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The Encyclopaedia of Chess Openings classifies the King's Indian Defence under the codes E60 through E99. The King's Indian is a hypermodern opening, where Black deliberately allows White control of the centre with pawns, with the view to subsequently challenge it.
In chess, a fortress is an endgame drawing technique in which the side behind in material sets up a zone of protection that the opponent cannot penetrate. This might involve keeping the enemy king out of one's position, or a safe zone the enemy cannot force one out of (e.g. see the opposite-colored bishops example).
The Tarrasch Defense is a chess opening characterized by the moves: . 1. d4 d5 2. c4 e6 3. Nc3 c5. The Tarrasch is a variation of the Queen's Gambit Declined.. Black's third move is an aggressive bid for central space.
In a game of chess, the pawn structure (sometimes known as the pawn skeleton) is the configuration of pawns on the chessboard.Because pawns are the least mobile of the chess pieces, the pawn structure is relatively static and thus plays a large role in determining the strategic character of the position.
From this position, White may choose to inflict the isolated pawn on Black, accept the weakness themselves in return for active piece play, or play 6.a3, with a view to dxc5, followed by b4 and Bb2, aiming for positions in which the extra tempo will come in useful if Black keeps the symmetry; thus, 6...Ne4, once chosen by Bobby Fischer in his ...
The Nalimov tablebases, which use advanced compression techniques, require 7.05 GB of hard disk space for all 5-piece endings and 1.2 TB for 6-piece endings. [32] [54] The 7-piece Lomonosov tablebase requires 140 TB of storage space. Some computers play better overall if their memory is devoted instead to the ordinary search and evaluation ...
A defending piece is said to be "tied down" to the pawn, since it must stay rooted to the spot until the attacking piece has moved. The second reason is that the square immediately in front of the isolated pawn is weak, often providing an excellent outpost for a knight or other enemy piece, since it is immune to attack by a pawn.
The British master Henry Edward Bird first played it in 1855 and continued to do so for the next 40 years. [1] After a six year break from Chess, he forgot how to play the more familiar openings. [2] In 1885, the Hereford Times named it after him. [3] In the first half of the 20th century Aron Nimzowitsch and Savielly Tartakower sometimes ...