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- compare rating by different solvers
by urhegyi » Tue Oct 19, 2021 8:23 am - 4 Replies
- 814 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
- 735 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
- 973 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
- 2425 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
- 674 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
- 1626 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
- 960 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
- 954 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
- 672 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
- 806 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
- 705 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
- 745 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
- 806 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
- 923 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
- 629 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
- 201 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
- 761 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
- 1666 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
- 668 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
- 568 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
- 4072 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
- 1681 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
- 1762 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
- 698 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
- 1049 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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- Am I the only one bothered by this huge prime number
by Maq777 » Sun Apr 04, 2021 12:01 pm - 7 Replies
- 1159 Views
- Last post by JPF
Sat Apr 10, 2021 8:28 pm
- Am I the only one bothered by this huge prime number
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- Errors in Sudopedia
by Maq777 » Wed Mar 31, 2021 10:58 pm - 3 Replies
- 752 Views
- Last post by Maq777
Sun Apr 04, 2021 6:43 pm
- Errors in Sudopedia
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- sudoku is a 6-dimensional problem
by dukuso » Mon Nov 07, 2005 8:28 am
- 8 Replies
- 5411 Views
- Last post by Maq777
Sat Apr 03, 2021 11:48 pm
- sudoku is a 6-dimensional problem
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- Canonicalizing all Sudokus
by Tomoka » Thu Apr 06, 2017 6:16 pm - 5 Replies
- 1785 Views
- Last post by Maq777
Thu Apr 01, 2021 1:00 pm
- Canonicalizing all Sudokus
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- Shidoku Study with Graphs
by Maq777 » Sat Mar 20, 2021 2:48 pm
- 7 Replies
- 1068 Views
- Last post by Maq777
Sun Mar 28, 2021 12:39 pm
- Shidoku Study with Graphs
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- Equations that work for any sudoku of the form n * n
by Maq777 » Mon Mar 22, 2021 9:49 pm - 14 Replies
- 1096 Views
- Last post by Maq777
Wed Mar 24, 2021 1:12 am
- Equations that work for any sudoku of the form n * n
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- sudoku max allowed subsets
1, 2 by urhegyi » Thu Feb 04, 2021 2:56 pm
- 19 Replies
- 1844 Views
- Last post by m_b_metcalf
Tue Mar 16, 2021 2:54 pm
- sudoku max allowed subsets
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- The bivalue conjecture
1, 2by denis_berthier » Sat Feb 20, 2021 6:01 am - 26 Replies
- 2389 Views
- Last post by nazaz
Mon Mar 15, 2021 6:59 pm
- The bivalue conjecture
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