QTs vs 53s: preflop equity

In equity, QTs against 53s stands at 63.69% to 36.31%, a gap of 27.38 points.

QTs

63.69%

Wins 63.21%, ties 0.96%

53s

36.31%

Wins 35.83%, ties 0.96%

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

QTs against 53s: the numbers

Exact preflop results for QTs against 53s, in percent
HandWinsTiesLosesEquity
QTs63.2090.96435.82763.691
53s35.8270.96463.20936.309

This is a contest between two suited hands, QTs and 53s. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

A 27.38 point lead is real, and 53s still takes about 358 of every 1,000 deals outright. The tie share is 0.96%: on those boards the pot is chopped and neither hand wins outright.

In the ranking of all 169 starting hands, QTs is number 34 and 53s is number 146.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QTs17,317,000264,0009,815,000
53s9,815,000264,00017,317,000

Exact total: 16 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.

QTs against 53s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QTs1.7541.5822.7910.570
53s0.5702.7911.5821.754

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

The flop changes the picture. QTs does best on rainbow flops topped by a ten or better, at 70.44%, and worst on low rainbow flops (nine high or lower), at 39.64%. 53s takes over on low rainbow flops (nine high or lower), so the favorite before the flop is the underdog on those boards.

QTs against 53s by flop texture, in percent
FlopShare of flopsQTs winsTies53s winsQTs equity
Rainbow, ten or higher24.59570.2020.47529.32370.440
Rainbow, nine or lower6.31439.2420.78659.97239.635
Two-tone46.72762.8640.49636.64063.112
Monotone5.27358.9793.68037.34160.819
Paired17.09164.2492.17633.57565.337

Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank.

Compared with a random hand

A random hand would give QTs 59.47% and 53s 39.69%. Against each other the change is +4.22 points for QTs and -3.38 for 53s.

QTs and 53s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QTs, all flops63.69159.468+4.2231.07101
QTs, rainbow, ten or higher70.44059.468+10.9721.18450
QTs, rainbow, nine or lower39.63559.468-19.8330.66649
QTs, two-tone63.11259.468+3.6441.06128
QTs, monotone60.81959.468+1.3511.02272
QTs, paired65.33759.468+5.8691.09869
53s, all flops36.30939.693-3.3840.91475
53s, rainbow, ten or higher29.56039.693-10.1330.74472
53s, rainbow, nine or lower60.36539.693+20.6721.52080
53s, two-tone36.88839.693-2.8050.92933
53s, monotone39.18139.693-0.5120.98710
53s, paired34.66339.693-5.0300.87328

Does a shared suit matter?

Two kinds of deal exist here. In 4 of them the hands share a suit and QTs holds 66.07%. In 12 they do not, and it holds 62.90%. QTs does better with a shared suit, by 3.17 points.

QTs against 53s by suit overlap, in percent
DealsSpecific dealsShare of dealsQTs winsTies53s winsQTs equity
Share a suit425.0065.5391.06633.39566.072
No shared suit1275.0062.4330.93036.63762.898

How often this matchup comes up

This page stands for 16 specific-card matchups (0.0010% of 1,624,350 ordered deals), or 32 once you count the seats both ways (0.0020%).

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. QTs is worth $127.38 on average (+$27.38); 53s is worth $72.62 (-$27.38).

Run 1,000 deals and the tally comes out near 632 for QTs, 358 for 53s and 10 ties.

The same matchup from the other side

If you came looking for 53s against QTs, the numbers are the same with the hands swapped: 36.31% and 63.69%.

The calculator link fills in QsTs against 5h3h, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength.

How this was computed

All 1,712,304 five-card boards are dealt for every suit pattern among the 16 specific deals of QTs against 53s, 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.

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