AQo vs K9o: preflop equity

The exact count puts AQo at 63.82% and K9o at 36.18% when the two hands see all five board cards.

AQo

63.82%

Wins 63.60%, ties 0.45%

K9o

36.18%

Wins 35.95%, ties 0.45%

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

AQo against K9o: the numbers

Exact preflop results for AQo against K9o, in percent
HandWinsTiesLosesEquity
AQo63.5960.44735.95763.820
K9o35.9570.44763.59636.180

This is a contest between two offsuit hands, AQo and K9o. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

The lead is steady rather than large, and the flop still has plenty of say in who wins. A split pot comes up on 0.45% of boards, so the wins and the equity differ by half of that.

AQo ranks number 14 of 169 starting hands, and K9o ranks number 40, by equity against a random hand.

Boards behind the percentages: 246,571,776 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AQo156,810,0001,102,00088,660,000
K9o88,660,0001,102,000156,810,000

144 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand.

AQo against K9o read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AQo1.7641.5722.7810.567
K9o0.5672.7811.5721.764

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

By flop texture, AQo's equity runs from 58.24% on low rainbow flops (nine high or lower) up to 67.05% on paired flops. AQo stays ahead on all five textures.

AQo against K9o by flop texture, in percent
FlopShare of flopsAQo winsTiesK9o winsAQo equity
Rainbow, ten or higher24.11064.8100.12335.06764.872
Rainbow, nine or lower7.04257.7031.06741.23058.236
Two-tone46.60663.0310.32236.64763.192
Monotone5.15160.6531.70637.64161.506
Paired17.09166.7440.60832.64867.048

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

Relative to a random opponent, AQo changes by -0.61 points (baseline 64.43%) and K9o by -21.63 points (baseline 57.81%).

AQo and K9o here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AQo, all flops63.82064.432-0.6120.99050
AQo, rainbow, ten or higher64.87264.432+0.4401.00683
AQo, rainbow, nine or lower58.23664.432-6.1960.90384
AQo, two-tone63.19264.432-1.2400.98075
AQo, monotone61.50664.432-2.9260.95459
AQo, paired67.04864.432+2.6161.04060
K9o, all flops36.18057.812-21.6320.62582
K9o, rainbow, ten or higher35.12857.812-22.6840.60762
K9o, rainbow, nine or lower41.76457.812-16.0480.72241
K9o, two-tone36.80857.812-21.0040.63668
K9o, monotone38.49457.812-19.3180.66585
K9o, paired32.95257.812-24.8600.56999

Does a shared suit matter?

Does suit overlap move the numbers? AQo has 63.89% when the hands share a suit and 63.49% when they do not. AQo does better with a shared suit, by 0.40 points.

AQo against K9o by suit overlap, in percent
DealsSpecific dealsShare of dealsAQo winsTiesK9o winsAQo equity
Share a suit12083.3363.6550.46335.88263.887
No shared suit2416.6763.3010.36836.33163.485

How often this matchup comes up

This page stands for 144 specific-card matchups (0.0089% of 1,624,350 ordered deals), or 288 once you count the seats both ways (0.0177%).

A worked example

Take a $200 pot built from $100 each. AQo's equity of 63.82% is worth $127.64, a $27.64 edge, and K9o's 36.18% is worth $72.36, which is $27.64 under its stake.

Over a long run, 1,000 deals split into about 636 for AQo, 360 for K9o and 4 tied.

The same matchup from the other side

K9o versus AQo is this same page seen from the other hand: 36.18% for K9o, 63.82% for AQo.

AsQh against Kd9c 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

Each figure is a complete count over boards. Take the 144 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops.

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

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