Preflop quiz

What's your play?

9-max · 8 bb
Pot 10.62 bb
UTGfold
MPall-in
8
HJfold
COfold
BTN8 bb
D
SBto act
0.5
BBto act
1
A♦8♦

The hand from today's video: answer it, then keep going with more spots.

A player went all-in before 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.