1.e4 e5 2.Nf3 Nc6 3.Bb5 a6
The Spanish Opening with 3 .... a6 (ECO C68-C99) is the main line that is played today. It has many advantages for White, as it weakens the structure of pawns on the queenside, but also for Black as it manages to gain space and attack on the queenside attack the white bishop. The possibilities between them are balanced, making it a favorite among the great masters. There are three major lines of play, the variant of change ...

The Rousseau Gambit is a chess opening doubtful. It is characterized by the moves (in algebraic notation):
1.e4 e5 2.Nf3 Nc6 3.Bc4 f5
The gambit was named in honor of Eugene Rousseau. The best response is to decline the gambit white and continue to support the e-pawn and develop playing 4.d3. The resulting position is a King's Gambit declined where the black is playing Gambit less developed and the white king bishop pointed to the weakened black kingside. The black will have trouble Ng5 castle is a short and ...