JJ vs 55 equity
Preflop, JJ beats 55 with exact equity 80.54% vs 19.46%: JJ wins 80.33%, 55 wins 19.25%, ties 0.42%. Computed by exhaustively enumerating all 10,273,824 deals.
| JJ Win | 80.33% |
|---|---|
| 55 Win | 19.25% |
| Tie | 0.42% |
| JJ Equity (win + tie/2) | 80.54% |
| 55 Equity (win + tie/2) | 19.46% |
| Boards enumerated | 10,273,824 |
| Suit combinations | 6 |
| Losing frequency | JJ loses 1 in 5.2 |
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, JJ or 55?
JJ is ahead: JJ has 80.54% equity vs 19.46% (exact enumeration).
How often do JJ vs 55 tie?
Ties occur 0.42% of the time (42,870 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, “JJ vs 55 equity”, pailiku.com/matchups/jj-vs-55 (2026).