Chess strategy 10 to 25 moves, when players develop their armies and set up the stage for the coming battle; middlegame, the developed phase of the game; and endgame, when most of the pieces are gone and kings start to take an active part in the struggle. A chess opening is the group of initial moves of a game (the "opening moves"). Recognized sequences of opening moves are referred to as "openings" and have been given names such as the Ruy Lopez or Sicilian Defence. They are catalogued in reference works such as the "Encyclopaedia of Chess Openings". It is recommended for
Ruy González de Clavijo ill health (Timur's final illness), the Castilians were forced to depart Samarkand on 21 November 1404, due to Timur's impending death. Ruy González de Clavijo Ruy González de Clavijo (died 2 April 1412) was a Castilian traveller and writer. In 1403-05 Clavijo was the ambassador of Henry III of Castile to the court of Timur, founder and ruler of the Timurid Empire. A diary of the journey, perhaps based on detailed notes kept while traveling, was later published in Spanish in 1582 ("Embajada a Tamorlán") and in English in 1859 ("Narrative of the Embassy of Ruy Gonzalez de Clavijo to