KJo vs 65s: preflop equity

Averaged over every possible board, KJo is ahead of 65s by 18.68 points of equity, 59.34% to 40.66%.

KJo

59.34%

Wins 59.01%, ties 0.67%

65s

40.66%

Wins 40.32%, ties 0.67%

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

KJo against 65s: the numbers

Exact preflop results for KJo against 65s, in percent
HandWinsTiesLosesEquity
KJo59.0080.66940.32359.343
65s40.3230.66959.00840.657

One side is an offsuit hand, the other is a suited hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

A 18.68 point lead is real, and 65s still takes about 403 of every 1,000 deals outright. The tie share is 0.67%: on those boards the pot is chopped and neither hand wins outright.

In the ranking of all 169 starting hands, KJo is number 26 and 65s is number 128.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KJo48,499,000550,00033,142,000
65s33,142,000550,00048,499,000

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.

KJo against 65s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KJo1.4601.6952.4800.685
65s0.6852.4801.6951.460

The final column gives the least the pot must offer for each unit called for a call to break even at this equity.

Who is ahead on which flops

Rainbow flops topped by a ten or better are the best for KJo (68.17%); low rainbow flops (nine high or lower) are the worst (30.46%). 65s takes over on low rainbow flops (nine high or lower), so the favorite before the flop is the underdog on those boards.

KJo against 65s by flop texture, in percent
FlopShare of flopsKJo winsTies65s winsKJo equity
Rainbow, ten or higher24.71768.0230.29131.68668.169
Rainbow, nine or lower6.31330.0610.79169.14830.457
Two-tone46.66757.5700.37442.05657.757
Monotone5.21256.5802.49040.93057.825
Paired17.09161.3331.41937.24862.043

Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank.

Compared with a random hand

Each hand has a baseline against a random hand: 60.57% for KJo, 43.13% for 65s. Here the change is -1.23 and -2.47 points.

KJo and 65s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KJo, all flops59.34360.569-1.2260.97976
KJo, rainbow, ten or higher68.16960.569+7.6001.12548
KJo, rainbow, nine or lower30.45760.569-30.1120.50285
KJo, two-tone57.75760.569-2.8120.95357
KJo, monotone57.82560.569-2.7440.95470
KJo, paired62.04360.569+1.4741.02434
65s, all flops40.65743.133-2.4760.94260
65s, rainbow, ten or higher31.83143.133-11.3020.73797
65s, rainbow, nine or lower69.54343.133+26.4101.61229
65s, two-tone42.24343.133-0.8900.97937
65s, monotone42.17543.133-0.9580.97779
65s, paired37.95743.133-5.1760.88000

Does a shared suit matter?

Does suit overlap move the numbers? KJo has 60.04% when the hands share a suit and 58.65% when they do not. KJo does better with a shared suit, by 1.39 points.

KJo against 65s by suit overlap, in percent
DealsSpecific dealsShare of dealsKJo winsTies65s winsKJo equity
Share a suit2450.0059.6800.71039.61060.035
No shared suit2450.0058.3360.62741.03758.650

How often this matchup comes up

The class pair covers 48 combinations of specific cards in a fixed seat order, 0.0030% of 1,624,350, and 96 (0.0059%) in either order.

A worked example

Take a $200 pot built from $100 each. KJo's equity of 59.34% is worth $118.68, a $18.68 edge, and 65s' 40.66% is worth $81.32, which is $18.68 under its stake.

Per 1,000 deals: KJo wins about 590, 65s wins about 403, and about 7 end in a split pot.

The same matchup from the other side

Swap the hands and you get 65s with 40.66% against KJo with 59.34%. We keep one page per matchup, with the better-ranked hand first.

KsJh against 6d5d is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength.

How this was computed

This is an exact count with no sampling. For the 48 ways to deal one KJo and one 65s 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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