White to move! How should white proceed?
- Qe4 both blocks Black’s e4 and prepares Bd3, so Black must vacate f7 and g7 to defend h7.
Possible sequence: 1. Qe4 Nd8 2. Bd3 Bf6 (Black could reverse the 1st and 2nd moves) 3. Nh5, and White’s infiltration with Qg6 will bring big gains.