Step-by-Step Solution

for Sunday 2nd November Fiendish

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

Single Candidate

For row 6, number 8 is only possible in cell (5,6)

Single Position

For box 7, Number 8 is only possible in cell (1,8)

Single Position

For row 3, number 8 is only possible in cell (2,3)

Single Position

For column 3, Number 9 is only possible in cell (3,6)

Single Position

For box 3, Number 1 is only possible in cell (7,2)

Single Position

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

Single Candidate

For column 3, Number 1 is only possible in cell (3,3)

Single Position

For column 1, Number 1 is only possible in cell (1,5)

Single Position

For column 4, Number 1 is only possible in cell (4,4)

Single Position

For column 4, Number 5 is only possible in cell (4,5)

Single Position

For column 4, Number 9 is only possible in cell (4,1)

Single Position

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

Single Position

For row 8, number 6 is only possible in cell (7,8)

Single Position

For row 4, number 6 is only possible in cell (9,4)

Single Position

For row 6, number 4 is only possible in cell (8,6)

Single Position

For column 6, Number 4 is only possible in cell (6,4)

Single Position

For row 8, number 7 is only possible in cell (3,8)

Single Position

For box 3, candidates for 3 are all in row 1, so you can remove candidates from other blocks.

Candidate Lines

For box 6, candidates for 3 are all in row 4, so you can remove candidates from other blocks.

Candidate Lines

For box 4, candidates for 3 are all in row 6, so you can remove candidates from other blocks.

Candidate Lines

For box 7, candidates for 5 are all in row 9, so you can remove candidates from other blocks.

Candidate Lines

For box 4, candidates for 2 are all in column 2, so you can remove candidates from other blocks.

Candidate Lines

For box 9, candidates for 2 are all in row 9, so you can remove candidates from other blocks.

Candidate Lines

For column 6, Number 2 is only possible in cell (6,8)

Single Position

For blocks 5 and 8, candidates for 3 are all in the same two columns (5 and 6)

Double Pairs

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

Multiple Lines

Hidden Pair for 2 and 7, can remove other candidates from these cells.

Hidden Pairs

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

Single Position

Number 3 is the only value possible in cell (8,4).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 9 is the only value possible in cell (5,4).

Single Candidate

Number 3 is the only value possible in cell (6,5).

Single Candidate

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

Single Candidate

Number 4 is the only value possible in cell (5,2).

Single Candidate

Number 6 is the only value possible in cell (5,1).

Single Candidate

Number 2 is the only value possible in cell (5,3).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 6 is the only value possible in cell (1,3).

Single Candidate

Number 2 is the only value possible in cell (4,6).

Single Candidate

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

Single Candidate

Number 1 is the only value possible in cell (5,7).

Single Candidate

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

Single Candidate

Number 4 is the only value possible in cell (1,9).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 5 is the only value possible in cell (9,2).

Single Candidate

Number 3 is the only value possible in cell (1,6).

Single Candidate

Number 7 is the only value possible in cell (2,6).

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (9,7).

Single Candidate

Number 6 is the only value possible in cell (2,9).

Single Candidate

Number 5 is the only value possible in cell (3,9).

Single Candidate

Number 3 is the only value possible in cell (5,9).

Single Candidate

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

Single Candidate

Number 2 is the only value possible in cell (7,9).

Single Candidate

Number 1 is the only value possible in cell (8,9).

Single Candidate

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

Single Candidate