Step-by-Step Solution

for Sunday 2nd August Tricky

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Position

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

Single Position

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

Single Position

For row 2, number 6 is only possible in cell (5,2)

Single Position

For column 5, Number 9 is only possible in cell (5,1)

Single Position

For row 2, number 3 is only possible in cell (7,2)

Single Position

For row 2, number 9 is only possible in cell (8,2)

Single Position

For box 4, candidates for 5 are all in column 1, so you can remove candidates from other blocks.

Candidate Lines

For box 6, candidates for 5 are all in column 9, so you can remove candidates from other blocks.

Candidate Lines

For box 8, candidates for 5 are all in column 4, so you can remove candidates from other blocks.

Candidate Lines

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

Multiple Lines

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

Single Candidate

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

Single Candidate

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

Single Position

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

Single Position

For column 5, Number 1 is only possible in cell (5,9)

Single Position

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

Single Candidate

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

Single Candidate

Naked Pair for 4 and 7, can remove these as candidates from other cells.

Naked Pairs

For column 9, Number 7 is only possible in cell (9,5)

Single Position

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

Multiple Lines

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

Single Candidate

Number 9 is the only value possible in cell (7,6).

Single Candidate

Number 2 is the only value possible in cell (7,5).

Single Candidate

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

Single Candidate

Number 2 is the only value possible in cell (1,7).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 6 is the only value possible in cell (8,5).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 7 is the only value possible in cell (6,4).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (6,5).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate