Nov 23 - Hard
Puzzle Copyright © Kevin Stone
Share link – www.brainbashers.com
Reasoning
R1C1 can only be <9>
R1C5 can only be <6>
R1C8 can only be <3>
R1C2 can only be <1>
R8C3 is the only square in row 8 that can be <4>
Squares R2C3 and R7C3 in column 3 form a simple naked pair. These 2 squares both contain the 2 possibilities <38>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.
R5C3 - removing <8> from <189> leaving <19>
Squares R2C4 and R3C4 in column 4 form a simple naked pair. These 2 squares both contain the 2 possibilities <27>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.
R4C4 - removing <27> from <2367> leaving <36>
R5C4 - removing <7> from <57> leaving <5>
R6C4 - removing <27> from <23567> leaving <356>
R6C8 is the only square in row 6 that can be <5>
R8C7 is the only square in column 7 that can be <5>
R8C9 is the only square in row 8 that can be <1>
R2C7 is the only square in column 7 that can be <6>
R3C7 is the only square in column 7 that can be <2>
R3C4 can only be <7>
R2C4 can only be <2>
Squares R5C3 and R5C7 in row 5 form a simple naked pair. These 2 squares both contain the 2 possibilities <19>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.
R5C5 - removing <19> from <1789> leaving <78>
R5C6 - removing <9> from <789> leaving <78>
Squares R2C5 and R3C5 in column 5 form a simple naked pair. These 2 squares both contain the 2 possibilities <89>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.
R4C5 - removing <89> from <1234789> leaving <12347>
R5C5 - removing <8> from <78> leaving <7>
R6C5 - removing <9> from <123479> leaving <12347>
R5C6 can only be <8>
R8C5 can only be <3>
R7C3 is the only square in row 7 that can be <3>
R2C3 can only be <8>
R2C5 can only be <9>
R3C2 can only be <5>
R2C8 can only be <4>
R3C5 can only be <8>
R2C1 can only be <7>
R3C9 can only be <9>
R3C1 can only be <4>
R9C2 can only be <6>
R9C9 can only be <2>
R9C8 can only be <9>
R8C2 can only be <8>
R4C8 can only be <7>
R9C5 can only be <5>
R7C9 can only be <7>
R2C2 can only be <3>
R6C1 can only be <6>
R6C4 can only be <3>
R4C1 can only be <8>
R6C9 can only be <4>
R4C4 can only be <6>
R4C9 can only be <3>
R8C8 can only be <6>
R4C2 can only be <2>
R7C1 can only be <5>
R8C6 can only be <7>
R7C8 can only be <8>
R7C5 can only be <2>
R6C2 can only be <7>
R4C6 can only be <9>
R4C7 can only be <1>
R6C6 can only be <2>
R4C5 can only be <4>
R5C7 can only be <9>
R5C3 can only be <1>
R6C5 can only be <1>
R7C6 can only be <6>
R6C3 can only be <9>
Today's Sudoku Puzzles
All daily items change at midnight GMT – set your local time zone.
Note: BrainBashers has a Dark Mode option – I recommend not using your browser's dark mode or extensions for BrainBashers