The Times Fiendish Su Doku Book 1: 200 challenging Su Doku puzzles (The Times Fiendish Su Doku Puzzle Books)

Product Information

Every puzzle on Samurai Sudoku has one unique solution which can be found with pure logic, no guessing required. Look along each of the rows in turn, noting each one that contains only two or three squares with the current number as a possibility.

Visit our site to see the great iPhone application that brings you Sudoku, Killer, Jigsaw, Kakuro and Mini Sudoku to your iPhone/iPod Touch. The puzzles on Samurai Sudoku have one unique solution which can be found with pure logic, no guessing required. is partially solved using easy and medium difficulty solving techniques: singles, hidden singles and column/block intersections.

is a partially solved Sudoku, using easy and medium difficulty solving techniques; no more squares can be solved using them.

Whenever you solve a square, you must remove that number from the pencil marks in all other squares in the same row, column and block. Therefore, they must be placed in diagonally opposite corners: one 7 in the first column; one 7 in the last. Even though evil sudoku is an extremely difficult game level, many experienced players find it the best way for brain training and developing mental skills.So, as we increase the difficulty Super Fiendish, the time has come to present the essential techniques for solving the most difficult Sudoku puzzles. InNovember 2006, The Times introduced a new extreme level of Sudoku giving players a moredifficult level of logic: Super Fiendish.