Ruy Lopez, Exchange Variation Qf6 7.Qd3. There are two "ECO" classifications for the Exchange Variation. Bibliography Ruy Lopez, Exchange Variation The Exchange Variation of the Ruy Lopez is a chess opening that begins with the moves: Black may recapture on c6 with either pawn; although 4...bxc6 is playable, 4...dxc6 is almost always chosen at master level. Black has gained the at the cost of a weakened pawn structure, due to his doubled pawns on c6 and c7. White aims to reach an endgame in which he has the superior pawn structure, which may become an important factor. Thus, Black is compelled to strive for
Sicilian language either side) and had a significant influence on the Sicilian vocabulary. The following words are of Spanish derivation: Since the Italian Unification (the Risorgimento of 1860–1861), the Sicilian language has been significantly influenced by (Tuscan) Italian. During the Fascist period it became obligatory that Italian be taught and spoken in all schools, whereas up to that point, Sicilian had been used extensively in schools. This process has quickened since World War II due to improving educational standards and the impact of mass media, such that increasingly, even within the family home, Sicilian is not necessarily the language of choice. The