chess SUDOKU variants - Paperback

by Danny Demeersseman (Author)

I am excited to present this puzzle book containing 200 'CHESS'sudoku variants.The first sudoku was published in 1979 as Number Place.Over the years variants with additional rules emerged.In this puzzle book you will be introduced to some popular sudoku variants: Diagonal Sudoku, Hyper Sudoku, Killer Sudoku, Consecutive Sudoku, Non-Consecutive Sudoku and Rossini Sudoku.To make these sudoku even more attractive and challenging, we have expanded them with a CHESS rule.These Anti-King and Anti-Knight Sudoku variants will increase your solving skills in general.The puzzles are arranged in 4 levels: easy, medium, hard and expert. We hope you like this book with 200 challenging puzzles