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
- 91359 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
- 218640 Views
- Last post by StrmCkr
Wed May 16, 2018 7:28 am
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- Spotting Skyscrapers
by Fortesque92 » Fri Apr 09, 2021 5:37 am
- 2 Replies
- 39 Views
- Last post by denis_berthier
Fri Apr 09, 2021 5:51 pm
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- Two definitions of W-Wing, terminology question
by JasonLion » Sun Nov 09, 2008 3:44 pm
- 33 Replies
- 27739 Views
- Last post by rjamil
Thu Apr 01, 2021 2:03 am
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- Why isn't this a X-Chain?
by chitarup » Mon Mar 01, 2021 12:28 pm
- 5 Replies
- 110 Views
- Last post by Hajime
Sat Mar 06, 2021 8:24 am
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- Speed
by dirk » Wed Mar 03, 2021 6:33 pm
- 0 Replies
- 61 Views
- Last post by dirk
Wed Mar 03, 2021 6:33 pm
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- Forcing T&E
by denis_berthier » Sat Jan 09, 2021 10:30 am
- 23 Replies
- 431 Views
- Last post by denis_berthier
Wed Feb 17, 2021 9:53 am
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- Is this a case of BUG+3?
by FairyTailed » Thu Jan 02, 2020 10:14 pm
- 8 Replies
- 442 Views
- Last post by oldenumber77
Sun Feb 14, 2021 1:24 am
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- Forcing net <-> Dynamic Forcing chains
by Hajime » Sat Feb 13, 2021 3:30 pm
- 5 Replies
- 92 Views
- Last post by creint
Sat Feb 13, 2021 10:25 pm
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- Questions about PBCS
by Mauriès Robert » Fri Jan 15, 2021 6:22 pm
- 46 Replies
- 680 Views
- Last post by denis_berthier
Thu Feb 11, 2021 10:14 am
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- Anti-backdoors
by denis_berthier » Fri Feb 05, 2021 8:43 am
- 5 Replies
- 155 Views
- Last post by Mauriès Robert
Mon Feb 08, 2021 3:08 pm
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- SK and related loops
by pjb » Thu Mar 28, 2019 11:55 am
- 53 Replies
- 3104 Views
- Last post by numpl_npm
Tue Feb 02, 2021 3:13 pm
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- TLG0 logic truths links groups rank 0
by champagne » Sun Mar 29, 2020 6:34 am
- 21 Replies
- 893 Views
- Last post by StrmCkr
Mon Nov 30, 2020 9:44 am
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- Phistomefel's Theorem
by Wecoc » Sat Nov 14, 2020 7:28 pm
- 5 Replies
- 4290 Views
- Last post by Wecoc
Wed Nov 25, 2020 11:00 pm
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- How to call this pattern
by urhegyi » Wed Nov 04, 2020 12:00 am
- 12 Replies
- 293 Views
- Last post by SpAce
Sun Nov 08, 2020 2:47 am
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- "Schroedinger Cells"
by mith » Wed Oct 21, 2020 2:37 am
- 7 Replies
- 430 Views
- Last post by pjb
Sun Oct 25, 2020 12:06 am
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- TDP versus FORCING BRAIDS
by denis_berthier » Wed Feb 12, 2020 4:31 am
- 79 Replies
- 2223 Views
- Last post by SpAce
Thu Sep 17, 2020 12:45 am
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- Generalized methods
by Hajime » Mon Aug 24, 2020 2:01 pm
- 1 Replies
- 273 Views
- Last post by Hajime
Sun Sep 06, 2020 3:05 pm
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- Fin Transport/ Irregular "xy-Wings" aka Kraken fish
by StrmCkr » Mon Feb 27, 2017 7:58 am
- 3 Replies
- 1606 Views
- Last post by StrmCkr
Wed Jul 29, 2020 5:58 am
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- Bug + n Example(Implemented by my Solver)
by yzfwsf » Sat Jun 27, 2020 11:30 pm
- 19 Replies
- 568 Views
- Last post by rjamil
Wed Jul 15, 2020 11:55 am
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- How to name this pattern
by yzfwsf » Tue Feb 25, 2020 11:39 pm
- 33 Replies
- 1178 Views
- Last post by 999_Springs
Wed Jun 24, 2020 2:28 pm
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- Chain Trees and Chaining Related Values
by mac_sudo » Sun Jun 21, 2020 10:18 pm
- 0 Replies
- 157 Views
- Last post by mac_sudo
Sun Jun 21, 2020 10:18 pm
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- Typed-chains (2D-chains)
by denis_berthier » Wed Apr 22, 2020 5:30 am
- 13 Replies
- 523 Views
- Last post by denis_berthier
Mon Jun 15, 2020 6:07 am
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- A revival of Broken Wings
by Obi-Wahn » Wed Jan 17, 2007 11:20 pm
- 112 Replies
- 40876 Views
- Last post by SpAce
Wed May 27, 2020 10:37 pm
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- The Ultimate FISH Guide
by tarek » Sat Oct 28, 2006 1:48 am
- 669 Replies
- 239111 Views
- Last post by yzfwsf
Sat May 02, 2020 1:47 am
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- JExocet Compendium
by David P Bird » Thu Mar 19, 2015 10:16 am
- 91 Replies
- 12297 Views
- Last post by Cenoman
Thu Apr 30, 2020 8:47 am
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- UR1.1, again
by denis_berthier » Wed Feb 19, 2020 7:30 am
- 149 Replies
- 2797 Views
- Last post by creint
Wed Apr 29, 2020 5:11 pm
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- Benchmark Sudoku List
by Ruud » Tue Apr 11, 2006 2:35 pm
- 33 Replies
- 35996 Views
- Last post by yzfwsf
Sun Apr 19, 2020 11:18 pm
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- Fish with chains
by Wepwawet » Sat Apr 11, 2020 2:13 am
- 3 Replies
- 296 Views
- Last post by Cenoman
Thu Apr 16, 2020 1:22 pm
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- What it this technique called?
by docjohn » Wed Mar 04, 2020 1:51 pm
- 2 Replies
- 336 Views
- Last post by Wepwawet
Sat Apr 11, 2020 2:23 am
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- Exotic patterns a resume
by champagne » Mon Apr 02, 2012 7:02 am
- 839 Replies
- 48387 Views
- Last post by Leren
Wed Apr 08, 2020 11:39 am
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- Essential exclusions
by rjamil » Sun Mar 29, 2020 9:50 pm
- 12 Replies
- 357 Views
- Last post by StrmCkr
Wed Apr 01, 2020 8:18 pm
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- AIC and TDP
by Mauriès Robert » Fri Dec 20, 2019 1:03 pm
- 40 Replies
- 1475 Views
- Last post by Mauriès Robert
Wed Feb 19, 2020 8:12 pm
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- Grouped X-Loop
by tarek » Tue Jan 14, 2020 10:09 pm
- 3 Replies
- 124 Views
- Last post by tarek
Sun Jan 19, 2020 7:28 pm
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- Name these patterns
by pjb » Tue Jan 14, 2020 11:57 pm
- 7 Replies
- 332 Views
- Last post by tarek
Wed Jan 15, 2020 1:30 pm
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- 2 fish in 1 ?Siamese
by tarek » Sun Jan 05, 2020 9:23 pm
- 4 Replies
- 317 Views
- Last post by tarek
Mon Jan 06, 2020 2:02 pm
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- Shall I just add the word Ring?
by tarek » Fri Jan 03, 2020 12:34 pm
- 12 Replies
- 344 Views
- Last post by tarek
Sat Jan 04, 2020 8:56 pm
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- What's wrong with XY-loops?
by SpAce » Tue Oct 03, 2017 1:38 am
- 48 Replies
- 3261 Views
- Last post by FairyTailed
Thu Jan 02, 2020 10:20 pm
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- Almost-binary puzzle
by qiuyanzhe » Sat Dec 14, 2019 5:50 am
- 20 Replies
- 1098 Views
- Last post by StrmCkr
Thu Dec 19, 2019 10:20 am
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- Empty mini-Area (EmA): EmR and EmL
by tarek » Thu Dec 12, 2019 6:36 pm
- 2 Replies
- 308 Views
- Last post by tarek
Thu Dec 12, 2019 6:36 pm
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