KJs vs 55 equity
Preflop, KJs beats 55 with exact equity 49.80% vs 50.20%: KJs wins 49.52%, 55 wins 49.91%, ties 0.57%. Computed by exhaustively enumerating all 10,273,824 deals.
| KJs Win | 49.52% |
|---|---|
| 55 Win | 49.91% |
| Tie | 0.57% |
| KJs Equity (win + tie/2) | 49.80% |
| 55 Equity (win + tie/2) | 50.20% |
| Boards enumerated | 10,273,824 |
| Suit combinations | 6 |
| Losing frequency | KJs loses 1 in 2.0 |
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, KJs or 55?
55 is ahead: KJs has 49.80% equity vs 50.20% (exact enumeration).
How often do KJs vs 55 tie?
Ties occur 0.57% of the time (58,119 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, “KJs vs 55 equity”, pailiku.com/matchups/kjs-vs-55 (2026).