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A chess problem, also called a chess composition, is a puzzle created by the composer using chess pieces on a chessboard, 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 piece in a chess problem that is legally placed and could only have been created through promotion. It does not include pieces promoted after the initial problem position. orthochess Synonym for orthodox chess. [5] orthodox chess Chess according to FIDE's The Official Laws of Chess; [6] see Rules of chess.
Media in category "Chess problems" This category contains only the following file. FIDE Album naslovnica.jpg 246 × 352; 13 KB
Chess problems are divided into orthodox and heterodox types, both covering a variety of genres. Orthodox problems employ the standard rules of chess and involve positions that can legally arise from actual gameplay. The most common form of orthodox problem is the directmate, which stipulates checkmate in n moves, usually two or three. The ...
A variant first described by Claude Shannon provides an argument about the game-theoretic value of chess: he proposes allowing the move of “pass”. In this variant, it is provable with a strategy stealing argument that the first player has at least a draw thus: if the first player has a winning move in the initial position, let him play it, else pass.
Loyd had a friend who was willing to wager that he could always find the piece which delivered the principal mate of a chess problem. Loyd composed this problem as a joke and bet his friend dinner that he could not pick a piece that didn't give mate in the main line (his friend immediately identified the pawn on b2 as being the least likely to deliver mate), and when the problem was published ...
Pages in category "Mathematical chess problems" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. *
A chess composer is a person who creates endgame studies or chess problems. Chess composers usually specialize in a particular genre, e.g. endgame studies, twomovers, threemovers, moremovers, helpmates, selfmates, fairy problems, or retrograde analysis. Moreover, composers have their own preferred style of composing, allowing their sorting ...