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- How Hard should this puzzle have been
by Chessmaster » Fri Feb 09, 2007 10:45 pm - 4 Replies
- 2085 Views
- Last post by wapati
Wed Feb 14, 2007 12:56 am
- How Hard should this puzzle have been
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- Human composed Sudoku vs Machine made
1, 2, 3by chuckfresno » Sun Jun 12, 2005 9:58 pm - 38 Replies
- 32546 Views
- Last post by Pat
Thu Feb 08, 2007 1:09 pm
- Human composed Sudoku vs Machine made
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- Cascade of Eliminations for a Single Digit
by daj95376 » Thu Jan 25, 2007 4:37 am - 3 Replies
- 2854 Views
- Last post by daj95376
Thu Jan 25, 2007 5:30 pm
- Cascade of Eliminations for a Single Digit
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- Multiply Solution
by Papy » Mon Jan 22, 2007 12:01 pm - 1 Replies
- 1794 Views
- Last post by Papy
Thu Jan 25, 2007 10:30 am
- Multiply Solution
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- To solve hardest Sudoku
1, 2by Papy » Sun Jan 21, 2007 11:08 am - 19 Replies
- 6556 Views
- Last post by Papy
Thu Jan 25, 2007 8:34 am
- To solve hardest Sudoku
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- Struggle on Medium level on the sudoku
by Monaila » Mon Jan 22, 2007 4:03 am - 0 Replies
- 1518 Views
- Last post by Monaila
Mon Jan 22, 2007 4:03 am
- Struggle on Medium level on the sudoku
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- Are digits importants?
by Papy » Sat Jan 20, 2007 8:15 pm - 3 Replies
- 2189 Views
- Last post by Red Ed
Sun Jan 21, 2007 10:24 am
- Are digits importants?
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- Help to generate the initial grid of sudoku
by gianky_2007 » Thu Jan 18, 2007 9:32 pm - 3 Replies
- 2500 Views
- Last post by RW
Fri Jan 19, 2007 10:14 am
- Help to generate the initial grid of sudoku
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- Finned Swordfish Plus Quasi-Empty Rectangle Pattern
by daj95376 » Sat Jan 13, 2007 8:19 pm - 3 Replies
- 2684 Views
- Last post by wapati
Mon Jan 15, 2007 8:29 pm
- Finned Swordfish Plus Quasi-Empty Rectangle Pattern
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- Getting your head around the xz ALS rule
by tonyjer » Mon Jan 08, 2007 8:30 pm - 2 Replies
- 3667 Views
- Last post by tonyjer
Tue Jan 09, 2007 8:28 pm
- Getting your head around the xz ALS rule
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- Where to publish a Sudoku research paper?
by Drjsguo » Sun Oct 29, 2006 2:49 pm - 3 Replies
- 5414 Views
- Last post by richardm
Tue Jan 02, 2007 12:53 pm
- Where to publish a Sudoku research paper?
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- Sudoku on MySpace
by Pi » Mon Jan 01, 2007 7:12 pm - 0 Replies
- 2789 Views
- Last post by Pi
Mon Jan 01, 2007 7:12 pm
- Sudoku on MySpace
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- Overlapping Empty Rectangles ???
by daj95376 » Wed Dec 27, 2006 1:32 am - 3 Replies
- 4013 Views
- Last post by wapati
Wed Dec 27, 2006 10:20 pm
- Overlapping Empty Rectangles ???
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- Complex Single-Digit Double Implication Chains/Nets
by daj95376 » Tue Dec 19, 2006 1:48 pm - 0 Replies
- 2653 Views
- Last post by daj95376
Tue Dec 19, 2006 1:48 pm
- Complex Single-Digit Double Implication Chains/Nets
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- Sashimi Swordfish ???
by daj95376 » Tue Dec 12, 2006 5:27 am - 13 Replies
- 6432 Views
- Last post by ronk
Sun Dec 17, 2006 2:04 pm
- Sashimi Swordfish ???
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- Record XY-Wing ???
by daj95376 » Thu Dec 14, 2006 10:42 pm - 1 Replies
- 1738 Views
- Last post by udosuk
Fri Dec 15, 2006 6:42 am
- Record XY-Wing ???
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- Multi solutions
by Papy » Sat Dec 09, 2006 5:12 pm - 0 Replies
- 2087 Views
- Last post by Papy
Sat Dec 09, 2006 5:12 pm
- Multi solutions
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- XY-Chain Shorthand
by daj95376 » Wed Dec 06, 2006 12:35 pm - 3 Replies
- 5944 Views
- Last post by daj95376
Wed Dec 06, 2006 6:52 pm
- XY-Chain Shorthand
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- On specific grids and difficulty of their puzzles
by Mauricio » Wed Dec 06, 2006 2:45 am - 1 Replies
- 4700 Views
- Last post by RW
Wed Dec 06, 2006 10:25 am
- On specific grids and difficulty of their puzzles
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- Help with 17-clue puzzles
by m_b_metcalf » Wed Dec 06, 2006 12:20 am - 2 Replies
- 2188 Views
- Last post by m_b_metcalf
Wed Dec 06, 2006 2:33 am
- Help with 17-clue puzzles
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- Gemstone from M_B_Metcalf
by daj95376 » Tue Dec 05, 2006 9:39 pm - 0 Replies
- 1632 Views
- Last post by daj95376
Tue Dec 05, 2006 9:39 pm
- Gemstone from M_B_Metcalf
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- Technique Name Please
by daj95376 » Mon Dec 04, 2006 7:27 pm - 7 Replies
- 2824 Views
- Last post by wapati
Tue Dec 05, 2006 5:49 am
- Technique Name Please
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- Overlapping Franken Swordfish ???
by daj95376 » Sat Dec 02, 2006 8:10 pm - 2 Replies
- 1741 Views
- Last post by daj95376
Sun Dec 03, 2006 5:54 am
- Overlapping Franken Swordfish ???
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- Equivalence of puzzles
by Smythe Dakota » Thu Nov 23, 2006 1:43 am - 3 Replies
- 2284 Views
- Last post by Smythe Dakota
Sun Dec 03, 2006 2:18 am
- Equivalence of puzzles
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- Don't Understand Notation
by daj95376 » Thu Nov 30, 2006 7:03 pm - 3 Replies
- 2122 Views
- Last post by ronk
Fri Dec 01, 2006 5:56 am
- Don't Understand Notation
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- What is maximum number of eliminations with one technique?
by Ocean » Fri Dec 01, 2006 3:09 am - 0 Replies
- 1882 Views
- Last post by Ocean
Fri Dec 01, 2006 3:09 am
- What is maximum number of eliminations with one technique?
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- Three nearly identical puzzles
by tso » Thu Jun 15, 2006 12:23 pm - 6 Replies
- 5640 Views
- Last post by Pat
Tue Nov 28, 2006 5:06 pm
- Three nearly identical puzzles
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- Minimalised solution grid
1, 2by udosuk » Sat Oct 14, 2006 5:48 pm - 21 Replies
- 10657 Views
- Last post by gsf
Sun Nov 26, 2006 8:38 am
- Minimalised solution grid
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- Dieluohan Big Bang Theorem
by Drjsguo » Fri Nov 24, 2006 12:22 am - 1 Replies
- 3759 Views
- Last post by tarek
Fri Nov 24, 2006 10:18 am
- Dieluohan Big Bang Theorem
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- Very basic Swordfish question
by tonyjer » Thu Nov 23, 2006 2:40 pm - 2 Replies
- 2583 Views
- Last post by tonyjer
Thu Nov 23, 2006 6:31 pm
- Very basic Swordfish question
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- Impossible is not French!
by Papy » Mon Nov 20, 2006 3:21 pm - 5 Replies
- 3100 Views
- Last post by udosuk
Tue Nov 21, 2006 4:26 pm
- Impossible is not French!
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- 6x2 counting
by kjellfp » Thu Sep 14, 2006 7:14 am - 6 Replies
- 6130 Views
- Last post by kjellfp
Mon Nov 20, 2006 8:02 pm
- 6x2 counting
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- sudoku combat
by crazyivan » Fri Jul 14, 2006 6:35 am - 3 Replies
- 2087 Views
- Last post by Viggo
Sat Nov 18, 2006 3:33 pm
- sudoku combat
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