T9o vs 43s: preflop equity

Counting every board, the equity split is 61.59% for T9o and 38.41% for 43s, so T9o leads by 23.18 points.

T9o

61.59%

Wins 60.70%, ties 1.78%

43s

38.41%

Wins 37.52%, ties 1.78%

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

T9o against 43s: the numbers

Exact preflop results for T9o against 43s, in percent
HandWinsTiesLosesEquity
T9o60.7021.78337.51561.593
43s37.5151.78360.70238.407

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.

T9o is ahead, but 43s is far from dead: it takes 375 of every 1,000 deals outright. A split pot comes up on 1.78% of boards, so the wins and the equity differ by half of that.

In the ranking of all 169 starting hands, T9o is number 78 and 43s is number 150.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
T9o49,891,0001,465,00030,834,000
43s30,834,0001,465,00049,891,000

48 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.

T9o against 43s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
T9o1.6041.6472.6660.624
43s0.6242.6661.6471.604

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

T9o prefers rainbow flops topped by a ten or better, where it holds 66.19%, and likes low rainbow flops (nine high or lower) least, where it holds 50.52%. T9o stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

T9o against 43s by flop texture, in percent
FlopShare of flopsT9o winsTies43s winsT9o equity
Rainbow, ten or higher25.34165.6101.16733.22366.193
Rainbow, nine or lower5.68950.2160.61349.17150.523
Two-tone46.66759.8541.00339.14360.355
Monotone5.21258.2693.06738.66459.803
Paired17.09159.9714.82435.20562.383

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

Each hand has a baseline against a random hand: 51.53% for T9o, 38.64% for 43s. Here the change is +10.06 and -0.23 points.

T9o and 43s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
T9o, all flops61.59351.532+10.0611.19524
T9o, rainbow, ten or higher66.19351.532+14.6611.28450
T9o, rainbow, nine or lower50.52351.532-1.0090.98042
T9o, two-tone60.35551.532+8.8231.17121
T9o, monotone59.80351.532+8.2711.16050
T9o, paired62.38351.532+10.8511.21057
43s, all flops38.40738.642-0.2350.99392
43s, rainbow, ten or higher33.80738.642-4.8350.87488
43s, rainbow, nine or lower49.47738.642+10.8351.28039
43s, two-tone39.64538.642+1.0031.02596
43s, monotone40.19738.642+1.5551.04024
43s, paired37.61738.642-1.0250.97347

Does a shared suit matter?

When the hands share a suit, T9o holds 62.32%; when they do not, it holds 60.87%. T9o does better with a shared suit, by 1.45 points.

T9o against 43s by suit overlap, in percent
DealsSpecific dealsShare of dealsT9o winsTies43s winsT9o equity
Share a suit2450.0061.4081.82336.76962.320
No shared suit2450.0059.9951.74338.26260.866

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

Say each player puts $100 in before the flop, making a $200 pot. On average T9o takes back $123.18 of it, which is $23.18 more than it put in, and 43s takes back $76.82, $23.18 less than it put in.

Think in thousands: about 607 of 1,000 go to T9o, about 375 go to 43s, and about 18 are chopped.

The same matchup from the other side

The mirror image, 43s against T9o, is 38.41% to 61.59%, and its address redirects to this page.

Try Ts9h against 4d3d 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

All 1,712,304 five-card boards are dealt for every suit pattern among the 48 specific deals of T9o against 43s, 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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