1. e4 e5 2. f4 exf4 3. Nf3 d5 4. Nc3 dxe4 5. Nxe4 Bg4 6. Qe2 (Diagram) 6... Bxf3 6... Be7 lets White continue 7. Qb5+ 6... Qe7 and if 7. Qb5+ Nd7 is strong 7. Nf6# *