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While a chess puzzle is any puzzle involving aspects of chess, a chess problem is an arranged position with a specific task to be fulfilled, such as White mates in n moves. Chess problems are also known as chess compositions because the positions are specially devised, rather than arising from actual games. Chess problems are divided into ...
In chess, a decoy is a tactic that lures an enemy man off its square and away from its defensive role. [1] Typically this means away from a square on which it defends another piece or threat.
In the position diagrammed, from the game Carlos Torre–Emanuel Lasker, Moscow 1925, [3] White sacrifices his queen in order to set up the windmill: . 25. Bf6!!. Black must accept the sacrifice, as his own queen is unprotected, 25...g5 26.Qxh6 leads to unstoppable mate on g7 or h8, and any other attempt to stop the windmill would simply give White the queen.
Lichess (/ ˈ l iː tʃ ɛ s /; LEE-ches) [3] [4] is a free and open-source Internet chess server run by a non-profit organization of the same name. Users of the site can play online chess anonymously and optionally register an account to play rated games.
Cylinder chess: Played on a cylinder board with a- and h-files "connected". Thus a player can use them as if the a-file were next to the h-file (and vice versa). Infinite chess: Numerous players and mathematicians have conceived of chess variations played on an unbounded chessboard. [84]
A fork is an example of a double attack.The type of fork is named after the type of forking piece. For example, a fork by a knight is a knight fork.The attacked pieces are forked. [1]
The export format representations generated by different programs on the same computer should be exactly equivalent, byte for byte. PGN text begins with a set of "tag pairs" (a tag name and its value), followed by the "movetext" (chess moves with optional commentary).