Daily Sudoku Answer 

The full reasoning can be found below the Sudoku.

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R6C7 can only be <6>

R6C3 can only be <5>

R4C7 can only be <8>

R6C6 can only be <2>

R4C3 can only be <6>

R1C8 is the only square in row 1 that can be <4>

R1C9 is the only square in row 1 that can be <2>

R5C9 can only be <9>

R5C8 can only be <2>

R9C9 can only be <3>

R9C1 can only be <5>

R1C2 is the only square in row 1 that can be <5>

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

R2C7 is the only square in row 2 that can be <3>

Squares R5C1 and R5C2 in row 5 form a simple naked pair. These 2 squares both contain the 2 possibilities <37>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R5C4 - removing <37> from <378> leaving <8>

R5C5 - removing <7> from <1678> leaving <168>

R5C6 - removing <3> from <136> leaving <16>

Squares R7C2<149>, R7C3<189>, R8C3<18> and R9C2<149> in block 7 form a comprehensive naked quad. These 4 squares can only contain the 4 possibilities <1489>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R8C1 - removing <8> from <368> leaving <36>

R8C2 - removing <14> from <1346> leaving <36>

Intersection of column 1 with block 1. The value <8> only appears in one or more of squares R1C1, R2C1 and R3C1 of column 1. These squares are the ones that intersect with block 1. Thus, the other (non-intersecting) squares of block 1 cannot contain this value.

R3C3 - removing <8> from <189> leaving <19>

R3C8 is the only square in row 3 that can be <8>

R2C9 can only be <7>

R8C9 can only be <8>

R3C7 can only be <1>

R3C3 can only be <9>

R2C8 can only be <6>

R8C3 can only be <1>

R2C1 can only be <8>

R3C4 can only be <3>

R2C2 can only be <1>

R3C6 can only be <6>

R4C4 can only be <4>

R3C2 can only be <7>

R5C6 can only be <1>

R1C5 can only be <8>

R4C5 can only be <5>

R7C4 can only be <7>

R4C6 can only be <3>

R5C5 can only be <6>

R7C6 can only be <5>

R7C7 can only be <4>

R6C4 can only be <9>

R8C7 can only be <7>

R8C5 can only be <4>

R8C8 can only be <5>

R7C3 can only be <8>

R7C2 can only be <9>

R9C5 can only be <1>

R9C8 can only be <9>

R9C2 can only be <4>

R7C8 can only be <1>

R1C1 can only be <6>

R2C5 can only be <9>

R6C5 can only be <7>

R5C2 can only be <3>

R5C1 can only be <7>

R8C2 can only be <6>

R8C1 can only be <3>

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