Everything about Sudoku that doesn't fit in one of the other sections
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- Puzzle collections sorted by solving qualities
by tso » Thu Aug 03, 2006 5:38 pm
- 14 Replies
- 25937 Views
- Last post by denis_berthier
Fri Sep 08, 2023 4:39 am
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- List of Acronyms
by Wecoc » Tue Jan 21, 2020 11:18 pm
- 10 Replies
- 3826 Views
- Last post by denis_berthier
Fri Mar 04, 2022 7:24 am
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- Sudokus of Shame
by Moschopulus » Thu Feb 02, 2006 1:19 am
- 86 Replies
- 86590 Views
- Last post by enxio27
Tue Dec 11, 2018 2:53 pm
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- Minimum givens on larger puzzles
by mwalimu » Tue Sep 05, 2006 11:15 pm
- 30 Replies
- 7925 Views
- Last post by Serg
Wed Apr 03, 2024 11:47 am
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- 17-clue and 18-clue Sudoku update
by gfroyle » Wed Nov 23, 2005 1:20 pm
- 482 Replies
- 194742 Views
- Last post by JPF
Sun Mar 10, 2024 8:24 pm
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- Grids with minimal UA18s for all 2-row,2-col,2-digit UA sets
by blue » Sun Jun 30, 2019 1:39 pm
- 20 Replies
- 2304 Views
- Last post by m_b_metcalf
Sun Mar 10, 2024 11:04 am
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- The highest rated 19 clue puzzle [ and 18C and 20C]
by coloin » Mon Sep 02, 2019 9:27 pm
- 50 Replies
- 5299 Views
- Last post by blue
Fri Mar 08, 2024 6:04 am
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- Asking for 17-clue puzzles and 16-clues with 2 solutions
by qiuyanzhe » Tue Mar 05, 2024 5:39 am
- 5 Replies
- 169 Views
- Last post by m_b_metcalf
Tue Mar 05, 2024 3:23 pm
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- Sudoku Enumeration Problem
by Mathimagics » Thu Jan 04, 2018 9:40 am
- 29 Replies
- 3442 Views
- Last post by coloin
Thu Feb 22, 2024 8:02 pm
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- Sudoku Country Order
by HATMAN » Wed Feb 21, 2024 4:22 am
- 0 Replies
- 128 Views
- Last post by HATMAN
Wed Feb 21, 2024 4:22 am
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- Bands and low-clue pencilmark puzzles
by dobrichev » Thu Feb 15, 2024 7:53 pm
- 0 Replies
- 149 Views
- Last post by dobrichev
Thu Feb 15, 2024 7:53 pm
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- The BpB classification of T&E(2) puzzles
by denis_berthier » Thu Sep 07, 2023 12:10 pm
- 45 Replies
- 1991 Views
- Last post by denis_berthier
Tue Feb 13, 2024 5:25 pm
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- Hard 5*5 Latin Squares
by qiuyanzhe » Wed Sep 19, 2018 4:22 pm
- 9 Replies
- 1648 Views
- Last post by denis_berthier
Fri Feb 02, 2024 12:04 pm
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- Sandwich Sudoku Number Combinations
by Fortesque92 » Fri Jan 26, 2024 3:31 am
- 2 Replies
- 201 Views
- Last post by Fortesque92
Sat Jan 27, 2024 12:27 am
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- Back on Forum
by RichardGoodrich » Thu Jan 11, 2024 11:49 pm
- 2 Replies
- 250 Views
- Last post by RichardGoodrich
Wed Jan 24, 2024 9:29 pm
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- Largest 2-solution BUG
by jovi_al01 » Tue Feb 01, 2022 5:15 am
- 10 Replies
- 818 Views
- Last post by Hajime
Sat Jan 20, 2024 9:00 am
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- The hardest sudokus (new thread)
by tarek » Fri Jan 09, 2009 4:03 am
- 1681 Replies
- 379241 Views
- Last post by P.O.
Sun Dec 24, 2023 6:49 pm
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- hardest 6x6?
by 999_Springs » Sun Dec 30, 2018 2:16 pm
- 58 Replies
- 6773 Views
- Last post by jco
Sun Dec 10, 2023 5:33 pm
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- Anticorner maximal invalid patterns
by Serg » Fri Jul 28, 2023 10:52 pm
- 44 Replies
- 1469 Views
- Last post by ford92925
Sun Dec 10, 2023 2:36 pm
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- 4x3 Sudoku counting
by kjellfp » Wed Dec 14, 2005 10:17 am
- 36 Replies
- 24087 Views
- Last post by GizmoBill
Tue Dec 05, 2023 6:30 pm
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- Best Sudoku app for iPad
by BamaFan » Wed Aug 30, 2023 1:51 pm
- 1 Replies
- 362 Views
- Last post by gulshan212
Tue Nov 14, 2023 1:58 pm
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- Kids reaction to sudoku
by sudokumaster » Wed Oct 25, 2023 10:46 pm
- 0 Replies
- 229 Views
- Last post by sudokumaster
Wed Oct 25, 2023 10:46 pm
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- at least three 21 clue puzzles for this pattern
by urhegyi » Tue Oct 17, 2023 9:49 am
- 6 Replies
- 327 Views
- Last post by JPF
Wed Oct 18, 2023 10:15 am
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- from pattern to puzzle
by P.O. » Sat Oct 07, 2023 10:41 am
- 4 Replies
- 481 Views
- Last post by P.O.
Tue Oct 10, 2023 6:45 pm
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- The making of a gotchi, a simple way to find extreme sudokus
by eleven » Thu Jan 06, 2011 7:55 pm
- 24 Replies
- 5072 Views
- Last post by denis_berthier
Fri Oct 06, 2023 5:43 pm
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- Sudokus on Interval [0,1]
by qiuyanzhe » Thu Sep 28, 2023 3:06 am
- 1 Replies
- 355 Views
- Last post by mith
Wed Oct 04, 2023 11:48 pm
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- reddit sudoku wiki
by StrmCkr » Mon Oct 02, 2023 6:16 pm
- 2 Replies
- 394 Views
- Last post by StrmCkr
Mon Oct 02, 2023 10:16 pm
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- Hidden Candidates for Dummies
by Trocksmore » Sun Jun 04, 2023 4:14 pm
- 4 Replies
- 492 Views
- Last post by StrmCkr
Mon Oct 02, 2023 6:03 pm
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- 17 digit puzzles
by warrentrammell » Fri Oct 21, 2022 6:04 pm
- 11 Replies
- 1011 Views
- Last post by Yogi
Sun Oct 01, 2023 10:12 am
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- at least 2 puzzles
by urhegyi » Wed Sep 27, 2023 9:54 am
- 7 Replies
- 527 Views
- Last post by JPF
Sat Sep 30, 2023 4:37 pm
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- What's lowest ER for the T&E2 puzzles?
by yzfwsf » Sun Sep 24, 2023 11:10 am
- 1 Replies
- 344 Views
- Last post by P.O.
Sun Sep 24, 2023 11:40 am
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- 9-in-1
by mith » Fri Sep 15, 2023 11:14 pm
- 5 Replies
- 460 Views
- Last post by eleven
Mon Sep 18, 2023 9:17 pm
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- SudoRules
by Yogi » Thu Sep 07, 2023 10:36 am
- 3 Replies
- 352 Views
- Last post by denis_berthier
Sat Sep 16, 2023 2:47 am
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- T&E(3) Puzzles (split from "hardest sudokus" thread)
by mith » Mon Nov 07, 2022 7:24 pm
- 27 Replies
- 2111 Views
- Last post by Paquita
Fri Sep 15, 2023 2:20 pm
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- PIPs (Pseudo-Independent Positions)
by JP_BENTZ » Sat Sep 02, 2023 12:37 pm
- 10 Replies
- 482 Views
- Last post by JP_BENTZ
Fri Sep 08, 2023 11:49 am
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- remove one clue
by urhegyi » Thu Aug 24, 2023 6:02 pm
- 2 Replies
- 318 Views
- Last post by m_b_metcalf
Fri Aug 25, 2023 9:52 am
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- from MSP to SSP
by P.O. » Thu Aug 24, 2023 5:34 pm
- 0 Replies
- 425 Views
- Last post by P.O.
Thu Aug 24, 2023 5:34 pm
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- What is rule behind it
by kurbads » Thu Aug 10, 2023 12:29 pm
- 6 Replies
- 400 Views
- Last post by StrmCkr
Fri Aug 11, 2023 10:02 pm
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- M-wings & m-rings: exemplars & examples
by ronk » Tue May 25, 2010 9:38 pm
- 26 Replies
- 6141 Views
- Last post by StrmCkr
Tue Aug 01, 2023 4:52 pm
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- Sudoku "scores" & complexity
by senecan » Mon Jul 03, 2023 11:33 am
- 1 Replies
- 406 Views
- Last post by denis_berthier
Wed Jul 19, 2023 6:25 am
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