dailysudoku.com

[Sue]

I hope someone can help with the following

I've got so far, and the hint is for a 3 in (2,6)
389 267 451
000 100 087
000 008 000

005 020 193
930 015 020
162 039 805

000 900 500
450 001 000
697 540 018

[someone_somewhere]

you could continue like this:

6 not in r5c4, it has is in r4c4 or r4c6
2 not in r7c9, it has is in r8c7 or r8c9
2 not in r9c7, it has is in r8c7 or r8c9
3 in r9c7 - unique cell
2 in r9c6 - unique cell
3 in r2c6 3 in r3c8 3 in r7c3 3 in r8c4 - unique horizontal

[Sue]

I forgot to mention properly, this is from daily sudoku, August 9.
Its a hard one.
I can't find any naked triiples or doubles, and thats all I have in my limited repetoir of skills.
Thanks

[Sue]

Thanks, someone_somewhere.
Thats fantastic, only sudoku players know the buzz of learning something new (well, in sudoku anyway!)
I'd never considered that.

[someone_somewhere]