Step-by-Step Solution

for Wednesday 23rd April Fiendish

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

Single Candidate

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

Single Candidate

For box 8, Number 3 is only possible in cell (4,8)

Single Position

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

Single Position

For column 5, Number 2 is only possible in cell (5,7)

Single Position

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

Single Candidate

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

Single Candidate

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

Single Candidate

For column 5, Number 7 is only possible in cell (5,6)

Single Position

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

Single Position

Number 1 is the only value possible in cell (6,4).

Single Candidate

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

Single Position

For box 4, candidates for 7 are all in row 5, so you can remove candidates from other blocks.

Candidate Lines

For box 7, candidates for 4 are all in row 7, so you can remove candidates from other blocks.

Candidate Lines

Hidden Pair for 5 and 7, can remove other candidates from these cells.

Hidden Pairs

For box 1, candidates for 9 are all in column 2, so you can remove candidates from other blocks.

Candidate Lines

Hidden Pair for 2 and 6, can remove other candidates from these cells.

Hidden Pairs

For column 2, Number 3 is only possible in cell (2,6)

Single Position

Candidates for 9 in boxes 4 and 5 force the candidates in box 6 to be in the remaining line.

Multiple Lines

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

Single Candidate

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

Single Candidate

Number 1 is the only value possible in cell (9,5).

Single Candidate

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

Single Candidate

Number 4 is the only value possible in cell (8,6).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (5,3).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Position

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (9,2).

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (2,1).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 9 is the only value possible in cell (2,3).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 3 is the only value possible in cell (9,4).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 5 is the only value possible in cell (3,8).

Single Candidate

Number 6 is the only value possible in cell (7,8).

Single Candidate

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

Single Candidate