T9o vs 53s: preflop equity

Over all 1,712,304 boards that can follow this deal, T9o finishes with 61.55% of the pot and 53s with 38.45%.

T9o

61.55%

Wins 60.66%, ties 1.78%

53s

38.45%

Wins 37.56%, ties 1.78%

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

T9o against 53s: the numbers

Exact preflop results for T9o against 53s, in percent
HandWinsTiesLosesEquity
T9o60.6571.77937.56461.546
53s37.5641.77960.65738.454

T9o, an offsuit hand, plays 53s, a suited hand. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

The lead is steady rather than large, and the flop still has plenty of say in who wins. About 1.78% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.

The hand ranking puts T9o at 78 and 53s at 146 out of 169 starting hands.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
T9o49,854,0001,462,00030,874,000
53s30,874,0001,462,00049,854,000

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 53s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
T9o1.6011.6492.6620.625
53s0.6252.6621.6491.601

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

By flop texture, T9o's equity runs from 50.47% on low rainbow flops (nine high or lower) up to 66.18% on rainbow flops topped by a ten or better. 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 53s by flop texture, in percent
FlopShare of flopsT9o winsTies53s winsT9o equity
Rainbow, ten or higher25.34165.5951.16733.23866.178
Rainbow, nine or lower5.68950.1660.61449.22050.473
Two-tone46.66759.8331.00239.16560.334
Monotone5.21258.2423.00638.75259.745
Paired17.09159.8164.82035.36462.226

A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank.

Compared with a random hand

The table below sets each hand against its own random-hand baseline: a change of +10.02 points for T9o, from 51.53%, and -1.24 for 53s, from 39.69%.

T9o and 53s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
T9o, all flops61.54651.532+10.0141.19433
T9o, rainbow, ten or higher66.17851.532+14.6461.28421
T9o, rainbow, nine or lower50.47351.532-1.0590.97945
T9o, two-tone60.33451.532+8.8021.17081
T9o, monotone59.74551.532+8.2131.15938
T9o, paired62.22651.532+10.6941.20752
53s, all flops38.45439.693-1.2390.96879
53s, rainbow, ten or higher33.82239.693-5.8710.85209
53s, rainbow, nine or lower49.52739.693+9.8341.24775
53s, two-tone39.66639.693-0.0270.99932
53s, monotone40.25539.693+0.5621.01416
53s, paired37.77439.693-1.9190.95165

Does a shared suit matter?

Does suit overlap move the numbers? T9o has 62.27% when the hands share a suit and 60.82% when they do not. T9o does better with a shared suit, by 1.45 points.

T9o against 53s by suit overlap, in percent
DealsSpecific dealsShare of dealsT9o winsTies53s winsT9o equity
Share a suit2450.0061.3631.82236.81562.274
No shared suit2450.0059.9511.73538.31460.819

How often this matchup comes up

The class pair covers 48 combinations of specific cards in a fixed seat order, 0.0030% of 1,624,350, and 96 (0.0059%) in either order.

A worked example

Say each player puts $100 in before the flop, making a $200 pot. On average T9o takes back $123.10 of it, which is $23.10 more than it put in, and 53s takes back $76.90, $23.10 less than it put in.

Scaled to 1,000 deals, that is roughly 606 wins for T9o, 376 for 53s and 18 chopped pots.

The same matchup from the other side

One page covers both views. From 53s' side the equity is 38.45%, and from T9o's side it is 61.55%.

Ts9h against 5d3d 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 48 specific deals of T9o against 53s, 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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