QTs vs 43s: preflop equity

Before any board card is dealt, QTs holds 63.74% equity against 43s, which leaves 43s with 36.26%.

QTs

63.74%

Wins 63.25%, ties 0.97%

43s

36.26%

Wins 35.78%, ties 0.97%

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

QTs against 43s: the numbers

Exact preflop results for QTs against 43s, in percent
HandWinsTiesLosesEquity
QTs63.2510.97035.77963.736
43s35.7790.97063.25136.264

Both hands are suited hands: QTs and 43s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

QTs is ahead, but 43s is far from dead: it takes 358 of every 1,000 deals outright. The tie share is 0.97%: on those boards the pot is chopped and neither hand wins outright.

The hand ranking puts QTs at 34 and 43s at 150 out of 169 starting hands.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QTs17,329,000266,0009,802,000
43s9,802,000266,00017,329,000

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 43s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QTs1.7581.5812.7950.569
43s0.5692.7951.5811.758

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

Break the boards down by their first three cards and QTs is strongest on rainbow flops topped by a ten or better (70.45%) and weakest on low rainbow flops (nine high or lower) (39.69%). 43s takes over on low rainbow flops (nine high or lower), so the favorite before the flop is the underdog on those boards.

QTs against 43s by flop texture, in percent
FlopShare of flopsQTs winsTies43s winsQTs equity
Rainbow, ten or higher24.59570.2140.47429.31270.451
Rainbow, nine or lower6.31439.3000.78659.91439.693
Two-tone46.72762.8840.49636.62063.132
Monotone5.27358.9953.77137.23460.881
Paired17.09164.3942.18033.42665.484

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

The table below sets each hand against its own random-hand baseline: a change of +4.27 points for QTs, from 59.47%, and -2.38 for 43s, from 38.64%.

QTs and 43s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QTs, all flops63.73659.468+4.2681.07177
QTs, rainbow, ten or higher70.45159.468+10.9831.18469
QTs, rainbow, nine or lower39.69359.468-19.7750.66747
QTs, two-tone63.13259.468+3.6641.06161
QTs, monotone60.88159.468+1.4131.02376
QTs, paired65.48459.468+6.0161.10116
43s, all flops36.26438.642-2.3780.93846
43s, rainbow, ten or higher29.54938.642-9.0930.76469
43s, rainbow, nine or lower60.30738.642+21.6651.56066
43s, two-tone36.86838.642-1.7740.95409
43s, monotone39.11938.642+0.4771.01234
43s, paired34.51638.642-4.1260.89322

Does a shared suit matter?

Suit overlap shows up in the numbers. With a suit in common QTs has 66.12% equity, and with none in common it has 62.94%. QTs does better with a shared suit, by 3.18 points.

QTs against 43s by suit overlap, in percent
DealsSpecific dealsShare of dealsQTs winsTies43s winsQTs equity
Share a suit425.0065.5831.06633.35166.116
No shared suit1275.0062.4730.93836.58962.942

How often this matchup comes up

You will meet this exact matchup 0.0020% of the time in a random heads-up deal: 32 of 1,624,350, counting either seat order.

A worked example

With $100 from each side, the $200 pot is split on average as $127.48 for QTs and $72.52 for 43s; the first side gains $27.48 per all-in and the second gives up $27.48.

In 1,000 deals of exactly this matchup, expect about 632 won outright by QTs, about 358 won outright by 43s and about 10 split.

The same matchup from the other side

The reversed view, 43s against QTs, shows 36.26% for 43s and 63.74% for QTs. It is the same count, so it redirects here.

Open the calculator with QsTs against 4h3h 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

The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 16 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it.

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

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