33 vs T9o: preflop equity

The exact count puts T9o at 50.83% and 33 at 49.17% when the two hands see all five board cards.

33

49.17%

Wins 48.46%, ties 1.42%

T9o

50.83%

Wins 50.12%, ties 1.42%

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

33 against T9o: the numbers

Exact preflop results for 33 against T9o, in percent
HandWinsTiesLosesEquity
3348.4611.42050.11949.171
T9o50.1191.42048.46150.829

Here a pocket pair (33) meets an offsuit hand (T9o). This is a pair against two overcards, a matchup that stays close because the other hand only needs one of its ranks to appear.

T9o leads by less than 2 points of equity, so the result of any one deal is close to a toss-up. The tie share is 1.42%: on those boards the pot is chopped and neither hand wins outright.

Ranked by equity against a random hand, 33 is number 66 of the 169 starting hands and T9o is number 78.

Boards behind the percentages: 123,285,888 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
3359,746,0001,751,00061,790,000
T9o61,790,0001,751,00059,746,000

The total is exact: 72 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.

33 against T9o read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
330.9672.0641.9951.034
T9o1.0341.9952.0640.967

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

Break the boards down by their first three cards and T9o is strongest on monotone flops (52.91%) and weakest on low rainbow flops (nine high or lower) (44.82%). 33 takes over on low rainbow flops (nine high or lower) and paired flops, so the favorite before the flop is the underdog on those boards.

33 against T9o by flop texture, in percent
FlopShare of flops33 winsTiesT9o wins33 equity
Rainbow, ten or higher25.34146.9370.81952.24447.347
Rainbow, nine or lower5.68954.8890.58444.52755.181
Two-tone46.48548.2450.76350.99248.627
Monotone5.15145.7592.66351.57847.090
Paired17.33449.9633.96346.07451.944

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

How much does the opponent matter? Compared with its random-hand 53.69%, 33 changes by -4.52 points, and T9o, from 51.53%, by -0.70.

33 and T9o here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
33, all flops49.17153.693-4.5220.91578
33, rainbow, ten or higher47.34753.693-6.3460.88181
33, rainbow, nine or lower55.18153.693+1.4881.02771
33, two-tone48.62753.693-5.0660.90565
33, monotone47.09053.693-6.6030.87702
33, paired51.94453.693-1.7490.96743
T9o, all flops50.82951.532-0.7030.98636
T9o, rainbow, ten or higher52.65351.532+1.1211.02175
T9o, rainbow, nine or lower44.81951.532-6.7130.86973
T9o, two-tone51.37351.532-0.1590.99691
T9o, monotone52.91051.532+1.3781.02674
T9o, paired48.05651.532-3.4760.93255

Does a shared suit matter?

Looking only at deals where the hands share a suit, T9o has 50.92%; looking only at deals where they do not, 50.37%. T9o does better with a shared suit, by 0.55 points.

33 against T9o by suit overlap, in percent
DealsSpecific dealsShare of deals33 winsTiesT9o wins33 equity
Share a suit6083.3348.3641.43050.20649.079
No shared suit1216.6748.9491.36549.68649.632

How often this matchup comes up

Exactly 72 specific deals fit this matchup in one seat order, which is 0.0044% of 1,624,350; both orders together give 144, or 0.0089%.

A worked example

With $100 from each side, the $200 pot is split on average as $101.66 for T9o and $98.34 for 33; the first side gains $1.66 per all-in and the second gives up $1.66.

Out of 1,000 deals you should see around 501 outright wins for T9o, 485 for 33, and 14 split pots.

The same matchup from the other side

T9o against 33 adds nothing new: it is 50.83% for T9o and 49.17% for 33, the same figures reversed.

Try 3s3h against Td9c 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 72 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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