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Difficulty: Easy Monday, October 28, 2013

Not Completed Play This Puzzle

CHAT LOG for Monday, October 28, 2013

12:16 am
WHB

Done
1:36 am
kixx

go
1:57 am
kixx

done, no greens
4:12 am
MrOoijer

ng
5:37 am
tincup

done
6:23 am
GreyDragon

Go!
6:33 am
GreyDragon

Done.
8:17 am
Cinna

DONE
8:37 am
bzikofski

no straight solution. guessing necessary...
8:49 am
bzikofski

actually, take it back. heavy green use, but doable with no checkpoints needed.
11:12 am
Ed-was_here

Go
11:34 am
jackt

Guessing = onlycheatingURself Green is good. Gordon Getgrnokeydok
11:42 am
Ed-was_here

Done
11:43 am
janetb50

I like this kind of easy -- it unraveled slowly, but no greens or special techniques required. (I refuse to use greens on an easy, and will guess only on an expert. For a long time, I skipped the experts because I felt that guessing was cheating, and that I just needed to learn more advanced techniques.)
12:26 pm
helenkeller

go
12:40 pm
helenkeller

done
1:19 pm
zoomzoom

Done.
2:11 pm
UnikeTheHunter

Did it, no green, no guess. Some unique rectangles and virtual numbers. I'd call it a Medium.
2:28 pm
hurshy

janetb - you are right that you just need to learn - guessing isn't "cheating" but it's making things harder on yourself. track your "guess" with a forcing chain and then it's not really a guess anymore, and saves you time.
3:30 pm
digondda

what exactly is a 'forcing chain'?
3:30 pm
digondda

and a 'unique rectangle'?
5:38 pm
alfa8

done
10:34 pm
drwho

Difficulty score 33. No green.
10:38 pm
drwho

digondda: check out this website for answers to your questions:

http://www.sudokuwiki.org/