Example puzzle

This is an example puzzle. You can solve it the same way as you would solve competition puzzle, but result never stored. You can reveal an answer for the puzzle by clicking "Show answer" link.

Queens

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 set/remove a queen. More details about grid control are at the help page.