Advanced solving techniques
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- Obscured: Unique Rectangle:
by StrmCkr » Mon Mar 16, 2009 5:46 am - 12 Replies
- 2152 Views
- Last post by StrmCkr
Tue Mar 17, 2009 12:21 am
- Obscured: Unique Rectangle:
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- Did I do this right?
1, 2by EnderGT » Wed Mar 11, 2009 4:27 am - 20 Replies
- 3645 Views
- Last post by ronk
Sun Mar 15, 2009 11:27 pm
- Did I do this right?
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- 2 ER-Linked ALS-XZ Example
by Bud » Sun Mar 15, 2009 12:56 am - 1 Replies
- 1601 Views
- Last post by aran
Sun Mar 15, 2009 4:18 am
- 2 ER-Linked ALS-XZ Example
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- GUG or GLOG or what ?
by sarker306 » Fri Mar 13, 2009 5:51 pm - 1 Replies
- 1468 Views
- Last post by ronk
Fri Mar 13, 2009 11:42 pm
- GUG or GLOG or what ?
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- Sky - Wings (biplane) { Edit: rediscoverd (W-wing)}
by StrmCkr » Wed Feb 25, 2009 5:44 pm - 9 Replies
- 2211 Views
- Last post by StrmCkr
Mon Mar 09, 2009 6:11 pm
- Sky - Wings (biplane) { Edit: rediscoverd (W-wing)}
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- An ER-Linked XY-Wing Example
by Bud » Sat Mar 07, 2009 6:58 am - 1 Replies
- 1573 Views
- Last post by Luke
Sat Mar 07, 2009 11:00 am
- An ER-Linked XY-Wing Example
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- Asymmetric Sudoku
by yugal » Wed Mar 04, 2009 2:10 am - 3 Replies
- 4136 Views
- Last post by m_b_metcalf
Wed Mar 04, 2009 3:13 pm
- Asymmetric Sudoku
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- y-chain/unique loop combination
by RobO » Sun Mar 01, 2009 5:29 pm - 13 Replies
- 2045 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
- 4809 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
- 6391 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
- 56160 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
- 1652 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
- 2301 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
- 2198 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
- 2414 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
- 1769 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
- 1903 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
- 1651 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
- 10260 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
- 9427 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
- 2729 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
- 1687 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
- 2296 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
- 2574 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
- 2559 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
- 2926 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
- 5649 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
- 1926 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
- 2770 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
- 2084 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
- 1899 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
- 2243 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
- 13953 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
- 2392 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
- 2544 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
- 23663 Views
- Last post by champagne
Sun Nov 09, 2008 11:09 pm
- Local Area Sets and Three Dimensional Sudoku
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