get all in with, QQ's 81.1% moves. Use the individual pages for QQ and 99 to see how each of them fares against all 168 other holdings before treating this single pairing as the whole picture.

By shared suits

Overlapping suits move the number

200,000 simulated showdowns per condition. The example column shows one concrete four-card layout.

ConditionExampleCombosQQ EquityWinTieLose
No shared suitQs Qh vs 9d 9c680.8%80.6%0.3%19.1%
One shared suitQs Qh vs 9s 9d2481.0%80.8%0.4%18.8%
Both suits sharedQs Qh vs 9s 9h682.0%81.7%0.5%17.8%
Three-way

Adding a random third hand

200,000 simulated showdowns, with the third hand dealt at random each time.

QQ
65.4%
vs heads-up -15.7pt
99
17.4%
vs heads-up -1.4pt
Random third hand
17.1%
Player count

At a bigger table

Random opponentsQQ99
179.9%72.2%
265.0%53.8%
444.9%32.5%
824.5%17.2%

Related

FAQ

QQ or 99 — which is ahead preflop?

QQ is the favourite. QQ takes 81.1% and 99 18.9%, a margin of 62.3 points, with 0.4% of hands ending in a chop.

Do the suits change QQ vs 99?

Yes. With no shared suit it is 80.8%, and with both suits shared it is 82.0% — a swing of up to 1.17 points.

What happens three-way?

With one extra random hand in the pot the split is QQ 65.4%, 99 17.4%, random 17.1%. QQ drops 15.7 points compared with heads-up.

429 words / 32 distinct figures — Method