Advanced solving techniques
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- Spotting Skyscrapers
by Fortesque92 » Fri Apr 09, 2021 5:37 am - 8 Replies
- 1479 Views
- Last post by Fortesque92
Tue Apr 13, 2021 2:45 am
- Spotting Skyscrapers
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- Is this a case of BUG+3?
by FairyTailed » Thu Jan 02, 2020 10:14 pm - 8 Replies
- 2094 Views
- Last post by oldenumber77
Sun Feb 14, 2021 1:24 am
- Is this a case of BUG+3?
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- Forcing net <-> Dynamic Forcing chains
by Hajime » Sat Feb 13, 2021 3:30 pm - 5 Replies
- 1421 Views
- Last post by creint
Sat Feb 13, 2021 10:25 pm
- Forcing net <-> Dynamic Forcing chains
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- Questions about PBCS
1, 2, 3, 4by Mauriès Robert » Fri Jan 15, 2021 6:22 pm - 46 Replies
- 5872 Views
- Last post by denis_berthier
Thu Feb 11, 2021 10:14 am
- Questions about PBCS
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- Anti-backdoors
by denis_berthier » Fri Feb 05, 2021 8:43 am - 5 Replies
- 1385 Views
- Last post by Mauriès Robert
Mon Feb 08, 2021 3:08 pm
- Anti-backdoors
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- Phistomefel's Theorem
by Wecoc » Sat Nov 14, 2020 7:28 pm - 5 Replies
- 31314 Views
- Last post by Wecoc
Wed Nov 25, 2020 11:00 pm
- Phistomefel's Theorem
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- Solving Sudoku without a pencil mark
by Dipro » Sat May 09, 2020 11:06 am - 2 Replies
- 1613 Views
- Last post by Hajime
Tue Nov 17, 2020 10:00 am
- Solving Sudoku without a pencil mark
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- How to call this pattern
by urhegyi » Wed Nov 04, 2020 12:00 am
- 12 Replies
- 1944 Views
- Last post by SpAce
Sun Nov 08, 2020 2:47 am
- How to call this pattern
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- "Schroedinger Cells"
by mith » Wed Oct 21, 2020 2:37 am - 7 Replies
- 4299 Views
- Last post by pjb
Sun Oct 25, 2020 12:06 am
- "Schroedinger Cells"
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- TDP versus FORCING BRAIDS
1 ... 4, 5, 6by denis_berthier » Wed Feb 12, 2020 4:31 am - 79 Replies
- 10222 Views
- Last post by SpAce
Thu Sep 17, 2020 12:45 am
- TDP versus FORCING BRAIDS
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- Fin Transport/ Irregular "xy-Wings" aka Kraken fish
by StrmCkr » Mon Feb 27, 2017 7:58 am - 3 Replies
- 4100 Views
- Last post by StrmCkr
Wed Jul 29, 2020 5:58 am
- Fin Transport/ Irregular "xy-Wings" aka Kraken fish
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- Bug + n Example(Implemented by my Solver)
1, 2 by yzfwsf » Sat Jun 27, 2020 11:30 pm
- 19 Replies
- 3606 Views
- Last post by rjamil
Wed Jul 15, 2020 11:55 am
- Bug + n Example(Implemented by my Solver)
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- How to name this pattern
1, 2, 3 by yzfwsf » Tue Feb 25, 2020 11:39 pm
- 33 Replies
- 5575 Views
- Last post by 999_Springs
Wed Jun 24, 2020 2:28 pm
- How to name this pattern
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- Chain Trees and Chaining Related Values
by mac_sudo » Sun Jun 21, 2020 10:18 pm - 0 Replies
- 1129 Views
- Last post by mac_sudo
Sun Jun 21, 2020 10:18 pm
- Chain Trees and Chaining Related Values
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- Typed-chains (2D-chains)
by denis_berthier » Wed Apr 22, 2020 5:30 am - 13 Replies
- 2127 Views
- Last post by denis_berthier
Mon Jun 15, 2020 6:07 am
- Typed-chains (2D-chains)
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- Fish with chains
by Wepwawet » Sat Apr 11, 2020 2:13 am
- 3 Replies
- 1397 Views
- Last post by Cenoman
Thu Apr 16, 2020 1:22 pm
- Fish with chains
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- What it this technique called?
by docjohn » Wed Mar 04, 2020 1:51 pm
- 2 Replies
- 1350 Views
- Last post by Wepwawet
Sat Apr 11, 2020 2:23 am
- What it this technique called?
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- Essential exclusions
by rjamil » Sun Mar 29, 2020 9:50 pm - 12 Replies
- 1618 Views
- Last post by StrmCkr
Wed Apr 01, 2020 8:18 pm
- Essential exclusions
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- AIC and TDP
1, 2, 3by Mauriès Robert » Fri Dec 20, 2019 1:03 pm - 40 Replies
- 5955 Views
- Last post by Mauriès Robert
Wed Feb 19, 2020 8:12 pm
- AIC and TDP
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- Grouped X-Loop
by tarek » Tue Jan 14, 2020 10:09 pm - 3 Replies
- 318 Views
- Last post by tarek
Sun Jan 19, 2020 7:28 pm
- Grouped X-Loop
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- Name these patterns
by pjb » Tue Jan 14, 2020 11:57 pm - 7 Replies
- 1592 Views
- Last post by tarek
Wed Jan 15, 2020 1:30 pm
- Name these patterns
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- 2 fish in 1 ?Siamese
by tarek » Sun Jan 05, 2020 9:23 pm - 4 Replies
- 1568 Views
- Last post by tarek
Mon Jan 06, 2020 2:02 pm
- 2 fish in 1 ?Siamese
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- Shall I just add the word Ring?
by tarek » Fri Jan 03, 2020 12:34 pm - 12 Replies
- 1642 Views
- Last post by tarek
Sat Jan 04, 2020 8:56 pm
- Shall I just add the word Ring?
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- What's wrong with XY-loops?
1, 2, 3, 4by SpAce » Tue Oct 03, 2017 1:38 am - 48 Replies
- 8543 Views
- Last post by FairyTailed
Thu Jan 02, 2020 10:20 pm
- What's wrong with XY-loops?
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- Almost-binary puzzle
1, 2by qiuyanzhe » Sat Dec 14, 2019 5:50 am - 20 Replies
- 4734 Views
- Last post by StrmCkr
Thu Dec 19, 2019 10:20 am
- Almost-binary puzzle
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- Empty mini-Area (EmA): EmR and EmL
by tarek » Thu Dec 12, 2019 6:36 pm - 2 Replies
- 1377 Views
- Last post by tarek
Thu Dec 12, 2019 6:36 pm
- Empty mini-Area (EmA): EmR and EmL
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- SK-Loops and MSLS's
1 ... 4, 5, 6 by Ajò Dimonios » Wed Nov 20, 2019 10:49 am
- 79 Replies
- 13738 Views
- Last post by SpAce
Sat Dec 07, 2019 12:04 am
- SK-Loops and MSLS's
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- How to analyze this technique?
by qiuyanzhe » Fri Dec 06, 2019 5:55 am - 2 Replies
- 1331 Views
- Last post by SpAce
Fri Dec 06, 2019 6:52 am
- How to analyze this technique?
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- Irregular (W)XYZ-Wings
by rjamil » Sat Feb 04, 2017 7:54 pm - 12 Replies
- 5701 Views
- Last post by rjamil
Mon Nov 25, 2019 5:57 pm
- Irregular (W)XYZ-Wings
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- Technical of tracks (TDP)
1, 2, 3, 4 by Mauriès Robert » Thu Nov 07, 2019 2:31 pm
- 59 Replies
- 10039 Views
- Last post by Mauriès Robert
Sat Nov 23, 2019 10:18 am
- Technical of tracks (TDP)
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- ALS - S - Wing
by StrmCkr » Mon Nov 18, 2019 1:59 pm - 1 Replies
- 3294 Views
- Last post by SpAce
Mon Nov 18, 2019 3:18 pm
- ALS - S - Wing
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- Als- W- Wings & Rings
by StrmCkr » Tue Nov 12, 2019 3:38 pm - 8 Replies
- 4217 Views
- Last post by StrmCkr
Mon Nov 18, 2019 2:25 am
- Als- W- Wings & Rings
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- Als - M Wings & Rings
by StrmCkr » Fri Nov 15, 2019 11:40 am - 0 Replies
- 2739 Views
- Last post by StrmCkr
Fri Nov 15, 2019 11:40 am
- Als - M Wings & Rings
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- X-Chain question
by SpecialSauce » Tue Jul 02, 2019 3:51 am - 1 Replies
- 1364 Views
- Last post by StrmCkr
Tue Aug 06, 2019 7:27 pm
- X-Chain question
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- A new promising sudoku technique: The Slot Machine
1, 2by Wecoc » Thu Jun 27, 2019 12:31 am - 20 Replies
- 9653 Views
- Last post by SpAce
Mon Jul 15, 2019 7:27 pm
- A new promising sudoku technique: The Slot Machine
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