QTo vs 98s: preflop equity

Over all 1,712,304 boards that can follow this deal, QTo finishes with 61.20% of the pot and 98s with 38.80%.

QTo

61.20%

Wins 60.76%, ties 0.88%

98s

38.80%

Wins 38.36%, ties 0.88%

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

QTo against 98s: the numbers

Exact preflop results for QTo against 98s, in percent
HandWinsTiesLosesEquity
QTo60.7550.88038.36561.195
98s38.3650.88060.75538.805

We compare an offsuit hand with a suited hand. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

A 22.40 point lead is real, and 98s still takes about 384 of every 1,000 deals outright. The tie share is 0.88%: on those boards the pot is chopped and neither hand wins outright.

By strength against a random hand, QTo holds place 47 of 169 and 98s holds place 83.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QTo49,935,000723,00031,532,000
98s31,532,000723,00049,935,000

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.

QTo against 98s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QTo1.5771.6462.6070.634
98s0.6342.6071.6461.577

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 QTo is strongest on rainbow flops topped by a ten or better (68.36%) and weakest on low rainbow flops (nine high or lower) (39.99%). Watch for low rainbow flops (nine high or lower): on those flops 98s holds the better equity.

QTo against 98s by flop texture, in percent
FlopShare of flopsQTo winsTies98s winsQTo equity
Rainbow, ten or higher24.71768.1250.47131.40468.361
Rainbow, nine or lower6.31339.7200.53059.75039.985
Two-tone46.66759.5820.45339.96559.809
Monotone5.21258.1322.52039.34859.392
Paired17.09161.8662.27035.86463.001

A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank.

Compared with a random hand

Relative to a random opponent, QTo changes by +3.91 points (baseline 57.29%) and 98s by -12.00 points (baseline 50.80%).

QTo and 98s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QTo, all flops61.19557.291+3.9041.06814
QTo, rainbow, ten or higher68.36157.291+11.0701.19322
QTo, rainbow, nine or lower39.98557.291-17.3060.69793
QTo, two-tone59.80957.291+2.5181.04395
QTo, monotone59.39257.291+2.1011.03667
QTo, paired63.00157.291+5.7101.09967
98s, all flops38.80550.801-11.9960.76386
98s, rainbow, ten or higher31.63950.801-19.1620.62280
98s, rainbow, nine or lower60.01550.801+9.2141.18137
98s, two-tone40.19150.801-10.6100.79115
98s, monotone40.60850.801-10.1930.79935
98s, paired36.99950.801-13.8020.72831

Does a shared suit matter?

Suit overlap shows up in the numbers. With a suit in common QTo has 61.86% equity, and with none in common it has 60.53%. QTo does better with a shared suit, by 1.33 points.

QTo against 98s by suit overlap, in percent
DealsSpecific dealsShare of dealsQTo winsTies98s winsQTo equity
Share a suit2450.0061.4030.92237.67561.864
No shared suit2450.0060.1060.83939.05560.526

How often this matchup comes up

This page stands for 48 specific-card matchups (0.0030% of 1,624,350 ordered deals), or 96 once you count the seats both ways (0.0059%).

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. QTo averages $122.40 from the $200, up $22.40; 98s averages $77.60, down $22.40.

Out of 1,000 deals you should see around 607 outright wins for QTo, 384 for 98s, and 9 split pots.

The same matchup from the other side

98s versus QTo is this same page seen from the other hand: 38.80% for 98s, 61.20% for QTo.

Open the calculator with QsTh against 9d8d 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

We counted every case. Each suit pattern of the 48 specific QTo against 98s deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops.

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

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