Author |
Message |
Topic: Help, Please, With Solution Technique for a Difficult Puzzle |
Paladin
Replies: 4
Views: 29535
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Forum: Other puzzles Posted: Thu May 08, 2008 3:43 pm Subject: Help, Please, with Solution Technique for a Difficult Puzzle |
Thank you, Victor, for your help with "colouring" and your XY wing solution. Hopefully I can get this colouring technique down as I study your explanation.
Thank you, Keith, for your ref ... |
Topic: Help, Please, With Solution Technique for a Difficult Puzzle |
Paladin
Replies: 4
Views: 29535
|
Forum: Other puzzles Posted: Wed May 07, 2008 4:12 pm Subject: Help, Please, With Solution Technique for a Difficult Puzzle |
This puzzle appeared in the May 3, 2008 issue of the St. Louis Post-Dispatch. The initial grid configuration was:
008009000500600030701000050400072000003000900000890006010000607070004001000900500
... |
Topic: 10/17/06 Daily Puzzle: More "Coloring" |
Paladin
Replies: 6
Views: 38719
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Forum: Daily Sudoku puzzles Posted: Wed Oct 18, 2006 9:28 pm Subject: 10/17/06 Daily Puzzle: More "Coloring" |
+------------------------+-------------------------+-----------------------------+ | | | | | 2 168 158- | 3 ... |
Topic: October 6, 2006 Daily Puzzle and Contradictions |
Paladin
Replies: 1
Views: 18996
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Forum: Daily Sudoku puzzles Posted: Tue Oct 17, 2006 6:04 pm Subject: October 6, 2006 Daily Puzzle and Contradictions |
+------------------------+---------------------------+-------------------------------+ | | | | | 7 8 1 ... |
Topic: "Coloring" |
Paladin
Replies: 5
Views: 39415
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Forum: Other puzzles Posted: Tue Oct 17, 2006 5:22 pm Subject: "Coloring" |
Thank you all very much for your comments. I am very grateful for your assistance, clarifications and comments.
Paladin |
Topic: "Coloring" |
Paladin
Replies: 5
Views: 39415
|
Forum: Other puzzles Posted: Mon Oct 16, 2006 9:44 pm Subject: "Coloring" |
+----------------------+------------------------------+---------------------------+ | | | | | 6 8 2* | 1,3, ... |
Topic: What is this technique/pattern called? |
Paladin
Replies: 8
Views: 46007
|
Forum: Other puzzles Posted: Mon May 08, 2006 9:46 pm Subject: What is this technique/pattern called? |
ravel,
Thank you very much for taking the time to share your Sudoku knowledge and expertise with us. I understand that you have indicated that a three value, three cell “chain” (configured as: xy, x ... |
Topic: What is this technique/pattern called? |
Paladin
Replies: 8
Views: 46007
|
Forum: Other puzzles Posted: Sun May 07, 2006 12:22 am Subject: What is this technique/pattern called? |
Dear David and Marty:
Thank you for your responses.
It seems that I may have confused this issue because I did not arrive at my conclusions, in either case, with reference to the “corner” analysis t ... |
Topic: What is this technique/pattern called? |
Paladin
Replies: 8
Views: 46007
|
Forum: Other puzzles Posted: Thu May 04, 2006 9:31 pm Subject: What is this technique/pattern called? |
This puzzle appeared at www.onlysudoku.com.
+------------+-----------+------------+ | . . . | . 1 . | . 2 . | | | | | | . 3 . | 4 . . | 5 . ... |
Topic: 4/30/06 Puzzle: Aha! The Infamous "Finned" X-wing? |
Paladin
Replies: 7
Views: 41556
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Forum: Daily Sudoku puzzles Posted: Tue May 02, 2006 5:52 pm Subject: 4/30/06 Puzzle: Aha! The Infamous "Finned" X-wing? |
This puzzle appeared on April 30, 2006 at www.dailysudoku.com:
+------------+-----------+------------+ | . 7 8 | 4 . . | . . . | | | | | | . . . | . ... |
Topic: "Finned" X-wing rule |
Paladin
Replies: 12
Views: 61973
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Forum: Other puzzles Posted: Fri Apr 28, 2006 5:50 pm Subject: "Finned" X-wing rule |
Thank you all so very much for your responses.
I guess I was so anxious to find some exotic solution to this puzzle that I did not even notice either: the 2,6 pair in row 9; or the fact that r7c9, r8 ... |
Topic: "Finned" X-wing rule |
Paladin
Replies: 12
Views: 61973
|
Forum: Other puzzles Posted: Thu Apr 27, 2006 6:04 pm Subject: "Finned" X-wing rule |
This puzzle appeared at www.onlysudoku.com.
+------------+-----------+------------+ | . . . | . 1 . | . 2 . | | | | | | . 3 . | 4 . . | 1 . ... |
Topic: Way Beyond Me! |
Paladin
Replies: 2
Views: 24018
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Forum: Other puzzles Posted: Sun Apr 23, 2006 10:11 pm Subject: Way Beyond Me! |
The puzzle set forth below came from this address:
http://www.intosudoku.com/viewpuzzle.php?puzzle=.8.....7.4..8.7..2..75.19..2.......6.7.....1.9.......3..97.62..5..3.8..7.6.....4.
Although the puzz ... |
Topic: 02/19/06 Daily Sudocue.net Nightmare |
Paladin
Replies: 14
Views: 91350
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Forum: Other puzzles Posted: Wed Feb 22, 2006 7:18 pm Subject: 02/19/06 Daily Sudocue.net Nightmare |
I could use some help with this puzzle. Although www.sudokusolver.co.uk indicates that this puzzles is only rated at 1252 (which means that it shouldn't be that hard to solve if you can apply an adva ... |
Topic: 2/8/06 Daily Puzzle: What next? |
Paladin
Replies: 6
Views: 47964
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Forum: Other puzzles Posted: Fri Feb 10, 2006 10:35 pm Subject: 2/8/06 Daily Puzzle: What next? |
Start Grid: 02/08/06 Sudocue.net Daily Puzzle
..1|.8.|.47 ..3|... |... 6..|1..|... --------------------- .1. |.7.|86. ... |...|... .75|.4.|.1. --------------------- ... |..5|. 3 ... |... |2.. 18.|. ... |
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