Evans Gambit
Opponent's mistake · 8...O-O
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.O-O Nge7 8.Ng5 O-O 9.Qh5 h6 10.Nxf7 Rxf7 11.Qxf7+
- e4: Takes the centre and opens lines for the queen and the f1 bishop.
- Nf3: Develops the knight and attacks the e5 pawn.
- Bc4: The bishop aims at f7, Black's weakest square.