Here is a puzzle I added to my repertoire last year. It’s an interesting variation on Sudoku that combines Chaos Sudoku and Even Sudoku. The grid is laid out like a chessboard, with alternating white and black squares. You must place even numbers in the white squares (in the case of a 10x10 grid), namely: 2, 4, 6, 8, and 10, and you must place 1, 3, 5, 7, and 9 in the black squares (which are actually more gray). This constraint, combined with the irregularly shaped regions, can be confusing. Sometimes it’s better to solve the squares of one color first and finish with the other, or you can alternate the colors. In any case, you’ll be fascinated by this Sudoku variant. Here are 3 grids to get you started.
Rules : Rules of Chessboard Sudoku
1)
Puzzle :suco_8x8_03954_s_.pdf
Solution :suco_8x8_03954_s__sol.pdf
2)
Puzzle :suco_10x10_03734.pdf
Solution :suco_10x10_03734_sol.pdf
3)
Puzzle :suco_10x10_09068.pdf
Solution :suco_10x10_09068_sol.pdf
Have a good day!
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