J4o vs random hand equity
J4 offsuit has exact preflop equity 46.19% vs a random hand (win 43.87%, tie 4.64%, lose 51.50%), ranking 111 of 169 starting hands. Derived from exhaustive enumeration over all 1,225 opponent combos × C(48,5) boards.
| Win | 43.87% |
|---|---|
| Tie | 4.64% |
| Lose | 51.50% |
| Equity (win + tie/2) | 46.19% |
| Rank among 169 hands | 111 / 169 |
| Boards enumerated | 2,097,572,400 |
Note: class-average values. Specific suit combinations (e.g. shared suits) shift the numbers by a few tenths of a percent.
Best 5 opponents / Worst 5 opponents
| Best 5 opponents | T4o（73.78%）、94o（73.64%）、42o（72.35%）、84o（72.09%）、43o（70.62%） |
|---|---|
| Worst 5 opponents | JJ（6.83%）、QQ（12.17%）、AA（12.46%）、KK（12.47%）、AJs（22.84%） |
FAQ
Is J4o a good starting hand?
J4o has 46.19% equity vs a random hand, ranking 111 of 169 starting hands (exact enumeration).
Which hands does J4o fear most?
Toughest opponents for J4o: JJ (J4o equity 6.83%), QQ (J4o equity 12.17%), AA (J4o equity 12.46%), KK (J4o equity 12.47%), AJs (J4o equity 22.84%).
What does "vs random hand" mean?
The opponent holds any two of the remaining 50 cards with equal probability (1,225 combos); figures are the weighted exhaustive average over all of them.
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, “J4o vs random hand equity”, pailiku.com/matchups/j4o-vs-random (2026).