Sudoku: the puzzle
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General
Everything about Sudoku that doesn't fit in one of the other sections - 1356 Topics
- 23641 Posts
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Last postThe BxB ...
by denis_berthier
Sat Aug 16, 2025 3:08 pm
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General
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Puzzles
Post puzzles for others to solve here. - 5513 Topics
- 39341 Posts
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Last postSteve Stumble 8-15-2025
by P.O.
Sat Aug 16, 2025 4:22 pm
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Puzzles
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Help with puzzles and solving techniques
Post the puzzle or solving technique that's causing you trouble and someone will help - 1559 Topics
- 12449 Posts
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Last postList of First & ...
by 1to9only
Sat Aug 09, 2025 8:43 am
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Help with puzzles and solving techniques
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Advanced solving techniques
Advanced methods and approaches for solving Sudoku puzzles - 1378 Topics
- 20956 Posts
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Last postA 40 clue puzzle and ...
by RichardGoodrich
Wed Aug 06, 2025 11:44 pm
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Advanced solving techniques
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Interactive games
Interactive on-site game threads go here - 22 Topics
- 60678 Posts
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Last postPatterns Game ...
by Hajime
Mon Mar 03, 2025 6:14 pm
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Interactive games
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Software
Programs which generate, solve, and analyze Sudoku puzzles - 755 Topics
- 6822 Posts
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Last postGFS code help
by coyote56
Fri Aug 15, 2025 3:31 pm
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Software
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- Puzzle collections sorted by solving qualities
by tso » Thu Aug 03, 2006 5:38 pm - 14 Replies
- 27099 Views
- Last post by denis_berthier
Fri Sep 08, 2023 4:39 am
- Puzzle collections sorted by solving qualities
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- List of Acronyms
by Wecoc » Tue Jan 21, 2020 11:18 pm - 10 Replies
- 5028 Views
- Last post by denis_berthier
Fri Mar 04, 2022 7:24 am
- List of Acronyms
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- Places to go for solving tips
by Ruud » Sun Jan 20, 2008 10:31 pm - 8 Replies
- 13621 Views
- Last post by mac_sudo
Sun Jun 21, 2020 11:43 pm
- Places to go for solving tips
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- Sudokus of Shame
1 ... 4, 5, 6
by Moschopulus » Thu Feb 02, 2006 1:19 am
- 86 Replies
- 90514 Views
- Last post by enxio27
Tue Dec 11, 2018 2:53 pm
- Sudokus of Shame
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- What this forum is for
by JasonLion-Admin » Thu May 27, 2010 1:29 pm - 0 Replies
- 4484 Views
- Last post by JasonLion-Admin
Thu May 27, 2010 1:29 pm
- What this forum is for
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- Interactive games forum decorum
by g.r.emlin » Sat May 22, 2010 5:31 am - 0 Replies
- 3679 Views
- Last post by g.r.emlin
Sat May 22, 2010 5:31 am
- Interactive games forum decorum
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- New topics - How to ask for help
by Animator » Wed Dec 28, 2005 12:58 am - 0 Replies
- 16485 Views
- Last post by Animator
Wed Dec 28, 2005 12:58 am
- New topics - How to ask for help
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- Steve Stumble 8-15-2025
by SteveG48 » Fri Aug 15, 2025 4:47 pm - 3 Replies
- 31 Views
- Last post by P.O.
Sat Aug 16, 2025 4:22 pm
- Steve Stumble 8-15-2025
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- The BxB classification of T&E(2) puzzles
1 ... 17, 18, 19by denis_berthier » Thu Sep 07, 2023 12:10 pm - 273 Replies
- 14000 Views
- Last post by denis_berthier
Sat Aug 16, 2025 3:08 pm
- The BxB classification of T&E(2) puzzles
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- Upia family
by champagne » Mon Aug 11, 2025 8:22 am - 4 Replies
- 157 Views
- Last post by blue
Sat Aug 16, 2025 8:50 am
- Upia family
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- Puzzle 297
1, 2by P.O. » Wed Aug 13, 2025 4:36 pm - 17 Replies
- 152 Views
- Last post by P.O.
Fri Aug 15, 2025 6:01 pm
- Puzzle 297
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- GFS code help
by coyote56 » Fri Aug 15, 2025 10:27 am - 4 Replies
- 60 Views
- Last post by coyote56
Fri Aug 15, 2025 3:31 pm
- GFS code help
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- Saint Michael (vanquishing the tridagon)
by denis_berthier » Wed Aug 13, 2025 4:58 am - 2 Replies
- 120 Views
- Last post by denis_berthier
Fri Aug 15, 2025 5:10 am
- Saint Michael (vanquishing the tridagon)
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- Steve Stumble 8-8-2025
by SteveG48 » Fri Aug 08, 2025 5:34 pm - 8 Replies
- 108 Views
- Last post by SteveG48
Sat Aug 09, 2025 6:06 pm
- Steve Stumble 8-8-2025
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- Puzzle 296
by P.O. » Mon Aug 04, 2025 4:04 pm - 2 Replies
- 99 Views
- Last post by P.O.
Sat Aug 09, 2025 3:57 pm
- Puzzle 296
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- List of First & Last of ~5.4 billiion essentially equiv diff
1, 2by RichardGoodrich » Tue Jun 10, 2025 9:04 pm - 23 Replies
- 703 Views
- Last post by 1to9only
Sat Aug 09, 2025 8:43 am
- List of First & Last of ~5.4 billiion essentially equiv diff
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- (1+BRT) expansion paths within T&E(n) and beyond
1 ... 5, 6, 7by denis_berthier » Sun Apr 06, 2025 5:37 am - 95 Replies
- 4260 Views
- Last post by denis_berthier
Sat Aug 09, 2025 7:42 am
- (1+BRT) expansion paths within T&E(n) and beyond
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- Dynamic Essentialy Different Grid Search Program
by RichardGoodrich » Wed Aug 06, 2025 9:42 pm - 5 Replies
- 86 Views
- Last post by champagne
Thu Aug 07, 2025 8:00 pm
- Dynamic Essentialy Different Grid Search Program
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- A 40 clue puzzle and its place in the ED catalog
by RichardGoodrich » Wed Aug 06, 2025 11:44 pm - 0 Replies
- 99 Views
- Last post by RichardGoodrich
Wed Aug 06, 2025 11:44 pm
- A 40 clue puzzle and its place in the ED catalog
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- Definitely Maybe
by coloin » Wed Jul 30, 2025 12:00 am - 12 Replies
- 264 Views
- Last post by eleven
Wed Aug 06, 2025 9:58 pm
- Definitely Maybe
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- Indexing errors in last 100 of this ED minlex listing?
by RichardGoodrich » Wed Aug 06, 2025 8:03 pm - 0 Replies
- 59 Views
- Last post by RichardGoodrich
Wed Aug 06, 2025 8:03 pm
- Indexing errors in last 100 of this ED minlex listing?
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- High density files for solution grids and 18 clues puzzles
1, 2, 3, 4, 5by champagne » Wed Mar 27, 2024 1:58 pm - 64 Replies
- 4057 Views
- Last post by RichardGoodrich
Wed Aug 06, 2025 7:01 pm
- High density files for solution grids and 18 clues puzzles
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- Puzzle 295
by P.O. » Tue Jul 29, 2025 4:49 pm - 3 Replies
- 94 Views
- Last post by P.O.
Mon Aug 04, 2025 3:59 pm
- Puzzle 295
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- Steve Stumble 8-1-2025
by SteveG48 » Sat Aug 02, 2025 1:01 am - 2 Replies
- 83 Views
- Last post by P.O.
Sat Aug 02, 2025 3:11 pm
- Steve Stumble 8-1-2025
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- tridagon potential new families
1, 2by champagne » Wed Jul 16, 2025 8:17 am - 27 Replies
- 505 Views
- Last post by champagne
Fri Aug 01, 2025 2:15 am
- tridagon potential new families
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- Steve Stumble 7-27-2025
by SteveG48 » Sun Jul 27, 2025 6:03 pm - 6 Replies
- 122 Views
- Last post by RSW
Thu Jul 31, 2025 9:00 pm
- Steve Stumble 7-27-2025
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- Created SQLite3 Essentially Different Database
by RichardGoodrich » Thu Jul 31, 2025 5:54 pm - 0 Replies
- 81 Views
- Last post by RichardGoodrich
Thu Jul 31, 2025 5:54 pm
- Created SQLite3 Essentially Different Database
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- Sudoku space
1 ... 5, 6, 7by m_b_metcalf » Fri Mar 23, 2007 2:01 am - 100 Replies
- 46044 Views
- Last post by denis_berthier
Tue Jul 29, 2025 6:45 am
- Sudoku space
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- Puzzle 294
by P.O. » Wed Jul 23, 2025 10:16 am - 6 Replies
- 125 Views
- Last post by P.O.
Mon Jul 28, 2025 3:57 pm
- Puzzle 294
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- Virtual catalog DLL
by champagne » Thu Oct 24, 2024 9:36 pm - 9 Replies
- 496 Views
- Last post by champagne
Mon Jul 28, 2025 2:18 am
- Virtual catalog DLL
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- Proposal for a canonical puzzle.
by champagne » Tue Oct 29, 2024 5:23 pm - 13 Replies
- 604 Views
- Last post by champagne
Sat Jul 26, 2025 5:03 am
- Proposal for a canonical puzzle.
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- How many text files (you can open) for 5,472,730,538 ED?
by RichardGoodrich » Mon Jul 21, 2025 5:38 pm - 0 Replies
- 104 Views
- Last post by RichardGoodrich
Mon Jul 21, 2025 5:38 pm
- How many text files (you can open) for 5,472,730,538 ED?
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- Steve Stumble 7-18-2025
by SteveG48 » Fri Jul 18, 2025 3:45 pm - 5 Replies
- 131 Views
- Last post by Cenoman
Sat Jul 19, 2025 4:01 pm
- Steve Stumble 7-18-2025
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