Preflop quiz

What's your play?

6-max · 12 bb
Pot 2.25 bb
UTGfold
HJ12.5 bb
COto act
BTNto act
D
SBto act
0.5
BBto act
1
K♣3♣

Targeted training: Everyone folded to you. Position: HJ. exit

Everyone folded to you.

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.