enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Chess problem - Wikipedia

    en.wikipedia.org/wiki/Chess_problem

    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

  3. Helpmate - Wikipedia

    en.wikipedia.org/wiki/Helpmate

    (In a helpmate in 2 for example, sometimes abbreviated h#2, the solution consists of a Black move, a White move, a second Black move, then a second White move, giving checkmate.) Although the two sides cooperate, all moves must be legal according to the rules of chess. The example problem illustrated is a helpmate in 8 (or h#8) by Z. Maslar ...

  4. Chess puzzle - Wikipedia

    en.wikipedia.org/wiki/Chess_puzzle

    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 ...

  5. Glossary of chess problems - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chess_problems

    A type of problem in which there are two solutions, the second one reversing the roles of the colours in the first. The most common type is the duplex helpmate, in which the two solutions are: Black moves first and cooperates with White to be mated; and White moves first and cooperates with Black to be mated.

  6. Eight queens puzzle - Wikipedia

    en.wikipedia.org/wiki/Eight_queens_puzzle

    The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other; thus, a solution requires that no two queens share the same row, column, or diagonal. There are 92 solutions. The problem was first posed in the mid-19th century.

  7. Grimshaw (chess) - Wikipedia

    en.wikipedia.org/wiki/Grimshaw_(chess)

    A Grimshaw is a device found in chess problems in which two pieces (usually a rook and bishop) arriving on a particular square mutually interfere with each other. It is named after the 19th-century problem composer Walter Grimshaw. The Grimshaw is one of the most common devices found in directmates.

  8. Thomas Rayner Dawson - Wikipedia

    en.wikipedia.org/wiki/Thomas_Rayner_Dawson

    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.

  9. Albino (chess) - Wikipedia

    en.wikipedia.org/wiki/Albino_(chess)

    The problem is a helpmate in 2, which means Black moves first and cooperates with White to move to a position where Black is in checkmate after White's second move. This problem features grasshoppers (represented here by inverted queens), a fairy chess piece which moves along the same lines as a queen , but which must "hop" over another piece ...