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 what are the hardest logic/number puzzles out there? 
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Posted on: Sun Mar 03, 2013 5:21 pm




Posts: 2210
Joined: Thu May 12, 2011 11:58 pm
Post Re: what are the hardest logic/number puzzles out there?
It'll also be interesting to check if the computed difficulty level correlates with
this "solved percentage", and at first glance it does (!)

From this I can tell you that today's 12x12 is also "up there" [omg]

Maybe there's a case to be made for a milder 12x12 on Thursday, and a harder one on Sunday?
(or the other way around?)


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Posted on: Sun Mar 03, 2013 7:11 pm




Posts: 165
Joined: Thu May 12, 2011 11:51 pm
Post Re: what are the hardest logic/number puzzles out there?
Today's 12x12 seemed to me more in the usual range of difficulty than Thursday's did. I'm surprised by today's computed level of difficulty.


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Posted on: Mon Mar 04, 2013 12:16 pm




Posts: 2210
Joined: Thu May 12, 2011 11:58 pm
Post Re: what are the hardest logic/number puzzles out there?
sjs34 wrote:
Today's 12x12 seemed to me more in the usual range of difficulty than Thursday's did. I'm surprised by today's computed level of difficulty.

Yes, so the numbers don't correlate perfectly.

Thu 28/2: 17.4%, rated 176

Sun 3/3: 24%, rated 185 (so for this one the rating should have been lower)

Initially I was counting the number of solved puzzles on the day itself only,
but this should really also include the next two days (presumably people
have more time on a Sunday to solve the puzzle on the day itself)

Here's a top 25, counting solutions on all three days:

Code:
[2012-03-04] [5.58]  x b/c March hits
[2013-02-14] [10.9]  x b/c subscribers only
[2013-01-27] [11.52]  ? may have been subscribers only, not sure
[2011-03-31] [12.03]
[2011-02-13] [12.67]
[2011-09-01] [13.21]
[2011-04-24] [13.79]
[2011-03-13] [14.15]
[2011-08-28] [14.54]
[2011-04-10] [14.98]
[2011-03-27] [15.18]
[2011-08-21] [15.61]
[2011-05-15] [15.66]
[2011-01-23] [15.66]
[2011-12-08] [16.16]
[2011-03-24] [16.41]
[2011-03-17] [16.72]
[2011-04-17] [16.94]
[2013-02-28] [17.2]
[2012-03-15] [17.27]
[2011-04-07] [17.39]
[2012-03-11] [17.42]
[2012-10-25] [17.62]
[2012-03-08] [18.06]
[2011-01-20] [18.07]


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Posted on: Wed Mar 06, 2013 4:12 pm




Posts: 2210
Joined: Thu May 12, 2011 11:58 pm
Post Re: what are the hardest logic/number puzzles out there?
If you're on Reddit, please vote up:

http://www.reddit.com/r/sudoku/comments ... out_there/

[thumbup]


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