Sicilian Scheveningen Part II (Classical Variation)

8 f4



Joining its e4 companion in the fight for the
center. A possible e4-e5 or f4-f5 now hangs
over Black's head.The first advance gains
space and threatens the f6 knight. The second
also takes ground, but it harasses e6 instead,
together with the d4 knight.

8 a3
8 a4
8 Bd3
8 Be3
8 Bg5
8 Kh1
8 Nf3
8 Rb1
8 Re1
8 Qd2
8 Qd3

8 ... O-O