Step-by-Step Solution

for Saturday 28th June Fiendish

For row 2, number 1 is only possible in cell (3,2)

Single Position

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

Single Candidate

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

Single Candidate

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

Single Position

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

Single Position

For row 5, number 3 is only possible in cell (9,5)

Single Position

For column 6, Number 3 is only possible in cell (6,8)

Single Position

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

Single Position

For row 3, number 9 is only possible in cell (8,3)

Single Position

For box 4, candidates for 9 are all in row 5, so you can remove candidates from other blocks.

Candidate Lines

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

Candidate Lines

For box 1, candidates for 4 are all in column 2, so you can remove candidates from other blocks.

Candidate Lines

For box 8, candidates for 5 are all in row 9, so you can remove candidates from other blocks.

Candidate Lines

For box 3, candidates for 6 are all in row 1, so you can remove candidates from other blocks.

Candidate Lines

For box 8, candidates for 6 are all in row 9, so you can remove candidates from other blocks.

Candidate Lines

For box 2, candidates for 7 are all in row 1, so you can remove candidates from other blocks.

Candidate Lines

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

Single Position

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

Multiple Lines

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

Multiple Lines

Hidden Pair for 3 and 6, can remove other candidates from these cells.

Hidden Pairs

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

Single Position

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

Single Position

For row 9, number 7 is only possible in cell (8,9)

Single Position

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 4 is the only value possible in cell (2,3).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 6 is the only value possible in cell (8,1).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 4 is the only value possible in cell (3,7).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 7 is the only value possible in cell (2,8).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 2 is the only value possible in cell (6,5).

Single Candidate

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

Single Candidate

Number 9 is the only value possible in cell (5,8).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (6,1).

Single Candidate

Number 5 is the only value possible in cell (4,6).

Single Candidate

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

Single Candidate

Number 6 is the only value possible in cell (4,9).

Single Candidate

Number 5 is the only value possible in cell (6,9).

Single Candidate