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
World Chess Championship 2014 an easily drawn endgame. The ninth game was played on 20 November 2014. The opening was the Berlin Defence of the Ruy Lopez. The game was drawn due to threefold repetition on the 20th move. This game included no original moves. The draw meant that Carlsen was closer to converting his 1-point lead to a match win, though Anand seemed satisfied to draw early and focus on his two remaining games with the white pieces. Although a short draw at 20 moves, this game is far from the shortest in match history; a pair of 10-move draws sealed Petrosian's match