Step-by-Step Solution

for Tuesday 2nd June Diabolical

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

Single Position

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

Single Position

For row 6, number 3 is only possible in cell (9,6)

Single Position

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

Single Candidate

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

Single Position

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

Single Candidate

Number 8 is the only value possible in cell (5,1).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 9 is the only value possible in cell (4,2).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Position

For box 6, candidates for 1 are all in row 4, so you can remove candidates from other blocks.

Candidate Lines

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

Single Candidate

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

Single Candidate

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

Candidate Lines

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

Candidate Lines

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

Single Candidate

Number 1 is the only value possible in cell (2,6).

Single Candidate

For row 9, number 1 is only possible in cell (3,9)

Single Position

Candidates for 7 in boxes 5 and 6 force the candidates in box 4 to be in the remaining line.

Multiple Lines

Either candidate for cell (1,4) forces 3 into cell (2,9).

Forcing Chains

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 7 is the only value possible in cell (5,4).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 9 is the only value possible in cell (7,3).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate