Advanced solving techniques
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- y-chain/unique loop combination
by RobO » Sun Mar 01, 2009 5:29 pm - 13 Replies
- 1161 Views
- Last post by ronk
Mon Mar 02, 2009 9:52 am
- y-chain/unique loop combination
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- Nice Loop Question (again)
1, 2by hobiwan » Sat Dec 13, 2008 3:13 am - 25 Replies
- 3015 Views
- Last post by hobiwan
Mon Feb 23, 2009 5:30 pm
- Nice Loop Question (again)
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- More Monster Loops, Structure and Symmetry
1, 2by Allan Barker » Sat Jan 17, 2009 2:15 am - 21 Replies
- 3786 Views
- Last post by ronk
Sun Feb 22, 2009 11:29 pm
- More Monster Loops, Structure and Symmetry
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- Two-Sector Disjoint Subsets
1, 2, 3by Sue De Coq » Tue Oct 25, 2005 12:44 am - 38 Replies
- 49092 Views
- Last post by ronk
Mon Feb 16, 2009 7:27 am
- Two-Sector Disjoint Subsets
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- Double value X-Wing
by RobReeve » Mon Feb 16, 2009 3:20 am - 2 Replies
- 886 Views
- Last post by RobReeve
Mon Feb 16, 2009 7:04 am
- Double value X-Wing
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- Solving with Almost Sue De Coq: Extreme #122 (ASI#2d)
by DonM » Sun Jan 25, 2009 2:08 pm - 2 Replies
- 1402 Views
- Last post by DonM
Mon Jan 26, 2009 5:16 am
- Solving with Almost Sue De Coq: Extreme #122 (ASI#2d)
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- Solving with Almost Sue De Coq: Extreme #118 (ASI#2c)
by DonM » Sun Jan 25, 2009 1:19 pm - 2 Replies
- 1162 Views
- Last post by DonM
Mon Jan 26, 2009 4:00 am
- Solving with Almost Sue De Coq: Extreme #118 (ASI#2c)
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- POM: vulnerable triplet cells
by surbier » Fri Jan 09, 2009 8:22 am - 4 Replies
- 1609 Views
- Last post by surbier
Thu Jan 22, 2009 3:23 am
- POM: vulnerable triplet cells
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- Can someone simplify Sue de Cog for me?
by stumble » Thu Jan 15, 2009 4:38 am - 2 Replies
- 975 Views
- Last post by aran
Thu Jan 15, 2009 10:49 am
- Can someone simplify Sue de Cog for me?
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- almost-locked ranges?
by Bob Hanson » Sat Jan 03, 2009 7:38 pm - 3 Replies
- 1106 Views
- Last post by David P Bird
Tue Jan 13, 2009 10:17 pm
- almost-locked ranges?
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- DIC Chains
by Gee » Mon Jan 05, 2009 2:58 pm - 1 Replies
- 862 Views
- Last post by daj95376
Tue Jan 06, 2009 6:13 am
- DIC Chains
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- Almost Fishes patterns
1, 2, 3, 4by champagne » Sun Nov 30, 2008 11:44 pm - 49 Replies
- 6257 Views
- Last post by Allan Barker
Mon Jan 05, 2009 3:32 am
- Almost Fishes patterns
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- Great Monster Loops
1, 2, 3by Allan Barker » Sat Oct 25, 2008 6:03 am - 39 Replies
- 6214 Views
- Last post by Allan Barker
Sun Jan 04, 2009 2:12 am
- Great Monster Loops
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- XY & Extended XY-Wing/Complementary cells Example
by Bud » Mon Nov 24, 2008 2:41 pm - 10 Replies
- 1853 Views
- Last post by Luke
Fri Jan 02, 2009 7:30 pm
- XY & Extended XY-Wing/Complementary cells Example
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- Sashimi conjecture
by Bob Hanson » Fri Jan 02, 2009 3:06 am - 2 Replies
- 942 Views
- Last post by Bob Hanson
Fri Jan 02, 2009 6:59 am
- Sashimi conjecture
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- May be a silly question but....
by skgolfer » Wed Dec 24, 2008 2:21 am - 5 Replies
- 1541 Views
- Last post by skgolfer
Fri Dec 26, 2008 4:18 am
- May be a silly question but....
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- ALS-W-Wing Example
by Bud » Wed Dec 03, 2008 5:27 am - 7 Replies
- 1617 Views
- Last post by Bob Hanson
Tue Dec 23, 2008 2:17 am
- ALS-W-Wing Example
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- Sudoku Assistant -- 10000 method examples
by Bob Hanson » Tue Dec 23, 2008 12:04 am - 0 Replies
- 1686 Views
- Last post by Bob Hanson
Tue Dec 23, 2008 12:04 am
- Sudoku Assistant -- 10000 method examples
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- The Almost Sue De Coq -Part 2 (ASI#2b)
by DonM » Fri Nov 14, 2008 8:21 pm - 8 Replies
- 1924 Views
- Last post by aran
Fri Dec 19, 2008 9:46 pm
- The Almost Sue De Coq -Part 2 (ASI#2b)
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- remote triples
1, 2by StrmCkr » Fri Oct 24, 2008 2:50 pm - 25 Replies
- 3618 Views
- Last post by StrmCkr
Thu Dec 18, 2008 5:28 pm
- remote triples
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- Better Almost-XY-Wing Example
by Bud » Sat Nov 29, 2008 9:35 am - 3 Replies
- 1162 Views
- Last post by daj95376
Sat Nov 29, 2008 2:55 pm
- Better Almost-XY-Wing Example
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- XY-Chain Specifics
by daj95376 » Thu Nov 27, 2008 9:55 pm - 9 Replies
- 1778 Views
- Last post by DonM
Fri Nov 28, 2008 9:00 am
- XY-Chain Specifics
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- Easy ALS-XY-Wing Example
by Bud » Fri Nov 28, 2008 6:58 am - 3 Replies
- 1322 Views
- Last post by daj95376
Fri Nov 28, 2008 8:52 am
- Easy ALS-XY-Wing Example
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- ALS-XZ/vwxyz-Wing Example
by Bud » Mon Nov 17, 2008 3:54 pm - 2 Replies
- 1056 Views
- Last post by Bud
Tue Nov 18, 2008 4:18 pm
- ALS-XZ/vwxyz-Wing Example
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- Double W-Wing/Z-Color Wing Example
by Bud » Sat Nov 15, 2008 4:47 pm - 6 Replies
- 1441 Views
- Last post by Bud
Sun Nov 16, 2008 5:53 pm
- Double W-Wing/Z-Color Wing Example
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- Isolated Subpuzzles and Local Uniqueness
1 ... 5, 6, 7by Allan Barker » Sat Nov 08, 2008 7:59 am - 93 Replies
- 8101 Views
- Last post by RW
Fri Nov 14, 2008 10:03 pm
- Isolated Subpuzzles and Local Uniqueness
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- The Missng Almost Swordfish Pattern
by Bud » Mon Nov 10, 2008 6:55 am - 14 Replies
- 1411 Views
- Last post by Bud
Mon Nov 10, 2008 1:52 pm
- The Missng Almost Swordfish Pattern
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- BUG3/Mutant Z-Wing Example
by Bud » Thu Nov 06, 2008 8:43 am - 13 Replies
- 1617 Views
- Last post by Bud
Mon Nov 10, 2008 5:38 am
- BUG3/Mutant Z-Wing Example
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- Local Area Sets and Three Dimensional Sudoku
1 ... 4, 5, 6by Allan Barker » Thu Feb 21, 2008 9:33 am - 76 Replies
- 17051 Views
- Last post by champagne
Sun Nov 09, 2008 11:09 pm
- Local Area Sets and Three Dimensional Sudoku
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- Double XY-Wing Triangle
1, 2by Bud » Sat Nov 01, 2008 5:58 am - 21 Replies
- 3000 Views
- Last post by aran
Sun Nov 09, 2008 7:58 am
- Double XY-Wing Triangle
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- Hidden Power of the XY-Wing. The Z-Wing & Z-Turbot Fish
by Bud » Wed Sep 24, 2008 2:38 pm - 8 Replies
- 1853 Views
- Last post by ronk
Sat Nov 08, 2008 4:59 pm
- Hidden Power of the XY-Wing. The Z-Wing & Z-Turbot Fish
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- A UR+4 Deduction
by Myth Jellies » Wed Nov 05, 2008 11:27 pm - 14 Replies
- 1312 Views
- Last post by Myth Jellies
Fri Nov 07, 2008 10:29 am
- A UR+4 Deduction
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- The Almost Sue De Coq (ASI#2)
1, 2by DonM » Sun Oct 26, 2008 3:35 pm - 24 Replies
- 3152 Views
- Last post by DonM
Wed Nov 05, 2008 1:33 pm
- The Almost Sue De Coq (ASI#2)
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- BUG+2 or Z-color wing?
by Bud » Mon Nov 03, 2008 7:25 am - 5 Replies
- 991 Views
- Last post by Bud
Wed Nov 05, 2008 1:31 pm
- BUG+2 or Z-color wing?
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- "Only couples" solving strategy?
by Cashane » Sat Nov 01, 2008 4:10 pm - 3 Replies
- 1350 Views
- Last post by Cashane
Mon Nov 03, 2008 7:00 am
- "Only couples" solving strategy?
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- expanding sudoku horizons for "beginners"
by LeiSuLin » Sun Nov 02, 2008 5:10 pm - 1 Replies
- 958 Views
- Last post by StrmCkr
Sun Nov 02, 2008 5:27 pm
- expanding sudoku horizons for "beginners"
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- very basic sashimi fish question
by LeiSuLin » Tue Oct 28, 2008 5:36 pm - 3 Replies
- 929 Views
- Last post by LeiSuLin
Wed Oct 29, 2008 12:58 pm
- very basic sashimi fish question
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- The Illusion of Fata Morgana
1 ... 4, 5, 6by Allan Barker » Sat Sep 20, 2008 8:09 am - 80 Replies
- 11484 Views
- Last post by ttt
Wed Oct 29, 2008 12:34 am
- The Illusion of Fata Morgana
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