Sudoku: the puzzle
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General
Everything about Sudoku that doesn't fit in one of the other sections - 1342 Topics
- 23103 Posts
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Last posthardest 6x6?
by jco
Mon Jan 20, 2025 11:42 pm
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General
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Puzzles
Post puzzles for others to solve here. - 5393 Topics
- 38537 Posts
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Last postSteve Hodoku 1-19-2025
by RSW
Tue Jan 21, 2025 4:20 am
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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 - 1554 Topics
- 12405 Posts
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Last postI thought that back ...
by champagne
Tue Dec 10, 2024 6:29 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 - 1364 Topics
- 20852 Posts
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Last postPattern Overlay Method
by rjamil
Sat Jan 18, 2025 6:31 pm
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Advanced solving techniques
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Interactive games
Interactive on-site game threads go here - 22 Topics
- 60669 Posts
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Last postPatterns Game ...
by Hajime
Wed Dec 11, 2024 4:11 pm
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Interactive games
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Software
Programs which generate, solve, and analyze Sudoku puzzles - 746 Topics
- 6735 Posts
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Last postSukaku6x6Explainer - ...
by 1to9only
Sun Jan 19, 2025 9:50 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
- 26524 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
- 4494 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
- 13166 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
- 88851 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
- 4256 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
- 3500 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
- 16274 Views
- Last post by Animator
Wed Dec 28, 2005 12:58 am
- New topics - How to ask for help
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- Steve Hodoku 1-19-2025
by SteveG48 » Mon Jan 20, 2025 1:29 am - 4 Replies
- 53 Views
- Last post by RSW
Tue Jan 21, 2025 4:20 am
- Steve Hodoku 1-19-2025
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- impossible & deadly (easier)
by denis_berthier » Sun Jan 19, 2025 5:25 am - 2 Replies
- 67 Views
- Last post by denis_berthier
Tue Jan 21, 2025 3:35 am
- impossible & deadly (easier)
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- hardest 6x6?
1, 2, 3, 4, 5 by 999_Springs » Sun Dec 30, 2018 2:16 pm
- 64 Replies
- 8392 Views
- Last post by jco
Mon Jan 20, 2025 11:42 pm
- hardest 6x6?
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- Cousin of "Y*"
by m_b_metcalf » Mon Jan 20, 2025 1:08 pm - 0 Replies
- 35 Views
- Last post by m_b_metcalf
Mon Jan 20, 2025 1:08 pm
- Cousin of "Y*"
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- Sukaku6x6Explainer - SE for 6x6 sudokus
by 1to9only » Mon Jan 11, 2021 11:00 am - 3 Replies
- 686 Views
- Last post by 1to9only
Sun Jan 19, 2025 9:50 pm
- Sukaku6x6Explainer - SE for 6x6 sudokus
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- Puzzle 260
by P.O. » Fri Jan 17, 2025 5:45 pm - 2 Replies
- 37 Views
- Last post by Cenoman
Sat Jan 18, 2025 10:03 pm
- Puzzle 260
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- Steve Stumble 1-17-2025
by SteveG48 » Fri Jan 17, 2025 3:47 pm - 2 Replies
- 37 Views
- Last post by Cenoman
Fri Jan 17, 2025 8:35 pm
- Steve Stumble 1-17-2025
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- 17January25
by Yogi » Thu Jan 16, 2025 8:01 pm - 2 Replies
- 43 Views
- Last post by P.O.
Fri Jan 17, 2025 5:41 pm
- 17January25
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- Puzzle 259
by P.O. » Mon Jan 13, 2025 6:03 pm - 3 Replies
- 54 Views
- Last post by P.O.
Fri Jan 17, 2025 5:39 pm
- Puzzle 259
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- impossible & deadly
by denis_berthier » Wed Jan 15, 2025 4:54 am - 5 Replies
- 188 Views
- Last post by denis_berthier
Fri Jan 17, 2025 1:01 pm
- impossible & deadly
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- Unavoidable sets vs deadly patterns.
1, 2, 3, 4by denis_berthier » Fri Jan 10, 2025 8:43 am - 49 Replies
- 519 Views
- Last post by denis_berthier
Fri Jan 17, 2025 5:21 am
- Unavoidable sets vs deadly patterns.
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- Using DLX for finding base/cover set logic eliminations
by PIsaacson » Tue Apr 28, 2009 6:07 am - 8 Replies
- 2402 Views
- Last post by yzfwsf
Thu Jan 16, 2025 12:52 pm
- Using DLX for finding base/cover set logic eliminations
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- Do SK-loops really need solved/given cells?
by ag24ag24 » Fri Nov 22, 2024 3:10 am - 12 Replies
- 304 Views
- Last post by marek stefanik
Wed Jan 15, 2025 5:58 pm
- Do SK-loops really need solved/given cells?
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- one and a half
by eleven » Mon Jan 13, 2025 11:17 pm - 5 Replies
- 105 Views
- Last post by eleven
Tue Jan 14, 2025 8:05 pm
- one and a half
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- Puzzle 258
by P.O. » Thu Jan 09, 2025 5:29 pm - 4 Replies
- 88 Views
- Last post by P.O.
Mon Jan 13, 2025 6:00 pm
- Puzzle 258
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- CSP-Rules, SudoRules, KakuRules...
1 ... 6, 7, 8by denis_berthier » Wed Aug 19, 2020 10:25 am - 109 Replies
- 12352 Views
- Last post by denis_berthier
Mon Jan 13, 2025 5:20 am
- CSP-Rules, SudoRules, KakuRules...
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- Steve Stumble 1-10-2025
by SteveG48 » Fri Jan 10, 2025 9:24 pm - 5 Replies
- 88 Views
- Last post by Leren
Sat Jan 11, 2025 7:40 pm
- Steve Stumble 1-10-2025
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- ORk-Forcing-Whips, ORk-Contrad-Whips and ORk-whips
by denis_berthier » Mon Aug 01, 2022 8:27 am - 10 Replies
- 1413 Views
- Last post by denis_berthier
Fri Jan 10, 2025 1:13 pm
- ORk-Forcing-Whips, ORk-Contrad-Whips and ORk-whips
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- Puzzle 257
by P.O. » Mon Jan 06, 2025 6:19 pm - 7 Replies
- 106 Views
- Last post by P.O.
Thu Jan 09, 2025 5:26 pm
- Puzzle 257
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- Steve Stumble 1-5-2025
by SteveG48 » Sun Jan 05, 2025 2:39 pm - 5 Replies
- 60 Views
- Last post by P.O.
Mon Jan 06, 2025 6:16 pm
- Steve Stumble 1-5-2025
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- Puzzle 256
by P.O. » Fri Jan 03, 2025 6:00 pm - 4 Replies
- 63 Views
- Last post by P.O.
Mon Jan 06, 2025 6:13 pm
- Puzzle 256
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- Robert's puzzles 2025-01-01
by Mauriès Robert » Wed Jan 01, 2025 6:50 pm - 5 Replies
- 142 Views
- Last post by DEFISE
Sat Jan 04, 2025 10:03 am
- Robert's puzzles 2025-01-01
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- Steve Stumble 1-3-2025
by SteveG48 » Fri Jan 03, 2025 3:46 pm - 2 Replies
- 45 Views
- Last post by jco
Fri Jan 03, 2025 6:28 pm
- Steve Stumble 1-3-2025
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- Puzzle 255
by P.O. » Mon Dec 30, 2024 6:42 pm - 4 Replies
- 89 Views
- Last post by P.O.
Fri Jan 03, 2025 5:54 pm
- Puzzle 255
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- Templates as patterns
1 ... 8, 9, 10by denis_berthier » Fri Oct 18, 2024 3:58 am - 137 Replies
- 3048 Views
- Last post by denis_berthier
Fri Jan 03, 2025 4:16 am
- Templates as patterns
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