8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Step 1 / 2
Against the Sicilian, c4 here is huge. With pawns on c4 and e4, Black can never free the position with ...d5, and the d5 square becomes a permanent outpost. Clamp down.
Step 1 / 2
Against the Sicilian, c4 here is huge. With pawns on c4 and e4, Black can never free the position with ...d5, and the d5 square becomes a permanent outpost. Clamp down.