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This is a list of chess openings, organised by the Encyclopaedia of Chess Openings (ECO) code classification system.The chess openings are categorised into five broad areas ("A" through "E"), with each of those broken up into one hundred subcategories ("00" through "99").
Chess openings are primarily categorized by move sequences. [19] In the initial position, White has twenty legal moves. [ 20 ] Of these, 1.e4, 1.d4, 1.Nf3, and 1.c4 are by far the most popular as these moves do the most to promote rapid development and control of the center.
This is a list of chess openings that are gambits. The gambits are organized into sections by the parent chess opening, giving the gambit name, ECO code, and defining moves in algebraic chess notation .
Staunton style chess pieces. Left to right: king, rook, queen, pawn, knight, bishop. The rules of chess (also known as the laws of chess) govern the play of the game of chess. Chess is a two-player abstract strategy board game. Each player controls sixteen pieces of six types on a chessboard. Each type of piece moves in a distinct way.
Claude Shannon. The Shannon number, named after the American mathematician Claude Shannon, is a conservative lower bound of the game-tree complexity of chess of 10 120, based on an average of about 10 3 possibilities for a pair of moves consisting of a move for White followed by a move for Black, and a typical game lasting about 40 such pairs of moves.
Capablanca Random Chess: Generalises all possible variants of Capablanca Chess with random starting positions following a method similar to that used in Chess960. By Reinhard Scharnagl (2004). Embassy Chess: Uses a 10×8 board with Marshall (Empress) and Cardinal (Princess). The starting position is borrowed from Grand Chess. By Kevin Hill (2005).
Chess opening – group of initial moves of a chess game. Recognized sequences of opening moves are referred to as openings as finished by White, or defenses as finished by Black, but opening is also used as the general term. Fool's mate – also known as the Two-Move Checkmate, it is the quickest possible checkmate in chess. A prime example ...
In a complete block, all of Black's moves have mates provided in the set play and the key is simply a waiting move; in an incomplete block, not all black moves are provided with mates in the set play – the key provides for those that do not; in a mutate, some of the mates provided in the set play are changed following the key. by-play