Everything about Sudoku that doesn't fit in one of the other sections
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- Solve Every Sudoku without Guessing
by sdk_fan » Thu Sep 29, 2011 7:18 am
- 63 Replies
- 11198 Views
- Last post by Serg
Tue Jan 10, 2012 5:23 pm
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- Collection of sudokus
by lerxst » Tue Nov 15, 2011 4:09 pm
- 36 Replies
- 5477 Views
- Last post by Pat
Thu Jan 05, 2012 8:17 am
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- Puzzle design by remove-add and remove-remove-add steps
by Thierry Moreau » Mon Jan 02, 2012 6:36 pm
- 0 Replies
- 1421 Views
- Last post by Thierry Moreau
Mon Jan 02, 2012 6:36 pm
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- Super Sudoku Puzzle Solver that has letters & numbers combined?
by angelofthenight » Sun Nov 13, 2011 8:41 pm
- 4 Replies
- 3068 Views
- Last post by bundy
Sun Jan 01, 2012 7:41 pm
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- Happy new 2012 year!
by Serg » Sat Dec 31, 2011 9:54 pm
- 0 Replies
- 1239 Views
- Last post by Serg
Sat Dec 31, 2011 9:54 pm
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- Puzzle design method, all handcrafted
by Thierry Moreau » Sat Dec 24, 2011 11:16 am
- 5 Replies
- 1868 Views
- Last post by Thierry Moreau
Tue Dec 27, 2011 4:18 pm
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- Sparse Matrix Sudoku Problem
by wuzhenzhi » Wed Dec 21, 2011 11:15 am
- 0 Replies
- 1391 Views
- Last post by wuzhenzhi
Wed Dec 21, 2011 11:15 am
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- Blank grids
by Hache » Wed Dec 07, 2011 3:55 pm
- 3 Replies
- 2402 Views
- Last post by SadMan
Sun Dec 11, 2011 10:44 pm
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- On zero solutions
by m_b_metcalf » Mon Nov 28, 2011 2:11 am
- 6 Replies
- 1591 Views
- Last post by m_b_metcalf
Thu Dec 08, 2011 11:42 pm
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- About Red Ed's Sudoku symmetry group
by eleven » Thu Dec 25, 2008 9:07 am
- 204 Replies
- 44092 Views
- Last post by eleven
Tue Nov 08, 2011 9:50 pm
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- Recommendation for Nintendo DS
by lbayorkie » Sat Sep 03, 2011 2:15 pm
- 0 Replies
- 1183 Views
- Last post by lbayorkie
Sat Sep 03, 2011 2:15 pm
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- The SUPERIOR thread
by tarek » Sun Mar 19, 2006 3:52 pm
- 284 Replies
- 163331 Views
- Last post by Pat
Thu Aug 25, 2011 2:50 pm
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- Generating all sudokus from a bit pattern
by ThemePark » Mon Aug 15, 2011 12:21 am
- 17 Replies
- 3342 Views
- Last post by ab
Wed Aug 24, 2011 3:53 pm
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- Orthogonal sudoku
by giant » Wed Sep 14, 2005 7:49 am
- 5 Replies
- 5467 Views
- Last post by Smythe Dakota
Tue Aug 16, 2011 10:50 pm
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- How to prove non-existance of 8-clue valid puzzles?
by Serg » Sun Jun 26, 2011 12:53 pm
- 49 Replies
- 6606 Views
- Last post by Serg
Sat Aug 06, 2011 8:24 pm
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- "Graeco-Latin Soduku" challenge
by tinfoil » Fri Jun 17, 2005 6:29 pm
- 11 Replies
- 8975 Views
- Last post by tarek
Sun Jul 31, 2011 7:39 pm
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- Re-symmetricise A Puzzle?
by civiliza » Thu Jul 07, 2011 6:43 pm
- 2 Replies
- 1305 Views
- Last post by civiliza
Wed Jul 20, 2011 7:14 pm
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- How adding another clue can make a puzzle harder?
by JeJ » Fri Mar 11, 2011 7:54 pm
- 8 Replies
- 1667 Views
- Last post by RW
Sun May 22, 2011 2:26 pm
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- The "right" approach to solve a puzzle
by JeJ » Tue Mar 01, 2011 9:54 pm
- 4 Replies
- 1693 Views
- Last post by kifotv
Sun May 22, 2011 7:03 am
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- Valid puzzles for Fractal Pattern
by Serg » Sat Apr 02, 2011 12:10 pm
- 16 Replies
- 3426 Views
- Last post by dobrichev
Thu Apr 28, 2011 4:12 pm
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- Rambling
by daj95376 » Fri Jul 18, 2008 4:04 pm
- 53 Replies
- 11021 Views
- Last post by ronk
Sat Mar 19, 2011 6:05 pm
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- How do you type the code in a text editor?
by JeJ » Sat Feb 12, 2011 4:21 pm
- 3 Replies
- 1441 Views
- Last post by Pat
Sun Feb 13, 2011 12:45 pm
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- Finding unavoidable sets
by RW » Fri Feb 11, 2011 8:54 am
- 2 Replies
- 2249 Views
- Last post by RW
Fri Feb 11, 2011 10:17 am
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- Sudoku generator
by lerxst » Mon Dec 13, 2010 6:16 pm
- 1 Replies
- 1243 Views
- Last post by m_b_metcalf
Mon Dec 13, 2010 9:26 pm
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- Low-Stepper STD-27
by Pyrrho » Fri Dec 10, 2010 7:03 pm
- 4 Replies
- 1567 Views
- Last post by m_b_metcalf
Mon Dec 13, 2010 5:43 pm
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- Rating standard
by lerxst » Mon Dec 13, 2010 4:55 am
- 2 Replies
- 1258 Views
- Last post by ronk
Mon Dec 13, 2010 1:51 pm
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- Reviewers and bloggers
by nicolaca » Thu Dec 02, 2010 11:10 am
- 0 Replies
- 1258 Views
- Last post by nicolaca
Thu Dec 02, 2010 11:10 am
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- A Pure Jellyfish Collection
by tarek » Mon Dec 17, 2007 11:58 pm
- 87 Replies
- 30698 Views
- Last post by tarek
Sun Nov 21, 2010 7:58 pm
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- Sudoku solved in world record time?
by 999_Springs » Sun Oct 31, 2010 10:30 pm
- 1 Replies
- 2351 Views
- Last post by m_b_metcalf
Mon Nov 01, 2010 6:52 am
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- Combinations of 3 or 4 strong and weak inferences
by 999_Springs » Sun Oct 10, 2010 10:30 pm
- 6 Replies
- 2279 Views
- Last post by daj95376
Mon Nov 01, 2010 12:04 am
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- new challenges
by ab » Sun Oct 24, 2010 7:41 pm
- 10 Replies
- 2143 Views
- Last post by Red Ed
Sat Oct 30, 2010 5:52 pm
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- Structure of the puzzle solution 1 : the Megaclue !
by coloin » Mon Sep 25, 2006 7:59 pm
- 51 Replies
- 34143 Views
- Last post by dobrichev
Wed Oct 27, 2010 11:40 pm
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- NQS (not-quite-superior)
by Pat » Tue Oct 19, 2010 9:06 am
- 0 Replies
- 1339 Views
- Last post by Pat
Tue Oct 19, 2010 9:06 am
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- Grid Momentum
by dobrichev » Mon Oct 11, 2010 11:55 pm
- 5 Replies
- 1722 Views
- Last post by eleven
Wed Oct 13, 2010 3:48 pm
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- Puzzle with only naked singles or hidden singles?
by AR4793 » Wed Sep 29, 2010 7:17 pm
- 4 Replies
- 2321 Views
- Last post by Pat
Tue Oct 12, 2010 11:24 am
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- Techniques: difficulty for humans
by mariano_donati » Mon Sep 06, 2010 6:34 am
- 0 Replies
- 1260 Views
- Last post by mariano_donati
Mon Sep 06, 2010 6:34 am
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- Maximum empty cells when hints are used
by billeioru » Mon Sep 06, 2010 3:40 am
- 0 Replies
- 1239 Views
- Last post by billeioru
Mon Sep 06, 2010 3:40 am
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- DOOFUS Is Taking Over The World
by 999_Springs » Mon Aug 30, 2010 7:55 pm
- 0 Replies
- 1185 Views
- Last post by 999_Springs
Mon Aug 30, 2010 7:55 pm
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- Solution Path to the Easter Monster Puzzle
by 999_Springs » Mon Aug 30, 2010 7:49 pm
- 0 Replies
- 1566 Views
- Last post by 999_Springs
Mon Aug 30, 2010 7:49 pm
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- Solving without pencil marks
by Noumenon » Wed Aug 25, 2010 3:46 pm
- 2 Replies
- 4030 Views
- Last post by gsf
Wed Aug 25, 2010 4:13 pm
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