KQs vs 33: preflop equity

Before any board card is dealt, KQs holds 50.60% equity against 33, which leaves 33 with 49.40%.

KQs

50.60%

Wins 50.21%, ties 0.78%

33

49.40%

Wins 49.01%, ties 0.78%

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

KQs against 33: the numbers

Exact preflop results for KQs against 33, in percent
HandWinsTiesLosesEquity
KQs50.2110.78449.00550.603
3349.0050.78450.21149.397

KQs, a suited hand, plays 33, a pocket pair. One hand holds a pair and the other holds two cards that both outrank it, which keeps the equity closer than most people expect.

With only 1.20 points between them, the board decides this matchup far more than the cards in hand. A split pot comes up on 0.78% of boards, so the wins and the equity differ by half of that.

For context, KQs sits at number 16 of 169 starting hands and 33 at number 66 when each is run against a random hand.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KQs20,634,000322,00020,139,000
3320,139,000322,00020,634,000

The board total is exact, 24 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

KQs against 33 read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KQs1.0241.9922.0410.976
330.9762.0411.9921.024

The last column is the smallest pot odds, written as a pot-to-call ratio, at which a call breaks even with this equity.

Who is ahead on which flops

If you know the kind of flop that came, the numbers shift: KQs holds 56.29% on rainbow flops topped by a ten or better and 23.40% on low rainbow flops (nine high or lower). The lead reverses on low rainbow flops (nine high or lower) and paired flops: there 33 is the favorite even though KQs is ahead overall.

KQs against 33 by flop texture, in percent
FlopShare of flopsKQs winsTies33 winsKQs equity
Rainbow, ten or higher24.59556.1320.31143.55756.287
Rainbow, nine or lower6.31422.7931.21975.98823.402
Two-tone46.54551.4360.45948.10551.666
Monotone5.21248.7893.27147.94050.424
Paired17.33448.9321.42249.64649.643

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

How much does the opponent matter? Compared with its random-hand 63.40%, KQs changes by -12.80 points, and 33, from 53.69%, by -4.29.

KQs and 33 here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KQs, all flops50.60363.400-12.7970.79815
KQs, rainbow, ten or higher56.28763.400-7.1130.88781
KQs, rainbow, nine or lower23.40263.400-39.9980.36912
KQs, two-tone51.66663.400-11.7340.81492
KQs, monotone50.42463.400-12.9760.79533
KQs, paired49.64363.400-13.7570.78301
33, all flops49.39753.693-4.2960.91999
33, rainbow, ten or higher43.71353.693-9.9800.81413
33, rainbow, nine or lower76.59853.693+22.9051.42659
33, two-tone48.33453.693-5.3590.90019
33, monotone49.57653.693-4.1170.92332
33, paired50.35753.693-3.3360.93787

Does a shared suit matter?

The suit split reads 50.43% for KQs with a shared suit and 50.78% without one. KQs does better with no shared suit, by 0.35 points.

KQs against 33 by suit overlap, in percent
DealsSpecific dealsShare of dealsKQs winsTies33 winsKQs equity
Share a suit1250.0050.0180.81549.16750.426
No shared suit1250.0050.4030.75348.84450.780

How often this matchup comes up

How often does it happen? 24 of the 1,624,350 ordered deals (0.0015%) are KQs against 33, and 48 (0.0030%) if either hand may sit in either seat.

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. KQs is worth $101.20 on average (+$1.20); 33 is worth $98.80 (-$1.20).

Run 1,000 deals and the tally comes out near 502 for KQs, 490 for 33 and 8 ties.

The same matchup from the other side

The mirror image, 33 against KQs, is 49.40% to 50.60%, and its address redirects to this page.

The calculator link fills in KsQs against 3h3d, 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

The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 24 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows.

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

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