QJo vs T9s: preflop equity

Counting every board, the equity split is 62.14% for QJo and 37.86% for T9s, so QJo leads by 24.28 points.

QJo

62.14%

Wins 61.68%, ties 0.91%

T9s

37.86%

Wins 37.41%, ties 0.91%

Equity counts a tie as half a win. Exact over every board.

QJo against T9s: the numbers

Exact preflop results for QJo against T9s, in percent
HandWinsTiesLosesEquity
QJo61.6820.91437.40462.139
T9s37.4040.91461.68237.861

QJo and T9s are an offsuit hand and a suited hand, in that order. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

A 24.28 point lead is real, and T9s still takes about 374 of every 1,000 deals outright. Ties are part of the picture: 0.91% of boards end in a split pot, and each side counts that as half a win.

The hand ranking puts QJo at 39 and T9s at 64 out of 169 starting hands.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QJo50,697,000751,00030,743,000
T9s30,743,000751,00050,697,000

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.

QJo against T9s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QJo1.6411.6212.6740.609
T9s0.6092.6741.6211.641

In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity.

Who is ahead on which flops

QJo prefers rainbow flops topped by a ten or better, where it holds 66.77%, and likes low rainbow flops (nine high or lower) least, where it holds 52.97%. QJo stays ahead on all five textures.

QJo against T9s by flop texture, in percent
FlopShare of flopsQJo winsTiesT9s winsQJo equity
Rainbow, ten or higher23.98866.5410.45233.00766.767
Rainbow, nine or lower7.04252.6070.72946.66452.971
Two-tone46.66760.6230.48138.89660.863
Monotone5.21258.9922.53838.47060.261
Paired17.09162.3112.32735.36263.475

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

A random hand would give QJo 58.14% and T9s 54.03%. Against each other the change is +4.00 points for QJo and -16.17 for T9s.

QJo and T9s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QJo, all flops62.13958.135+4.0041.06887
QJo, rainbow, ten or higher66.76758.135+8.6321.14848
QJo, rainbow, nine or lower52.97158.135-5.1640.91117
QJo, two-tone60.86358.135+2.7281.04693
QJo, monotone60.26158.135+2.1261.03657
QJo, paired63.47558.135+5.3401.09186
T9s, all flops37.86154.028-16.1670.70077
T9s, rainbow, ten or higher33.23354.028-20.7950.61511
T9s, rainbow, nine or lower47.02954.028-6.9990.87046
T9s, two-tone39.13754.028-14.8910.72438
T9s, monotone39.73954.028-14.2890.73553
T9s, paired36.52554.028-17.5030.67604

Does a shared suit matter?

Suit overlap shows up in the numbers. With a suit in common QJo has 62.82% equity, and with none in common it has 61.46%. QJo does better with a shared suit, by 1.36 points.

QJo against T9s by suit overlap, in percent
DealsSpecific dealsShare of dealsQJo winsTiesT9s winsQJo equity
Share a suit2450.0062.3390.95536.70662.817
No shared suit2450.0061.0240.87438.10261.461

How often this matchup comes up

How often does it happen? 48 of the 1,624,350 ordered deals (0.0030%) are QJo against T9s, and 96 (0.0059%) if either hand may sit in either seat.

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. QJo is worth $124.28 on average (+$24.28); T9s is worth $75.72 (-$24.28).

In 1,000 deals of exactly this matchup, expect about 617 won outright by QJo, about 374 won outright by T9s and about 9 split.

The same matchup from the other side

The mirror image, T9s against QJo, is 37.86% to 62.14%, and its address redirects to this page.

Open the calculator with QsJh against Td9d already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking.

How this was computed

This is an exact count with no sampling. For the 48 ways to deal one QJo and one T9s without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops.

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

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