dailysudoku.com Forum Index dailysudoku.com
Discussion of Daily Sudoku puzzles
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

freep / LA Times May 28

 
Post new topic   Reply to topic    dailysudoku.com Forum Index -> Other puzzles
View previous topic :: View next topic  
Author Message
nataraj



Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
PostPosted: Fri May 28, 2010 3:25 pm    Post subject: freep / LA Times May 28 Reply with quote
Code:

+-----------+-----------+-----------+
|  .  .  .  |  2  .  .  |  .  .  8  |
|  9  .  .  |  5  .  .  |  .  .  3  |
|  6  7  8  |  .  .  .  |  .  5  .  |
+-----------+-----------+-----------+
|  .  .  3  |  .  .  9  |  .  .  5  |
|  .  .  .  |  .  6  .  |  .  9  .  |
|  5  .  .  |  3  .  .  |  1  .  .  |
+-----------+-----------+-----------+
|  .  1  .  |  .  .  .  |  4  3  6  |
|  3  .  .  |  .  .  7  |  .  .  9  |
|  8  .  .  |  .  .  1  |  .  .  .  |
+-----------+-----------+-----------+


play online

2 solutions so far:
Quote:

two overlapping URs (28 and 27) set r6c8=6
or
m-wing (6) r9c3=r6c8 via SL (4) in row 2
Back to top
View user's profile Send private message Send e-mail Visit poster's website
Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Fri May 28, 2010 4:10 pm    Post subject: Reply with quote
I used Nataraj's first solution and I don't know if I've ever seen that before.
Back to top
View user's profile Send private message
keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Fri May 28, 2010 5:06 pm    Post subject: Reply with quote
If you only spot one of the UR's, you get to a BUG+1.

Keith
Back to top
View user's profile Send private message
nataraj



Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
PostPosted: Fri May 28, 2010 5:23 pm    Post subject: Reply with quote
yet another approach:

useless w-wing (7)r1c5=r4c4 can be transported -r4c7=r2c7 to remove 7 from r2c5 and r1c8.
Back to top
View user's profile Send private message Send e-mail Visit poster's website
Mogulmeister



Joined: 03 May 2007
Posts: 1151
PostPosted: Fri May 28, 2010 7:56 pm    Post subject: Reply with quote
Marty R. wrote:
I used Nataraj's first solution and I don't know if I've ever seen that before.


Well there's one very close by.....

http://www.dailysudoku.com/sudoku/forums/viewtopic.php?t=4671&sid=698901a7111ce22637edf4896f249e05
Back to top
View user's profile Send private message
Mogulmeister



Joined: 03 May 2007
Posts: 1151
PostPosted: Fri May 28, 2010 8:00 pm    Post subject: Reply with quote
XY Chain pincers at r2c5 r4c7 eliminates 7 from r2c7
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    dailysudoku.com Forum Index -> Other puzzles All times are GMT
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB © 2001, 2005 phpBB Group