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## CHAT LOG for Thursday, January 4, 2007

12:41 am
WHB

Done
3:06 am
bauski

go
4:18 am
bzikofski

this one is hard
5:56 am
szeek

go
6:14 am
szeek

done
7:31 am
Moozey

done...have a good day all
7:34 am
Andy

done. needed greens to find the obvious. Have a great day
8:50 am
drwho

Difficulty score 21. Cross hatching and region intersection analysis will do it. You shouldn't need the green or red.
9:02 am
gman

TO-- drwho -- how do you determine the "difficulty score"??
9:06 am
drwho

The difficulty score is generated by a progam I wrote to solve and analyze Sudoku puzzles.
9:08 am
drwho

The score is intended to indicate how long it might take you.
9:08 am
drwho

An interesting experiment would be for someone to see if there is a correlation between the time it takes for them to solve each puzzle and the difficulty score.
9:10 am
gman

Thanx for the quick response. There might be a correlation to the # of minutes required??
9:11 am
drwho

In theory, if it takes you about 10 minutes to solve today's 21, then yesterday's 13 might take you about 6 minutes.
9:12 am
elara6

I don't usually have the luxury of doing a puzzle without distractions, so can't really say it corrolates much to how long it takes me (hard to judge), but I really appreciate having the scores. If there's a puzzle that I thought was tough, but it has a low score, I know I prob. missed something obvious, so will watch better next time. :)
9:14 am
drwho

I your case elara6 it would indicate the time you spend on the puzzle between distractions :-).
9:14 am
elara6

well, yes, but hard to measure. ;)
9:15 am
drwho

Oops... IN your case...
9:16 am
drwho

I haven't tried to measure the correlation for myself yet, I am not disciplined enough to look at the clock when I start and finish, so I don't know exactly how long any puzzle takes.
9:17 am
bangping

*waves at elara6*
9:18 am
drwho

But, maybe if I collected data from some of the people who do the start... finished! messages I could get some correlation statistics. Hmmm.
9:18 am
gwenski

Note to self: Remember to *never* do start...finish messages. :)
9:18 am
gman

I find an 'evil' puzzle from websudoku.com takes me about 20 minutes to complete. That's on paper with some special tick marks I use.
9:18 am
elara6

Hiya, Bangping :)
9:19 am
elara6

Well, either way, just wanted to say I really appreciate the scores, drwho. :)
9:20 am
drwho

Thanks, and you're welcome.
9:52 am
hokie carla

drwho: what is the scale? today is a 21 out of what?
12:52 pm
sneeu

it's like an IronSudoku meet-up in here
12:53 pm
hurshy

mmm, well it IS iron sudoku...
12:53 pm
sneeu

in my house ;)
12:53 pm
hurshy

oh, are lots of people playing in your house?
12:54 pm
sneeu

ah, just me now.
12:54 pm
hurshy

just me in my house too.
12:57 pm
hurshy

well that was a very nice polite little grid.
12:58 pm
Stephanie

Hi
12:58 pm
hurshy

h'lo
1:05 pm
sneeu

pop - there she goes
1:07 pm
hurshy

the weasel?
1:07 pm
sneeu

the puzzle :)
1:13 pm
Stephanie

finally!
1:15 pm
eyeman

finally, as well. Tough medium.
1:16 pm
eyeman

Hi Hurshy. Thanks for that tricky hint a couple of weeks ago.
1:42 pm
hurshy

oh, oh dear, i went away. well eyeman, i hope you did figure it out eventually
1:42 pm
hurshy

but you probably won't see that.
1:43 pm
torgone

He might ..
2:25 pm
Minski

Done! Only one guess required.
3:12 pm
Zugzug7

Whoa... I don't like guessing. Have to start all over if I'm wrong.
4:09 pm
Twin C

it took me entirely too long to finish. no greens though. all brain. brain like swiss cheese.
4:10 pm
redshoes

mmmmm cheeeeeeeese
4:17 pm
torgone

Mmmm . . . braaaiiinnsss
4:30 pm
redshoes

been using my brains today to try to wade through the archives a little bit
4:31 pm
bunnyvicious

Should use your red shoes...
4:31 pm
redshoes

me and my red shoes? nothing can please us.
4:31 pm
torgone

It gets kind of deep back there ..
4:41 pm
bunnyvicious

Took waaay to long, I'm fried. Back to the wifely and mother of five chores, hoo rah.
4:42 pm
helenkeller

go
5:02 pm
helenkeller

done
5:03 pm
helenkeller

wow - way too long - but i still have 1/2 my reuben left, yay
5:04 pm
torgone

Sharing? ...
5:06 pm
mamabear

can I have the pickle?
5:08 pm
torgone

You asking helen or me??
5:08 pm
mamabear

ummmmm...... will start with helen
5:10 pm
torgone

Hey, I have left over kraut . . .Think I'll make some reubens . . .
5:10 pm
mamabear

my daughter ordered a stuffed pizza from Giordano's for us for our birthdays today!!!
5:11 pm
torgone

HAPPY BIRTHDAYS!!!!!!!!!!!!!!!!!!
5:11 pm
mamabear

and because she felt sorry for me because I am home sick today
5:12 pm
mamabear

thank you torg!!!!
5:12 pm
redshoes

Merry Day of Births!
5:12 pm
mamabear

thanks redshoes!
5:13 pm
mamabear

happy new year to y'all!
5:13 pm
torgone

Hope you feel better - pizza should help ..
5:13 pm
mamabear

can't hurt!
6:46 pm
brittlefish.com

go
7:01 pm
brittlefish.com

done
7:04 pm
Playwoman

You're a whiz, brittle. This one's not "flowing" for me
7:44 pm
brittlefish.com

hmmm, i thought it was kind of easy compared to some mediums here lately
7:45 pm
Playwoman

I think it has a lot to do with what methods you use, and which discoveries you make early in the game.
7:47 pm
brittlefish.com

just did normal obvious fill-ins, then in the 3 centermost columns something was forced a bit... kind of plodding and walking around the board just got it done.
7:48 pm
Playwoman

Hmmm.... I don't suppose the glass of champagne helped my cause any...
7:48 pm
brittlefish.com

i wish i knew how some of these yayhoos solved the recent expert with no greens and no guesses.
7:48 pm
brittlefish.com

:)
7:49 pm
Playwoman

Steel trap minds. Keen memories. Agressive left brains.
7:49 pm
Playwoman

;)
7:52 pm
Playwoman

Well, I finally got it, but it's not a happy victory.
8:03 pm
btwrt

i'm trying to solve that recent expert without greens or guesses ... dunno if it's gonna work out tho ;)
8:06 pm
brittlefish.com

congrats playwoman!
8:06 pm
brittlefish.com

btwrt - smarty pants
8:06 pm
brittlefish.com

:)
10:21 pm
Playwoman

I'm working on archives. Didn't do many puzzles during the holidays.
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