QJo vs T8s: preflop equity

Dealt all in against each other, QJo takes 62.86% of the pot on average and T8s takes the other 37.14%.

QJo

62.86%

Wins 62.40%, ties 0.91%

T8s

37.14%

Wins 36.69%, ties 0.91%

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

QJo against T8s: the numbers

Exact preflop results for QJo against T8s, in percent
HandWinsTiesLosesEquity
QJo62.4000.90936.69162.855
T8s36.6910.90962.40037.145

The first hand is an offsuit hand; the second is a suited hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

That is a modest edge, the kind that shows up over many hands and is easy to miss in one. Ties are part of the picture: 0.91% of boards end in a split pot, and each side counts that as half a win.

Ranked by equity against a random hand, QJo is number 39 of the 169 starting hands and T8s is number 73.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QJo51,287,000747,00030,157,000
T8s30,157,000747,00051,287,000

The total is exact: 48 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.

QJo against T8s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QJo1.6921.6032.7250.591
T8s0.5912.7251.6031.692

The final column gives the least the pot must offer for each unit called for a call to break even at this equity.

Who is ahead on which flops

Break the boards down by their first three cards and QJo is strongest on rainbow flops topped by a ten or better (68.14%) and weakest on low rainbow flops (nine high or lower) (51.98%). QJo stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

QJo against T8s by flop texture, in percent
FlopShare of flopsQJo winsTiesT8s winsQJo equity
Rainbow, ten or higher23.98867.9090.46231.62968.140
Rainbow, nine or lower7.04251.6460.65847.69651.975
Two-tone46.66761.3310.47538.19461.568
Monotone5.21259.4792.53537.98660.747
Paired17.09162.9092.33134.76064.075

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

Relative to a random opponent, QJo changes by +4.72 points (baseline 58.14%) and T8s by -15.19 points (baseline 52.33%).

QJo and T8s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QJo, all flops62.85558.135+4.7201.08119
QJo, rainbow, ten or higher68.14058.135+10.0051.17210
QJo, rainbow, nine or lower51.97558.135-6.1600.89404
QJo, two-tone61.56858.135+3.4331.05905
QJo, monotone60.74758.135+2.6121.04493
QJo, paired64.07558.135+5.9401.10218
T8s, all flops37.14552.334-15.1890.70977
T8s, rainbow, ten or higher31.86052.334-20.4740.60878
T8s, rainbow, nine or lower48.02552.334-4.3090.91766
T8s, two-tone38.43252.334-13.9020.73436
T8s, monotone39.25352.334-13.0810.75005
T8s, paired35.92552.334-16.4090.68646

Does a shared suit matter?

Two kinds of deal exist here. In 24 of them the hands share a suit and QJo holds 63.56%. In 24 they do not, and it holds 62.15%. QJo does better with a shared suit, by 1.41 points.

QJo against T8s by suit overlap, in percent
DealsSpecific dealsShare of dealsQJo winsTiesT8s winsQJo equity
Share a suit2450.0063.0830.95035.96763.558
No shared suit2450.0061.7170.86937.41462.151

How often this matchup comes up

How often does it happen? 48 of the 1,624,350 ordered deals (0.0030%) are QJo against T8s, and 96 (0.0059%) if either hand may sit in either seat.

A worked example

With $100 from each side, the $200 pot is split on average as $125.72 for QJo and $74.28 for T8s; the first side gains $25.72 per all-in and the second gives up $25.72.

Over a long run, 1,000 deals split into about 624 for QJo, 367 for T8s and 9 tied.

The same matchup from the other side

The mirror image, T8s against QJo, is 37.14% to 62.86%, and its address redirects to this page.

QsJh against Td8d 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.

How this was computed

This is an exact count with no sampling. For the 48 ways to deal one QJo and one T8s 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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