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For example, in a directmate, set play consists of lines of play starting with a Black move (rather than a White move). When set play exists, the key move may be something that does not change the set play lines, in which case the problem is a complete block, or the lines in the set play may change, in which case the problem is a mutate.
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 defen
A further variation is the duplex, another way of getting two problems for the price of one. The first problem is a normal helpmate; the second starts from the same position but has White moving first and helping Black to checkmate him. Again, duplex problems have been composed with other types of problems, but the vast majority are helpmates.
A seriesmover is a chess problem in which one side makes a series of legal moves without reply at the end of which the other side makes a single move, giving checkmate or yielding stalemate, depending on the precise stipulation. [1] Checks cannot be given except on the last move of the series. There are various types of seriesmover:
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 1936, Alain C. White published A Genius of the Two-Mover, which included 100 of the 300-or-so problems that Mansfield had composed over the past 20 years; and, in 1944, White also published Mansfield's Adventures in Composition – The Art of the Two Move Chess Problem in a limited edition. This book was re-published in the UK in 1948.
solutions to twins: slight variations to the problem brought about by, for example, changing the position of a piece, or switching the position of two pieces; extra solutions: some problems intentionally have more than one solution; in this case, each is a distinct phase; A problem with n phases is called an n-phase problem. So a problem with ...
Dawson published his first problem, a two-mover, in 1907. His chess problem compositions include 5,320 fairies, 885 directmates, 97 selfmates, and 138 endings. 120 of his problems have been awarded prizes and 211 honourably mentioned or otherwise commended. He cooperated in chess composition with Charles Masson Fox.