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  2. Apocalypse (chess variant) - Wikipedia

    en.wikipedia.org/wiki/Apocalypse_(chess_variant)

    Apocalypse is a chess variant invented by C. S. Elliott in 1976. [1] [2] Each player starts with two horsemen and five footmen on a 5×5 board. The two sides make their moves simultaneously. The game was featured in Issue 53 of Games & Puzzles magazine. The name Apocalypse is a reference to the Four Horsemen of the Apocalypse.

  3. Fortress (chess) - Wikipedia

    en.wikipedia.org/wiki/Fortress_(chess)

    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).

  4. Endgame tablebase - Wikipedia

    en.wikipedia.org/wiki/Endgame_tablebase

    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 ...

  5. Chess piece relative value - Wikipedia

    en.wikipedia.org/wiki/Chess_piece_relative_value

    Piece values exist because calculating to checkmate in most positions is beyond reach even for top computers. Thus, players aim primarily to create a material advantage; to pursue this goal, it is normally helpful to quantitatively approximate the strength of an army of pieces.

  6. Old School RuneScape - Wikipedia

    en.wikipedia.org/wiki/Old_School_RuneScape

    Old School RuneScape is a massively multiplayer online role-playing game (MMORPG), developed and published by Jagex.The game was released on 16 February 2013. When Old School RuneScape launched, it began as an August 2007 version of the game RuneScape, which was highly popular prior to the launch of RuneScape 3.

  7. Pawn structure - Wikipedia

    en.wikipedia.org/wiki/Pawn_structure

    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.

  8. King's Indian Defence - Wikipedia

    en.wikipedia.org/wiki/King's_Indian_Defence

    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.

  9. Losing chess - Wikipedia

    en.wikipedia.org/wiki/Losing_chess

    Losing chess [a] is one of the most popular chess variants. [1] [2] The objective of each player is to lose all of their pieces or be stalemated, that is, a misère version. In some variations, a player may also win by checkmating or by being checkmated. Losing chess was weakly solved in 2016 by Mark Watkins as a win for White, beginning with 1.e3.