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- Minimal puzzles with 8 clues in a box !
1, 2by coloin » Tue Jan 25, 2022 8:52 am - 29 Replies
- 2038 Views
- Last post by m_b_metcalf
Tue Feb 01, 2022 5:37 pm
- Minimal puzzles with 8 clues in a box !
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- Homework exercise
by JPF » Mon Jan 24, 2022 10:19 am - 12 Replies
- 1193 Views
- Last post by JPF
Mon Jan 31, 2022 8:45 am
- Homework exercise
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- Troika Sudokus. A challenge.
1, 2, 3by m_b_metcalf » Sun Jan 09, 2022 8:56 pm - 43 Replies
- 7008 Views
- Last post by mith
Tue Jan 25, 2022 4:50 pm
- Troika Sudokus. A challenge.
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- Quadriga Sudoku
1, 2, 3by m_b_metcalf » Fri Jan 14, 2022 5:19 pm - 32 Replies
- 2786 Views
- Last post by coloin
Tue Jan 25, 2022 4:16 pm
- Quadriga Sudoku
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- X-Wing question
by BamaFan » Wed Jan 19, 2022 2:09 pm - 1 Replies
- 576 Views
- Last post by 1to9only
Sat Jan 22, 2022 12:51 pm
- X-Wing question
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- sudoku design
by urhegyi » Thu Jan 20, 2022 10:05 pm - 0 Replies
- 577 Views
- Last post by urhegyi
Thu Jan 20, 2022 10:05 pm
- sudoku design
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- Format question
by Pupp » Sat Jan 08, 2022 5:43 pm - 3 Replies
- 684 Views
- Last post by Pupp
Thu Jan 13, 2022 3:45 pm
- Format question
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- 49K 17_Clue puzzles
by Pupp » Sat Jan 08, 2022 5:41 pm - 7 Replies
- 922 Views
- Last post by champagne
Mon Jan 10, 2022 8:50 pm
- 49K 17_Clue puzzles
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- Christmas is coming ...
1, 2, 3by m_b_metcalf » Mon Dec 04, 2006 3:47 am - 38 Replies
- 17221 Views
- Last post by m_b_metcalf
Sat Jan 01, 2022 7:26 pm
- Christmas is coming ...
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- SE 8.3 puzzle with yellyfish near the end
by urhegyi » Thu Nov 18, 2021 11:57 am
- 10 Replies
- 1021 Views
- Last post by 1to9only
Wed Dec 01, 2021 7:44 pm
- SE 8.3 puzzle with yellyfish near the end
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- Values of givens symmetrically identical
1, 2by m_b_metcalf » Tue Apr 27, 2021 10:01 am - 29 Replies
- 2733 Views
- Last post by coloin
Thu Nov 18, 2021 11:36 am
- Values of givens symmetrically identical
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- compare rating by different solvers
by urhegyi » Tue Oct 19, 2021 8:23 am - 4 Replies
- 932 Views
- Last post by mith
Tue Oct 26, 2021 8:26 pm
- compare rating by different solvers
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- Max SE delta between 2 puzzles with 1 given difference
by Hajime » Fri Oct 01, 2021 10:29 am - 5 Replies
- 799 Views
- Last post by mith
Fri Oct 01, 2021 6:01 pm
- Max SE delta between 2 puzzles with 1 given difference
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- Hardest sudoku question...
by Pupp » Tue Jun 15, 2021 4:12 am
- 5 Replies
- 1102 Views
- Last post by kanejoyce885
Fri Sep 03, 2021 1:53 am
- Hardest sudoku question...
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- Sudoku 10,000 Pro
1, 2by Pupp » Wed Jun 16, 2021 8:23 pm - 18 Replies
- 2710 Views
- Last post by Pupp
Wed Sep 01, 2021 11:41 pm
- Sudoku 10,000 Pro
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- Symmetry of Sudoku puzzles
by Pupp » Sat Aug 28, 2021 9:18 pm - 1 Replies
- 736 Views
- Last post by marek stefanik
Sun Aug 29, 2021 10:40 am
- Symmetry of Sudoku puzzles
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- Apps for Andriod
by Yogi » Sun Apr 12, 2020 3:35 am - 11 Replies
- 1850 Views
- Last post by Pupp
Sun Aug 29, 2021 3:42 am
- Apps for Andriod
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- Patterns vs clues
by Pupp » Sun Jun 27, 2021 3:36 am - 7 Replies
- 1160 Views
- Last post by JPF
Thu Aug 26, 2021 4:57 pm
- Patterns vs clues
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- 72 size-4 unavoidable sets
by tdillon » Fri Aug 20, 2021 7:12 pm - 4 Replies
- 1066 Views
- Last post by tdillon
Fri Aug 20, 2021 10:57 pm
- 72 size-4 unavoidable sets
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- Godfather of Sudoku
by 1to9only » Tue Aug 17, 2021 12:29 pm
- 0 Replies
- 767 Views
- Last post by 1to9only
Tue Aug 17, 2021 12:29 pm
- Godfather of Sudoku
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- pattern design
by urhegyi » Thu Aug 05, 2021 6:48 am - 5 Replies
- 885 Views
- Last post by denis_berthier
Mon Aug 09, 2021 6:28 pm
- pattern design
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- EnjoySudoku down?
by dirk » Sun Jul 18, 2021 4:24 pm - 1 Replies
- 778 Views
- Last post by JasonLion-Admin
Thu Jul 22, 2021 10:27 pm
- EnjoySudoku down?
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- Server down for site www.sudoku.org.uk
by fshubertsr » Mon May 10, 2021 12:39 pm - 2 Replies
- 812 Views
- Last post by briona112
Tue Jul 20, 2021 1:08 am
- Server down for site www.sudoku.org.uk
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- Android version that allows you to draw lines
by Buckeye John 1976 » Mon Apr 19, 2021 3:46 pm
- 2 Replies
- 898 Views
- Last post by dxSudoku
Sat Jul 17, 2021 3:44 pm
- Android version that allows you to draw lines
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- Sudoku Research Project
by Sepehr » Sun Jan 31, 2021 4:25 am
- 5 Replies
- 1013 Views
- Last post by dxSudoku
Sat Jul 17, 2021 2:34 am
- Sudoku Research Project
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- I published my first Sudoku book on Amazon
by dxSudoku » Sat Jul 17, 2021 1:31 am - 0 Replies
- 693 Views
- Last post by dxSudoku
Sat Jul 17, 2021 1:31 am
- I published my first Sudoku book on Amazon
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- Posting games and analyzing games
by Pupp » Sun Jun 20, 2021 2:03 pm - 1 Replies
- 208 Views
- Last post by yzfwsf
Sun Jun 20, 2021 3:32 pm
- Posting games and analyzing games
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- Players of Sudoku, Characteristics
by studentofsudoku » Tue Apr 27, 2021 7:54 pm - 2 Replies
- 856 Views
- Last post by Pupp
Mon Jun 14, 2021 4:52 am
- Players of Sudoku, Characteristics
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- Arbitrary candidate sudoku
1, 2by icecream17 » Sat May 22, 2021 3:08 am - 19 Replies
- 3162 Views
- Last post by creint
Sat Jun 05, 2021 5:19 pm
- Arbitrary candidate sudoku
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- Number of ways to fill the box 9
by Maq777 » Sat May 01, 2021 5:50 pm - 2 Replies
- 764 Views
- Last post by Maq777
Sun May 02, 2021 7:20 pm
- Number of ways to fill the box 9
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- How do I move a thread to a different topic?
by upssjatly » Tue Mar 23, 2021 8:24 am - 1 Replies
- 625 Views
- Last post by EldarDarwin
Mon Apr 26, 2021 3:12 pm
- How do I move a thread to a different topic?
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- Number of possible 16x16 sudoku grids?
1, 2by yes_maybe » Thu Jan 09, 2020 2:26 pm - 16 Replies
- 4482 Views
- Last post by EmilyVaughan
Sun Apr 18, 2021 12:11 pm
- Number of possible 16x16 sudoku grids?
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- What is the smallest minimal puzzle?
1, 2by JPF » Sat Apr 03, 2021 8:58 pm - 16 Replies
- 1830 Views
- Last post by JPF
Sun Apr 18, 2021 11:47 am
- What is the smallest minimal puzzle?
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- What is the largest minlex minimal puzzle ?
1, 2by coloin » Tue Apr 06, 2021 5:11 pm - 21 Replies
- 1932 Views
- Last post by coloin
Fri Apr 16, 2021 9:39 pm
- What is the largest minlex minimal puzzle ?
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- symmetric pattern
by urhegyi » Thu Apr 15, 2021 12:05 pm - 5 Replies
- 775 Views
- Last post by m_b_metcalf
Thu Apr 15, 2021 8:36 pm
- symmetric pattern
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- Conjecturing number solutions in sudoku squares of any size
by Maq777 » Thu Mar 25, 2021 10:55 am - 7 Replies
- 1149 Views
- Last post by Maq777
Sun Apr 11, 2021 6:25 pm
- Conjecturing number solutions in sudoku squares of any size
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