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 

Set NNP_2 Puzzle 21 -- 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 Feb 20, 2009 8:43 am    Post subject: Set NNP_2 Puzzle 21 -- Advanced Reply with quote
Code:
 +-----------------------+
 | 4 . . | 1 . . | . . . |
 | . 8 1 | 3 . 9 | . . 6 |
 | . 6 3 | 4 8 . | . . . |
 |-------+-------+-------|
 | 6 2 8 | 7 3 . | 9 . . |
 | . . 4 | 8 . . | 3 . . |
 | . 9 . | . . 4 | 6 . . |
 |-------+-------+-------|
 | . . . | 2 4 8 | 5 . . |
 | . . . | . . . | . 6 . |
 | . 1 . | . . . | . . 2 |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site

===== ===== ===== ===== ===== ===== ===== ===== ===== Ratings are Accumulative

Basics: Naked/Hidden Single, Naked Pair/Triple, Locked Candidate 1/2

Basics+: Naked Quad, Hidden Pair/Triple/Quad

VH: BUG+1, UR Type 1, X-Wing, XY-Wing, XYZ-Wing

VH+: 2-String Kite, Empty Rectangle, Remote Pair, Skyscraper, Colors, UR Type 2, finned/Sashimi X-Wing

Advanced: Multiple Colors, Swordfish, M-Wing, W-Wing, XY-Chain

Extreme: Jellyfish, (but mostly) Chain
Back to top
View user's profile Send private message
wapati



Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.
PostPosted: Fri Feb 20, 2009 2:45 pm    Post subject: Reply with quote
I tried to make it just VH+ but couldn't.
Shortest is a W-wing.
Next shortest is an xyz-wing followed by a 4-cell xy-chain.

It simplifies a long way before any tricks are needed!
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