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 

Apr 18 VH

 
Post new topic   Reply to topic    dailysudoku.com Forum Index -> Daily Sudoku puzzles
View previous topic :: View next topic  
Author Message
ZeroAssoluto



Joined: 05 Feb 2017
Posts: 940
Location: Rimini, Italy

PostPosted: Thu Apr 18, 2024 9:47 am    Post subject: Apr 18 VH Reply with quote

Hi everyone,

Code:

+-----------+----------+-----------+
| 8  4 5    | 7   3  6 | 1  9  2   |
| 7  2 6    | 8   1  9 | 4  5  3   |
| 3  1 9    | 45  45 2 | 8  7  6   |
+-----------+----------+-----------+
| 9  5 24   | 1   6  3 | 7  24 8   |
| 24 7 8    | 249 49 5 | 6  3  1   |
| 6  3 1    | 24  8  7 | 9  24 5   |
+-----------+----------+-----------+
| 24 9 2347 | 6   57 1 | 35 8  47  |
| 5  6 47   | 3   79 8 | 2  1  479 |
| 1  8 37   | 59  2  4 | 35 6  79  |
+-----------+----------+-----------+

Play this puzzle online at the Daily Sudoku site

Quote:

XY-Wing 5,7,9 in r7c5,r9c49 and -7 in r7c9
or
W-Wing 4,7 in r7c9,r8c3 SL with number 7 in r9c39 and -4 in r7c13,r8c9
or
W-Wing 4,7 in r7c9,r8c3 SL with number 7 in r78c5 and -4 in r7c13,r8c9
.


Ciao Gianni
Back to top
View user's profile Send private message
Greenvilleguy



Joined: 01 Jul 2022
Posts: 24
Location: US

PostPosted: Mon Apr 22, 2024 12:30 pm    Post subject: Reply with quote

Did anyone solve this by anything other than trial? I see that R7C9 cannot be a 7, because of the way it relates to R7C5, R9C4 and R9C9; but it don't know why.
Back to top
View user's profile Send private message
glesco



Joined: 12 May 2022
Posts: 36

PostPosted: Mon Apr 22, 2024 4:30 pm    Post subject: Reply with quote

It is an XY-Wing. if you highlight ZeroAssoluto's quote, there are that and a couple of other solution
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    dailysudoku.com Forum Index -> Daily Sudoku 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