77
81.64%
Wins 80.97%, ties 1.34%
66
18.36%
Wins 17.69%, ties 1.34%
77 against 66: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| 77 | 80.973 | 1.338 | 17.689 | 81.642 |
| 66 | 17.689 | 1.338 | 80.973 | 18.358 |
Two pocket pairs meet here: 77 against 66. A pair against a smaller pair is the classic crush: the smaller pair needs one of its two remaining cards to make a set.
This is one of the lopsided matchups: 66 wins only 17.69% of the boards outright. A split pot comes up on 1.34% of boards, so the wins and the equity differ by half of that.
By strength against a random hand, 77 holds place 9 of 169 and 66 holds place 17.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| 77 | 49,914,000 | 825,000 | 10,904,000 |
| 66 | 10,904,000 | 825,000 | 49,914,000 |
The board total is exact, 36 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) |
|---|---|---|---|---|
| 77 | 4.447 | 1.235 | 5.653 | 0.225 |
| 66 | 0.225 | 5.653 | 1.235 | 4.447 |
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
77 prefers paired flops, where it holds 85.26%, and likes low rainbow flops (nine high or lower) least, where it holds 74.05%. 77 stays ahead on all five textures.
| Flop | Share of flops | 77 wins | Ties | 66 wins | 77 equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 25.844 | 82.619 | 0.825 | 16.556 | 83.032 |
| Rainbow, nine or lower | 5.065 | 73.852 | 0.399 | 25.749 | 74.051 |
| Two-tone | 46.363 | 80.569 | 0.742 | 18.689 | 80.940 |
| Monotone | 5.152 | 74.994 | 2.222 | 22.784 | 76.105 |
| Paired | 17.576 | 83.425 | 3.673 | 12.902 | 85.262 |
Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank.
Compared with a random hand
Each hand has a baseline against a random hand: 66.24% for 77, 63.29% for 66. Here the change is +15.40 and -44.93 points.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| 77, all flops | 81.642 | 66.236 | +15.406 | 1.23259 |
| 77, rainbow, ten or higher | 83.032 | 66.236 | +16.796 | 1.25358 |
| 77, rainbow, nine or lower | 74.051 | 66.236 | +7.815 | 1.11799 |
| 77, two-tone | 80.940 | 66.236 | +14.704 | 1.22199 |
| 77, monotone | 76.105 | 66.236 | +9.869 | 1.14900 |
| 77, paired | 85.262 | 66.236 | +19.026 | 1.28725 |
| 66, all flops | 18.358 | 63.285 | -44.927 | 0.29008 |
| 66, rainbow, ten or higher | 16.968 | 63.285 | -46.317 | 0.26812 |
| 66, rainbow, nine or lower | 25.949 | 63.285 | -37.336 | 0.41003 |
| 66, two-tone | 19.060 | 63.285 | -44.225 | 0.30118 |
| 66, monotone | 23.895 | 63.285 | -39.390 | 0.37758 |
| 66, paired | 14.738 | 63.285 | -48.547 | 0.23288 |
Does a shared suit matter?
When the hands share a suit, 77 holds 81.78%; when they do not, it holds 80.95%. 77 does better with a shared suit, by 0.83 points.
| Deals | Specific deals | Share of deals | 77 wins | Ties | 66 wins | 77 equity |
|---|---|---|---|---|---|---|
| Share a suit | 30 | 83.33 | 81.104 | 1.353 | 17.543 | 81.780 |
| No shared suit | 6 | 16.67 | 80.321 | 1.262 | 18.417 | 80.952 |
How often this matchup comes up
The class pair covers 36 combinations of specific cards in a fixed seat order, 0.0022% of 1,624,350, and 72 (0.0044%) in either order.
A worked example
Worked example: both players commit $100, so $200 sits in the middle. Over every board, 77's average share is $163.28 (a gain of $63.28) and 66's is $36.72 (a loss of $63.28).
Per 1,000 deals: 77 wins about 810, 66 wins about 177, and about 13 end in a split pot.
The same matchup from the other side
If you came looking for 66 against 77, the numbers are the same with the hands swapped: 18.36% and 81.64%.
Keep exploring
7s7h against 6d6c 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 page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 36 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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