Advanced solving techniques
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- Overlayed fish?
by Wepwawet » Wed Dec 10, 2025 5:16 am - 3 Replies
- 101 Views
- Last post by StrmCkr
Sat Dec 13, 2025 10:03 pm
- Overlayed fish?
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- Templates as patterns
1 ... 8, 9, 10by denis_berthier » Fri Oct 18, 2024 3:58 am - 138 Replies
- 22469 Views
- Last post by denis_berthier
Sat Nov 22, 2025 5:42 am
- Templates as patterns
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- ALS Loops/Rings
by Wepwawet » Tue Sep 30, 2025 10:51 am - 11 Replies
- 674 Views
- Last post by StrmCkr
Tue Oct 14, 2025 8:47 am
- ALS Loops/Rings
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- ALS overlaps and restrictive commons
by Wepwawet » Sat Sep 27, 2025 6:12 am - 3 Replies
- 1258 Views
- Last post by Wepwawet
Tue Sep 30, 2025 10:16 am
- ALS overlaps and restrictive commons
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- The tridagon rule
1 ... 7, 8, 9by denis_berthier » Sun Mar 13, 2022 9:09 am - 125 Replies
- 52277 Views
- Last post by denis_berthier
Fri Sep 19, 2025 4:30 am
- The tridagon rule
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- D Language or RUST for Sudoku programming?
by RichardGoodrich » Fri Jun 27, 2025 4:46 pm - 3 Replies
- 8851 Views
- Last post by StrmCkr
Wed Aug 20, 2025 12:45 am
- D Language or RUST for Sudoku programming?
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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
- 6117 Views
- Last post by coloin
Mon Aug 18, 2025 8:33 pm
- A 40 clue puzzle and its place in the ED catalog
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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
- 3071 Views
- Last post by RichardGoodrich
Wed Aug 06, 2025 8:03 pm
- Indexing errors in last 100 of this ED minlex listing?
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- Created SQLite3 Essentially Different Database
by RichardGoodrich » Thu Jul 31, 2025 5:54 pm - 0 Replies
- 2785 Views
- Last post by RichardGoodrich
Thu Jul 31, 2025 5:54 pm
- Created SQLite3 Essentially Different Database
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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
- 2674 Views
- Last post by RichardGoodrich
Mon Jul 21, 2025 5:38 pm
- How many text files (you can open) for 5,472,730,538 ED?
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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
- 2723 Views
- Last post by RichardGoodrich
Thu Jul 17, 2025 4:32 pm
- sudoku and sudz NOW working on Linux - Thanks to 1to9only
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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
- 2689 Views
- Last post by RichardGoodrich
Wed Jul 16, 2025 3:12 pm
- "Your my First, my Last, but NOT my Everything" ED
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- Essentially Different - 416 Gangster Group Occupancy
by RichardGoodrich » Thu Jul 03, 2025 2:03 pm - 0 Replies
- 2757 Views
- Last post by RichardGoodrich
Thu Jul 03, 2025 2:03 pm
- Essentially Different - 416 Gangster Group Occupancy
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- Unifying Notation for Chains & Nets of all Kinds!
by RichardGoodrich » Wed Jun 25, 2025 5:47 pm - 0 Replies
- 2783 Views
- Last post by RichardGoodrich
Wed Jun 25, 2025 5:47 pm
- Unifying Notation for Chains & Nets of all Kinds!
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- Sudoku Equivalence Classes & Compression
by RichardGoodrich » Tue Jun 24, 2025 8:02 pm - 0 Replies
- 2708 Views
- Last post by RichardGoodrich
Tue Jun 24, 2025 8:02 pm
- Sudoku Equivalence Classes & Compression
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- Reviewing an old post: Understanding denis_berthier Whips
by RichardGoodrich » Mon Jun 23, 2025 2:20 pm - 2 Replies
- 2831 Views
- Last post by RichardGoodrich
Tue Jun 24, 2025 6:56 pm
- Reviewing an old post: Understanding denis_berthier Whips
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- Good Set-Equivalence-Theory Explanations
1, 2by RichardGoodrich » Thu Jun 05, 2025 11:30 pm - 18 Replies
- 6784 Views
- Last post by StrmCkr
Thu Jun 19, 2025 3:24 am
- Good Set-Equivalence-Theory Explanations
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- What is meant by "true minlex" according to 1to9only?
by RichardGoodrich » Wed Jun 18, 2025 6:44 pm - 0 Replies
- 2667 Views
- Last post by RichardGoodrich
Wed Jun 18, 2025 6:44 pm
- What is meant by "true minlex" according to 1to9only?
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- Why Play Sudoku - At ALL!
by RichardGoodrich » Wed Jun 18, 2025 3:58 pm - 0 Replies
- 2713 Views
- Last post by RichardGoodrich
Wed Jun 18, 2025 3:58 pm
- Why Play Sudoku - At ALL!
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- UR1.1, again
1 ... 9, 10, 11by denis_berthier » Wed Feb 19, 2020 7:30 am - 163 Replies
- 16227 Views
- Last post by denis_berthier
Fri Mar 14, 2025 4:19 am
- UR1.1, again
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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
- 2205 Views
- Last post by denis_berthier
Wed Jan 22, 2025 9:57 am
- ORk-Forcing-Whips, ORk-Contrad-Whips and ORk-whips
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- Do SK-loops really need solved/given cells?
by ag24ag24 » Fri Nov 22, 2024 3:10 am - 12 Replies
- 3779 Views
- Last post by marek stefanik
Wed Jan 15, 2025 5:58 pm
- Do SK-loops really need solved/given cells?
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- eleven's 630 impossible 3-digit patterns
1, 2by rjamil » Mon Oct 28, 2024 1:21 pm - 15 Replies
- 6740 Views
- Last post by rjamil
Fri Dec 13, 2024 12:14 pm
- eleven's 630 impossible 3-digit patterns
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- How to deal with large numbers of patterns
1, 2, 3by denis_berthier » Wed Feb 08, 2023 7:39 am - 44 Replies
- 14947 Views
- Last post by denis_berthier
Mon Nov 18, 2024 6:48 am
- How to deal with large numbers of patterns
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- from Templates to Permutations
by P.O. » Mon Nov 11, 2024 6:24 am - 0 Replies
- 2796 Views
- Last post by P.O.
Mon Nov 11, 2024 6:24 am
- from Templates to Permutations
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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
- 2988 Views
- Last post by P.O.
Mon Aug 26, 2024 12:18 pm
- A Simple Method for detecting or ruling out Multiples
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- notations
by scs » Thu Jan 13, 2022 6:35 pm - 2 Replies
- 3722 Views
- Last post by Maxito_Bahiense
Thu Mar 07, 2024 1:28 pm
- notations
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- g-whips and g-braids
1, 2, 3, 4by denis_berthier » Sun Mar 27, 2011 10:35 am - 57 Replies
- 21793 Views
- Last post by yzfwsf
Thu Feb 29, 2024 2:20 pm
- g-whips and g-braids
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- Sudoku Canon Stuff that makes me go Hmmm....
1, 2, 3by RichardGoodrich » Thu Jan 25, 2024 12:24 am - 35 Replies
- 11895 Views
- Last post by StrmCkr
Mon Jan 29, 2024 8:49 pm
- Sudoku Canon Stuff that makes me go Hmmm....
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- The Hidden BUG
1, 2by RW » Sat Apr 15, 2006 7:16 am - 17 Replies
- 13090 Views
- Last post by MAGREMENT
Mon Jan 08, 2024 3:48 pm
- The Hidden BUG
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- TLG0 logic truths links groups rank 0
1, 2
by champagne » Sun Mar 29, 2020 6:34 am
- 22 Replies
- 9569 Views
- Last post by yzfwsf
Tue Dec 12, 2023 7:01 am
- TLG0 logic truths links groups rank 0
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- Blossom Loop
1, 2by yzfwsf » Thu Dec 07, 2023 7:05 am - 16 Replies
- 7285 Views
- Last post by yzfwsf
Mon Dec 11, 2023 12:34 pm
- Blossom Loop
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- JExocet Compendium
1 ... 5, 6, 7 by David P Bird » Thu Mar 19, 2015 10:16 am
- 93 Replies
- 42381 Views
- Last post by rybinpv
Thu Dec 07, 2023 9:56 am
- JExocet Compendium
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- Uniqueness clue cover
by jco » Sun Jan 22, 2023 2:26 am - 4 Replies
- 3824 Views
- Last post by Serg
Tue Dec 05, 2023 4:56 pm
- Uniqueness clue cover
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- Yet another crazy uniqueness technique
by RW » Sun Aug 12, 2007 3:21 pm - 2 Replies
- 5711 Views
- Last post by SunnieShine2
Mon Nov 27, 2023 8:59 am
- Yet another crazy uniqueness technique
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