JJ
80.54%
Wins 80.33%, ties 0.42%
55
19.46%
Wins 19.25%, ties 0.42%
JJ against 55: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| JJ | 80.333 | 0.417 | 19.250 | 80.541 |
| 55 | 19.250 | 0.417 | 80.333 | 19.459 |
Each side holds one of the pocket pairs: JJ and 55. Both hands are pairs, so the bigger pair is ahead on every board that does not pair a card below it.
A gap this wide means 55 is in trouble before the flop and has few good runouts. About 0.42% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.
For context, JJ sits at number 4 of 169 starting hands and 55 at number 27 when each is run against a random hand.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| JJ | 49,520,000 | 257,000 | 11,866,000 |
| 55 | 11,866,000 | 257,000 | 49,520,000 |
Exact total: 36 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| JJ | 4.139 | 1.245 | 5.195 | 0.242 |
| 55 | 0.242 | 5.195 | 1.245 | 4.139 |
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
If you know the kind of flop that came, the numbers shift: JJ holds 86.38% on paired flops and 65.26% on low rainbow flops (nine high or lower). JJ 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 | JJ wins | Ties | 55 wins | JJ equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 24.595 | 83.562 | 0.220 | 16.218 | 83.672 |
| Rainbow, nine or lower | 6.314 | 64.859 | 0.799 | 34.342 | 65.258 |
| Two-tone | 46.363 | 79.196 | 0.327 | 20.477 | 79.360 |
| Monotone | 5.152 | 74.100 | 1.852 | 24.048 | 75.026 |
| Paired | 17.576 | 86.197 | 0.373 | 13.430 | 86.384 |
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
Against one random hand instead, JJ holds 77.47% and 55 holds 60.33%. Facing each other changes that by +3.07 points for JJ and -40.87 points for 55.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| JJ, all flops | 80.541 | 77.469 | +3.072 | 1.03965 |
| JJ, rainbow, ten or higher | 83.672 | 77.469 | +6.203 | 1.08007 |
| JJ, rainbow, nine or lower | 65.258 | 77.469 | -12.211 | 0.84238 |
| JJ, two-tone | 79.360 | 77.469 | +1.891 | 1.02441 |
| JJ, monotone | 75.026 | 77.469 | -2.443 | 0.96846 |
| JJ, paired | 86.384 | 77.469 | +8.915 | 1.11508 |
| 55, all flops | 19.459 | 60.325 | -40.866 | 0.32257 |
| 55, rainbow, ten or higher | 16.328 | 60.325 | -43.997 | 0.27067 |
| 55, rainbow, nine or lower | 34.742 | 60.325 | -25.583 | 0.57591 |
| 55, two-tone | 20.640 | 60.325 | -39.685 | 0.34215 |
| 55, monotone | 24.974 | 60.325 | -35.351 | 0.41399 |
| 55, paired | 13.616 | 60.325 | -46.709 | 0.22571 |
Does a shared suit matter?
The suit split reads 80.67% for JJ with a shared suit and 79.89% without one. JJ does better with a shared suit, by 0.78 points.
| Deals | Specific deals | Share of deals | JJ wins | Ties | 55 wins | JJ equity |
|---|---|---|---|---|---|---|
| Share a suit | 30 | 83.33 | 80.457 | 0.432 | 19.111 | 80.673 |
| No shared suit | 6 | 16.67 | 79.713 | 0.343 | 19.944 | 79.885 |
How often this matchup comes up
Out of 1,624,350 ways to deal two seats two cards each, 36 are JJ in one seat and 55 in the other (0.0022%); with the seats swapped too, 72 (0.0044%).
A worked example
To see what the equity is worth, imagine $100 each in a $200 pot. JJ is worth $161.08 on average (+$61.08); 55 is worth $38.92 (-$61.08).
Run 1,000 deals and the tally comes out near 803 for JJ, 193 for 55 and 4 ties.
The same matchup from the other side
Swap the hands and you get 55 with 19.46% against JJ with 80.54%. We keep one page per matchup, with the better-ranked hand first.
Keep exploring
JsJh against 5d5c 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
The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 36 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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