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- Sudokus of Shame
1 ... 4, 5, 6
by Moschopulus » Thu Feb 02, 2006 1:19 am
- 86 Replies
- 76032 Views
- Last post by enxio27
Tue Dec 11, 2018 2:53 pm
- Sudokus of Shame
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- Puzzle collections sorted by solving qualities
by tso » Thu Aug 03, 2006 5:38 pm - 8 Replies
- 22436 Views
- Last post by Pat
Sun Aug 19, 2007 2:39 pm
- Puzzle collections sorted by solving qualities
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- Number of possible 16x16 sudoku grids?
by yes_maybe » Thu Jan 09, 2020 2:26 pm - 9 Replies
- 164 Views
- Last post by coloin
Sat Jan 18, 2020 4:41 pm
- Number of possible 16x16 sudoku grids?
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- independent grid Sudoku
by hj_18 » Fri Jan 10, 2020 1:20 am - 0 Replies
- 18 Views
- Last post by hj_18
Fri Jan 10, 2020 1:20 am
- independent grid Sudoku
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- Low/Hi Clue Thresholds
1 ... 11, 12, 13 by Mathimagics » Wed Jun 26, 2019 2:56 am
- 184 Replies
- 3596 Views
- Last post by Mathimagics
Tue Dec 31, 2019 7:31 am
- Low/Hi Clue Thresholds
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- I use translate
by itadep » Fri Dec 06, 2019 2:42 pm - 0 Replies
- 51 Views
- Last post by itadep
Fri Dec 06, 2019 2:42 pm
- I use translate
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- I need a sudoku board recommendation for Christmas!
by AngeLinus » Mon Dec 02, 2019 6:44 am - 0 Replies
- 50 Views
- Last post by AngeLinus
Mon Dec 02, 2019 6:44 am
- I need a sudoku board recommendation for Christmas!
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- Backdoor, T&E or Colouring?
by Yogi » Mon Nov 25, 2019 5:16 am - 5 Replies
- 198 Views
- Last post by Mauriès Robert
Sat Nov 30, 2019 4:35 pm
- Backdoor, T&E or Colouring?
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- Help with Next Steps in this game
by azncandylovero4 » Sat Nov 23, 2019 8:27 pm
- 2 Replies
- 91 Views
- Last post by azncandylovero4
Sun Nov 24, 2019 2:03 pm
- Help with Next Steps in this game
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- Double Sudoku 9x9 success
by Pupp » Tue Nov 05, 2019 2:54 am - 3 Replies
- 1045 Views
- Last post by 1to9only
Tue Nov 12, 2019 5:27 pm
- Double Sudoku 9x9 success
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- High Clue Puzzles
by Mathimagics » Mon Nov 04, 2019 9:45 am - 5 Replies
- 117 Views
- Last post by dobrichev
Mon Nov 04, 2019 1:24 pm
- High Clue Puzzles
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- No grids with MCN > 16
by Mathimagics » Tue Jul 23, 2019 6:23 pm
- 8 Replies
- 303 Views
- Last post by dobrichev
Mon Nov 04, 2019 12:36 pm
- No grids with MCN > 16
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- Hello everybody (I'm new)
by Pupp » Sun Oct 20, 2019 2:28 pm - 7 Replies
- 212 Views
- Last post by Pupp
Sat Oct 26, 2019 11:56 am
- Hello everybody (I'm new)
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- How to Solve a Sudoku
by luanvanviet » Fri Sep 27, 2019 9:40 am - 1 Replies
- 249 Views
- Last post by Pupp
Mon Oct 21, 2019 2:58 am
- How to Solve a Sudoku
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- Newspaper Ratings
by m_b_metcalf » Tue Oct 01, 2019 3:08 pm - 1 Replies
- 133 Views
- Last post by dobrichev
Tue Oct 01, 2019 3:31 pm
- Newspaper Ratings
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- Patterns Game benchmark file
by m_b_metcalf » Thu Nov 19, 2015 8:28 am
- 11 Replies
- 1020 Views
- Last post by champagne
Mon Sep 30, 2019 2:10 pm
- Patterns Game benchmark file
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- The highest rated 19 clue puzzle
1, 2by coloin » Mon Sep 02, 2019 9:27 pm - 21 Replies
- 729 Views
- Last post by coloin
Fri Sep 27, 2019 10:33 am
- The highest rated 19 clue puzzle
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- Intrinsically Difficult Patterns
by m_b_metcalf » Wed Apr 01, 2009 4:38 pm - 2 Replies
- 1070 Views
- Last post by champagne
Sun Sep 08, 2019 12:26 pm
- Intrinsically Difficult Patterns
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- Maximum number of clues for a given SE rating
1 ... 7, 8, 9by 999_Springs » Thu Jul 24, 2008 4:10 pm - 122 Replies
- 20966 Views
- Last post by 999_Springs
Tue Aug 27, 2019 8:08 pm
- Maximum number of clues for a given SE rating
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- Grids containing a 21 but no 20
1, 2by blue » Wed Jun 26, 2019 5:16 pm - 17 Replies
- 530 Views
- Last post by Mathimagics
Wed Jul 24, 2019 8:06 pm
- Grids containing a 21 but no 20
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- Rating Invalid puzzles
by dobrichev » Mon Jul 22, 2019 2:39 pm - 11 Replies
- 270 Views
- Last post by denis_berthier
Wed Jul 24, 2019 2:29 pm
- Rating Invalid puzzles
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- Grids with minimal UA18s for all 2-row,2-col,2-digit UA sets
1, 2by blue » Sun Jun 30, 2019 1:39 pm - 19 Replies
- 576 Views
- Last post by champagne
Wed Jul 24, 2019 6:32 am
- Grids with minimal UA18s for all 2-row,2-col,2-digit UA sets
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- Minimum number of checks
1 ... 4, 5, 6 by denis_berthier » Sun Jun 30, 2019 6:18 am
- 83 Replies
- 1600 Views
- Last post by StrmCkr
Mon Jul 22, 2019 7:06 pm
- Minimum number of checks
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- Intercalates v UA4's
1, 2by Mathimagics » Fri Jul 19, 2019 7:57 am - 15 Replies
- 314 Views
- Last post by dobrichev
Mon Jul 22, 2019 2:22 pm
- Intercalates v UA4's
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- Sic Transit Daily Sudoku
by keith » Sun Jul 07, 2019 2:10 pm - 0 Replies
- 177 Views
- Last post by keith
Sun Jul 07, 2019 2:10 pm
- Sic Transit Daily Sudoku
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- UA Set for a Given Grid
1, 2, 3by Mathimagics » Fri Jun 28, 2019 3:50 pm - 31 Replies
- 612 Views
- Last post by Mathimagics
Mon Jul 01, 2019 12:05 pm
- UA Set for a Given Grid
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- Android Sudoku app
by JasonLion » Fri Jun 28, 2019 7:10 pm - 1 Replies
- 229 Views
- Last post by 1to9only
Fri Jun 28, 2019 7:56 pm
- Android Sudoku app
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- Investigation of one-band-free patterns
by dogiaokhanhlinh » Mon May 27, 2019 9:33 am - 3 Replies
- 343 Views
- Last post by Mathimagics
Wed May 29, 2019 2:54 am
- Investigation of one-band-free patterns
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- Sudoku variants summary
by Wecoc » Mon May 13, 2019 6:38 pm - 0 Replies
- 358 Views
- Last post by Wecoc
Mon May 13, 2019 6:38 pm
- Sudoku variants summary
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- How to Solve Sudoku Puzzles
by luanvanviet » Wed Feb 13, 2019 8:27 am - 1 Replies
- 405 Views
- Last post by susannelson
Fri May 10, 2019 6:37 am
- How to Solve Sudoku Puzzles
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- Creating a puzzle, help
by Trilola » Sun Apr 07, 2019 2:01 am - 7 Replies
- 341 Views
- Last post by brunoz
Mon May 06, 2019 9:22 am
- Creating a puzzle, help
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- hardest 6x6?
1, 2, 3, 4 by 999_Springs » Sun Dec 30, 2018 2:16 pm
- 46 Replies
- 1646 Views
- Last post by qiuyanzhe
Wed Apr 24, 2019 9:49 am
- hardest 6x6?
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- gaming system and method for sudoku-based game - patent
by 1to9only » Fri Apr 12, 2019 9:19 am - 0 Replies
- 253 Views
- Last post by 1to9only
Fri Apr 12, 2019 9:19 am
- gaming system and method for sudoku-based game - patent
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- Minimum givens on larger puzzles
1, 2 by mwalimu » Tue Sep 05, 2006 11:15 pm
- 27 Replies
- 4171 Views
- Last post by Mathimagics
Tue Apr 09, 2019 6:10 pm
- Minimum givens on larger puzzles
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- Sudoku Survey
by aml » Thu Feb 14, 2019 2:03 pm - 6 Replies
- 423 Views
- Last post by Mathimagics
Sat Feb 23, 2019 8:37 pm
- Sudoku Survey
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