AJo vs 55 equity
Preflop, AJo beats 55 with exact equity 46.08% vs 53.92%: AJo wins 45.87%, 55 wins 53.70%, ties 0.43%. Computed by exhaustively enumerating all 10,273,824 deals.
| AJo Win | 45.87% |
|---|---|
| 55 Win | 53.70% |
| Tie | 0.43% |
| AJo Equity (win + tie/2) | 46.08% |
| 55 Equity (win + tie/2) | 53.92% |
| Boards enumerated | 10,273,824 |
| Suit combinations | 6 |
| Losing frequency | AJo loses 1 in 1.9 |
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, AJo or 55?
55 is ahead: AJo has 46.08% equity vs 53.92% (exact enumeration).
How often do AJo vs 55 tie?
Ties occur 0.43% of the time (44,097 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, “AJo vs 55 equity”, pailiku.com/matchups/ajo-vs-55 (2026).