99
66.91%
Wins 66.65%, ties 0.52%
T8s
33.09%
Wins 32.83%, ties 0.52%
99 against T8s: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| 99 | 66.645 | 0.524 | 32.831 | 66.907 |
| T8s | 32.831 | 0.524 | 66.645 | 33.093 |
99 is a pocket pair and T8s is a suited hand. The pair is ahead of one card and behind the other, so the board decides how that plays out.
A lead of 33.82 points is large but not decisive: T8s still takes about 328 of every 1,000 deals. A split pot comes up on 0.52% of boards, so the wins and the equity differ by half of that.
Place 6 of 169 belongs to 99 and place 73 belongs to T8s in the ranking against a random hand.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| 99 | 27,388,000 | 215,000 | 13,492,000 |
| T8s | 13,492,000 | 215,000 | 27,388,000 |
The board total is exact, 24 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| 99 | 2.022 | 1.500 | 3.046 | 0.495 |
| T8s | 0.495 | 3.046 | 1.500 | 2.022 |
In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity.
Who is ahead on which flops
Break the boards down by their first three cards and 99 is strongest on low rainbow flops (nine high or lower) (79.26%) and weakest on monotone flops (62.38%). 99 stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.
| Flop | Share of flops | 99 wins | Ties | T8s wins | 99 equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 25.220 | 65.612 | 0.288 | 34.100 | 65.756 |
| Rainbow, nine or lower | 5.689 | 78.971 | 0.581 | 20.448 | 79.262 |
| Two-tone | 46.545 | 64.912 | 0.321 | 34.767 | 65.072 |
| Monotone | 5.212 | 61.170 | 2.420 | 36.410 | 62.380 |
| Paired | 17.334 | 70.404 | 0.824 | 28.772 | 70.816 |
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
A random hand would give 99 72.06% and T8s 52.33%. Against each other the change is -5.15 points for 99 and -19.24 for T8s.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| 99, all flops | 66.907 | 72.057 | -5.150 | 0.92853 |
| 99, rainbow, ten or higher | 65.756 | 72.057 | -6.301 | 0.91256 |
| 99, rainbow, nine or lower | 79.262 | 72.057 | +7.205 | 1.09999 |
| 99, two-tone | 65.072 | 72.057 | -6.985 | 0.90306 |
| 99, monotone | 62.380 | 72.057 | -9.677 | 0.86570 |
| 99, paired | 70.816 | 72.057 | -1.241 | 0.98278 |
| T8s, all flops | 33.093 | 52.334 | -19.241 | 0.63234 |
| T8s, rainbow, ten or higher | 34.244 | 52.334 | -18.090 | 0.65434 |
| T8s, rainbow, nine or lower | 20.738 | 52.334 | -31.596 | 0.39626 |
| T8s, two-tone | 34.928 | 52.334 | -17.406 | 0.66741 |
| T8s, monotone | 37.620 | 52.334 | -14.714 | 0.71884 |
| T8s, paired | 29.184 | 52.334 | -23.150 | 0.55765 |
Does a shared suit matter?
Two kinds of deal exist here. In 12 of them the hands share a suit and 99 holds 67.12%. In 12 they do not, and it holds 66.69%. 99 does better with a shared suit, by 0.43 points.
| Deals | Specific deals | Share of deals | 99 wins | Ties | T8s wins | 99 equity |
|---|---|---|---|---|---|---|
| Share a suit | 12 | 50.00 | 66.839 | 0.565 | 32.596 | 67.122 |
| No shared suit | 12 | 50.00 | 66.451 | 0.484 | 33.065 | 66.693 |
How often this matchup comes up
Exactly 24 specific deals fit this matchup in one seat order, which is 0.0015% of 1,624,350; both orders together give 48, or 0.0030%.
A worked example
Take a $200 pot built from $100 each. 99's equity of 66.91% is worth $133.82, a $33.82 edge, and T8s' 33.09% is worth $66.18, which is $33.82 under its stake.
Think in thousands: about 667 of 1,000 go to 99, about 328 go to T8s, and about 5 are chopped.
The same matchup from the other side
T8s versus 99 is this same page seen from the other hand: 33.09% for T8s, 66.91% for 99.
Keep exploring
The calculator link fills in 9s9h against Td8d, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength.
How this was computed
The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 24 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
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