Advanced solving techniques
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- Uniqueness clue cover
by jco » Sun Jan 22, 2023 2:26 am - 2 Replies
- 108 Views
- Last post by StrmCkr
Mon Jan 23, 2023 1:05 am
- Uniqueness clue cover
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- ORk-Forcing-Whips, ORk-Contrad-Whips and ORk-whips
by denis_berthier » Mon Aug 01, 2022 8:27 am - 9 Replies
- 493 Views
- Last post by denis_berthier
Fri Jan 13, 2023 12:21 pm
- ORk-Forcing-Whips, ORk-Contrad-Whips and ORk-whips
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- Pattern Overlay Method
1, 2by P.O. » Thu Jul 28, 2022 5:22 am - 15 Replies
- 563 Views
- Last post by Mathimagics
Wed Dec 14, 2022 9:11 am
- Pattern Overlay Method
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- Eleven's variable replacement method and its complexity
by denis_berthier » Tue Aug 10, 2021 4:45 am - 12 Replies
- 1505 Views
- Last post by denis_berthier
Wed Dec 07, 2022 4:46 pm
- Eleven's variable replacement method and its complexity
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- The tridagon rule
1 ... 6, 7, 8by denis_berthier » Sun Mar 13, 2022 9:09 am - 110 Replies
- 5234 Views
- Last post by denis_berthier
Thu Dec 01, 2022 4:06 am
- The tridagon rule
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- Possibly a new Hidden UR?
by sos440 » Mon Nov 28, 2022 1:04 pm - 1 Replies
- 141 Views
- Last post by Pat-Moderator
Wed Nov 30, 2022 11:10 am
- Possibly a new Hidden UR?
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- AIC building using Graded Equivalence Marking
by swolar » Sun Oct 16, 2022 3:46 am - 9 Replies
- 344 Views
- Last post by eleven
Mon Nov 14, 2022 10:31 pm
- AIC building using Graded Equivalence Marking
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- Another Sue De Coq puzzle from Hodoku.
by Yogi » Fri Nov 04, 2022 11:21 pm - 8 Replies
- 201 Views
- Last post by pjb
Thu Nov 10, 2022 11:14 pm
- Another Sue De Coq puzzle from Hodoku.
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- New type of GSP?
1, 2by shye » Wed Oct 26, 2022 3:57 pm - 18 Replies
- 461 Views
- Last post by ryokousha
Mon Oct 31, 2022 10:33 am
- New type of GSP?
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- sue de coq & Deathblossom
by StrmCkr » Wed Oct 19, 2022 10:24 pm - 0 Replies
- 142 Views
- Last post by StrmCkr
Wed Oct 19, 2022 10:24 pm
- sue de coq & Deathblossom
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- How To Spot a Sue De Coq
by Yogi » Mon Sep 26, 2022 9:25 pm - 2 Replies
- 200 Views
- Last post by jco
Wed Sep 28, 2022 10:11 pm
- How To Spot a Sue De Coq
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- The T&E-depth of a resolution rule
by denis_berthier » Fri Mar 25, 2022 6:55 am - 6 Replies
- 414 Views
- Last post by denis_berthier
Sat Aug 27, 2022 11:40 am
- The T&E-depth of a resolution rule
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- Fully supersymmetric chains
1 ... 15, 16, 17by denis_berthier » Wed Aug 15, 2007 5:31 am - 246 Replies
- 71590 Views
- Last post by denis_berthier
Sat Aug 27, 2022 7:06 am
- Fully supersymmetric chains
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- g-whips and g-braids
1, 2, 3by denis_berthier » Sun Mar 27, 2011 10:35 am - 32 Replies
- 4404 Views
- Last post by yzfwsf
Thu Aug 04, 2022 4:22 am
- g-whips and g-braids
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- more on whips, braids, T&E...
1, 2, 3by denis_berthier » Sun Mar 27, 2011 6:53 am - 41 Replies
- 7882 Views
- Last post by denis_berthier
Tue Aug 02, 2022 8:03 am
- more on whips, braids, T&E...
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- Is there a simpler way to solve this?
1, 2, 3, 4by Nick70 » Sun Nov 20, 2005 12:03 pm - 56 Replies
- 45430 Views
- Last post by simonbrecher
Sun Jun 26, 2022 11:50 am
- Is there a simpler way to solve this?
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- Sue de Coq
by Wepwawet » Tue Apr 26, 2022 8:16 pm - 12 Replies
- 485 Views
- Last post by StrmCkr
Mon May 02, 2022 11:17 am
- Sue de Coq
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- Forcing T&E
1, 2by denis_berthier » Sat Jan 09, 2021 10:30 am - 28 Replies
- 1739 Views
- Last post by DEFISE
Tue Mar 08, 2022 12:13 pm
- Forcing T&E
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- Specific X-wing
by philvo » Sat Feb 19, 2022 1:29 pm - 0 Replies
- 294 Views
- Last post by philvo
Sat Feb 19, 2022 1:29 pm
- Specific X-wing
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- 【TECHNIQUE SHARE】ALS NET
by borescoper » Tue Jun 14, 2016 6:01 am - 14 Replies
- 1608 Views
- Last post by AnotherLife
Sun Feb 13, 2022 10:21 am
- 【TECHNIQUE SHARE】ALS NET
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- Almost Locked Pair and Almost Locked Triple
by ghfick » Sat Sep 11, 2021 8:23 pm - 6 Replies
- 874 Views
- Last post by creint
Wed Feb 09, 2022 6:22 pm
- Almost Locked Pair and Almost Locked Triple
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- I am primarily a pen and paper solver
1, 2
by ghfick » Tue May 03, 2016 6:10 pm
- 17 Replies
- 3581 Views
- Last post by ghfick
Sat Feb 05, 2022 2:31 pm
- I am primarily a pen and paper solver
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- Is there any original theory or any theory at all in TDP?
1, 2, 3, 4by denis_berthier » Sun Jan 23, 2022 10:05 am - 47 Replies
- 2347 Views
- Last post by denis_berthier
Sat Jan 29, 2022 4:39 pm
- Is there any original theory or any theory at all in TDP?
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- AIC versus X- and XY-chain
by Hajime » Mon Jan 24, 2022 10:35 am - 5 Replies
- 404 Views
- Last post by Hajime
Wed Jan 26, 2022 8:45 am
- AIC versus X- and XY-chain
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- Twin Empty Rectangles
by pjb » Fri Jan 14, 2022 10:36 pm - 9 Replies
- 428 Views
- Last post by rjamil
Sun Jan 16, 2022 4:04 pm
- Twin Empty Rectangles
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- Blindfold Sudoku Tutorial
by Erratic Fungus » Sat May 29, 2021 6:36 pm - 1 Replies
- 557 Views
- Last post by xemnosyst
Sun Jan 09, 2022 4:03 pm
- Blindfold Sudoku Tutorial
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- Abominable TRIAL-and-ERROR and lovely BRAIDS
1 ... 6, 7, 8by denis_berthier » Tue Oct 14, 2008 10:32 pm - 115 Replies
- 22436 Views
- Last post by denis_berthier
Fri Jan 07, 2022 5:33 am
- Abominable TRIAL-and-ERROR and lovely BRAIDS
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- Weak Exocet
by borescoper » Wed Dec 08, 2021 10:22 am - 0 Replies
- 372 Views
- Last post by borescoper
Wed Dec 08, 2021 10:22 am
- Weak Exocet
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- HoDoKu Documentation English (for Offline viewing)
by 1to9only » Wed Dec 01, 2021 8:13 pm - 0 Replies
- 322 Views
- Last post by 1to9only
Wed Dec 01, 2021 8:13 pm
- HoDoKu Documentation English (for Offline viewing)
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- Reducing the number of steps
by denis_berthier » Tue Jul 20, 2021 7:28 am - 12 Replies
- 948 Views
- Last post by DEFISE
Sun Oct 03, 2021 9:37 pm
- Reducing the number of steps
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- DoubleBUG
by JRL » Tue Jul 06, 2021 2:43 pm - 11 Replies
- 599 Views
- Last post by marek stefanik
Mon Aug 02, 2021 1:09 pm
- DoubleBUG
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- Mutant Exocet
by jovi_al01 » Mon Jul 26, 2021 9:35 pm - 2 Replies
- 466 Views
- Last post by jovi_al01
Tue Jul 27, 2021 3:51 am
- Mutant Exocet
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