Advanced solving techniques
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- I need help with this forcing chain
by Jasper32 » Sun Mar 09, 2008 5:03 pm - 11 Replies
- 2896 Views
- Last post by Pat
Tue Mar 11, 2008 3:09 pm
- I need help with this forcing chain
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- Logical use of uniqueness technique in an uniqueness test
1, 2by RW » Thu Apr 27, 2006 1:58 pm - 28 Replies
- 17126 Views
- Last post by ronk
Sun Mar 09, 2008 1:41 pm
- Logical use of uniqueness technique in an uniqueness test
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- skyscraper?
by jcbarber » Tue Mar 04, 2008 12:35 am - 2 Replies
- 1841 Views
- Last post by jcbarber
Tue Mar 04, 2008 2:08 am
- skyscraper?
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- General method fos solving sudoku-like puzzles
by milko » Wed Feb 06, 2008 7:53 pm - 13 Replies
- 4560 Views
- Last post by Red Ed
Sun Mar 02, 2008 3:53 pm
- General method fos solving sudoku-like puzzles
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- Cramer system
by ChPicard » Sun Mar 02, 2008 11:55 am - 1 Replies
- 2156 Views
- Last post by ab
Sun Mar 02, 2008 1:59 pm
- Cramer system
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- Problem with short forcing chain
by Jasper32 » Sun Feb 24, 2008 4:42 pm - 13 Replies
- 2784 Views
- Last post by Mike Barker
Tue Feb 26, 2008 1:35 am
- Problem with short forcing chain
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- X2Y2-BELTS
1, 2by denis_berthier » Sat Feb 09, 2008 4:56 pm - 15 Replies
- 6809 Views
- Last post by denis_berthier
Fri Feb 22, 2008 8:43 am
- X2Y2-BELTS
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- solving with colors
by Renald » Fri Feb 15, 2008 6:14 pm - 2 Replies
- 2051 Views
- Last post by Renald
Sat Feb 16, 2008 5:01 pm
- solving with colors
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- Y-wing-meets-finned-swordfish
by 999_Springs » Sun Feb 03, 2008 10:05 pm - 5 Replies
- 2466 Views
- Last post by ronk
Mon Feb 04, 2008 4:54 pm
- Y-wing-meets-finned-swordfish
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- can somone please explain this to me better
by Kunegochu » Wed Jan 23, 2008 8:42 am - 4 Replies
- 2510 Views
- Last post by daj95376
Thu Jan 24, 2008 2:03 am
- can somone please explain this to me better
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- Technique Help
by viper » Wed Nov 22, 2006 7:42 pm - 9 Replies
- 7152 Views
- Last post by Pat
Thu Jan 17, 2008 10:51 am
- Technique Help
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- The Sudoku-X FISH appendix
1, 2by Ruud » Mon Nov 06, 2006 8:40 pm - 28 Replies
- 8604 Views
- Last post by tarek
Tue Jan 15, 2008 4:14 pm
- The Sudoku-X FISH appendix
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- Solving Puzzles Using Triangles
by bandnerd37 » Fri Dec 28, 2007 5:56 am - 1 Replies
- 3654 Views
- Last post by Mike Barker
Sun Dec 30, 2007 11:06 pm
- Solving Puzzles Using Triangles
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- Remote Pairs, and variations
by keith » Sun Dec 30, 2007 1:06 am - 0 Replies
- 2008 Views
- Last post by keith
Sun Dec 30, 2007 1:06 am
- Remote Pairs, and variations
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- What do you get if you cross an ER with a Y-wing?
by 999_Springs » Sun Dec 23, 2007 8:21 pm - 1 Replies
- 1884 Views
- Last post by Mike Barker
Mon Dec 24, 2007 1:33 am
- What do you get if you cross an ER with a Y-wing?
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- Easter Monster defeated by logic and Christmas presents !
by aran » Tue Dec 18, 2007 9:44 pm - 3 Replies
- 3118 Views
- Last post by champagne
Sat Dec 22, 2007 10:17 am
- Easter Monster defeated by logic and Christmas presents !
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- Naked Triples
by zr1skydiver » Wed Dec 12, 2007 1:02 am - 5 Replies
- 3126 Views
- Last post by JPF
Wed Dec 12, 2007 8:29 pm
- Naked Triples
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- chain rule
by zr1skydiver » Thu Dec 06, 2007 6:25 pm - 2 Replies
- 3366 Views
- Last post by Ruud
Sat Dec 08, 2007 11:20 am
- chain rule
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- New Member says hi
by bwaldeck » Tue Dec 04, 2007 5:58 am - 0 Replies
- 1911 Views
- Last post by bwaldeck
Tue Dec 04, 2007 5:58 am
- New Member says hi
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- Is there a technique called the chain rule in sudoku?
by Chessmaster » Sat Nov 10, 2007 1:48 am - 3 Replies
- 3044 Views
- Last post by MARK DEVILBISS
Tue Dec 04, 2007 1:11 am
- Is there a technique called the chain rule in sudoku?
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- Hello!
by Carcul » Sat Nov 24, 2007 11:29 am - 3 Replies
- 2969 Views
- Last post by Mike Barker
Sun Nov 25, 2007 5:17 am
- Hello!
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- Hidden Numbers on Row/Column/Block
by ttt » Fri Mar 02, 2007 7:56 am - 9 Replies
- 7600 Views
- Last post by ttt
Sat Nov 10, 2007 4:56 pm
- Hidden Numbers on Row/Column/Block
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- Call for contribution
by champagne » Thu Sep 20, 2007 2:18 pm - 7 Replies
- 5072 Views
- Last post by champagne
Tue Nov 06, 2007 10:00 pm
- Call for contribution
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- Kraken Fish
1, 2by Mike Barker » Thu Dec 14, 2006 5:36 am - 19 Replies
- 14834 Views
- Last post by ronk
Fri Nov 02, 2007 5:02 pm
- Kraken Fish
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- A generalized solving method
by kitwoolsey » Sat Feb 10, 2007 6:47 am - 7 Replies
- 7567 Views
- Last post by Mike Barker
Sat Oct 27, 2007 1:00 am
- A generalized solving method
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- Common consequenes of mutually exclusive possibilities
by pdelvigna » Tue Oct 23, 2007 11:34 pm - 2 Replies
- 2729 Views
- Last post by RW
Fri Oct 26, 2007 1:58 pm
- Common consequenes of mutually exclusive possibilities
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- Turbo Fish ....revisited
by Gee » Tue Oct 23, 2007 5:08 pm - 13 Replies
- 4927 Views
- Last post by wintder
Thu Oct 25, 2007 9:46 pm
- Turbo Fish ....revisited
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- a multisolutional sudoku solved by uniqueness
1, 2by claudiarabia » Sat Aug 18, 2007 11:50 am - 23 Replies
- 9719 Views
- Last post by 999_Springs
Mon Oct 22, 2007 7:32 pm
- a multisolutional sudoku solved by uniqueness
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- Anyone tried the top secret sudoku system?
by drstephenkerr » Thu Oct 11, 2007 12:22 am - 1 Replies
- 2626 Views
- Last post by DreamCH
Thu Oct 18, 2007 9:45 am
- Anyone tried the top secret sudoku system?
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- Turbo Fish Logic problem
by Gee » Sun Oct 14, 2007 6:35 pm - 2 Replies
- 2241 Views
- Last post by keith
Sun Oct 14, 2007 10:00 pm
- Turbo Fish Logic problem
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- Your methods of solving an "extreme" sudoku puzzle
1, 2by andre43 » Fri Sep 14, 2007 8:36 am - 29 Replies
- 12602 Views
- Last post by Myth Jellies
Sat Oct 13, 2007 6:44 pm
- Your methods of solving an "extreme" sudoku puzzle
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- Links: Not in MY House!
1, 2by keith » Sun Sep 30, 2007 7:45 pm - 17 Replies
- 7382 Views
- Last post by keith
Tue Oct 02, 2007 11:05 pm
- Links: Not in MY House!
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- Top Secret Sudoku System
by drstephenkerr » Sat Sep 22, 2007 4:15 am - 0 Replies
- 2858 Views
- Last post by drstephenkerr
Sat Sep 22, 2007 4:15 am
- Top Secret Sudoku System
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- Different paths in a single ALS Chain?
by andre43 » Sun Sep 09, 2007 9:04 am - 7 Replies
- 3625 Views
- Last post by andre43
Thu Sep 13, 2007 2:32 pm
- Different paths in a single ALS Chain?
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- Questions about ALS’s and overlapping cells
by Sudtyro » Mon Sep 03, 2007 9:46 pm - 14 Replies
- 7212 Views
- Last post by Sudtyro
Mon Sep 10, 2007 11:25 am
- Questions about ALS’s and overlapping cells
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- Let's build a zoo...
1, 2by algernon » Mon Jul 03, 2006 7:46 pm - 26 Replies
- 24126 Views
- Last post by Steve R
Tue Sep 04, 2007 4:59 pm
- Let's build a zoo...
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- xyt-chains
1, 2, 3by denis_berthier » Wed Jul 25, 2007 7:33 am - 34 Replies
- 20488 Views
- Last post by denis_berthier
Fri Aug 31, 2007 7:13 am
- xyt-chains
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