J9s
63.94%
Wins 63.29%, ties 1.30%
64s
36.06%
Wins 35.41%, ties 1.30%
J9s against 64s: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| J9s | 63.287 | 1.298 | 35.415 | 63.936 |
| 64s | 35.415 | 1.298 | 63.287 | 36.064 |
Both hands are suited hands: J9s and 64s. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.
J9s is ahead, but 64s is far from dead: it takes 354 of every 1,000 deals outright. The tie share is 1.30%: on those boards the pot is chopped and neither hand wins outright.
J9s ranks number 55 of 169 starting hands, and 64s ranks number 138, by equity against a random hand.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| J9s | 17,339,000 | 356,000 | 9,703,000 |
| 64s | 9,703,000 | 356,000 | 17,339,000 |
16 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.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| J9s | 1.773 | 1.580 | 2.824 | 0.564 |
| 64s | 0.564 | 2.824 | 1.580 | 1.773 |
The final column gives the least the pot must offer for each unit called for a call to break even at this equity.
Who is ahead on which flops
Rainbow flops topped by a ten or better are the best for J9s (68.42%); low rainbow flops (nine high or lower) are the worst (47.80%). 64s is ahead on low rainbow flops (nine high or lower), even though it trails J9s when every flop is counted.
| Flop | Share of flops | J9s wins | Ties | 64s wins | J9s equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 25.220 | 68.050 | 0.734 | 31.216 | 68.417 |
| Rainbow, nine or lower | 5.689 | 47.479 | 0.637 | 51.884 | 47.798 |
| Two-tone | 46.727 | 63.193 | 0.657 | 36.150 | 63.522 |
| Monotone | 5.273 | 59.240 | 3.721 | 37.039 | 61.100 |
| Paired | 17.091 | 63.023 | 3.355 | 33.622 | 64.700 |
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
Start from the random-hand figures, 55.66% for J9s and 41.33% for 64s. This opponent changes them by +8.28 and -5.27 points.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| J9s, all flops | 63.936 | 55.662 | +8.274 | 1.14865 |
| J9s, rainbow, ten or higher | 68.417 | 55.662 | +12.755 | 1.22915 |
| J9s, rainbow, nine or lower | 47.798 | 55.662 | -7.864 | 0.85872 |
| J9s, two-tone | 63.522 | 55.662 | +7.860 | 1.14121 |
| J9s, monotone | 61.100 | 55.662 | +5.438 | 1.09770 |
| J9s, paired | 64.700 | 55.662 | +9.038 | 1.16237 |
| 64s, all flops | 36.064 | 41.333 | -5.269 | 0.87252 |
| 64s, rainbow, ten or higher | 31.583 | 41.333 | -9.750 | 0.76411 |
| 64s, rainbow, nine or lower | 52.202 | 41.333 | +10.869 | 1.26296 |
| 64s, two-tone | 36.478 | 41.333 | -4.855 | 0.88254 |
| 64s, monotone | 38.900 | 41.333 | -2.433 | 0.94114 |
| 64s, paired | 35.300 | 41.333 | -6.033 | 0.85404 |
Does a shared suit matter?
Split by suits, the deals give J9s 66.35% when the hands overlap in a suit and 63.13% when they do not. J9s does better with a shared suit, by 3.22 points.
| Deals | Specific deals | Share of deals | J9s wins | Ties | 64s wins | J9s equity |
|---|---|---|---|---|---|---|
| Share a suit | 4 | 25.00 | 65.642 | 1.419 | 32.939 | 66.352 |
| No shared suit | 12 | 75.00 | 62.502 | 1.257 | 36.241 | 63.130 |
How often this matchup comes up
How often does it happen? 16 of the 1,624,350 ordered deals (0.0010%) are J9s against 64s, and 32 (0.0020%) if either hand may sit in either seat.
A worked example
Say each player puts $100 in before the flop, making a $200 pot. On average J9s takes back $127.88 of it, which is $27.88 more than it put in, and 64s takes back $72.12, $27.88 less than it put in.
Think in thousands: about 633 of 1,000 go to J9s, about 354 go to 64s, and about 13 are chopped.
The same matchup from the other side
The reversed view, 64s against J9s, shows 36.06% for 64s and 63.94% for J9s. It is the same count, so it redirects here.
Keep exploring
The calculator link fills in Js9s against 6h4h, 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
We counted every case. Each suit pattern of the 16 specific J9s against 64s deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
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