Advanced solving techniques
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- D Language or RUST for Sudoku programming?
by RichardGoodrich » Fri Jun 27, 2025 4:46 pm - 2 Replies
- 99 Views
- Last post by RichardGoodrich
Tue Jul 08, 2025 3:33 pm
- D Language or RUST for Sudoku programming?
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- Essentially Different - 416 Band Occupancy
by RichardGoodrich » Thu Jul 03, 2025 2:03 pm - 0 Replies
- 57 Views
- Last post by RichardGoodrich
Thu Jul 03, 2025 2:03 pm
- Essentially Different - 416 Band Occupancy
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- Unifying Notation for Chains & Nets of all Kinds!
by RichardGoodrich » Wed Jun 25, 2025 5:47 pm - 0 Replies
- 57 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
- 66 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
- 132 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
- 503 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
- 49 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
- 76 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
- 13364 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
- 1726 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
- 531 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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- Templates as patterns
1 ... 8, 9, 10by denis_berthier » Fri Oct 18, 2024 3:58 am - 137 Replies
- 5280 Views
- Last post by denis_berthier
Fri Jan 03, 2025 4:16 am
- Templates as patterns
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- eleven's 630 impossible 3-digit patterns
1, 2by rjamil » Mon Oct 28, 2024 1:21 pm - 15 Replies
- 921 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
- 4176 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
- 203 Views
- Last post by P.O.
Mon Nov 11, 2024 6:24 am
- from Templates to Permutations
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- The tridagon rule
1 ... 7, 8, 9by denis_berthier » Sun Mar 13, 2022 9:09 am - 124 Replies
- 20343 Views
- Last post by denis_berthier
Tue Sep 03, 2024 8:26 am
- The tridagon rule
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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
- 327 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
- 1031 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
- 8446 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
- 2086 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
- 6934 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
- 3370 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
- 1352 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
- 27173 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
- 965 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
- 3051 Views
- Last post by SunnieShine2
Mon Nov 27, 2023 8:59 am
- Yet another crazy uniqueness technique
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- Might be new types of UR
by pea18013 » Thu Aug 17, 2023 2:48 pm - 1 Replies
- 596 Views
- Last post by totuan
Fri Aug 18, 2023 5:01 am
- Might be new types of UR
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- turbot? in X-SuDoku
by Pat » Wed Apr 19, 2023 7:06 am - 4 Replies
- 665 Views
- Last post by StrmCkr
Sun Jul 09, 2023 5:20 am
- turbot? in X-SuDoku
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- Generalized methods
by Hajime » Mon Aug 24, 2020 2:01 pm
- 4 Replies
- 1685 Views
- Last post by denis_berthier
Sat Apr 22, 2023 5:37 am
- Generalized methods
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- Strong links within Fish Patterns:
1, 2by StrmCkr » Fri Nov 11, 2011 11:39 am - 23 Replies
- 5853 Views
- Last post by denis_berthier
Mon Apr 03, 2023 1:46 pm
- Strong links within Fish Patterns:
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- Chromatic Patterns
1 ... 7, 8, 9by mith » Wed Mar 23, 2022 11:09 pm - 128 Replies
- 12099 Views
- Last post by denis_berthier
Sun Feb 26, 2023 3:59 pm
- Chromatic Patterns
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