Ruy Lopez Ajedrez", written in 1561. Although it bears his name, this particular opening was included in the Göttingen manuscript, which dates from c. 1490. However, popular use of the Ruy Lopez opening did not develop until the mid-19th century, when Carl Jaenisch, a Russian theoretician, "rediscovered" its potential. The opening remains the most commonly used amongst the open games in master play; it has been adopted by almost all players during their careers, many of whom have played it with both colours. Due to the difficulty for Black in achieving equality, a common nickname for the opening is "The Spanish Torture".
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