Opponent's mistake · 7...Qf6
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 h5 6.Bc4 Nh6 7.d4 Qf6 8.Nc3 c6 9.Ne2 d6 10.Bxf4 dxe5 11.Bxe5 Qg6 12.Bxh8
- e4: Takes the centre and opens lines for the queen and the f1 bishop.
- f4: Offers the f-pawn to deflect the e5 pawn and open the f-file.
- Nf3: Develops the knight and covers h4, preventing ...Qh4+.