QTo vs 64s: preflop equity

Counting every board, the equity split is 61.00% for QTo and 39.00% for 64s, so QTo leads by 22.00 points.

QTo

61.00%

Wins 60.55%, ties 0.90%

64s

39.00%

Wins 38.55%, ties 0.90%

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

QTo against 64s: the numbers

Exact preflop results for QTo against 64s, in percent
HandWinsTiesLosesEquity
QTo60.5480.89538.55760.995
64s38.5570.89560.54839.005

QTo and 64s are an offsuit hand and a suited hand, in that order. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

A 22.00 point lead is real, and 64s still takes about 386 of every 1,000 deals outright. Ties are 0.90% of the outcomes here; each tied board gives both hands half the pot.

Ranked by equity against a random hand, QTo is number 47 of the 169 starting hands and 64s is number 138.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QTo49,765,000736,00031,690,000
64s31,690,000736,00049,765,000

The board total is exact, 48 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

QTo against 64s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QTo1.5641.6522.5940.639
64s0.6392.5941.6521.564

The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call.

Who is ahead on which flops

QTo prefers rainbow flops topped by a ten or better, where it holds 69.42%, and likes low rainbow flops (nine high or lower) least, where it holds 35.12%. The lead reverses on low rainbow flops (nine high or lower): there 64s is the favorite even though QTo is ahead overall.

QTo against 64s by flop texture, in percent
FlopShare of flopsQTo winsTies64s winsQTo equity
Rainbow, ten or higher24.71769.1920.45530.35369.420
Rainbow, nine or lower6.31334.7950.65264.55335.121
Two-tone46.66759.3200.47040.21059.555
Monotone5.21257.8852.56939.54659.169
Paired17.09161.7252.27136.00462.861

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

Each hand has a baseline against a random hand: 57.29% for QTo, 41.33% for 64s. Here the change is +3.71 and -2.33 points.

QTo and 64s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QTo, all flops60.99557.291+3.7041.06465
QTo, rainbow, ten or higher69.42057.291+12.1291.21171
QTo, rainbow, nine or lower35.12157.291-22.1700.61303
QTo, two-tone59.55557.291+2.2641.03952
QTo, monotone59.16957.291+1.8781.03278
QTo, paired62.86157.291+5.5701.09722
64s, all flops39.00541.333-2.3280.94368
64s, rainbow, ten or higher30.58041.333-10.7530.73984
64s, rainbow, nine or lower64.87941.333+23.5461.56967
64s, two-tone40.44541.333-0.8880.97852
64s, monotone40.83141.333-0.5020.98785
64s, paired37.13941.333-4.1940.89853

Does a shared suit matter?

Split by suits, the deals give QTo 61.71% when the hands overlap in a suit and 60.28% when they do not. QTo does better with a shared suit, by 1.43 points.

QTo against 64s by suit overlap, in percent
DealsSpecific dealsShare of dealsQTo winsTies64s winsQTo equity
Share a suit2450.0061.2430.93737.82061.711
No shared suit2450.0059.8530.85339.29460.279

How often this matchup comes up

How often does it happen? 48 of the 1,624,350 ordered deals (0.0030%) are QTo against 64s, and 96 (0.0059%) if either hand may sit in either seat.

A worked example

Worked example: both players commit $100, so $200 sits in the middle. Over every board, QTo's average share is $122.00 (a gain of $22.00) and 64s' is $78.00 (a loss of $22.00).

Think in thousands: about 605 of 1,000 go to QTo, about 386 go to 64s, and about 9 are chopped.

The same matchup from the other side

Swap the hands and you get 64s with 39.00% against QTo with 61.00%. We keep one page per matchup, with the better-ranked hand first.

The calculator link fills in QsTh against 6d4d, 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

This is an exact count with no sampling. For the 48 ways to deal one QTo and one 64s without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops.

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

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