QTs vs 75s: preflop equity

Before any board card is dealt, QTs holds 63.74% equity against 75s, which leaves 75s with 36.26%.

QTs

63.74%

Wins 63.28%, ties 0.93%

75s

36.26%

Wins 35.79%, ties 0.93%

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

QTs against 75s: the numbers

Exact preflop results for QTs against 75s, in percent
HandWinsTiesLosesEquity
QTs63.2790.92735.79463.743
75s35.7940.92763.27936.257

Each side holds one of the suited hands: QTs and 75s. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

A 27.48 point lead is real, and 75s still takes about 358 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, QTs is number 34 and 75s is number 124.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QTs17,336,000254,0009,806,000
75s9,806,000254,00017,336,000

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 75s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QTs1.7581.5802.7940.569
75s0.5692.7941.5801.758

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 QTs is strongest on rainbow flops topped by a ten or better (71.06%) and weakest on low rainbow flops (nine high or lower) (38.01%). The lead reverses on low rainbow flops (nine high or lower): there 75s is the favorite even though QTs is ahead overall.

QTs against 75s by flop texture, in percent
FlopShare of flopsQTs winsTies75s winsQTs equity
Rainbow, ten or higher24.59570.8240.48028.69671.064
Rainbow, nine or lower6.31437.7390.54161.72038.010
Two-tone46.72763.0310.45636.51363.259
Monotone5.27359.1143.56337.32360.896
Paired17.09163.8212.18633.99364.914

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

Compared with a random opponent, this matchup shifts QTs from 59.47% by +4.27 points and 75s from 43.68% by -7.42 points.

QTs and 75s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QTs, all flops63.74359.468+4.2751.07189
QTs, rainbow, ten or higher71.06459.468+11.5961.19500
QTs, rainbow, nine or lower38.01059.468-21.4580.63917
QTs, two-tone63.25959.468+3.7911.06375
QTs, monotone60.89659.468+1.4281.02401
QTs, paired64.91459.468+5.4461.09158
75s, all flops36.25743.676-7.4190.83014
75s, rainbow, ten or higher28.93643.676-14.7400.66251
75s, rainbow, nine or lower61.99043.676+18.3141.41931
75s, two-tone36.74143.676-6.9350.84122
75s, monotone39.10443.676-4.5720.89532
75s, paired35.08643.676-8.5900.80332

Does a shared suit matter?

Suit overlap shows up in the numbers. With a suit in common QTs has 66.14% equity, and with none in common it has 62.95%. QTs does better with a shared suit, by 3.19 points.

QTs against 75s by suit overlap, in percent
DealsSpecific dealsShare of dealsQTs winsTies75s winsQTs equity
Share a suit425.0065.6211.02933.35066.136
No shared suit1275.0062.4980.89336.60962.945

How often this matchup comes up

Counting specific cards, QTs against 75s appears in 16 of the 1,624,350 ordered heads-up deals (0.0010%), and in 32 when the seats are swapped too (0.0020%).

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. QTs averages $127.48 from the $200, up $27.48; 75s averages $72.52, down $27.48.

Think in thousands: about 633 of 1,000 go to QTs, about 358 go to 75s, and about 9 are chopped.

The same matchup from the other side

Read it from the other side: 75s against QTs is the same matchup with the numbers swapped, so 75s holds 36.26% and QTs holds 63.74%. That address sends you back to this page.

Try QsTs against 7h5h in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking.

How this was computed

Each figure is a complete count over boards. Take the 16 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops.

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

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