Step-by-Step Solution

for Wednesday 23rd July Tricky

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

Single Candidate

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

Single Position

For column 8, Number 9 is only possible in cell (8,4)

Single Position

For row 4, number 8 is only possible in cell (5,4)

Single Position

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

Single Position

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

Single Position

For row 6, number 7 is only possible in cell (5,6)

Single Position

For column 2, Number 5 is only possible in cell (2,6)

Single Position

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 6 is the only value possible in cell (7,5).

Single Candidate

For row 1, number 3 is only possible in cell (8,1)

Single Position

For row 1, number 6 is only possible in cell (5,1)

Single Position

For row 2, number 6 is only possible in cell (8,2)

Single Position

For row 1, number 5 is only possible in cell (9,1)

Single Position

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

Single Candidate

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

Single Candidate

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

Single Position

For row 1, number 2 is only possible in cell (7,1)

Single Position

Naked Pair for 3 and 4, can remove these as candidates from other cells.

Naked Pairs

Naked Pair for 1 and 4, can remove these as candidates from other cells.

Naked Pairs

Hidden Pair for 6 and 7, can remove other candidates from these cells.

Hidden Pairs

For column 3, Number 9 is only possible in cell (3,5)

Single Position

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (1,7).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 2 is the only value possible in cell (3,8).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 4 is the only value possible in cell (2,8).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate