Queen Sudoku offers a refreshing twist on the classic Sudoku puzzle by introducing a chess-inspired constraint. Besides satisfying the normal Sudoku rules, all 9s in the completed grid represent queens and must not attack one another along the diagonals. This extra rule affects only one digit, yet it creates many elegant logical deductions that make the solving process both challenging and enjoyable.
The rules are easy to learn, making this variation suitable for anyone who enjoys exploring creative Sudoku types. If you like puzzles that combine the logic of Sudoku with ideas from chess, this handcrafted Queen Sudoku is sure to provide a satisfying mental workout.
I am posting this Sudoku puzzle as the 122nd Sudoku in the Daily Sudoku League. Can you solve this Queen Sudoku puzzle?
Rules of the Queen Sudoku
Classic Sudoku Rules apply. Additionally, all digits 9 represent chess queens; these queens do not attack each other.
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| Queen Sudoku (Daily Sudoku League #122) |
Previous Daily Sudoku League Puzzle: Anti Knight Search 9 Sudoku (Daily Sudoku League #121)
Next Daily Sudoku League Puzzle: 3x6x6 Linked Sudoku (Daily Sudoku League #123)
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