66
81.01%
Wins 80.07%, ties 1.87%
54s
18.99%
Wins 18.06%, ties 1.87%
66 against 54s: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| 66 | 80.070 | 1.871 | 18.059 | 81.005 |
| 54s | 18.059 | 1.871 | 80.070 | 18.995 |
66 and 54s are a pocket pair and a suited hand, in that order. Here a pair faces two cards that are both smaller, so the other hand needs to pair up and still be behind.
66 is a big favorite here before anyone sees a flop. Ties are 1.87% of the outcomes here; each tied board gives both hands half the pot.
Place 17 of 169 belongs to 66 and place 136 belongs to 54s in the ranking against a random hand.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| 66 | 32,905,000 | 769,000 | 7,421,000 |
| 54s | 7,421,000 | 769,000 | 32,905,000 |
24 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) |
|---|---|---|---|---|
| 66 | 4.265 | 1.249 | 5.537 | 0.234 |
| 54s | 0.234 | 5.537 | 1.249 | 4.265 |
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
66 prefers rainbow flops topped by a ten or better, where it holds 84.60%, and likes monotone flops least, where it holds 75.26%. 66 stays ahead on all five textures.
| Flop | Share of flops | 66 wins | Ties | 54s wins | 66 equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 25.844 | 84.037 | 1.130 | 14.833 | 84.602 |
| Rainbow, nine or lower | 5.065 | 75.698 | 0.719 | 23.583 | 76.058 |
| Two-tone | 46.545 | 79.018 | 1.001 | 19.981 | 79.518 |
| Monotone | 5.212 | 73.704 | 3.115 | 23.181 | 75.262 |
| Paired | 17.334 | 80.173 | 5.271 | 14.556 | 82.808 |
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
How much does the opponent matter? Compared with its random-hand 63.29%, 66 changes by +17.72 points, and 54s, from 41.45%, by -22.46.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| 66, all flops | 81.005 | 63.285 | +17.720 | 1.28000 |
| 66, rainbow, ten or higher | 84.602 | 63.285 | +21.317 | 1.33684 |
| 66, rainbow, nine or lower | 76.058 | 63.285 | +12.773 | 1.20183 |
| 66, two-tone | 79.518 | 63.285 | +16.233 | 1.25651 |
| 66, monotone | 75.262 | 63.285 | +11.977 | 1.18925 |
| 66, paired | 82.808 | 63.285 | +19.523 | 1.30849 |
| 54s, all flops | 18.995 | 41.453 | -22.458 | 0.45823 |
| 54s, rainbow, ten or higher | 15.398 | 41.453 | -26.055 | 0.37146 |
| 54s, rainbow, nine or lower | 23.942 | 41.453 | -17.511 | 0.57757 |
| 54s, two-tone | 20.482 | 41.453 | -20.971 | 0.49410 |
| 54s, monotone | 24.738 | 41.453 | -16.715 | 0.59677 |
| 54s, paired | 17.192 | 41.453 | -24.261 | 0.41473 |
Does a shared suit matter?
Split by suits, the deals give 66 81.56% when the hands overlap in a suit and 80.45% when they do not. 66 does better with a shared suit, by 1.11 points.
| Deals | Specific deals | Share of deals | 66 wins | Ties | 54s wins | 66 equity |
|---|---|---|---|---|---|---|
| Share a suit | 12 | 50.00 | 80.605 | 1.910 | 17.485 | 81.560 |
| No shared suit | 12 | 50.00 | 79.535 | 1.831 | 18.634 | 80.451 |
How often this matchup comes up
The class pair covers 24 combinations of specific cards in a fixed seat order, 0.0015% of 1,624,350, and 48 (0.0030%) in either order.
A worked example
Take a $200 pot built from $100 each. 66's equity of 81.01% is worth $162.02, a $62.02 edge, and 54s' 18.99% is worth $37.98, which is $62.02 under its stake.
Think in thousands: about 801 of 1,000 go to 66, about 180 go to 54s, and about 19 are chopped.
The same matchup from the other side
The reversed view, 54s against 66, shows 18.99% for 54s and 81.01% for 66. It is the same count, so it redirects here.
Keep exploring
Try 6s6h against 5d4d 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
Nothing here is simulated. The 24 deals of 66 against 54s fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
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