T9o vs 86s: preflop equity

Over all 1,712,304 boards that can follow this deal, T9o finishes with 62.85% of the pot and 86s with 37.15%.

T9o

62.85%

Wins 61.98%, ties 1.75%

86s

37.15%

Wins 36.27%, ties 1.75%

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

T9o against 86s: the numbers

Exact preflop results for T9o against 86s, in percent
HandWinsTiesLosesEquity
T9o61.9751.74936.27662.850
86s36.2761.74961.97537.150

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.

T9o is ahead, but 86s is far from dead: it takes 363 of every 1,000 deals outright. A split pot comes up on 1.75% of boards, so the wins and the equity differ by half of that.

Among the 169 starting hands, T9o is number 78 and 86s is number 110 by strength against a random hand.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
T9o50,938,0001,438,00029,815,000
86s29,815,0001,438,00050,938,000

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.

T9o against 86s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
T9o1.6921.6142.7570.591
86s0.5912.7571.6141.692

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, T9o's equity runs from 48.64% on low rainbow flops (nine high or lower) up to 68.27% on rainbow flops topped by a ten or better. Watch for low rainbow flops (nine high or lower): on those flops 86s holds the better equity.

T9o against 86s by flop texture, in percent
FlopShare of flopsT9o winsTies86s winsT9o equity
Rainbow, ten or higher25.34167.6921.14831.16068.266
Rainbow, nine or lower5.68948.4650.35151.18448.641
Two-tone46.66761.2800.94237.77861.751
Monotone5.21259.4372.89637.66760.885
Paired17.09160.6704.95634.37463.148

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, T9o changes by +11.32 points (baseline 51.53%) and 86s by -9.09 points (baseline 46.24%).

T9o and 86s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
T9o, all flops62.85051.532+11.3181.21963
T9o, rainbow, ten or higher68.26651.532+16.7341.32473
T9o, rainbow, nine or lower48.64151.532-2.8910.94390
T9o, two-tone61.75151.532+10.2191.19830
T9o, monotone60.88551.532+9.3531.18150
T9o, paired63.14851.532+11.6161.22541
86s, all flops37.15046.243-9.0930.80336
86s, rainbow, ten or higher31.73446.243-14.5090.68624
86s, rainbow, nine or lower51.35946.243+5.1161.11063
86s, two-tone38.24946.243-7.9940.82713
86s, monotone39.11546.243-7.1280.84586
86s, paired36.85246.243-9.3910.79692

Does a shared suit matter?

When the hands share a suit, T9o holds 63.56%; when they do not, it holds 62.14%. T9o does better with a shared suit, by 1.42 points.

T9o against 86s by suit overlap, in percent
DealsSpecific dealsShare of dealsT9o winsTies86s winsT9o equity
Share a suit2450.0062.6591.79335.54863.555
No shared suit2450.0061.2921.70437.00462.144

How often this matchup comes up

Exactly 48 specific deals fit this matchup in one seat order, which is 0.0030% of 1,624,350; both orders together give 96, or 0.0059%.

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. T9o is worth $125.70 on average (+$25.70); 86s is worth $74.30 (-$25.70).

Run 1,000 deals and the tally comes out near 620 for T9o, 363 for 86s and 17 ties.

The same matchup from the other side

86s versus T9o is this same page seen from the other hand: 37.15% for 86s, 62.85% for T9o.

Try Ts9h against 8d6d 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

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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