Advanced methods and approaches for solving Sudoku puzzles
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- Solving without pencilmarks
by RW » Sat Mar 25, 2006 7:40 am
- 101 Replies
- 116450 Views
- Last post by eleven
Sun Jan 13, 2019 10:10 am
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- Collection of solving techniques
by chopsuey » Sun Feb 26, 2006 10:51 pm
- 31 Replies
- 250356 Views
- Last post by StrmCkr
Wed May 16, 2018 7:28 am
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- D Language or RUST for Sudoku programming?
by RichardGoodrich » Fri Jun 27, 2025 4:46 pm
- 3 Replies
- 510 Views
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Wed Aug 20, 2025 12:45 am
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- A 40 clue puzzle and its place in the ED catalog
by RichardGoodrich » Wed Aug 06, 2025 11:44 pm
- 3 Replies
- 358 Views
- Last post by coloin
Mon Aug 18, 2025 8:33 pm
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- Indexing errors in last 100 of this ED minlex listing?
by RichardGoodrich » Wed Aug 06, 2025 8:03 pm
- 0 Replies
- 257 Views
- Last post by RichardGoodrich
Wed Aug 06, 2025 8:03 pm
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- Created SQLite3 Essentially Different Database
by RichardGoodrich » Thu Jul 31, 2025 5:54 pm
- 0 Replies
- 281 Views
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Thu Jul 31, 2025 5:54 pm
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- How many text files (you can open) for 5,472,730,538 ED?
by RichardGoodrich » Mon Jul 21, 2025 5:38 pm
- 0 Replies
- 173 Views
- Last post by RichardGoodrich
Mon Jul 21, 2025 5:38 pm
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- sudoku and sudz NOW working on Linux - Thanks to 1to9only
by RichardGoodrich » Thu Jul 17, 2025 4:32 pm
- 0 Replies
- 164 Views
- Last post by RichardGoodrich
Thu Jul 17, 2025 4:32 pm
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- "Your my First, my Last, but NOT my Everything" ED
by RichardGoodrich » Wed Jul 16, 2025 3:12 pm
- 0 Replies
- 158 Views
- Last post by RichardGoodrich
Wed Jul 16, 2025 3:12 pm
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- Essentially Different - 416 Gangster Group Occupancy
by RichardGoodrich » Thu Jul 03, 2025 2:03 pm
- 0 Replies
- 189 Views
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Thu Jul 03, 2025 2:03 pm
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- Unifying Notation for Chains & Nets of all Kinds!
by RichardGoodrich » Wed Jun 25, 2025 5:47 pm
- 0 Replies
- 182 Views
- Last post by RichardGoodrich
Wed Jun 25, 2025 5:47 pm
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- Sudoku Equivalence Classes & Compression
by RichardGoodrich » Tue Jun 24, 2025 8:02 pm
- 0 Replies
- 173 Views
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Tue Jun 24, 2025 8:02 pm
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- Reviewing an old post: Understanding denis_berthier Whips
by RichardGoodrich » Mon Jun 23, 2025 2:20 pm
- 2 Replies
- 247 Views
- Last post by RichardGoodrich
Tue Jun 24, 2025 6:56 pm
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- Good Set-Equivalence-Theory Explanations
by RichardGoodrich » Thu Jun 05, 2025 11:30 pm
- 18 Replies
- 802 Views
- Last post by StrmCkr
Thu Jun 19, 2025 3:24 am
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- What is meant by "true minlex" according to 1to9only?
by RichardGoodrich » Wed Jun 18, 2025 6:44 pm
- 0 Replies
- 169 Views
- Last post by RichardGoodrich
Wed Jun 18, 2025 6:44 pm
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- Why Play Sudoku - At ALL!
by RichardGoodrich » Wed Jun 18, 2025 3:58 pm
- 0 Replies
- 178 Views
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Wed Jun 18, 2025 3:58 pm
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- Pattern Overlay Method
by P.O. » Thu Jul 28, 2022 5:22 am
- 123 Replies
- 7160 Views
- Last post by rjamil
Tue Apr 08, 2025 12:33 am
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- UR1.1, again
by denis_berthier » Wed Feb 19, 2020 7:30 am
- 163 Replies
- 13869 Views
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Fri Mar 14, 2025 4:19 am
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- The Ultimate FISH Guide
by tarek » Sat Oct 28, 2006 1:48 am
- 703 Replies
- 292803 Views
- Last post by StrmCkr
Thu Feb 27, 2025 8:50 pm
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- ORk-Forcing-Whips, ORk-Contrad-Whips and ORk-whips
by denis_berthier » Mon Aug 01, 2022 8:27 am
- 11 Replies
- 1823 Views
- Last post by denis_berthier
Wed Jan 22, 2025 9:57 am
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- Do SK-loops really need solved/given cells?
by ag24ag24 » Fri Nov 22, 2024 3:10 am
- 12 Replies
- 645 Views
- Last post by marek stefanik
Wed Jan 15, 2025 5:58 pm
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- Templates as patterns
by denis_berthier » Fri Oct 18, 2024 3:58 am
- 137 Replies
- 6120 Views
- Last post by denis_berthier
Fri Jan 03, 2025 4:16 am
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- eleven's 630 impossible 3-digit patterns
by rjamil » Mon Oct 28, 2024 1:21 pm
- 15 Replies
- 1147 Views
- Last post by rjamil
Fri Dec 13, 2024 12:14 pm
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- How to deal with large numbers of patterns
by denis_berthier » Wed Feb 08, 2023 7:39 am
- 44 Replies
- 4553 Views
- Last post by denis_berthier
Mon Nov 18, 2024 6:48 am
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- from Templates to Permutations
by P.O. » Mon Nov 11, 2024 6:24 am
- 0 Replies
- 313 Views
- Last post by P.O.
Mon Nov 11, 2024 6:24 am
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- The tridagon rule
by denis_berthier » Sun Mar 13, 2022 9:09 am
- 124 Replies
- 21471 Views
- Last post by denis_berthier
Tue Sep 03, 2024 8:26 am
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- A Simple Method for detecting or ruling out Multiples
by Michael Cole » Fri Jul 12, 2024 5:17 am
- 1 Replies
- 440 Views
- Last post by P.O.
Mon Aug 26, 2024 12:18 pm
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- notations
by scs » Thu Jan 13, 2022 6:35 pm
- 2 Replies
- 1137 Views
- Last post by Maxito_Bahiense
Thu Mar 07, 2024 1:28 pm
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- g-whips and g-braids
by denis_berthier » Sun Mar 27, 2011 10:35 am
- 57 Replies
- 8966 Views
- Last post by yzfwsf
Thu Feb 29, 2024 2:20 pm
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- Sudoku Canon Stuff that makes me go Hmmm....
by RichardGoodrich » Thu Jan 25, 2024 12:24 am
- 35 Replies
- 2432 Views
- Last post by StrmCkr
Mon Jan 29, 2024 8:49 pm
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- The Hidden BUG
by RW » Sat Apr 15, 2006 7:16 am
- 17 Replies
- 7160 Views
- Last post by MAGREMENT
Mon Jan 08, 2024 3:48 pm
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- TLG0 logic truths links groups rank 0
by champagne » Sun Mar 29, 2020 6:34 am
- 22 Replies
- 3610 Views
- Last post by yzfwsf
Tue Dec 12, 2023 7:01 am
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- Blossom Loop
by yzfwsf » Thu Dec 07, 2023 7:05 am
- 16 Replies
- 1560 Views
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- JExocet Compendium
by David P Bird » Thu Mar 19, 2015 10:16 am
- 93 Replies
- 28163 Views
- Last post by rybinpv
Thu Dec 07, 2023 9:56 am
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- Uniqueness clue cover
by jco » Sun Jan 22, 2023 2:26 am
- 4 Replies
- 1079 Views
- Last post by Serg
Tue Dec 05, 2023 4:56 pm
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- Yet another crazy uniqueness technique
by RW » Sun Aug 12, 2007 3:21 pm
- 2 Replies
- 3157 Views
- Last post by SunnieShine2
Mon Nov 27, 2023 8:59 am
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- Exotic patterns a resume
by champagne » Mon Apr 02, 2012 7:02 am
- 840 Replies
- 97210 Views
- Last post by yzfwsf
Thu Nov 16, 2023 10:00 am
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- XYZ-Ring
by yzfwsf » Thu Nov 09, 2023 8:24 am
- 10 Replies
- 1010 Views
- Last post by StrmCkr
Fri Nov 10, 2023 6:12 pm
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- Almost locked rules (for now)
by bennys » Wed Dec 14, 2005 7:58 am
- 34 Replies
- 68038 Views
- Last post by StrmCkr
Mon Oct 02, 2023 6:13 am
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- Anti-GSP
by shye » Sun Nov 20, 2022 4:07 pm
- 6 Replies
- 1684 Views
- Last post by StrmCkr
Fri Sep 29, 2023 11:08 pm
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