Tsume Othello #5622221 (empty 12)
To move: Black — find the best move
a
b
c
d
e
f
g
h
1
2
3
4
5
6
7
8
32 20
Why this move works
The answer is a2 (a5 is equally best). Reading to the end gives a final +24, 2 discs better than the next-best.
The move that flips the most right now is c7 (6 discs), but it is not best. Read the final count and the quiet edge moves a2 / a5 come out ahead.