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
Spanish influence on Filipino culture Arroyo, the fourteenth President of the Philippines and a hispanophone, reintroduced the study of Spanish into the state school system. There are currently around 3 million Spanish speakers residing in the country, of whom a minority still speak the language in public. The name of the Philippines comes from the king of Spain Philip II. It was given by the Spanish explorer Ruy Lopez de Villalobos who named the islands of Samar and Leyte "Las Islas Felipinas" (The Philippine Islands), during his expedition in 1543. Throughout the colonial period, the name Felipinas (Philippines) was used, and became the official name