QTo vs 54s: preflop equity

Over all 1,712,304 boards that can follow this deal, QTo finishes with 59.91% of the pot and 54s with 40.09%.

QTo

59.91%

Wins 59.44%, ties 0.93%

54s

40.09%

Wins 39.63%, ties 0.93%

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

QTo against 54s: the numbers

Exact preflop results for QTo against 54s, in percent
HandWinsTiesLosesEquity
QTo59.4400.92939.63159.905
54s39.6310.92959.44040.095

QTo, an offsuit hand, plays 54s, a suited hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

A 19.82 point lead is real, and 54s still takes about 396 of every 1,000 deals outright. Ties are 0.93% of the outcomes here; each tied board gives both hands half the pot.

In the ranking of all 169 starting hands, QTo is number 47 and 54s is number 136.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QTo48,854,000764,00032,573,000
54s32,573,000764,00048,854,000

Exact total: 48 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.

QTo against 54s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QTo1.4941.6822.5230.669
54s0.6692.5231.6821.494

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

By flop texture, QTo's equity runs from 35.10% on low rainbow flops (nine high or lower) up to 67.86% on rainbow flops topped by a ten or better. QTo is the favorite overall but falls behind on low rainbow flops (nine high or lower).

QTo against 54s by flop texture, in percent
FlopShare of flopsQTo winsTies54s winsQTo equity
Rainbow, ten or higher24.71767.6200.48831.89267.864
Rainbow, nine or lower6.31334.7220.75064.52835.097
Two-tone46.66758.1560.51441.33058.413
Monotone5.21257.0192.63440.34758.336
Paired17.09160.9862.24736.76762.110

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

Start from the random-hand figures, 57.29% for QTo and 41.45% for 54s. This opponent changes them by +2.62 and -1.36 points.

QTo and 54s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QTo, all flops59.90557.291+2.6141.04563
QTo, rainbow, ten or higher67.86457.291+10.5731.18455
QTo, rainbow, nine or lower35.09757.291-22.1940.61261
QTo, two-tone58.41357.291+1.1221.01958
QTo, monotone58.33657.291+1.0451.01824
QTo, paired62.11057.291+4.8191.08411
54s, all flops40.09541.453-1.3580.96724
54s, rainbow, ten or higher32.13641.453-9.3170.77524
54s, rainbow, nine or lower64.90341.453+23.4501.56570
54s, two-tone41.58741.453+0.1341.00323
54s, monotone41.66441.453+0.2111.00509
54s, paired37.89041.453-3.5630.91405

Does a shared suit matter?

When the hands share a suit, QTo holds 60.60%; when they do not, it holds 59.21%. QTo does better with a shared suit, by 1.39 points.

QTo against 54s by suit overlap, in percent
DealsSpecific dealsShare of dealsQTo winsTies54s winsQTo equity
Share a suit2450.0060.1160.97038.91460.601
No shared suit2450.0058.7640.88840.34859.208

How often this matchup comes up

QTo against 54s is made up of 48 specific-card matchups in one seat order, 0.0030% of the 1,624,350 ordered deals, and 96 counting both seat orders, 0.0059%.

A worked example

With $100 from each side, the $200 pot is split on average as $119.82 for QTo and $80.18 for 54s; the first side gains $19.82 per all-in and the second gives up $19.82.

Over a long run, 1,000 deals split into about 595 for QTo, 396 for 54s and 9 tied.

The same matchup from the other side

Swap the hands and you get 54s with 40.09% against QTo with 59.91%. We keep one page per matchup, with the better-ranked hand first.

Open the calculator with QsTh against 5d4d 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

Method: exact enumeration. The 48 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board.

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

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