← Back to all matchups

KK vs JJ equity

Preflop, KK beats JJ with exact equity 81.54% vs 18.46%: KK wins 81.32%, JJ wins 18.25%, ties 0.44%. Computed by exhaustively enumerating all 10,273,824 deals.

KK Win81.32%
JJ Win18.25%
Tie0.44%
KK Equity (win + tie/2)81.54%
JJ Equity (win + tie/2)18.46%
Boards enumerated10,273,824
Suit combinations6
Losing frequencyKK loses 1 in 5.5

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 JJ?

KK is ahead: KK has 81.54% equity vs 18.46% (exact enumeration).

How often do KK vs JJ tie?

Ties occur 0.44% of the time (44,856 of 10,273,824 outcomes).

Are these numbers simulated?

No. All 10,273,824 board combinations are exhaustively enumerated — mathematically exact and reproducible.

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 JJ equity”, pailiku.com/matchups/kk-vs-jj (2026).