Step-by-Step Solution

for Monday 2nd June Fiendish

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

Single Position

For column 5, Number 8 is only possible in cell (5,4)

Single Position

For column 6, Number 7 is only possible in cell (6,8)

Single Position

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

Single Position

For row 6, number 3 is only possible in cell (8,6)

Single Position

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

Single Position

For row 1, number 2 is only possible in cell (9,1)

Single Position

For row 1, number 7 is only possible in cell (5,1)

Single Position

For row 4, number 2 is only possible in cell (7,4)

Single Position

For box 6, Number 7 is only possible in cell (9,4)

Single Position

For column 8, Number 6 is only possible in cell (8,4)

Single Position

For column 6, Number 5 is only possible in cell (6,6)

Single Position

For row 5, number 2 is only possible in cell (3,5)

Single Position

For row 5, number 8 is only possible in cell (2,5)

Single Position

For row 7, number 2 is only possible in cell (5,7)

Single Position

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

Single Position

For column 5, Number 3 is only possible in cell (5,8)

Single Position

Candidates for 9 in boxes 2 and 5 force the candidates in box 8 to be in the remaining line.

Multiple Lines

Naked Pair for 5 and 9, can remove these as candidates from other cells.

Naked Pairs

Number 1 is the only value possible in cell (3,2).

Single Candidate

Naked Pair for 5 and 9, can remove these as candidates from other cells.

Naked Pairs

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

Single Candidate

Candidates for 5 in boxes 4 and 7 force the candidates in box 1 to be in the remaining line.

Multiple Lines

Candidates for 9 in boxes 4 and 7 force the candidates in box 1 to be in the remaining line.

Multiple Lines

Naked Pair for 5 and 9, can remove these as candidates from other cells.

Naked Pairs

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

Candidate Lines

Number 9 is the only value possible in cell (7,5).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 5 is the only value possible in cell (3,1).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 1 is the only value possible in cell (4,8).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (3,7).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 5 is the only value possible in cell (1,4).

Single Candidate

Number 1 is the only value possible in cell (2,4).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 6 is the only value possible in cell (1,9).

Single Candidate

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

Single Candidate

Number 4 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 1 is the only value possible in cell (7,9).

Single Candidate