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 

Puzzle 10/05/28: (C) Advanced

 
Post new topic   Reply to topic    dailysudoku.com Forum Index -> Puzzles by daj
View previous topic :: View next topic  
Author Message
daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Fri May 28, 2010 4:13 pm    Post subject: Puzzle 10/05/28: (C) Advanced Reply with quote
Code:
 +-----------------------+
 | 2 . 8 | 5 . . | 9 . 3 |
 | . 6 . | . . 9 | . . 5 |
 | 5 . 3 | . . . | . . . |
 |-------+-------+-------|
 | 4 . . | 9 3 . | . . . |
 | . . . | 8 2 7 | 3 . . |
 | . 3 . | . 1 4 | 7 . . |
 |-------+-------+-------|
 | 3 . . | . 9 1 | 8 . . |
 | . . . | . . . | . 1 . |
 | 1 7 . | . . . | . . 9 |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site
Back to top
View user's profile Send private message
peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Fri May 28, 2010 6:13 pm    Post subject: Reply with quote
Two steps - no "almosts"

Quote:
Type 1 UR(47); r3c8<>47
xy-wing(2-47) r7c8 transport (2)r8c2-r4c2=r4c7; r8c23<>2, r6c9<>2
(same move is an xy-chain)
Back to top
View user's profile Send private message
tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Sat May 29, 2010 2:23 am    Post subject: Reply with quote
Looks like the same as Peter............

Quote:
AUR47 r13c58
As a Type 3 UR, we have ss(6*r34c8; r7c8<>6
As a Type 1 UR, we have r3c8<>47

xy-wing -247 with vertex 47 in r7c8; r7c2<>2
Plus transport: (2)r8c9 - r6c9 = r4c7 - r4c2 = r6c3; r89c3<>2

Ted
Back to top
View user's profile Send private message
Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sun May 30, 2010 8:19 pm    Post subject: Reply with quote
DP 25-26-56 in boxes 789 can be killed by a 9 in r8c3 or 4 in r89c7. Either way, r4c7=2.
Back to top
View user's profile Send private message
daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sun May 30, 2010 8:36 pm    Post subject: Reply with quote
Marty: Impressive DP Exclamation
Back to top
View user's profile Send private message
storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Sun May 30, 2010 9:52 pm    Post subject: Reply with quote
UR
xy-wing
kite
skyscraper
gets it to here.

Code:
.---------------.---------------.---------------.
| 2    1    8   | 5    47   6   | 9    47   3   |
| 7    6    4   | 3    8    9   | 1    2    5   |
| 5    9    3   | 1    47   2   | 46   68   78  |
:---------------+---------------+---------------:
| 4    28   7   | 9    3    5   | 26   68   1   |
| 6    5    1   | 8    2    7   | 3    9    4   |
| 89   3    29  | 6    1    4   | 7    5    28  |
:---------------+---------------+---------------:
| 3    24   5   | 24-7 9    1   | 8   (47)  6   |
| 89   48   69  |(47)  56   3   | 245  1    27  |
| 1    7    26  | 2(4) 56   8   |(4)5  3    9   |
'---------------'---------------'---------------'

w-wing {4,7} to finish
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    dailysudoku.com Forum Index -> Puzzles by daj 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