Showing posts with label Asian Sudoku Championship. Show all posts
Showing posts with label Asian Sudoku Championship. Show all posts

Sunday, 1 April 2018

Sudoku no 170 (Tough)

This is the last of the puzzles which I created for the 2018 Asian Sudoku Championship.
It took place on Jeju Island, South Korea at the start of February.


Sudoku grader and solver

See answer

Sunday, 11 March 2018

Sudoku no 168 (Tough)

I created this puzzle for the Asian Sudoku Championship, which took place on Jeju Island, South Korea at the start of February 2018. It is probably just below the middle of the Tough category:

Sudoku grader and solver

See answer

Sunday, 4 March 2018

Sudoku no 166 (Diabolical)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018:

Sudoku grader and solver

See answer

Friday, 2 March 2018

Sudoku no 164 (Tough)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018:

Sudoku grader and solver

See answer

Sudoku no 163 (Moderate)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018:

Sudoku grader and solver

See answer

Thursday, 1 March 2018

Sudoku no 162 (Diabolical)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018:

Solve online

Sudoku grader and solver

See answer

Sudoku no 160 (Tough)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018.

The puzzle is at the lower end of the Tough category with one tricky position roughly half way through:

Solve online

Sudoku grader and solver

See answer

Wednesday, 28 February 2018

Sudoku no 159 (Moderate)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018.

Solve online

Sudoku grader and solver

See answer

Sudoku no 157 (Moderate)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018.

Solve online

Sudoku grader and solver

See answer

Tuesday, 27 February 2018

Sudoku no 155 (Moderate)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018.

Solve online

Sudoku grader and solver

See answer

Sudoku no 152 (Easy)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018.

Solve online

Sudoku grader and solver

See answer

Sunday, 25 February 2018

Sudoku no 150 (Easy)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018:

Solve online

Sudoku grader and solver

See answer

Saturday, 24 February 2018

Sudoku no 148 (Moderate)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018. 

Solve online

Sudoku grader and solver

See answer

Thursday, 22 February 2018

Sudoku no 147 (Tough)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018. 

It is only just into the Tough category so should not take too long to solve:


Solve online

Sudoku grader and solver

See answer

Wednesday, 21 February 2018

Sudoku no 146 (Moderate)

I created this puzzle for the Asian Sudoku Championship. It took place on Jeju Island, South Korea at the start of February 2018:

Solve online

Sudoku grader and solver

See answer