skip to main content




Daily Sudoku Answer 



BrainBashers doesn't show adverts, and I continue to depend on the ongoing support from everyone who enjoys the site.

Please consider supporting BrainBashers [hide]
Loading

X

Loading

Nov 07 - Super Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s049000



Reasoning 



R1C2 can only be <9>

R8C1 can only be <8>

R2C1 can only be <6>

R5C1 can only be <9>

R2C9 is the only square in row 2 that can be <1>

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

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

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

R7C3 is the only square in row 7 that can be <9>

Squares R3C2 and R3C3 in row 3 form a simple naked pair. These 2 squares both contain the 2 possibilities <35>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R3C6 - removing <5> from <567> leaving <67>

Squares R1C5 and R3C6 in block 2 form a simple naked pair. These 2 squares both contain the 2 possibilities <67>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R3C4 - removing <6> from <469> leaving <49>

Intersection of row 8 with block 8. The values <127> only appears in one or more of squares R8C4, R8C5 and R8C6 of row 8. These squares are the ones that intersect with block 8. Thus, the other (non-intersecting) squares of block 8 cannot contain these values.

R7C4 - removing <2> from <246> leaving <46>

R7C6 - removing <2> from <26> leaving <6>

R7C4 can only be <4>

R3C6 can only be <7>

R1C5 can only be <6>

R3C4 can only be <9>

R8C5 can only be <7>

R1C8 can only be <7>

R4C5 can only be <5>

R2C4 can only be <2>

R2C5 can only be <4>

R5C6 can only be <1>

R5C4 can only be <6>

R8C6 can only be <2>

R8C4 can only be <1>

R2C6 can only be <5>

R2C7 can only be <9>

R5C8 is the only square in row 5 that can be <5>

Squares R4C3<46>, R5C2<34> and R6C3<36> in block 4 form a comprehensive naked triplet. These 3 squares can only contain the 3 possibilities <346>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R4C2 - removing <4> from <148> leaving <18>

R6C2 - removing <3> from <138> leaving <18>

Squares R4C2, R6C2, R4C8 and R6C8 form a Type-3 Unique Rectangle on <18>. Upon close inspection, it is clear that:

(R4C8 or R6C8)<46> and R3C8<46> form a naked pair on <46> in column 8. No other squares in the column can contain these possibilities

R9C8 - removing <4> from <24> leaving <2>

(R4C8 or R6C8)<46>, R9C8<24> and R3C8<46> form a naked triplet on <246> in column 8. No other squares in the column can contain these possibilities

R7C8 - removing <2> from <28> leaving <8>

R7C7 can only be <5>

R9C2 can only be <4>

R7C2 can only be <2>

R5C2 can only be <3>

R8C3 can only be <5>

R5C9 can only be <4>

R3C2 can only be <5>

R6C3 can only be <6>

R8C9 can only be <3>

R6C8 can only be <1>

R4C3 can only be <4>

R6C2 can only be <8>

R4C8 can only be <6>

R3C3 can only be <3>

R8C7 can only be <4>

R4C7 can only be <8>

R3C8 can only be <4>

R6C7 can only be <3>

R4C2 can only be <1>

R3C7 can only be <6>



Today's Sudoku Puzzles 



All daily items change at midnight GMT – set your local time zone.

Note: BrainBashers has a Dark Mode setting.