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

Apr 26 - Super Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s296767



Reasoning 



R4C7 can only be <5>

R5C3 can only be <5>

R5C5 can only be <8>

R6C4 can only be <5>

R4C3 can only be <9>

R4C6 can only be <4>

R6C3 can only be <6>

R5C7 can only be <3>

R3C5 can only be <4>

R6C7 can only be <8>

R6C6 can only be <3>

R7C4 can only be <4>

R7C5 can only be <6>

R7C6 can only be <5>

R3C4 can only be <9>

R4C4 can only be <2>

R3C6 can only be <8>

R2C2 is the only square in row 2 that can be <5>

R3C9 is the only square in row 3 that can be <5>

Intersection of row 2 with block 3. The value <6> only appears in one or more of squares R2C7, R2C8 and R2C9 of row 2. These squares are the ones that intersect with block 3. Thus, the other (non-intersecting) squares of block 3 cannot contain this value.

R3C7 - removing <6> from <1267> leaving <127>

R3C8 - removing <6> from <367> leaving <37>

Intersection of column 9 with block 9. The value <3> only appears in one or more of squares R7C9, R8C9 and R9C9 of column 9. These squares are the ones that intersect with block 9. Thus, the other (non-intersecting) squares of block 9 cannot contain this value.

R7C8 - removing <3> from <378> leaving <78>

Squares R2C3 and R2C7 in row 2 and R8C3 and R8C7 in row 8 form a Simple X-Wing pattern on possibility <4>. All other instances of this possibility in columns 3 and 7 can be removed.

R1C3 - removing <4> from <1247> leaving <127>

R1C7 - removing <4> from <1247> leaving <127>

R9C3 - removing <4> from <347> leaving <37>

R9C7 - removing <4> from <467> leaving <67>

Squares R7C8<78>, R8C8<68> and R9C7<67> in block 9 form a comprehensive naked triplet. These 3 squares can only contain the 3 possibilities <678>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R7C7 - removing <7> from <279> leaving <29>

R8C7 - removing <6> from <469> leaving <49>

Squares R1C3 and R1C7 in row 1 and R9C3 and R9C7 in row 9 form a Simple X-Wing pattern on possibility <7>. All other instances of this possibility in columns 3 and 7 can be removed.

R3C3 - removing <7> from <1237> leaving <123>

R3C7 - removing <7> from <127> leaving <12>

R7C3 - removing <7> from <1378> leaving <138>

Squares R1C1 (XY), R7C1 (XZ) and R2C3 (YZ) form an XY-Wing pattern on <3>. All squares that are buddies of both the XZ and YZ squares cannot be <3>.

R7C3 - removing <3> from <138> leaving <18>

R9C3 - removing <3> from <37> leaving <7>

R3C1 - removing <3> from <136> leaving <16>

R9C7 can only be <6>

R7C2 can only be <9>

R2C7 can only be <4>

R8C8 can only be <8>

R2C3 can only be <3>

R8C7 can only be <9>

R1C9 can only be <2>

R7C7 can only be <2>

R8C2 can only be <6>

R7C9 can only be <3>

R3C7 can only be <1>

R7C1 can only be <1>

R9C9 can only be <4>

R3C2 can only be <7>

R8C3 can only be <4>

R7C8 can only be <7>

R9C1 can only be <3>

R1C3 can only be <1>

R2C8 can only be <6>

R3C8 can only be <3>

R3C1 can only be <6>

R3C3 can only be <2>

R1C7 can only be <7>

R7C3 can only be <8>

R1C1 can only be <4>



Today's Sudoku Puzzles 



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

Note: BrainBashers has a Dark Mode setting.