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How good is jack-four offsuit before the flop?

J4o · Jack-Four offsuit

You are a little worse than a coin flip: 46%.

Rank of 169
110
by heads-up equity
Equity heads-up
46.3%
± 0.07%
Combinations
12
of 1,326
Dealt
0.90%
about 1 time in 110 · 110 : 1 against

Against more opponents

Everyone unknown, everyone to showdown. Strength falls as the table fills, faster for hands that rely on one pair.

OpponentsEquityFair share
146.3%50.0%
228.1%33.3%
320.0%25.0%
512.3%16.7%
87.5%11.1%

Against tighter ranges

Heads-up against an opponent who only holds the top N% of hands, ranked by this table.

Opponent’s rangeEquity
Top 10%27.3%
Top 20%29.9%
Top 35%32.0%
Top 50%34.0%
Any hand46.3%

Head-to-head

Averaged over every combination of both hands, so shared suits count correctly.

AgainstJ4o wins
AA12.3%
KK12.2%
QQ12.0%
JJ6.9%
TT27.4%
AKs30.8%
AKo31.9%
AQs30.4%
JTs26.5%
98s51.2%
72o64.5%

What it flops

Exact, from all 19,600 possible flops.

Pair up or better32.4%about 1 time in 3.1
Two pair or better5.5%about 1 time in 18
Open-ended straight draw or a straight2.0%about 1 time in 51

Related hands

Equity figures are Monte Carlo simulation, seeded xoshiro128**, seed 20260901; flop odds are exact. Equity is showdown share with everyone staying in, a measure of strength rather than advice on what to play. Offsuit hands are 12 of the 1,326 combinations.