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  2. Wheat and chessboard problem - Wikipedia

    en.wikipedia.org/wiki/Wheat_and_chessboard_problem

    The problem may be solved using simple addition. With 64 squares on a chessboard, if the number of grains doubles on successive squares, then the sum of grains on all 64 squares is: 1 + 2 + 4 + 8 + ... and so forth for the 64 squares. The total number of grains can be shown to be 2 64 −1 or 18,446,744,073,709,551,615 (eighteen quintillion ...

  3. List of Cyberchase episodes - Wikipedia

    en.wikipedia.org/wiki/List_of_Cyberchase_episodes

    List of. Cyberchase. episodes. Cyberchase is an animated mathematics series that currently airs on PBS Kids. The show revolves around three Earth children (Jackie, Matt, and Inez) who use mathematics and problem-solving skills to save Cyberspace from a villain known as The Hacker. The three are transported into Cyberspace by Motherboard, the ...

  4. Algebraic notation (chess) - Wikipedia

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

    Algebraic notation is the standard method for recording and describing the moves in a game of chess. It is based on a system of coordinates to uniquely identify each square on the board. [ 1 ] It is now almost universally used by books, magazines, newspapers and software, and is the only form of notation recognized by FIDE, the international ...

  5. Eight queens puzzle - Wikipedia

    en.wikipedia.org/wiki/Eight_queens_puzzle

    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.

  6. Checkmate pattern - Wikipedia

    en.wikipedia.org/wiki/Checkmate_pattern

    The pattern is also derived from an older form of chess in which the knight and the rook were the two most powerful pieces in the game, before chess had migrated to Europe and the queen given its current powers of movement.

  7. Mutilated chessboard problem - Wikipedia

    en.wikipedia.org/wiki/Mutilated_chessboard_problem

    The mutilated chessboard problem is an instance of domino tiling of grids and polyominoes, also known as "dimer models", a general class of problems whose study in statistical mechanics dates to the work of Ralph H. Fowler and George Stanley Rushbrooke in 1937. [1] Domino tilings also have a long history of practical use in pavement design and ...

  8. 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 ...

  9. Staunton chess set - Wikipedia

    en.wikipedia.org/wiki/Staunton_chess_set

    The Staunton chess set is the standard style of chess pieces, [ 1][ 2] recommended for use in competition since 2022 by FIDE, the international chess governing body. [ 3][ 4] The journalist Nathaniel Cooke is credited with the design on the patent, and they are named after the leading English chess master Howard Staunton, who endorsed it; [ 2 ...

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