AQs vs 65s: preflop equity

Before any board card is dealt, AQs holds 61.18% equity against 65s, which leaves 65s with 38.82%.

AQs

61.18%

Wins 60.92%, ties 0.51%

65s

38.82%

Wins 38.57%, ties 0.51%

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

AQs against 65s: the numbers

Exact preflop results for AQs against 65s, in percent
HandWinsTiesLosesEquity
AQs60.9230.50738.57061.176
65s38.5700.50760.92338.824

Both hands are suited hands: AQs and 65s. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

That is a modest edge, the kind that shows up over many hands and is easy to miss in one. The tie share is 0.51%: on those boards the pot is chopped and neither hand wins outright.

Ranked by equity against a random hand, AQs is number 10 of the 169 starting hands and 65s is number 128.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AQs16,691,000139,00010,567,000
65s10,567,000139,00016,691,000

16 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.

AQs against 65s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AQs1.5761.6412.5930.635
65s0.6352.5931.6411.576

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

Rainbow flops topped by a ten or better are the best for AQs (68.48%); low rainbow flops (nine high or lower) are the worst (32.12%). Watch for low rainbow flops (nine high or lower): on those flops 65s holds the better equity.

AQs against 65s by flop texture, in percent
FlopShare of flopsAQs winsTies65s winsAQs equity
Rainbow, ten or higher24.59568.4010.14931.45068.476
Rainbow, nine or lower6.31431.7060.82867.46632.120
Two-tone46.72760.2550.26439.48160.387
Monotone5.27357.0193.46639.51558.752
Paired17.09163.9840.65335.36364.311

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

Against one random hand instead, AQs holds 66.21% and 65s holds 43.13%. Facing each other changes that by -5.03 points for AQs and -4.31 points for 65s.

AQs and 65s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AQs, all flops61.17666.209-5.0330.92398
AQs, rainbow, ten or higher68.47666.209+2.2671.03424
AQs, rainbow, nine or lower32.12066.209-34.0890.48513
AQs, two-tone60.38766.209-5.8220.91207
AQs, monotone58.75266.209-7.4570.88737
AQs, paired64.31166.209-1.8980.97133
65s, all flops38.82443.133-4.3090.90010
65s, rainbow, ten or higher31.52443.133-11.6090.73086
65s, rainbow, nine or lower67.88043.133+24.7471.57374
65s, two-tone39.61343.133-3.5200.91839
65s, monotone41.24843.133-1.8850.95630
65s, paired35.68943.133-7.4440.82742

Does a shared suit matter?

When the hands share a suit, AQs holds 63.27%; when they do not, it holds 60.48%. AQs does better with a shared suit, by 2.79 points.

AQs against 65s by suit overlap, in percent
DealsSpecific dealsShare of dealsAQs winsTies65s winsAQs equity
Share a suit425.0062.9790.58736.43463.273
No shared suit1275.0060.2370.48039.28360.477

How often this matchup comes up

Exactly 16 specific deals fit this matchup in one seat order, which is 0.0010% of 1,624,350; both orders together give 32, or 0.0020%.

A worked example

A $100 all-in from each player makes a $200 pot, and the exact equity says AQs gets $122.36 of it on average and 65s gets $77.64.

Over a long run, 1,000 deals split into about 609 for AQs, 386 for 65s and 5 tied.

The same matchup from the other side

65s against AQs adds nothing new: it is 38.82% for 65s and 61.18% for AQs, the same figures reversed.

AsQs against 6h5h 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

All 1,712,304 five-card boards are dealt for every suit pattern among the 16 specific deals of AQs against 65s, and both hands are scored on each. That is a full count, so the percentages are exact. Ties are half a win each, and each board appears once per flop it contains.

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

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