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 

Nov 24 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: 872
Location: Rimini, Italy
PostPosted: Fri Nov 24, 2023 9:50 am    Post subject: Nov 24 VH Reply with quote
Hi everyone,

Code:

+--------+----------+------------+
| 2 1 6  | 3  79  4 | 578 59 78  |
| 9 5 7  | 68 68  1 | 2   3  4   |
| 3 4 8  | 5  79  2 | 17  19 6   |
+--------+----------+------------+
| 6 8 3  | 1  2   7 | 9   4  5   |
| 5 7 4  | 68 368 9 | 18  12 238 |
| 1 2 9  | 4  38  5 | 6   7  38  |
+--------+----------+------------+
| 4 6 12 | 9  15  3 | 57  8  27  |
| 7 9 5  | 2  4   8 | 3   6  1   |
| 8 3 12 | 7  15  6 | 4   25 9   |
+--------+----------+------------+

Play this puzzle online at the Daily Sudoku site

Quote:

XY-Wing 1,7,8 in r1c9,r35c7 and -8 in r1c7,r56c9
or
XYZ-Wing 5,7,8 in r1c79,r7c7 and -7 in r3c7


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



Joined: 30 Oct 2020
Posts: 349
Location: Wales
PostPosted: Sat Nov 25, 2023 9:35 am    Post subject: Reply with quote
Remove <5> from r1c7, r9c8 to solve
Code:

+--------+----------+---------------+
| 2 1 6  | 3  79  4 | x578 d59  78  |
| 9 5 7  | 68 68  1 |  2    3   4   |
| 3 4 8  | 5  79  2 | b17  c19  6   |
+--------+----------+---------------+
| 6 8 3  | 1  2   7 |  9    4   5   |
| 5 7 4  | 68 368 9 |  18   12  238 |
| 1 2 9  | 4  38  5 |  6    7   38  |
+--------+----------+---------------+
| 4 6 12 | 9  15  3 | a57   8   27  |
| 7 9 5  | 2  4   8 |  3    6   1   |
| 8 3 12 | 7  15  6 |  4   x25  9   |
+--------+----------+---------------+

Quote:
XY chain abcd (57-17-19-59) gives pincers of <5> in a + d to remove <5> from x
Back to top
View user's profile Send private message
Greenvilleguy



Joined: 01 Jul 2022
Posts: 24
Location: US
PostPosted: Sat Nov 25, 2023 2:10 pm    Post subject: Reply with quote
Also, Y wing in R1C9, R3C7, R5C7 removes <8> from R1C7.

Interestingly, a 3 must be in R5C5 or you would have a rectangle of "68'S", which is not allowed in a solvable puzzle.
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