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Sudoku Xtra magazine, written by Gareth Moore
Sudoku Xtra 22
magazine
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Comments and Results for 'Nurikabe 19'

StateTypeTitleSizePlayedAvg timeRating (#users)YoursYour bestPublishedExpires
UnplayedNurikabeNurikabe 1912x121395:28Easy (105)Subscribers only28th Jul-
Show full chart rankings for Nurikabe 19
Your puzzle statistics First solution time distribution Overall puzzle statistics
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Slowest 10% not shown
0:00
9:14

Solution time without 'show wrong'
Slowest 10% not shown
0:00
8:20

Unaided first solution time
Slowest 10% not shown
0:00
8:55
Completed by129 users
Best time without any aid1:32 by joshuazucker
Best time with minor aid3:31 by wynbert
Best time with major aid3:52 by rainbowbritew
Best time with show wrong
or multiple sessions
1:07 by tmcogan
Average solve time with no or minor aid5:33
Average rating - all players2.4/10.0
Average rating - no aid1.2/10.0
Average rating - minor aid2.7/10.0
Average rating - major aid2.1/10.0
Average rating - show wrong or
multiple sessions
2.7/10.0
10 comments (Add new comment)
Posted 28th Jul 2012 at 11:07
Rachel Daily subscriber Rated puzzle: Easy Completion time: 3:44
Still having to guess most of these puzzles, can't work out a logical way to complete them. Any hints welcome.
Posted 28th Jul 2012 at 15:22
knubster Daily subscriber Rated puzzle: Hard Completion time: 6:10
Rachel, I'm with you on these. I start with adding the easy black squares then end up staring at them for a while and then make a guess. With this one, though, I noticed that the only way to get one of the four squares in the bottom right hand corner to be white was with the 18. I worked from there and, although it took a while, I used logic the rest of the way to complete. With the fast times others achieve on these, I feel like I'm missing some very obvious logic.
Posted 30th Jul 2012 at 00:07
gareth Administrator Daily subscriber Rated puzzle: Easy Completion time: 1:16
Here's a solution video I just recorded - it should play in the browser on Chrome, Safari and maybe some other browsers.

Gareth

Posted 30th Jul 2012 at 00:08
gareth Administrator Daily subscriber Rated puzzle: Easy Completion time: 1:16
Oh, and it should work on iPhone, iPad, iPod Touch, etc
Posted 30th Jul 2012 at 00:10
gareth Administrator Daily subscriber Rated puzzle: Easy Completion time: 1:16
Please let me know if this was useful to you - if no one says it was then I won't ever bother again. :)
Posted 30th Jul 2012 at 03:49
joshuazucker Daily subscriber Rated puzzle: Easy Completion time: 1:32
That was nice! It was gratifying to see how similar it was to my solution path. It would be great if you could add a little voice-over ... or make the site record things like this for everyone's solves so we can watch how people do it! I'm sure those features would be a *lot* harder to implement though.
Posted 30th Jul 2012 at 15:39
gareth Administrator Daily subscriber Rated puzzle: Easy Completion time: 1:16
I thought about a commentary but I'd have to get set up to do that - I don't have a mic plugged into my computer I use for puzzlemix for a start. Glad it was useful though - that path is the path I used when I made the puzzle, so that's definitely my intended solution method. :)
Posted 31st Jul 2012 at 12:49
kocos Rated puzzle: Easy Completion time: 4:47
Finally finished one with pure logic.
Posted 1st Aug 2012 at 14:49
knubster Daily subscriber Rated puzzle: Hard Completion time: 6:10
Thanks Gareth, that helped. Not sure why, but I think I'm slow with the "all shaded areas must be connected" rule. Perhaps the shaded areas in my brain are unconnected. I need more practice - give us some more please!
Posted 2nd Aug 2012 at 09:41
Rachel Daily subscriber Rated puzzle: Easy Completion time: 3:44
Indeed thanks Gareth, that video helped massively - I think I now get the bit that I was missing, will go back and try all the others.
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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".
  • If a puzzle is opened more than once, including by loading from a saved position, then this is potentially a significant aid so it is listed as being completed with 'multiple sessions' for the purpose of the best time/average rating displays above.
  • Minor aid is defined as no more than one use of 'Check solution' when incomplete and/or no more than one use of 'Check solution' when wrong; and/or using highlighting aids (show repeated digits, show broken inequalities and show valid/invalid placements [slitherlink] only). Major aid is any and all other use of the solving aids except for 'show wrong'.

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