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 

Feb 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: 941
Location: Rimini, Italy
PostPosted: Thu Feb 18, 2021 9:08 am    Post subject: Feb 18 VH Reply with quote
Hi everyone,

Code:

+-------------+------------+-----------+
| 467 8   467 | 5  1   2   | 9  3  67  |
| 567 567 3   | 89 789 4   | 68 1  2   |
| 1   2   9   | 6  78  3   | 58 57 4   |
+-------------+------------+-----------+
| 46  3   8   | 7  2   5   | 46 9  1   |
| 457 1   47  | 3  689 89  | 45 2  68  |
| 9   56  2   | 4  68  1   | 7  58 3   |
+-------------+------------+-----------+
| 2   79  1   | 89 4   6   | 3  78 5   |
| 3   679 67  | 2  5   789 | 1  4  789 |
| 8   4   5   | 1  3   79  | 2  6  79  |
+-------------+------------+-----------+

Play this puzzle online at the Daily Sudoku site

XY-Wing 5,7,8 in r3c58,r6c8 and -8 in r6c5

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



Joined: 06 May 2007
Posts: 46
PostPosted: Sun Feb 28, 2021 6:09 pm    Post subject: Reply with quote
Code:

+-------------+------------+------------+
| 467 8   467 | 5  1   2   | 9  3   67  |
| 567 567 3   | 89 789 4   | 68 1   2   |
| 1   2   9   | 6  78  3   | 58 57  4   |
+-------------+------------+------------+
| 469 3   8   | 7  2   5   | 46 69  1   |
| 457 1   47  | 3  69  89  | 45 2   689 |
| 569 56  2   | 4  689 1   | 7  589 3   |
+-------------+------------+------------+
| 2   79  1   | 89 4   6   | 3  789 5   |
| 3   679 67  | 2  5   789 | 1  4   789 |
| 8   4   5   | 1  3   79  | 2  6   79  |
+-------------+------------+------------+

I need some help. Here is where I ended up. I cannot figure out how to boil it down further to what you show. Please help. Thanks
Back to top
View user's profile Send private message
ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Sun Feb 28, 2021 7:44 pm    Post subject: Reply with quote
Hi Jeff,

r9c8 = 6 so r4c8 = 9
and you can get to the situation I show where to use the xy-wing

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



Joined: 06 May 2007
Posts: 46
PostPosted: Sun Feb 28, 2021 10:34 pm    Post subject: Reply with quote
Wow! I can't believe that I missed that. Many thanks,

Jeff
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