Daily Sudoku Answer 

The full reasoning can be found below the Sudoku.

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R1C7 is the only square in row 1 that can be <2>

R2C2 is the only square in row 2 that can be <7>

R5C4 is the only square in row 5 that can be <9>

R5C6 is the only square in row 5 that can be <7>

R6C5 is the only square in row 6 that can be <2>

R7C8 is the only square in row 7 that can be <1>

R8C2 is the only square in row 8 that can be <2>

R8C4 is the only square in row 8 that can be <7>

R9C5 is the only square in row 9 that can be <1>

R5C2 is the only square in row 5 that can be <1>

R4C6 is the only square in row 4 that can be <1>

R3C2 is the only square in column 2 that can be <9>

R7C2 is the only square in column 2 that can be <5>

R2C6 is the only square in column 6 that can be <3>

R8C7 is the only square in column 7 that can be <3>

R5C1 is the only square in block 4 that can be <8>

R1C9 is the only square in column 9 that can be <8>

R2C3 is the only square in row 2 that can be <8>

Squares R4C2 and R4C4 in row 4 form a simple naked pair. These 2 squares both contain the 2 possibilities <46>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R4C5 - removing <46> from <3468> leaving <38>

R4C8 - removing <4> from <348> leaving <38>

Squares R8C5 and R8C6 in row 8 form a simple naked pair. These 2 squares both contain the 2 possibilities <58>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R8C8 - removing <5> from <459> leaving <49>

Intersection of row 2 with block 2. The value <4> only appears in one or more of squares R2C4, R2C5 and R2C6 of row 2. These squares are the ones that intersect with block 2. Thus, the other (non-intersecting) squares of block 2 cannot contain this value.

R1C5 - removing <4> from <456> leaving <56>

Intersection of column 5 with block 2. The value <6> only appears in one or more of squares R1C5, R2C5 and R3C5 of column 5. These squares are the ones that intersect with block 2. Thus, the other (non-intersecting) squares of block 2 cannot contain this value.

R2C4 - removing <6> from <456> leaving <45>

Squares R4C2, R4C4, R6C2 and R6C4 form a Type-1 Unique Rectangle on <46>.

R6C4 - removing <46> from <456> leaving <5>

R6C6 can only be <8>

R2C4 can only be <4>

R6C8 can only be <4>

R8C6 can only be <5>

R4C5 can only be <3>

R6C2 can only be <6>

R8C8 can only be <9>

R8C5 can only be <8>

R8C3 can only be <4>

R9C7 can only be <5>

R9C9 can only be <7>

R2C7 can only be <9>

R9C1 can only be <6>

R7C9 can only be <4>

R4C4 can only be <6>

R4C2 can only be <4>

R4C8 can only be <8>

R5C5 can only be <4>

R7C1 can only be <7>

R1C3 can only be <6>

R9C3 can only be <9>

R3C1 can only be <5>

R1C5 can only be <5>

R1C1 can only be <4>

R2C5 can only be <6>

R2C8 can only be <5>

R5C8 can only be <3>

R3C9 can only be <3>

R3C8 can only be <6>

R5C9 can only be <5>

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