KK vs 66 equity
Preflop, KK beats 66 with exact equity 80.49% vs 19.51%: KK wins 80.31%, 66 wins 19.33%, ties 0.35%. Computed by exhaustively enumerating all 10,273,824 deals.
| KK Win | 80.31% |
|---|---|
| 66 Win | 19.33% |
| Tie | 0.35% |
| KK Equity (win + tie/2) | 80.49% |
| 66 Equity (win + tie/2) | 19.51% |
| Boards enumerated | 10,273,824 |
| Suit combinations | 6 |
| Losing frequency | KK 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, KK or 66?
KK is ahead: KK has 80.49% equity vs 19.51% (exact enumeration).
How often do KK vs 66 tie?
Ties occur 0.35% of the time (36,456 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, “KK vs 66 equity”, pailiku.com/matchups/kk-vs-66 (2026).