Advanced methods and approaches for solving Sudoku puzzles
-
- New method to solve Sudoku
by harshgoel2k » Thu Oct 28, 2010 2:51 pm
- 21 Replies
- 20068 Views
- Last post by eleven
Mon Mar 03, 2014 9:20 pm
-
- A Short Fish Story (amended)
by Sudtyro2 » Thu Jan 09, 2014 10:08 pm
- 9 Replies
- 1903 Views
- Last post by Sudtyro2
Wed Jan 15, 2014 12:45 pm
-
- Xsudo logic: A how to guide
by sultan vinegar » Wed Sep 04, 2013 12:19 pm
- 11 Replies
- 3137 Views
- Last post by sultan vinegar
Thu Jan 02, 2014 2:28 am
-
- Help with a proof?
by Sudtyro2 » Tue Nov 26, 2013 9:40 pm
- 16 Replies
- 3652 Views
- Last post by JC Van Hay
Sat Dec 07, 2013 2:05 pm
-
- Denis Berhtier Whip 4dot1 in BigSudoku Python Code
by RichardGoodrich » Mon Nov 11, 2013 2:29 am
- 1 Replies
- 1568 Views
- Last post by RichardGoodrich
Mon Nov 11, 2013 4:13 pm
-
- Understanding Denis Berthier Whips
by RichardGoodrich » Mon Nov 11, 2013 1:55 am
- 2 Replies
- 2630 Views
- Last post by RichardGoodrich
Mon Nov 11, 2013 3:39 am
-
- Chain Notation in my Trace
by RichardGoodrich » Sun Nov 10, 2013 4:11 am
- 5 Replies
- 1819 Views
- Last post by RichardGoodrich
Sun Nov 10, 2013 11:54 pm
-
- ALS notation
by Marty R. » Fri Oct 18, 2013 7:57 pm
- 4 Replies
- 1694 Views
- Last post by daj95376
Sun Oct 20, 2013 4:17 pm
-
- a new (?) view of fish (naked or hidden)
by arcilla » Fri Nov 03, 2006 6:55 pm
- 85 Replies
- 35610 Views
- Last post by David P Bird
Sat Sep 21, 2013 11:31 pm
-
- The NoFish List
by David P Bird » Thu Aug 22, 2013 9:46 pm
- 31 Replies
- 5646 Views
- Last post by David P Bird
Thu Sep 12, 2013 2:19 pm
-
- Would you call this pattern an exocet?
by sultan vinegar » Thu Aug 29, 2013 1:07 am
- 6 Replies
- 1675 Views
- Last post by sultan vinegar
Fri Aug 30, 2013 10:36 am
-
- Fish Bones
by David P Bird » Mon Aug 19, 2013 11:11 am
- 0 Replies
- 2450 Views
- Last post by David P Bird
Mon Aug 19, 2013 11:11 am
-
- Rating rules / Puzzles. Ordering the rules
by denis_berthier » Sun Mar 30, 2008 10:01 am
- 148 Replies
- 40814 Views
- Last post by denis_berthier
Mon Aug 12, 2013 4:40 pm
-
- About the arithmetic of Ultimate Fish
by Obi-Wahn » Thu Feb 01, 2007 9:52 pm
- 29 Replies
- 12607 Views
- Last post by blue
Wed Aug 07, 2013 10:24 am
-
- Finned X-Wing With Empty Rectangle
by civiliza » Fri Aug 02, 2013 10:00 am
- 4 Replies
- 1884 Views
- Last post by civiliza
Mon Aug 05, 2013 12:17 pm
-
- Sudoku on paper without pencilmarks
by Shazbot » Fri Dec 02, 2005 6:36 am
- 42 Replies
- 20295 Views
- Last post by Smythe Dakota
Sun Aug 04, 2013 4:50 pm
-
- Using Multi-Sector Locked Sets
by David P Bird » Thu Jun 27, 2013 10:13 pm
- 40 Replies
- 8157 Views
- Last post by champagne
Wed Jul 31, 2013 3:26 pm
-
- The Sudoku grey zone
by denis_berthier » Mon May 13, 2013 10:05 am
- 30 Replies
- 15652 Views
- Last post by denis_berthier
Fri Jul 26, 2013 7:33 am
-
- exotic patterns below the potential hardest
by champagne » Sat Jun 22, 2013 5:44 am
- 26 Replies
- 3808 Views
- Last post by champagne
Mon Jul 15, 2013 7:57 am
-
- Will an XY Chain Always Produce A Turbot?
by civiliza » Thu Jul 11, 2013 1:45 pm
- 5 Replies
- 1683 Views
- Last post by daj95376
Fri Jul 12, 2013 5:12 pm
-
- An Almost APE?
by Sudtyro2 » Fri Jun 07, 2013 3:09 pm
- 3 Replies
- 1598 Views
- Last post by eleven
Sun Jun 09, 2013 10:32 am
-
- Pattern-based classification of (hard) puzzles
by denis_berthier » Tue Mar 20, 2012 10:03 am
- 96 Replies
- 19611 Views
- Last post by denis_berthier
Sun Jun 02, 2013 4:06 am
-
- Non-standard pencil marks
by dokusan » Thu Jan 03, 2013 1:08 am
- 8 Replies
- 3113 Views
- Last post by RichardGoodrich
Fri May 03, 2013 3:46 am
-
- x-cycle, y-cycle & 3D-Medusa
by Jeff » Tue Dec 13, 2005 2:32 pm
- 33 Replies
- 13412 Views
- Last post by RichardGoodrich
Wed May 01, 2013 3:49 am
-
- New Elimination for 3D Medusa(?) with an ALS
by mturner » Fri Mar 15, 2013 4:26 am
- 20 Replies
- 5219 Views
- Last post by daj95376
Mon Mar 18, 2013 6:39 am
-
- Sint Probability
by weng » Fri Feb 22, 2013 6:09 pm
- 3 Replies
- 1843 Views
- Last post by weng
Fri Mar 01, 2013 7:22 pm
-
- Question about Forcing Chains
by ArkieTech » Sat Jan 26, 2013 4:59 pm
- 8 Replies
- 1665 Views
- Last post by daj95376
Sun Jan 27, 2013 1:08 am
-
- Some thoughts on Eureka notation
by ArkieTech » Sat Jan 05, 2013 4:15 pm
- 9 Replies
- 2326 Views
- Last post by ArkieTech
Mon Jan 07, 2013 1:09 pm
-
- X cycles
by HockeyDad » Thu Dec 27, 2012 6:26 pm
- 1 Replies
- 2250 Views
- Last post by JasonLion
Thu Dec 27, 2012 10:03 pm
-
- Sharks - a Truth Balancing Method
by David P Bird » Sun Apr 01, 2012 11:37 am
- 56 Replies
- 8545 Views
- Last post by David P Bird
Fri Jul 27, 2012 10:29 am
-
- Templates with UAs (UnAvoidable Sets)
by ronk » Tue Jul 10, 2012 6:45 pm
- 12 Replies
- 1851 Views
- Last post by daj95376
Fri Jul 13, 2012 3:27 pm
-
- Reverse BUG-lite
by RW » Mon Oct 16, 2006 11:15 am
- 15 Replies
- 9547 Views
- Last post by RW
Mon Jun 11, 2012 8:19 pm
-
- Small patterns
by Red Ed » Sun May 20, 2012 11:27 am
- 9 Replies
- 1745 Views
- Last post by Red Ed
Mon May 21, 2012 6:48 pm
-
- The famility of Chain Strategies/Techniques
by dino_hsu_1019 » Thu May 03, 2012 3:36 am
- 2 Replies
- 2728 Views
- Last post by hobiwan
Sat May 05, 2012 12:18 pm
-
- 0-rank logic sets in the hardest puzzles
by ronk » Tue Apr 03, 2012 1:56 pm
- 21 Replies
- 4434 Views
- Last post by David P Bird
Fri May 04, 2012 11:00 pm
-
- Almost Locked Sets xz-rule (doubly-linked)
by ronk » Sat Apr 29, 2006 9:41 pm
- 132 Replies
- 29533 Views
- Last post by aran
Thu Apr 26, 2012 4:36 pm
-
- What is this technique called?
by ShadowVegan » Fri Apr 13, 2012 7:03 am
- 1 Replies
- 1483 Views
- Last post by JasonLion
Fri Apr 13, 2012 12:59 pm
-
- Forming MUGs from BUG-Lite composites
by Myth Jellies » Tue Feb 14, 2006 12:15 pm
- 64 Replies
- 24346 Views
- Last post by Luke
Sat Mar 17, 2012 4:47 pm
-
- Strong Links for Beginners
by Havard » Mon Feb 27, 2006 11:56 am
- 31 Replies
- 34551 Views
- Last post by sysudoku
Tue Mar 13, 2012 7:39 pm
-
- UR+2B/2SL
by surbier » Thu Feb 24, 2011 7:35 am
- 89 Replies
- 10583 Views
- Last post by surbier
Mon Jan 16, 2012 8:34 pm
Return to Board index
Who is online
Users browsing this forum: No registered users and 2 guests
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