AQo vs T9s: preflop equity

The exact count puts AQo at 59.68% and T9s at 40.32% when the two hands see all five board cards.

AQo

59.68%

Wins 59.46%, ties 0.44%

T9s

40.32%

Wins 40.10%, ties 0.44%

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

AQo against T9s: the numbers

Exact preflop results for AQo against T9s, in percent
HandWinsTiesLosesEquity
AQo59.4630.44240.09559.684
T9s40.0950.44259.46340.316

We compare an offsuit hand with a suited hand. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

A 19.36 point lead is real, and T9s still takes about 401 of every 1,000 deals outright. Split pots make up 0.44% of the boards, and both equity figures count them as half a win each.

In the ranking of all 169 starting hands, AQo is number 14 and T9s is number 64.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AQo48,873,000363,00032,954,000
T9s32,954,000363,00048,873,000

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.

AQo against T9s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AQo1.4801.6822.4940.675
T9s0.6752.4941.6821.480

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

Split by what the flop looks like, AQo peaks at 63.48% on rainbow flops topped by a ten or better and bottoms out at 51.57% on low rainbow flops (nine high or lower). AQo stays ahead on all five textures.

AQo against T9s by flop texture, in percent
FlopShare of flopsAQo winsTiesT9s winsAQo equity
Rainbow, ten or higher23.98863.4090.14636.44563.482
Rainbow, nine or lower7.04251.1810.77048.04951.566
Two-tone46.66757.9170.26541.81858.049
Monotone5.21256.8462.36940.78558.030
Paired17.09162.3570.62037.02362.667

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

Relative to a random opponent, AQo changes by -4.75 points (baseline 64.43%) and T9s by -13.71 points (baseline 54.03%).

AQo and T9s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AQo, all flops59.68464.432-4.7480.92631
AQo, rainbow, ten or higher63.48264.432-0.9500.98526
AQo, rainbow, nine or lower51.56664.432-12.8660.80032
AQo, two-tone58.04964.432-6.3830.90093
AQo, monotone58.03064.432-6.4020.90064
AQo, paired62.66764.432-1.7650.97261
T9s, all flops40.31654.028-13.7120.74621
T9s, rainbow, ten or higher36.51854.028-17.5100.67591
T9s, rainbow, nine or lower48.43454.028-5.5940.89646
T9s, two-tone41.95154.028-12.0770.77647
T9s, monotone41.97054.028-12.0580.77682
T9s, paired37.33354.028-16.6950.69099

Does a shared suit matter?

Two kinds of deal exist here. In 24 of them the hands share a suit and AQo holds 60.35%. In 24 they do not, and it holds 59.02%. AQo does better with a shared suit, by 1.33 points.

AQo against T9s by suit overlap, in percent
DealsSpecific dealsShare of dealsAQo winsTiesT9s winsAQo equity
Share a suit2450.0060.1110.48339.40660.352
No shared suit2450.0058.8150.40240.78359.016

How often this matchup comes up

Counting specific cards, AQo against T9s appears in 48 of the 1,624,350 ordered heads-up deals (0.0030%), and in 96 when the seats are swapped too (0.0059%).

A worked example

A $100 all-in from each player makes a $200 pot, and the exact equity says AQo gets $119.36 of it on average and T9s gets $80.64.

Out of 1,000 deals you should see around 595 outright wins for AQo, 401 for T9s, and 4 split pots.

The same matchup from the other side

T9s versus AQo is this same page seen from the other hand: 40.32% for T9s, 59.68% for AQo.

AsQh against Td9d 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

The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 48 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it.

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

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