Daily puzzle (2020-07-13)



Author: Andrey Bogdanov

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Place a few chess queens into the grid. Numbers show the number of queens attacking the cell with the number. A queen attacks all cells in the same row, column or diagonal which are not blocked by another queen. Queens can't be placed to cells with numbers.

Example puzzle

Grid control: Click the mouse button at the selected cell to change the filling of the cell. More details about grid control are at the help page.