KJo vs 33: preflop equity

Averaged over every possible board, 33 is ahead of KJo by 3.04 points of equity, 51.52% to 48.48%.

KJo

48.48%

Wins 48.11%, ties 0.76%

33

51.52%

Wins 51.13%, ties 0.76%

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

KJo against 33: the numbers

Exact preflop results for KJo against 33, in percent
HandWinsTiesLosesEquity
KJo48.1050.75751.13848.483
3351.1380.75748.10551.517

One side is an offsuit hand, the other is 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.

This is close to even money, with 33 a little ahead. 0.76% of boards are ties, so the equity of each hand is its win rate plus half of that.

The hand ranking puts KJo at 26 and 33 at 66 out of 169 starting hands.

Boards behind the percentages: 123,285,888 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KJo59,307,000933,00063,046,000
3363,046,000933,00059,307,000

Exact total: 72 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.

KJo against 33 read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KJo0.9412.0791.9551.063
331.0631.9552.0790.941

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

33 prefers low rainbow flops (nine high or lower), where it holds 78.60%, and likes rainbow flops topped by a ten or better least, where it holds 44.76%. The overall edge for 33 hides rainbow flops topped by a ten or better and monotone flops, where KJo comes out in front.

KJo against 33 by flop texture, in percent
FlopShare of flopsKJo winsTies33 winsKJo equity
Rainbow, ten or higher24.71755.0730.33044.59755.238
Rainbow, nine or lower6.31420.8151.16378.02221.396
Two-tone46.48548.3750.48351.14248.617
Monotone5.15149.7502.36547.88550.933
Paired17.33346.8941.47551.63147.632

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

A random hand would give KJo 60.57% and 33 53.69%. Against each other the change is -12.09 points for KJo and -2.17 for 33.

KJo and 33 here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KJo, all flops48.48360.569-12.0860.80046
KJo, rainbow, ten or higher55.23860.569-5.3310.91198
KJo, rainbow, nine or lower21.39660.569-39.1730.35325
KJo, two-tone48.61760.569-11.9520.80267
KJo, monotone50.93360.569-9.6360.84091
KJo, paired47.63260.569-12.9370.78641
33, all flops51.51753.693-2.1760.95947
33, rainbow, ten or higher44.76253.693-8.9310.83367
33, rainbow, nine or lower78.60453.693+24.9111.46395
33, two-tone51.38353.693-2.3100.95698
33, monotone49.06753.693-4.6260.91384
33, paired52.36853.693-1.3250.97532

Does a shared suit matter?

Of the deals of this matchup, 60 share a suit (33 at 51.43%) and 12 do not (51.94%). 33 does better with no shared suit, by 0.51 points.

KJo against 33 by suit overlap, in percent
DealsSpecific dealsShare of dealsKJo winsTies33 winsKJo equity
Share a suit6083.3348.1840.76851.04848.568
No shared suit1216.6747.7100.70251.58848.061

How often this matchup comes up

The class pair covers 72 combinations of specific cards in a fixed seat order, 0.0044% of 1,624,350, and 144 (0.0089%) in either order.

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. 33 is worth $103.04 on average (+$3.04); KJo is worth $96.96 (-$3.04).

Scaled to 1,000 deals, that is roughly 511 wins for 33, 481 for KJo and 8 chopped pots.

The same matchup from the other side

One page covers both views. From 33's side the equity is 51.52%, and from KJo's side it is 48.48%.

Try KsJh against 3d3c 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

Nothing here is simulated. The 72 deals of KJo against 33 fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops.

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

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