Ruy Lopez, Exchange Variation 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 an active position, generally avoiding piece exchanges. The variation was introduced into
Sicilian Americans Sicilian Americans Sicilian Americans (Italian: "Siculoamericani"; Sicilian: "Siculu-miricani") are Americans of Sicilian birth or ancestry. They are one of the largest and most prominent Italian American groups in the United States. Sicilian Americans are a subset of Italian Americans often considered a separate group due to cultural and historical differences. The first Sicilians arrived in what is now the United States in the seventeenth century as explorers and missionaries. Sicilian emigration to the US then grew substantially in the period starting in the 1880s and in 1906 as many as a 100,000 Sicilians emigrated to the US. The Emergency Quota