Wednesday 29 June 2022
Sudoku no 665 (Diabolical)
This puzzle has a Hodoku grade of Hard (1376) so it would have qualified for inclusion in my book as all the puzzles there have a Hodoku grade between Hard (1000) and Hard (1999).
Andrew Stuart gives it a grade of 201 (Very Hard) on his main page but calls it Diabolical when you look at the solve path.
Please click here if you would like to see my book. Amazon shows you the first 18 puzzles in the preview.
Monday 27 June 2022
Sudoku no 664 (Diabolical)
I created this puzzle just now. I was trying to create an extreme one but, after 75 attempts I had not found what I was looking for so I chose this one instead. It has a Hodoku grade of Hard (1508) so it is typical of the puzzles in my book, which all have a Hodoku grade between Hard (1000) and Hard (1999).
Friday 24 June 2022
Sudoku no 663 (Easy)
Our younger son created this puzzle using a Javascript program which he wrote himself:
Monday 20 June 2022
Sudoku no 662 (Diabolical)
If you enjoy solving this, please click one of the links in the
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box and share it with your friends. You will find the box somewhere else in the post depending on what type of device you are using. This will improve my viewing figures and encourage me to produce more puzzles.
Thursday 16 June 2022
Monday 13 June 2022
Sudoku no 660 (Tough)
If you prefer solving sudoku on paper, this link will let you buy my first book of puzzles, which is available now.
Our younger son created the puzzle below using a Javascript program which he wrote himself:
Saturday 11 June 2022
Sudoku no 659 (Moderate)
Our younger son created this puzzle using a Javascript program which he wrote himself:
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