Chess Puzzle

White Knight Sudoku (18 Knights)

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 7 and two chess knights. No knights attack each other.

White Knight Sudoku

White King Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 8 and a chess king. Kings can be neither orthogonally nor diagonally adjazent.

White King Sudoku

Queen Knights Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 8 or a chess piece (1 queen and 8 knights). No chess pieces attack each other.

Queen Knights Sudoku

Anti-Knight Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. The same numbers are not "chess-knight move connected".

Anti-Knight Sudoku

White Knight Sudoku (18 Knights)

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 7 and two chess knights. No knights attack each other.

White Knight Sudoku (18 Knights)

Black Knight Sudoku (18 Knights)

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 7 and two chess knights. All knights defend at least one other.

Black Knight Sudoku (18 Knights)

Black Knight Sudoku (18 Knights)

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 7 and two chess knights. All knights defend at least one other.

Black Knight Sudoku (18 Knights)

Black Knight Sudoku (9 Knights)

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 8 and a chess knight. All knights defend at least one other.

Black Knight Sudoku (9 Knights)

Knightsweeper

Locate the position of 20 chess knights in the grid. The numbers in the grid indicate the number of knights attacking this cells. Knights are not on the numbered squares.

Knightsweeper

Horsudoku

Fill in the grid so that every row, every column and 3x3 box contain the digits 1 through 9. All knights attack at least one other cell with the same number in the chess knight distance. The numbers at the left and at the top are the sum of cells with a knight.

Smaller Example:

Example

Puzzle:

Horsudoku

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