Sudoku Exercises.

　　　

You can learn various Sudoku theories with actual works.

1. Each page contains 7 questions that can be solved only by the theory of the title.




• Exercises of the Xwing.

  This theory is explained on this page.

• Xy wing.

  This theory is explained on this page.

• Remote pairs.

  This theory is explained on this page.

• Finned fish

  This theory is explained on this page.

• Xy wing second

  This theory is explained on this page.

• Broken x wing

  This theory is explained on this page.

• Swordfish

  This theory is explained on this page.

• Finned swordfish

  This theory is explained on this page.

• Xy chain

  This theory is explained on this page.

• Xy wing third(coming soon)

• Xy chain link(coming soon)

　　　

Each difficulty level.

• level6(2020/6/18 up)

  For expert

• level7(2020/6/18 up)

  For expert

• level8(2020/6/17 up)

  For great expert

• level9(2020/8/27 up)

  　　　

  For great expert

• Zero(2020/6/22 up)

  For great expert.The Sudoku that one number cannot write.

• How to solve Sudoku

• animalsudoku(level_2,3,4,5)

  Sudoku to use the illustration in substitution for a number.

• About this site