6... Nf6? 7.e5 d5




FIG. 14

(7...Nxe5, 7...dxe5, 7...Ng4)

After 7...d5 8.Bb3(Nxd5) Nd7 9.Qxd5 e6
10.Qb5 a6 11. Qe2 Qc7 12.Bf4



 FIG. 15

Black has to make concessions in order to
continue his development.