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- Q211115 subject Q6955998.
- Q211115 subject Q8357925.
- Q211115 abstract "A chess problem, also called a chess composition, is a puzzle set by somebody using chess pieces on a chess board, that presents the solver with a particular task to be achieved. For instance, a position might be given with the instruction that White is to move first, and checkmate Black in two moves against any possible defense. A person who creates such problems is known as a composer. There is a good deal of specialized jargon used in connection with chess problems; see glossary of chess problems for a list.The term "chess problem" is not sharply defined: there is no clear demarcation between chess compositions on the one hand and puzzles or tactical exercises on the other. In practice, however, the distinction is very clear. There are common characteristics shared by compositions in the problem section of chess magazines, in specialist chess problem magazines, and in collections of chess problems in book form. Not every chess problem has every one of these features, but most have several: The position is composed – that is, it has not been taken from an actual game, but has been invented for the specific purpose of providing a problem. Although a constraint on orthodox chess problems is that the original position be reachable via a series of legal moves from the starting position, most problem positions would not arise in over-the-board play. There is a specific stipulation, that is, a goal to be achieved; for example, to checkmate Black within a specified number of moves. There is a theme (or combination of themes) that the problem has been composed to illustrate: chess problems typically instantiate particular ideas. The problem exhibits economy in its construction: no greater force is employed than that required to render the problem sound (that is, to guarantee that the problem's intended solution is indeed a solution and that it is the problem's only solution). The problem has aesthetic value. Problems are experienced not only as puzzles but as objects of beauty. This is closely related to the fact that problems are organised to exhibit clear ideas in as economical a manner as possible.Problems can be contrasted with tactical puzzles often found in chess columns or magazines in which the task is to find the best move or sequence of moves (usually leading to mate or gain of material) from a given position. Such puzzles are often taken from actual games, or at least have positions which look as if they could have arisen during a game, and are used for instructional purposes. Most such puzzles fail to exhibit the above features.".
- Q211115 thumbnail Pawn2knight.gif?width=300.
- Q211115 wikiPageExternalLink chessproblem.net.
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- Q211115 wikiPageExternalLink sct_map.html.
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- Q211115 wikiPageExternalLink CHESS_PROBLEMS.
- Q211115 wikiPageExternalLink www.chessgym.net.
- Q211115 wikiPageExternalLink www.chessproblems.com.
- Q211115 wikiPageExternalLink www.dieschwalbe.de.
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- Q211115 wikiPageExternalLink www.matplus.net.
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- Q211115 comment "A chess problem, also called a chess composition, is a puzzle set by somebody using chess pieces on a chess board, that presents the solver with a particular task to be achieved. For instance, a position might be given with the instruction that White is to move first, and checkmate Black in two moves against any possible defense. A person who creates such problems is known as a composer.".
- Q211115 label "Chess problem".
- Q211115 depiction Pawn2knight.gif.