Non Main Diagonals Sudoku 2013 - 1

Today we will try out another sudoku which will be appearing in the 8th World Sudoku Championship which is scheduled for next week.

This is a Non Main Diagonal Sudoku. Rules of Classic Sudoku apply. Additionally digits do not repeat on any of the marked diagonals.

ISO Sudoku 2013 - 1

Today I have created an Iso Sudoku as a practice puzzle for the upcoming World Championships. This is definitely a hard puzzle.

Fill in the grid so that every row, column, and 3×3 box contains the digits 1 through 9. Digits do not repeat along any of the three directions in which the hexagonal cells share edges.

Pyramid Sudoku 2013 - 1

Today we will have a puzzle from the WSC 2013 IB. This is a pyramid sudoku, It is nothing but an extension of an Extra region sudoku.

Rules of Classic Sudoku apply. Additionally regions marked in grey contain digits 1 to 9 without any repetition.