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{{Short description|A chess composition whose solution is a mate or other clear objective}}
{{stack|[[File:An Interesting Problem (Adolphe-Alexandre Lesrel).png|thumb|261px|''An Interesting Problem'', by [[Adolphe Alexandre Lesrel]]]]
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A '''chess problem''', also called a '''chess composition''', is a [[Chess puzzle|puzzle]] set by the composer using [[chess piece]]s on a [[chess]] board, which presents the solver with a particular task. For instance, a position may be given with the instruction that White is to move first, and [[checkmate]] Black in two moves against any possible defence. A chess problem fundamentally differs from over-the-board play in that the latter involves a struggle between black and white, whereas the former involves a competition between the composer and the solver. Most positions which occur in a chess problem are 'unrealistic' in the sense that they are very unlikely to occur in over-the-board play.<ref name=oz>{{Cite web|url=http://www.ozproblems.com/home|title=OzProblems - Australian chess problem composition|website=www.ozproblems.com}}</ref> There is a good deal of [[Glossary of chess problems|specialized jargon used in connection with chess problems]].
{{AN chess|pos=toc}}
==Definition==
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==Types of problems==
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