Advanced methods and approaches for solving Sudoku puzzles
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- L2 - Wings: examples and exemplar {2 digit - 3 strong links}
by StrmCkr » Sat Dec 27, 2014 12:38 am
- 2 Replies
- 3314 Views
- Last post by denis_berthier
Mon Dec 29, 2014 6:02 am
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- Exocet 2014_09 Discussion #1
by daj95376 » Fri Sep 12, 2014 2:49 am
- 14 Replies
- 1939 Views
- Last post by JC Van Hay
Thu Sep 18, 2014 7:57 pm
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- Exocet 2014_09 Discussion #2
by daj95376 » Wed Sep 17, 2014 4:28 am
- 1 Replies
- 1545 Views
- Last post by champagne
Wed Sep 17, 2014 5:46 pm
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- I would like to post a problem with X and XY cycle
by Chano » Tue Sep 16, 2014 5:56 pm
- 0 Replies
- 1383 Views
- Last post by Chano
Tue Sep 16, 2014 5:56 pm
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- exocet pattern in hardest puzzles
by champagne » Mon Jan 12, 2009 1:05 am
- 395 Replies
- 59044 Views
- Last post by champagne
Mon Sep 01, 2014 9:06 am
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- Exocet, JExocet, qExocet
by GouinJP » Wed Aug 13, 2014 10:46 am
- 1 Replies
- 1683 Views
- Last post by champagne
Wed Aug 13, 2014 6:28 pm
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- A specific application of Whips
by RichardGoodrich » Thu Nov 07, 2013 2:54 am
- 10 Replies
- 2500 Views
- Last post by denis_berthier
Fri Mar 28, 2014 9:12 am
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- New method to solve Sudoku
by harshgoel2k » Thu Oct 28, 2010 2:51 pm
- 21 Replies
- 20116 Views
- Last post by eleven
Mon Mar 03, 2014 9:20 pm
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- A Short Fish Story (amended)
by Sudtyro2 » Thu Jan 09, 2014 10:08 pm
- 9 Replies
- 1916 Views
- Last post by Sudtyro2
Wed Jan 15, 2014 12:45 pm
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- Xsudo logic: A how to guide
by sultan vinegar » Wed Sep 04, 2013 12:19 pm
- 11 Replies
- 3157 Views
- Last post by sultan vinegar
Thu Jan 02, 2014 2:28 am
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- Help with a proof?
by Sudtyro2 » Tue Nov 26, 2013 9:40 pm
- 16 Replies
- 3687 Views
- Last post by JC Van Hay
Sat Dec 07, 2013 2:05 pm
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- Denis Berhtier Whip 4dot1 in BigSudoku Python Code
by RichardGoodrich » Mon Nov 11, 2013 2:29 am
- 1 Replies
- 1582 Views
- Last post by RichardGoodrich
Mon Nov 11, 2013 4:13 pm
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- Understanding Denis Berthier Whips
by RichardGoodrich » Mon Nov 11, 2013 1:55 am
- 2 Replies
- 2656 Views
- Last post by RichardGoodrich
Mon Nov 11, 2013 3:39 am
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- Chain Notation in my Trace
by RichardGoodrich » Sun Nov 10, 2013 4:11 am
- 5 Replies
- 1842 Views
- Last post by RichardGoodrich
Sun Nov 10, 2013 11:54 pm
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- ALS notation
by Marty R. » Fri Oct 18, 2013 7:57 pm
- 4 Replies
- 1715 Views
- Last post by daj95376
Sun Oct 20, 2013 4:17 pm
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- a new (?) view of fish (naked or hidden)
by arcilla » Fri Nov 03, 2006 6:55 pm
- 85 Replies
- 35718 Views
- Last post by David P Bird
Sat Sep 21, 2013 11:31 pm
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- The NoFish List
by David P Bird » Thu Aug 22, 2013 9:46 pm
- 31 Replies
- 5709 Views
- Last post by David P Bird
Thu Sep 12, 2013 2:19 pm
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- Would you call this pattern an exocet?
by sultan vinegar » Thu Aug 29, 2013 1:07 am
- 6 Replies
- 1688 Views
- Last post by sultan vinegar
Fri Aug 30, 2013 10:36 am
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- Fish Bones
by David P Bird » Mon Aug 19, 2013 11:11 am
- 0 Replies
- 2481 Views
- Last post by David P Bird
Mon Aug 19, 2013 11:11 am
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- Rating rules / Puzzles. Ordering the rules
by denis_berthier » Sun Mar 30, 2008 10:01 am
- 148 Replies
- 41105 Views
- Last post by denis_berthier
Mon Aug 12, 2013 4:40 pm
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- About the arithmetic of Ultimate Fish
by Obi-Wahn » Thu Feb 01, 2007 9:52 pm
- 29 Replies
- 12661 Views
- Last post by blue
Wed Aug 07, 2013 10:24 am
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- Finned X-Wing With Empty Rectangle
by civiliza » Fri Aug 02, 2013 10:00 am
- 4 Replies
- 1898 Views
- Last post by civiliza
Mon Aug 05, 2013 12:17 pm
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- Sudoku on paper without pencilmarks
by Shazbot » Fri Dec 02, 2005 6:36 am
- 42 Replies
- 20351 Views
- Last post by Smythe Dakota
Sun Aug 04, 2013 4:50 pm
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- Using Multi-Sector Locked Sets
by David P Bird » Thu Jun 27, 2013 10:13 pm
- 40 Replies
- 8254 Views
- Last post by champagne
Wed Jul 31, 2013 3:26 pm
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- The Sudoku grey zone
by denis_berthier » Mon May 13, 2013 10:05 am
- 30 Replies
- 15745 Views
- Last post by denis_berthier
Fri Jul 26, 2013 7:33 am
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- exotic patterns below the potential hardest
by champagne » Sat Jun 22, 2013 5:44 am
- 26 Replies
- 3844 Views
- Last post by champagne
Mon Jul 15, 2013 7:57 am
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- Will an XY Chain Always Produce A Turbot?
by civiliza » Thu Jul 11, 2013 1:45 pm
- 5 Replies
- 1692 Views
- Last post by daj95376
Fri Jul 12, 2013 5:12 pm
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- An Almost APE?
by Sudtyro2 » Fri Jun 07, 2013 3:09 pm
- 3 Replies
- 1611 Views
- Last post by eleven
Sun Jun 09, 2013 10:32 am
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- Pattern-based classification of (hard) puzzles
by denis_berthier » Tue Mar 20, 2012 10:03 am
- 96 Replies
- 19894 Views
- Last post by denis_berthier
Sun Jun 02, 2013 4:06 am
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- Non-standard pencil marks
by dokusan » Thu Jan 03, 2013 1:08 am
- 8 Replies
- 3131 Views
- Last post by RichardGoodrich
Fri May 03, 2013 3:46 am
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- x-cycle, y-cycle & 3D-Medusa
by Jeff » Tue Dec 13, 2005 2:32 pm
- 33 Replies
- 13465 Views
- Last post by RichardGoodrich
Wed May 01, 2013 3:49 am
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- New Elimination for 3D Medusa(?) with an ALS
by mturner » Fri Mar 15, 2013 4:26 am
- 20 Replies
- 5241 Views
- Last post by daj95376
Mon Mar 18, 2013 6:39 am
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- Sint Probability
by weng » Fri Feb 22, 2013 6:09 pm
- 3 Replies
- 1855 Views
- Last post by weng
Fri Mar 01, 2013 7:22 pm
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- Question about Forcing Chains
by ArkieTech » Sat Jan 26, 2013 4:59 pm
- 8 Replies
- 1680 Views
- Last post by daj95376
Sun Jan 27, 2013 1:08 am
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- Some thoughts on Eureka notation
by ArkieTech » Sat Jan 05, 2013 4:15 pm
- 9 Replies
- 2350 Views
- Last post by ArkieTech
Mon Jan 07, 2013 1:09 pm
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- X cycles
by HockeyDad » Thu Dec 27, 2012 6:26 pm
- 1 Replies
- 2268 Views
- Last post by JasonLion
Thu Dec 27, 2012 10:03 pm
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- Sharks - a Truth Balancing Method
by David P Bird » Sun Apr 01, 2012 11:37 am
- 56 Replies
- 8630 Views
- Last post by David P Bird
Fri Jul 27, 2012 10:29 am
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- Templates with UAs (UnAvoidable Sets)
by ronk » Tue Jul 10, 2012 6:45 pm
- 12 Replies
- 1873 Views
- Last post by daj95376
Fri Jul 13, 2012 3:27 pm
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- Reverse BUG-lite
by RW » Mon Oct 16, 2006 11:15 am
- 15 Replies
- 9584 Views
- Last post by RW
Mon Jun 11, 2012 8:19 pm
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- Small patterns
by Red Ed » Sun May 20, 2012 11:27 am
- 9 Replies
- 1754 Views
- Last post by Red Ed
Mon May 21, 2012 6:48 pm
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