Preflop quiz

What's your play?

9-max · 20 bb
Pot 4.62 bb
UTGfold
MPfold
HJopen
2
COfold
BTNfold
D
SBfold
0.5
BB20 bb
J♠6♥

Today's training · spot 1 / 10 · BB defense, new for you my progress

A player opened, you're in the BB.

The answer comes from Exploit It's full preflop tree, the same one behind the Solver page and Play mode: chip-EV equilibrium, every position at the table, no ICM. EVs are counted from the start of the hand, posted blinds included. An action played at equilibrium, even rarely, counts as perfect.