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  2. Corresponding squares - Wikipedia

    en.wikipedia.org/wiki/Corresponding_squares

    In chess, two squares are corresponding squares (also known as relative squares, sister squares, or coordinate squares [1]) if the occupation of one of these squares by a king requires the enemy king to move to the other square in order to hold the position. Corresponding squares exist in some chess endgames, usually ones that are mostly ...

  3. List of chess variants - Wikipedia

    en.wikipedia.org/wiki/List_of_chess_variants

    Thrones Chess, initial setup with the classic chess pieces. Free squares may be filled by additional classic or fairy chess pieces. Zonal chess: Board has triangular wings or "zones" on either side of the main 8×8 board. Queens, bishops, and rooks that start from one of the squares in either zone may change direction and keep going on the same ...

  4. Rules of chess - Wikipedia

    en.wikipedia.org/wiki/Rules_of_chess

    Staunton style chess pieces. Left to right: king, rook, queen, pawn, knight, bishop. The rules of chess (also known as the laws of chess) govern the play of the game of chess. Chess is a two-player abstract strategy board game. Each player controls sixteen pieces of six types on a chessboard. Each type of piece moves in a distinct way.

  5. Glossary of chess - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chess

    Describes a piece that threatens a number of squares, or that has a number of squares available for its next move. It may also describe an aggressive style of play. [2] Antonym: passive. Envelope used for the adjournment of a match game Efim Geller vs. Bent Larsen, Copenhagen 1966 adjournment Suspension of a chess game with the intention to ...

  6. Chess - Wikipedia

    en.wikipedia.org/wiki/Chess

    Chess is an abstract strategy board game for two players which involves no hidden information and no elements of chance. It is played on a square game board called a chessboard containing 64 squares arranged in an 8×8 grid.

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  8. White and Black in chess - Wikipedia

    en.wikipedia.org/wiki/White_and_Black_in_chess

    As Howard Staunton observed, "In the earlier ages of chess, the board was simply divided into sixty-four squares, without any difference of colour". [3] The checkering of the squares was a European innovation, introduced in the thirteenth century. [4] The convention of White having the first move is much more recent than that.

  9. Rook polynomial - Wikipedia

    en.wikipedia.org/wiki/Rook_polynomial

    The board is the ordinary chessboard if all squares are allowed and m = n = 8 and a chessboard of any size if all squares are allowed and m = n. The coefficient of x k in the rook polynomial R B (x) is the number of ways k rooks, none of which attacks another, can be arranged in the squares of B. The rooks are arranged in such a way that there ...