Step-by-Step Solution

for Sunday 8th November Diabolical

Number 1 is the only value possible in cell (1,1).

Single Candidate

For row 9, number 8 is only possible in cell (4,9)

Single Position

For column 4, Number 7 is only possible in cell (4,8)

Single Position

For row 3, number 5 is only possible in cell (5,3)

Single Position

For row 9, number 3 is only possible in cell (2,9)

Single Position

For column 2, Number 9 is only possible in cell (2,2)

Single Position

For column 1, Number 9 is only possible in cell (1,8)

Single Position

For row 9, number 7 is only possible in cell (3,9)

Single Position

For row 8, number 5 is only possible in cell (7,8)

Single Position

For row 7, number 5 is only possible in cell (4,7)

Single Position

For row 6, number 3 is only possible in cell (4,6)

Single Position

For column 9, Number 5 is only possible in cell (9,5)

Single Position

For column 9, Number 7 is only possible in cell (9,3)

Single Position

For row 1, number 7 is only possible in cell (6,1)

Single Position

For row 1, number 3 is only possible in cell (8,1)

Single Position

For row 1, number 6 is only possible in cell (7,1)

Single Position

For row 4, number 3 is only possible in cell (1,4)

Single Position

For row 7, number 3 is only possible in cell (5,7)

Single Position

For row 2, number 3 is only possible in cell (6,2)

Single Position

For row 2, number 6 is only possible in cell (4,2)

Single Position

Number 4 is the only value possible in cell (4,5).

Single Candidate

For box 8, candidates for 2 are all in row 8, so you can remove candidates from other blocks.

Candidate Lines

For box 8, candidates for 4 are all in row 8, so you can remove candidates from other blocks.

Candidate Lines

Candidates for 4 in boxes 2 and 3 force the candidates in box 1 to be in the remaining line.

Multiple Lines

Hidden Pair for 1 and 7, can remove other candidates from these cells.

Hidden Pairs

Hidden Pair for 1 and 6, can remove other candidates from these cells.

Hidden Pairs

Either candidate for cell (5,2) forces 6 into cell (1,5).

Forcing Chains

Number 2 is the only value possible in cell (1,7).

Single Candidate

Number 8 is the only value possible in cell (1,3).

Single Candidate

Number 2 is the only value possible in cell (3,2).

Single Candidate

Number 1 is the only value possible in cell (9,2).

Single Candidate

Number 4 is the only value possible in cell (7,2).

Single Candidate

Number 8 is the only value possible in cell (5,2).

Single Candidate

Number 4 is the only value possible in cell (6,3).

Single Candidate

Number 2 is the only value possible in cell (5,5).

Single Candidate

Number 8 is the only value possible in cell (6,5).

Single Candidate

Number 6 is the only value possible in cell (6,4).

Single Candidate

Number 6 is the only value possible in cell (9,7).

Single Candidate

Number 4 is the only value possible in cell (5,8).

Single Candidate

Number 2 is the only value possible in cell (6,8).

Single Candidate

Number 1 is the only value possible in cell (8,8).

Single Candidate

Number 7 is the only value possible in cell (8,5).

Single Candidate

Number 2 is the only value possible in cell (8,4).

Single Candidate

Number 9 is the only value possible in cell (8,3).

Single Candidate

Number 2 is the only value possible in cell (7,3).

Single Candidate

Number 8 is the only value possible in cell (7,4).

Single Candidate

Number 5 is the only value possible in cell (3,4).

Single Candidate

Number 4 is the only value possible in cell (3,1).

Single Candidate

Number 5 is the only value possible in cell (2,1).

Single Candidate

Number 7 is the only value possible in cell (2,4).

Single Candidate

Number 1 is the only value possible in cell (2,5).

Single Candidate

Number 2 is the only value possible in cell (2,6).

Single Candidate

Number 8 is the only value possible in cell (3,6).

Single Candidate

Number 6 is the only value possible in cell (8,6).

Single Candidate

Number 9 is the only value possible in cell (9,6).

Single Candidate

Number 1 is the only value possible in cell (7,6).

Single Candidate

Number 4 is the only value possible in cell (2,7).

Single Candidate

Number 1 is the only value possible in cell (3,7).

Single Candidate

Number 6 is the only value possible in cell (3,8).

Single Candidate

Number 9 is the only value possible in cell (7,9).

Single Candidate

Number 4 is the only value possible in cell (8,9).

Single Candidate

Number 2 is the only value possible in cell (9,9).

Single Candidate