77 vs 66 equity
Preflop, 77 beats 66 with exact equity 81.64% vs 18.36%: 77 wins 80.97%, 66 wins 17.69%, ties 1.34%. Computed by exhaustively enumerating all 10,273,824 deals.
| 77 Win | 80.97% |
|---|---|
| 66 Win | 17.69% |
| Tie | 1.34% |
| 77 Equity (win + tie/2) | 81.64% |
| 66 Equity (win + tie/2) | 18.36% |
| Boards enumerated | 10,273,824 |
| Suit combinations | 6 |
| Losing frequency | 77 loses 1 in 5.7 |
Note: class-average values. Specific suit combinations (e.g. shared suits) shift the numbers by a few tenths of a percent.
FAQ
Who wins more often, 77 or 66?
77 is ahead: 77 has 81.64% equity vs 18.36% (exact enumeration).
How often do 77 vs 66 tie?
Ties occur 1.34% of the time (137,418 of 10,273,824 outcomes).
Are these numbers simulated?
No. All 10,273,824 board combinations are exhaustively enumerated — mathematically exact and reproducible.
Related
Figures from app/data/matchup-matrix (exhaustive engine scripts/gen-matchup-matrix.mjs, cross-validated against lib/poker-equity.ts)
Cite this page: Pailiku, “77 vs 66 equity”, pailiku.com/matchups/77-vs-66 (2026).