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Comments and Results for 'Odd Pair Sudoku 53'

StateTypeTitleSizePlayedAvg timeRating (#users)YoursYour best
UnplayedOdd PairOdd Pair Sudoku 539x93228:46Moderate (22)--
Show full chart rankings for Odd Pair Sudoku 53
Your puzzle statistics First solution time distribution Overall puzzle statistics
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Slowest 10% not shown
0:00
41:04

Solution time without 'show wrong'
0:00
41:04

Unaided first solution time
0:00
41:04
Completed by28 users
Best first time10:05 by ben467
Best first time without 'Show wrong'14:20 by haggis99
Best first time without any aids15:20 by laylaartemis
Average difficulty rating - all players2.4/10.0
Average difficulty rating - solved & no aids5.5/10.0
Average difficulty rating - solved with assistants1.7/10.0
Average difficulty rating - solved & show wrong2.7/10.0
Average solve time without aids28:12
Show new ranking method times
(for those completing on or after 4th July 2012)
3 comments (Add new comment)
Posted 13th Aug 2012 at 21:34
Elisabeth Daily subscriber Rated puzzle: Hard Completion time: 33:50 Used 'show wrong moves'
'Easy' does not seem to tally with the time it is taking people to do this one. Where do 'mild and 'tricky' come in the pecking order? We don't get given these options. Assume it is easy, mild, moderate, tricky, hard. Very easy to make a mistake with no means of finding where one went wrong except by use of 'show wrong' which always gives me a sense of failure! Also, difficult to disentangle all the possible digits in any one square even whilst obeying all the rules.
Posted 13th Aug 2012 at 23:51
gareth Administrator Daily subscriber Has not played this puzzle yet
Easy < Mild < Moderate < Tricky < Hard < Fiendish

Users can choose easy, moderate or hard and the others are based on equal division of the ratings count into sixths once it is averaged. In fact it's clear I should bias this to make the easy band narrower and the hard band wider.

Until several months ago puzzles were rated on a scale of 1 to 10, but 99% of users never selected anything other than 1, 2 or 3 when rating a puzzle - or occasionally 10. The 4, 5, 6, 7, 8, 9 were not used, essentially. So I simplified it to easy, moderate, hard.

Other sites such as Youtube have switched to an even simpler "good" or "bad" (thumbs up/thumbs down, for example) - it turns out the only way to get useful ratings is to make the choice very simple and then use the maths of it to work out what it really means on the basis of many people choosing.

Gareth, puzzlemix

Posted 13th Aug 2012 at 23:54
Last edited by gareth 13th Aug 2012 at 23:58
gareth Administrator Daily subscriber Has not played this puzzle yet
And also to say, there is definitely a big psychological part in the easy/moderate/hard selection that varies depending on the player, before you even consider varying experience and expectations. (And of course relative difficulties depend on what you're comparing against too).

One thing would be to try pictures instead of words, e.g. stars or happy/unhappy faces - but it isn't obvious what the best choice would be. Stars really need a caption, so if you label 1 star easy and 3 stars hard that hasn't helped; and faces may not be so clear in meaning.

Any ideas, anyone? (If you do, please feel free to start a new topic in the 'Discussion forum' - only those who have this puzzle set can comment here).

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Key

  • A yellow/light blue highlight in the time distribution charts highlights your time, where relevant.
  • Rating scores out of 10.0 show the average difficulty rating chosen by users, where 1.0 is "Easy" and 10.0 is "Hard".

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