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
- 113035 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
- 247159 Views
- Last post by StrmCkr
Wed May 16, 2018 7:28 am
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- Pattern Overlay Method
by P.O. » Thu Jul 28, 2022 5:22 am
- 123 Replies
- 5822 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
- 12526 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
- 286772 Views
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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
- 1623 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
- 444 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
- 4474 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
- 723 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
- 3790 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
- 134 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
- 19111 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
- 252 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
- 970 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
- 8085 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
- 1823 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
- 6782 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
- 3194 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
- 1219 Views
- Last post by yzfwsf
Mon Dec 11, 2023 12:34 pm
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- JExocet Compendium
by David P Bird » Thu Mar 19, 2015 10:16 am
- 93 Replies
- 26233 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
- 887 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
- 2987 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
- 91503 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
- 762 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
- 67238 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
- 1464 Views
- Last post by StrmCkr
Fri Sep 29, 2023 11:08 pm
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- Might be new types of UR
by pea18013 » Thu Aug 17, 2023 2:48 pm
- 1 Replies
- 536 Views
- Last post by totuan
Fri Aug 18, 2023 5:01 am
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- turbot? in X-SuDoku
by Pat » Wed Apr 19, 2023 7:06 am
- 4 Replies
- 604 Views
- Last post by StrmCkr
Sun Jul 09, 2023 5:20 am
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- Generalized methods
by Hajime » Mon Aug 24, 2020 2:01 pm
- 4 Replies
- 1596 Views
- Last post by denis_berthier
Sat Apr 22, 2023 5:37 am
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- Strong links within Fish Patterns:
by StrmCkr » Fri Nov 11, 2011 11:39 am
- 23 Replies
- 5262 Views
- Last post by denis_berthier
Mon Apr 03, 2023 1:46 pm
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- Chromatic Patterns
by mith » Wed Mar 23, 2022 11:09 pm
- 128 Replies
- 11245 Views
- Last post by denis_berthier
Sun Feb 26, 2023 3:59 pm
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- ALC-sos
by StrmCkr » Sat Dec 24, 2022 8:51 pm
- 0 Replies
- 879 Views
- Last post by StrmCkr
Sat Dec 24, 2022 8:51 pm
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- Eleven's variable replacement method and its complexity
by denis_berthier » Tue Aug 10, 2021 4:45 am
- 12 Replies
- 2578 Views
- Last post by denis_berthier
Wed Dec 07, 2022 4:46 pm
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- Possibly a new Hidden UR?
by sos440 » Mon Nov 28, 2022 1:04 pm
- 1 Replies
- 676 Views
- Last post by Pat-Moderator
Wed Nov 30, 2022 11:10 am
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- Fireworks
by shye » Wed Nov 03, 2021 2:18 am
- 66 Replies
- 12333 Views
- Last post by StrmCkr
Tue Nov 22, 2022 5:15 am
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- AIC building using Graded Equivalence Marking
by swolar » Sun Oct 16, 2022 3:46 am
- 9 Replies
- 1079 Views
- Last post by eleven
Mon Nov 14, 2022 10:31 pm
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- Another Sue De Coq puzzle from Hodoku.
by Yogi » Fri Nov 04, 2022 11:21 pm
- 8 Replies
- 919 Views
- Last post by pjb
Thu Nov 10, 2022 11:14 pm
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- New type of GSP?
by shye » Wed Oct 26, 2022 3:57 pm
- 18 Replies
- 1841 Views
- Last post by ryokousha
Mon Oct 31, 2022 10:33 am
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- How To Spot a Sue De Coq
by Yogi » Mon Sep 26, 2022 9:25 pm
- 2 Replies
- 922 Views
- Last post by jco
Wed Sep 28, 2022 10:11 pm
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- The T&E-depth of a resolution rule
by denis_berthier » Fri Mar 25, 2022 6:55 am
- 6 Replies
- 1335 Views
- Last post by denis_berthier
Sat Aug 27, 2022 11:40 am
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