Advanced solving techniques
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- Alternating Inference Chains
1, 2, 3by Myth Jellies » Sat Apr 15, 2006 6:23 am - 40 Replies
- 44788 Views
- Last post by JasonLion
Wed Mar 23, 2011 6:59 pm
- Alternating Inference Chains
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- SwordFish Question
by kenr77 » Sat Mar 19, 2011 10:26 pm - 1 Replies
- 554 Views
- Last post by JasonLion
Sun Mar 20, 2011 2:07 am
- SwordFish Question
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- What technique is this?
by thomas129 » Mon Feb 07, 2011 6:46 pm - 2 Replies
- 548 Views
- Last post by RW
Tue Feb 08, 2011 10:51 am
- What technique is this?
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- BUG + 1 Not working
by JeJ » Tue Jan 18, 2011 3:22 am - 7 Replies
- 703 Views
- Last post by Pat
Mon Jan 24, 2011 1:00 pm
- BUG + 1 Not working
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- what's this solving technique
by docjohn » Fri Jan 07, 2011 7:25 pm - 5 Replies
- 544 Views
- Last post by docjohn
Tue Jan 11, 2011 4:53 am
- what's this solving technique
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- Why won't this BUG- Lite work?
by thomas129 » Sun Jan 09, 2011 8:27 pm - 1 Replies
- 441 Views
- Last post by daj95376
Sun Jan 09, 2011 8:44 pm
- Why won't this BUG- Lite work?
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- Is this a BUG-Lite ?
by ronk » Mon Dec 20, 2010 11:22 pm - 2 Replies
- 574 Views
- Last post by RW
Tue Dec 21, 2010 8:42 am
- Is this a BUG-Lite ?
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- Expanded Uniqueness Type?
by EnderGT » Mon Nov 29, 2010 5:45 pm - 2 Replies
- 586 Views
- Last post by EnderGT
Mon Nov 29, 2010 6:57 pm
- Expanded Uniqueness Type?
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- Solving Hardest Puzzles
by champagne » Wed Jul 28, 2010 9:41 am - 10 Replies
- 1176 Views
- Last post by StrmCkr
Fri Nov 05, 2010 5:18 pm
- Solving Hardest Puzzles
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- Hidden rectangles: old hat revisited
by StrmCkr » Tue Oct 19, 2010 10:07 am - 2 Replies
- 690 Views
- Last post by StrmCkr
Wed Oct 20, 2010 5:45 am
- Hidden rectangles: old hat revisited
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- Solution to Ocean's #4/gold
by gurth » Fri Nov 17, 2006 9:13 am - 14 Replies
- 4142 Views
- Last post by gurth
Sun Sep 12, 2010 3:17 pm
- Solution to Ocean's #4/gold
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- ALS-xz with set overlap
1, 2by ronk » Sun Sep 05, 2010 2:37 pm - 29 Replies
- 1188 Views
- Last post by JasonLion-Admin
Sun Sep 05, 2010 3:56 pm
- ALS-xz with set overlap
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- Advanced ALS Chains -A Tutorial ASI#3b
1, 2by DonM » Sun Sep 05, 2010 3:10 pm - 15 Replies
- 2468 Views
- Last post by JasonLion-Admin
Sun Sep 05, 2010 3:54 pm
- Advanced ALS Chains -A Tutorial ASI#3b
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- An alternative way to solve the hard 17 clue
1, 2by eleven » Mon May 24, 2010 11:25 pm - 19 Replies
- 1337 Views
- Last post by SteveK
Sat Jul 31, 2010 8:18 am
- An alternative way to solve the hard 17 clue
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- A question on 3D medusa coloring elimination rules
by surbier » Thu Jul 01, 2010 5:42 am - 0 Replies
- 782 Views
- Last post by surbier
Thu Jul 01, 2010 5:42 am
- A question on 3D medusa coloring elimination rules
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- non-ALS vwxyz-wing
by surbier » Wed May 26, 2010 6:20 pm - 6 Replies
- 853 Views
- Last post by surbier
Wed Jun 23, 2010 11:40 am
- non-ALS vwxyz-wing
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- Ultimate Lizard Guide
by tarek » Sun May 23, 2010 12:53 am - 2 Replies
- 797 Views
- Last post by tarek
Sun May 23, 2010 12:55 am
- Ultimate Lizard Guide
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- Challenge: New set of 11 'Unsolvables'
1 ... 5, 6, 7by AndrewStuart » Wed Sep 13, 2006 4:50 pm - 103 Replies
- 57537 Views
- Last post by BrianS
Sun May 17, 2009 10:47 am
- Challenge: New set of 11 'Unsolvables'
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- Bi-directional cycle + Unique Rectangle Typ 2
1, 2by claudiarabia » Mon May 04, 2009 8:04 pm - 16 Replies
- 1559 Views
- Last post by DonM
Tue May 05, 2009 7:27 pm
- Bi-directional cycle + Unique Rectangle Typ 2
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- missing deduction for xyt chains
1, 2by surbier » Sun May 03, 2009 4:46 pm - 17 Replies
- 1582 Views
- Last post by DonM
Mon May 04, 2009 10:33 pm
- missing deduction for xyt chains
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- BUG1 or BUG4 or not at all?
by claudiarabia » Thu Aug 21, 2008 7:56 am - 7 Replies
- 1475 Views
- Last post by daj95376
Sat May 02, 2009 4:52 pm
- BUG1 or BUG4 or not at all?
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- TNU
by Neunmalneun » Tue Mar 31, 2009 5:30 pm - 10 Replies
- 998 Views
- Last post by eleven
Wed Apr 01, 2009 9:05 pm
- TNU
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- Expanded XY-Chain Patterns
1, 2by Bud » Thu Mar 19, 2009 11:58 pm - 17 Replies
- 2033 Views
- Last post by Bud
Mon Mar 23, 2009 7:21 pm
- Expanded XY-Chain Patterns
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- UR Type 5 Example
by hobiwan » Mon Mar 23, 2009 12:32 am - 0 Replies
- 750 Views
- Last post by hobiwan
Mon Mar 23, 2009 12:32 am
- UR Type 5 Example
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- Obscured: Unique Rectangle:
by StrmCkr » Mon Mar 16, 2009 5:46 am - 12 Replies
- 1362 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
- 2165 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
- 764 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
- 709 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
- 1375 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
- 841 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
- 2381 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
- 1158 Views
- Last post by ronk
Mon Mar 02, 2009 9:52 am
- y-chain/unique loop combination
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