Advanced methods and approaches for solving Sudoku puzzles
-
- A question on 3D medusa coloring elimination rules
by surbier » Thu Jul 01, 2010 5:42 am
- 0 Replies
- 1666 Views
- Last post by surbier
Thu Jul 01, 2010 5:42 am
-
- non-ALS vwxyz-wing
by surbier » Wed May 26, 2010 6:20 pm
- 6 Replies
- 2140 Views
- Last post by surbier
Wed Jun 23, 2010 11:40 am
-
- Ultimate Lizard Guide
by tarek » Sun May 23, 2010 12:53 am
- 2 Replies
- 1844 Views
- Last post by tarek
Sun May 23, 2010 12:55 am
-
- Challenge: New set of 11 'Unsolvables'
by AndrewStuart » Wed Sep 13, 2006 4:50 pm
- 103 Replies
- 65880 Views
- Last post by BrianS
Sun May 17, 2009 10:47 am
-
- Bi-directional cycle + Unique Rectangle Typ 2
by claudiarabia » Mon May 04, 2009 8:04 pm
- 16 Replies
- 3369 Views
- Last post by DonM
Tue May 05, 2009 7:27 pm
-
- missing deduction for xyt chains
by surbier » Sun May 03, 2009 4:46 pm
- 17 Replies
- 3417 Views
- Last post by DonM
Mon May 04, 2009 10:33 pm
-
- BUG1 or BUG4 or not at all?
by claudiarabia » Thu Aug 21, 2008 7:56 am
- 7 Replies
- 2514 Views
- Last post by daj95376
Sat May 02, 2009 4:52 pm
-
- Restricted Common Adjacency Rules
by hobiwan » Thu Apr 02, 2009 1:11 am
- 46 Replies
- 11258 Views
- Last post by hobiwan
Fri May 01, 2009 7:04 pm
-
- XY-wing
by EkMetz53 » Mon Apr 20, 2009 8:46 pm
- 2 Replies
- 2121 Views
- Last post by EkMetz53
Tue Apr 21, 2009 7:50 pm
-
- ALS Chains -A Tutorial ASI#3
by DonM » Fri Nov 07, 2008 8:38 am
- 70 Replies
- 21449 Views
- Last post by ronk
Sun Apr 05, 2009 5:00 pm
-
- TNU
by Neunmalneun » Tue Mar 31, 2009 5:30 pm
- 10 Replies
- 2074 Views
- Last post by eleven
Wed Apr 01, 2009 9:05 pm
-
- ALS chains with overlap/cannibalism
by PIsaacson » Sun Feb 15, 2009 3:00 am
- 108 Replies
- 22688 Views
- Last post by PIsaacson
Fri Mar 27, 2009 4:40 am
-
- Expanded XY-Chain Patterns
by Bud » Thu Mar 19, 2009 11:58 pm
- 17 Replies
- 3836 Views
- Last post by Bud
Mon Mar 23, 2009 7:21 pm
-
- UR Type 5 Example
by hobiwan » Mon Mar 23, 2009 12:32 am
- 0 Replies
- 1565 Views
- Last post by hobiwan
Mon Mar 23, 2009 12:32 am
-
- Obscured: Unique Rectangle:
by StrmCkr » Mon Mar 16, 2009 5:46 am
- 12 Replies
- 2356 Views
- Last post by StrmCkr
Tue Mar 17, 2009 12:21 am
-
- Did I do this right?
by EnderGT » Wed Mar 11, 2009 4:27 am
- 20 Replies
- 3901 Views
- Last post by ronk
Sun Mar 15, 2009 11:27 pm
-
- 2 ER-Linked ALS-XZ Example
by Bud » Sun Mar 15, 2009 12:56 am
- 1 Replies
- 1714 Views
- Last post by aran
Sun Mar 15, 2009 4:18 am
-
- GUG or GLOG or what ?
by sarker306 » Fri Mar 13, 2009 5:51 pm
- 1 Replies
- 1583 Views
- Last post by ronk
Fri Mar 13, 2009 11:42 pm
-
- Sky - Wings (biplane) { Edit: rediscoverd (W-wing)}
by StrmCkr » Wed Feb 25, 2009 5:44 pm
- 9 Replies
- 2347 Views
- Last post by StrmCkr
Mon Mar 09, 2009 6:11 pm
-
- An ER-Linked XY-Wing Example
by Bud » Sat Mar 07, 2009 6:58 am
- 1 Replies
- 1694 Views
- Last post by Luke
Sat Mar 07, 2009 11:00 am
-
- Full Tagging
by champagne » Thu Sep 13, 2007 8:23 am
- 44 Replies
- 22334 Views
- Last post by champagne
Thu Mar 05, 2009 4:04 pm
-
- Asymmetric Sudoku
by yugal » Wed Mar 04, 2009 2:10 am
- 3 Replies
- 4310 Views
- Last post by m_b_metcalf
Wed Mar 04, 2009 3:13 pm
-
- Is this a new technique?
by RobO » Mon Feb 16, 2009 8:57 pm
- 33 Replies
- 6959 Views
- Last post by DonM
Mon Mar 02, 2009 9:53 am
-
- y-chain/unique loop combination
by RobO » Sun Mar 01, 2009 5:29 pm
- 13 Replies
- 2211 Views
- Last post by ronk
Mon Mar 02, 2009 9:52 am
-
- Nice Loop Question (again)
by hobiwan » Sat Dec 13, 2008 3:13 am
- 25 Replies
- 5143 Views
- Last post by hobiwan
Mon Feb 23, 2009 5:30 pm
-
- More Monster Loops, Structure and Symmetry
by Allan Barker » Sat Jan 17, 2009 2:15 am
- 21 Replies
- 6965 Views
- Last post by ronk
Sun Feb 22, 2009 11:29 pm
-
- Two-Sector Disjoint Subsets
by Sue De Coq » Tue Oct 25, 2005 12:44 am
- 38 Replies
- 57396 Views
- Last post by ronk
Mon Feb 16, 2009 7:27 am
-
- Double value X-Wing
by RobReeve » Mon Feb 16, 2009 3:20 am
- 2 Replies
- 1761 Views
- Last post by RobReeve
Mon Feb 16, 2009 7:04 am
-
- AIC's net equivalent to forcing net
by champagne » Fri Nov 07, 2008 9:47 am
- 79 Replies
- 19002 Views
- Last post by ttt
Sat Feb 07, 2009 11:40 pm
-
- Solving with Almost Sue De Coq: Extreme #122 (ASI#2d)
by DonM » Sun Jan 25, 2009 2:08 pm
- 2 Replies
- 2438 Views
- Last post by DonM
Mon Jan 26, 2009 5:16 am
-
- Solving with Almost Sue De Coq: Extreme #118 (ASI#2c)
by DonM » Sun Jan 25, 2009 1:19 pm
- 2 Replies
- 2341 Views
- Last post by DonM
Mon Jan 26, 2009 4:00 am
-
- POM: vulnerable triplet cells
by surbier » Fri Jan 09, 2009 8:22 am
- 4 Replies
- 2539 Views
- Last post by surbier
Thu Jan 22, 2009 3:23 am
-
- Sue De Coq Revisited Again (ASI#1)
by DonM » Sun Oct 26, 2008 3:27 pm
- 73 Replies
- 23157 Views
- Last post by hobiwan
Wed Jan 21, 2009 4:33 pm
-
- Can someone simplify Sue de Cog for me?
by stumble » Thu Jan 15, 2009 4:38 am
- 2 Replies
- 1894 Views
- Last post by aran
Thu Jan 15, 2009 10:49 am
-
- almost-locked ranges?
by Bob Hanson » Sat Jan 03, 2009 7:38 pm
- 3 Replies
- 2015 Views
- Last post by David P Bird
Tue Jan 13, 2009 10:17 pm
-
- DIC Chains
by Gee » Mon Jan 05, 2009 2:58 pm
- 1 Replies
- 1738 Views
- Last post by daj95376
Tue Jan 06, 2009 6:13 am
-
- Almost Fishes patterns
by champagne » Sun Nov 30, 2008 11:44 pm
- 49 Replies
- 11214 Views
- Last post by Allan Barker
Mon Jan 05, 2009 3:32 am
-
- Great Monster Loops
by Allan Barker » Sat Oct 25, 2008 6:03 am
- 39 Replies
- 10423 Views
- Last post by Allan Barker
Sun Jan 04, 2009 2:12 am
-
- XY & Extended XY-Wing/Complementary cells Example
by Bud » Mon Nov 24, 2008 2:41 pm
- 10 Replies
- 2868 Views
- Last post by Luke
Fri Jan 02, 2009 7:30 pm
-
- Sashimi conjecture
by Bob Hanson » Fri Jan 02, 2009 3:06 am
- 2 Replies
- 1812 Views
- Last post by Bob Hanson
Fri Jan 02, 2009 6:59 am
Return to Board index
Who is online
Users browsing this forum: No registered users and 1 guest
Forum permissions
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 post attachments in this forum