Advanced methods and approaches for solving Sudoku puzzles
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- Almost locked rules (for now)
by bennys » Wed Dec 14, 2005 7:58 am
- 34 Replies
- 77783 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
- 3983 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
- 789 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
- 876 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
- 1937 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
- 7038 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
- 14127 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
- 1160 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
- 3282 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
- 927 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
- 15669 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
- 1233 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
- 1213 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
- 2238 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
- 1133 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
- 1666 Views
- Last post by denis_berthier
Sat Aug 27, 2022 11:40 am
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- Fully supersymmetric chains
by denis_berthier » Wed Aug 15, 2007 5:31 am
- 246 Replies
- 97745 Views
- Last post by denis_berthier
Sat Aug 27, 2022 7:06 am
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- more on whips, braids, T&E...
by denis_berthier » Sun Mar 27, 2011 6:53 am
- 41 Replies
- 11414 Views
- Last post by denis_berthier
Tue Aug 02, 2022 8:03 am
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- Is there a simpler way to solve this?
by Nick70 » Sun Nov 20, 2005 12:03 pm
- 56 Replies
- 51681 Views
- Last post by simonbrecher
Sun Jun 26, 2022 11:50 am
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- Sue de Coq
by Wepwawet » Tue Apr 26, 2022 8:16 pm
- 12 Replies
- 1784 Views
- Last post by StrmCkr
Mon May 02, 2022 11:17 am
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- Forcing T&E
by denis_berthier » Sat Jan 09, 2021 10:30 am
- 28 Replies
- 3713 Views
- Last post by DEFISE
Tue Mar 08, 2022 12:13 pm
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- Specific X-wing
by philvo » Sat Feb 19, 2022 1:29 pm
- 0 Replies
- 1078 Views
- Last post by philvo
Sat Feb 19, 2022 1:29 pm
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- 【TECHNIQUE SHARE】ALS NET
by borescoper » Tue Jun 14, 2016 6:01 am
- 14 Replies
- 2668 Views
- Last post by AnotherLife
Sun Feb 13, 2022 10:21 am
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- Almost Locked Pair and Almost Locked Triple
by ghfick » Sat Sep 11, 2021 8:23 pm
- 6 Replies
- 2355 Views
- Last post by creint
Wed Feb 09, 2022 6:22 pm
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- I am primarily a pen and paper solver
by ghfick » Tue May 03, 2016 6:10 pm
- 17 Replies
- 6022 Views
- Last post by ghfick
Sat Feb 05, 2022 2:31 pm
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- Is there any original theory or any theory at all in TDP?
by denis_berthier » Sun Jan 23, 2022 10:05 am
- 47 Replies
- 8415 Views
- Last post by denis_berthier
Sat Jan 29, 2022 4:39 pm
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- AIC versus X- and XY-chain
by Hajime » Mon Jan 24, 2022 10:35 am
- 5 Replies
- 1456 Views
- Last post by Hajime
Wed Jan 26, 2022 8:45 am
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- Twin Empty Rectangles
by pjb » Fri Jan 14, 2022 10:36 pm
- 9 Replies
- 1364 Views
- Last post by rjamil
Sun Jan 16, 2022 4:04 pm
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- Blindfold Sudoku Tutorial
by Erratic Fungus » Sat May 29, 2021 6:36 pm
- 1 Replies
- 1439 Views
- Last post by xemnosyst
Sun Jan 09, 2022 4:03 pm
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- Abominable TRIAL-and-ERROR and lovely BRAIDS
by denis_berthier » Tue Oct 14, 2008 10:32 pm
- 115 Replies
- 31236 Views
- Last post by denis_berthier
Fri Jan 07, 2022 5:33 am
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- Weak Exocet
by borescoper » Wed Dec 08, 2021 10:22 am
- 0 Replies
- 1054 Views
- Last post by borescoper
Wed Dec 08, 2021 10:22 am
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- HoDoKu Documentation English (for Offline viewing)
by 1to9only » Wed Dec 01, 2021 8:13 pm
- 0 Replies
- 1085 Views
- Last post by 1to9only
Wed Dec 01, 2021 8:13 pm
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- Reducing the number of steps
by denis_berthier » Tue Jul 20, 2021 7:28 am
- 12 Replies
- 2125 Views
- Last post by DEFISE
Sun Oct 03, 2021 9:37 pm
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- DoubleBUG
by JRL » Tue Jul 06, 2021 2:43 pm
- 11 Replies
- 1575 Views
- Last post by marek stefanik
Mon Aug 02, 2021 1:09 pm
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- Mutant Exocet
by jovi_al01 » Mon Jul 26, 2021 9:35 pm
- 2 Replies
- 1306 Views
- Last post by jovi_al01
Tue Jul 27, 2021 3:51 am
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- Why isn't this a X-Chain?
by chitarup » Mon Mar 01, 2021 12:28 pm
- 6 Replies
- 1330 Views
- Last post by schroedermcken
Tue Jul 20, 2021 3:27 am
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- Fish links
by marek stefanik » Tue Jul 06, 2021 6:27 pm
- 1 Replies
- 1024 Views
- Last post by marek stefanik
Tue Jul 06, 2021 6:28 pm
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- UR Type 1
by Nidomy » Wed Jun 30, 2021 12:10 pm
- 5 Replies
- 1148 Views
- Last post by marek stefanik
Tue Jul 06, 2021 3:54 pm
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- Speed
by dirk » Wed Mar 03, 2021 6:33 pm
- 4 Replies
- 2522 Views
- Last post by Pupp
Thu Jul 01, 2021 2:38 pm
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- Spotting Skyscrapers
by Fortesque92 » Fri Apr 09, 2021 5:37 am
- 8 Replies
- 1389 Views
- Last post by Fortesque92
Tue Apr 13, 2021 2:45 am
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