Advanced methods and approaches for solving Sudoku puzzles
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- Fully supersymmetric chains
by denis_berthier » Wed Aug 15, 2007 5:31 am
- 210 Replies
- 65873 Views
- Last post by JasonLion
Sat Mar 26, 2011 12:29 pm
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- Alternating Inference Chains
by Myth Jellies » Sat Apr 15, 2006 6:23 am
- 40 Replies
- 47365 Views
- Last post by JasonLion
Wed Mar 23, 2011 6:59 pm
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- SwordFish Question
by kenr77 » Sat Mar 19, 2011 10:26 pm
- 1 Replies
- 792 Views
- Last post by JasonLion
Sun Mar 20, 2011 2:07 am
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- What technique is this?
by thomas129 » Mon Feb 07, 2011 6:46 pm
- 2 Replies
- 824 Views
- Last post by RW
Tue Feb 08, 2011 10:51 am
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- BUG + 1 Not working
by JeJ » Tue Jan 18, 2011 3:22 am
- 7 Replies
- 1024 Views
- Last post by Pat
Mon Jan 24, 2011 1:00 pm
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- what's this solving technique
by docjohn » Fri Jan 07, 2011 7:25 pm
- 5 Replies
- 742 Views
- Last post by docjohn
Tue Jan 11, 2011 4:53 am
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- Why won't this BUG- Lite work?
by thomas129 » Sun Jan 09, 2011 8:27 pm
- 1 Replies
- 723 Views
- Last post by daj95376
Sun Jan 09, 2011 8:44 pm
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- Is this a BUG-Lite ?
by ronk » Mon Dec 20, 2010 11:22 pm
- 2 Replies
- 846 Views
- Last post by RW
Tue Dec 21, 2010 8:42 am
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- Expanded Uniqueness Type?
by EnderGT » Mon Nov 29, 2010 5:45 pm
- 2 Replies
- 851 Views
- Last post by EnderGT
Mon Nov 29, 2010 6:57 pm
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- Solving Hardest Puzzles
by champagne » Wed Jul 28, 2010 9:41 am
- 10 Replies
- 1466 Views
- Last post by StrmCkr
Fri Nov 05, 2010 5:18 pm
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- Uniqueness Type 6 - UR meets X-Wing
by Ruud » Fri Mar 31, 2006 2:06 pm
- 122 Replies
- 83816 Views
- Last post by StrmCkr
Thu Oct 21, 2010 12:40 am
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- Hidden rectangles: old hat revisited
by StrmCkr » Tue Oct 19, 2010 10:07 am
- 2 Replies
- 942 Views
- Last post by StrmCkr
Wed Oct 20, 2010 5:45 am
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- Solution to Ocean's #4/gold
by gurth » Fri Nov 17, 2006 9:13 am
- 14 Replies
- 4414 Views
- Last post by gurth
Sun Sep 12, 2010 3:17 pm
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- Quantums
by Luke » Fri Aug 20, 2010 4:18 pm
- 31 Replies
- 2538 Views
- Last post by JasonLion-Admin
Sun Sep 05, 2010 3:59 pm
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- ALS-xz with set overlap
by ronk » Sun Sep 05, 2010 2:37 pm
- 29 Replies
- 1651 Views
- Last post by JasonLion-Admin
Sun Sep 05, 2010 3:56 pm
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- Advanced ALS Chains -A Tutorial ASI#3b
by DonM » Sun Sep 05, 2010 3:10 pm
- 15 Replies
- 3317 Views
- Last post by JasonLion-Admin
Sun Sep 05, 2010 3:54 pm
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- An alternative way to solve the hard 17 clue
by eleven » Mon May 24, 2010 11:25 pm
- 19 Replies
- 1912 Views
- Last post by SteveK
Sat Jul 31, 2010 8:18 am
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- A question on 3D medusa coloring elimination rules
by surbier » Thu Jul 01, 2010 5:42 am
- 0 Replies
- 1026 Views
- Last post by surbier
Thu Jul 01, 2010 5:42 am
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- non-ALS vwxyz-wing
by surbier » Wed May 26, 2010 6:20 pm
- 6 Replies
- 1160 Views
- Last post by surbier
Wed Jun 23, 2010 11:40 am
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- Ultimate Lizard Guide
by tarek » Sun May 23, 2010 12:53 am
- 2 Replies
- 1099 Views
- Last post by tarek
Sun May 23, 2010 12:55 am
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- Challenge: New set of 11 'Unsolvables'
by AndrewStuart » Wed Sep 13, 2006 4:50 pm
- 103 Replies
- 59184 Views
- Last post by BrianS
Sun May 17, 2009 10:47 am
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- Bi-directional cycle + Unique Rectangle Typ 2
by claudiarabia » Mon May 04, 2009 8:04 pm
- 16 Replies
- 2009 Views
- Last post by DonM
Tue May 05, 2009 7:27 pm
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- missing deduction for xyt chains
by surbier » Sun May 03, 2009 4:46 pm
- 17 Replies
- 1998 Views
- Last post by DonM
Mon May 04, 2009 10:33 pm
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- BUG1 or BUG4 or not at all?
by claudiarabia » Thu Aug 21, 2008 7:56 am
- 7 Replies
- 1706 Views
- Last post by daj95376
Sat May 02, 2009 4:52 pm
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- Restricted Common Adjacency Rules
by hobiwan » Thu Apr 02, 2009 1:11 am
- 46 Replies
- 7191 Views
- Last post by hobiwan
Fri May 01, 2009 7:04 pm
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- XY-wing
by EkMetz53 » Mon Apr 20, 2009 8:46 pm
- 2 Replies
- 1413 Views
- Last post by EkMetz53
Tue Apr 21, 2009 7:50 pm
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- ALS Chains -A Tutorial ASI#3
by DonM » Fri Nov 07, 2008 8:38 am
- 70 Replies
- 14730 Views
- Last post by ronk
Sun Apr 05, 2009 5:00 pm
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- TNU
by Neunmalneun » Tue Mar 31, 2009 5:30 pm
- 10 Replies
- 1238 Views
- Last post by eleven
Wed Apr 01, 2009 9:05 pm
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- ALS chains with overlap/cannibalism
by PIsaacson » Sun Feb 15, 2009 3:00 am
- 108 Replies
- 14140 Views
- Last post by PIsaacson
Fri Mar 27, 2009 4:40 am
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- Expanded XY-Chain Patterns
by Bud » Thu Mar 19, 2009 11:58 pm
- 17 Replies
- 2429 Views
- Last post by Bud
Mon Mar 23, 2009 7:21 pm
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- UR Type 5 Example
by hobiwan » Mon Mar 23, 2009 12:32 am
- 0 Replies
- 983 Views
- Last post by hobiwan
Mon Mar 23, 2009 12:32 am
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- Obscured: Unique Rectangle:
by StrmCkr » Mon Mar 16, 2009 5:46 am
- 12 Replies
- 1596 Views
- Last post by StrmCkr
Tue Mar 17, 2009 12:21 am
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- Did I do this right?
by EnderGT » Wed Mar 11, 2009 4:27 am
- 20 Replies
- 2571 Views
- Last post by ronk
Sun Mar 15, 2009 11:27 pm
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- 2 ER-Linked ALS-XZ Example
by Bud » Sun Mar 15, 2009 12:56 am
- 1 Replies
- 1054 Views
- Last post by aran
Sun Mar 15, 2009 4:18 am
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- GUG or GLOG or what ?
by sarker306 » Fri Mar 13, 2009 5:51 pm
- 1 Replies
- 982 Views
- Last post by ronk
Fri Mar 13, 2009 11:42 pm
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- Sky - Wings (biplane) { Edit: rediscoverd (W-wing)}
by StrmCkr » Wed Feb 25, 2009 5:44 pm
- 9 Replies
- 1629 Views
- Last post by StrmCkr
Mon Mar 09, 2009 6:11 pm
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- An ER-Linked XY-Wing Example
by Bud » Sat Mar 07, 2009 6:58 am
- 1 Replies
- 1102 Views
- Last post by Luke
Sat Mar 07, 2009 11:00 am
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- Full Tagging
by champagne » Thu Sep 13, 2007 8:23 am
- 44 Replies
- 18244 Views
- Last post by champagne
Thu Mar 05, 2009 4:04 pm
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- Asymmetric Sudoku
by yugal » Wed Mar 04, 2009 2:10 am
- 3 Replies
- 3121 Views
- Last post by m_b_metcalf
Wed Mar 04, 2009 3:13 pm
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- Is this a new technique?
by RobO » Mon Feb 16, 2009 8:57 pm
- 33 Replies
- 4630 Views
- Last post by DonM
Mon Mar 02, 2009 9:53 am
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