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  2. Wheat and chessboard problem - Wikipedia

    en.wikipedia.org/wiki/Wheat_and_chessboard_problem

    The wheat and chessboard problem (sometimes expressed in terms of rice grains) is a mathematical problem expressed in textual form as: If a chessboard were to have wheat placed upon each square such that one grain were placed on the first square, two on the second, four on the third, and so on (doubling the number of grains on each subsequent ...

  3. Chessboard - Wikipedia

    en.wikipedia.org/wiki/Chessboard

    A chessboard is a game board used to play chess. It consists of 64 squares, 8 rows by 8 columns, on which the chess pieces are placed. It is square in shape and uses two colours of squares, one light and one dark, in a chequered pattern.

  4. 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.

  5. Missing square puzzle - Wikipedia

    en.wikipedia.org/wiki/Missing_square_puzzle

    Sam Loyd's chessboard paradox demonstrates two rearrangements of an 8×8 square. In the "larger" rearrangement (the 5×13 rectangle in the image to the right), the gaps between the figures have a combined unit square more area than their square gaps counterparts, creating an illusion that the figures there take up more space than those in the ...

  6. Template:Chess diagram 6x6 - Wikipedia

    en.wikipedia.org/wiki/Template:Chess_diagram_6x6

    The default template for a standard chess board is {{Chess diagram}}. This documentation covers all related templates. ... may be empty; size - specifies the size of ...

  7. 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 ...

  8. Mathematical chess problem - Wikipedia

    en.wikipedia.org/wiki/Mathematical_chess_problem

    A mathematical chess problem is a mathematical problem which is formulated using a chessboard and chess pieces. These problems belong to recreational mathematics.The most well-known problems of this kind are the eight queens puzzle and the knight's tour problem, which have connection to graph theory and combinatorics.

  9. Outline of chess - Wikipedia

    en.wikipedia.org/wiki/Outline_of_chess

    Chess boards can be built into chess tables, or dispensed with (along with pieces) if playing mental chess, computer chess, Internet chess and sometimes correspondence chess. Rank – horizontal row of squares on the chessboard. File – vertical (i.e. in the direction from one player to the other) column of squares on the chessboard.

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