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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.
A four-piece tablebase must rely on three-piece tablebases that could result if one piece is captured. Similarly, a tablebase containing a pawn must be able to rely on other tablebases that deal with the new set of material after pawn promotion to a queen or other piece.
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).
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.
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.
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.
A dead oarfish found along the Southern California coast marks the state's third sighting of the so-called "doomsday fish" this year.. The roughly 10-foot oarfish was discovered on Nov. 6. at a ...
The middlegame is the portion of a chess game between the opening and the endgame.It is generally considered to begin when each player has completed the development of all or most of their pieces and brought their king to relative safety, and it is generally considered to end when only a few pieces remain on the board.