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• Given
  == Minimum number of Givens == ...[Sudoku Variations]], there are different minimum givens, depending on the number of additional constraints. In the [[Sukaku]] variant, there are no givens a
  499 bytes (76 words) - 04:46, 31 May 2020
• Sudoku-X
  Because the diagonals significantly reduce the number of [[Unavoidable Set]]s, the puzzle can contain less [[given]]s than a stan == Minimum Number of Givens ==
  1 KB (183 words) - 00:27, 1 June 2020
• Asterisk
  == Minimum Number of Givens ==
  859 bytes (131 words) - 03:38, 20 January 2022
• Guardian
  ...candidate that prevents a '''Broken Wing''' to form a [[loop]] with an odd number of strong [[link]]s.
  224 bytes (36 words) - 03:22, 20 January 2022
• Death Blossom
  ...no cell can belong to more than one ALS. Also, there must be at least one number that is a candidate of every ALS, but is not a candidate of the stem cell. ...s a candidate, and the number isn't a candidate of the stem cell, then the number can't be a candidate of the outside cell.
  3 KB (496 words) - 01:11, 4 June 2020
• Law of Leftovers
  ...is based on the fact that an equal number of [[house]]s must have an equal number of occurrences for each [[digit]]. * Draw a line separating a certain number of jigsaw regions.
  3 KB (527 words) - 19:06, 31 May 2020
• Subset
  ...solutions (the possible permutations for the 9 [[digit]]s). To reduce this number, a player will try to isolate groups of [[cell]]s and digits from the remai Alternative terms are '''disjoint subset''', '''locked set''' and '''number chain'''.
  1 KB (186 words) - 19:19, 3 June 2020
• Digit
  Common aliases are '''number''' and '''value'''. A more abstract alias is '''symbol'''.
  350 bytes (54 words) - 04:47, 31 May 2020
• Digits
  Common aliases are '''number''' and '''value'''. A more abstract alias is '''symbol'''.
  350 bytes (54 words) - 19:17, 31 May 2020
• Windoku
  == Minimum Number of Givens == ...11 [[given]]s exist. However, it is not known whether this is the minimum number of givens. See [http://homepages.cwi.nl/~aeb/games/sudoku/nrc11.html this p
  3 KB (387 words) - 03:39, 20 January 2022
• Naked Subset
  '''N''' is the size of the subset, which must lie between 2 and the number of unsolved cells in the house minus 2. Since every Naked Subset is complem An alternative name for Naked Subset is '''Number Chain''', but this term is not used very often.
  1 KB (229 words) - 19:18, 3 June 2020
• Cell
  ...by letters. Some people skip the letter '''I''' to avoid confusing it with number 1, some also skip letter '''J'''. The last cell can therefore be either ''' == Number of Cells ==
  3 KB (518 words) - 04:48, 31 May 2020
• Introduction
  ...so other publishers in Japan call it Nanpure, the Japanese translation of Number Place. By the end of 2004, Sudoku appeared in The Times in Britain, brought A number of digits have been placed into the grid by the maker. These cannot be mess
  2 KB (393 words) - 04:12, 31 May 2020
• Template
  ...ferent templates. Additional constraints have a considerable effect on the number of available templates. For example, [[Sudoku-X]] has 25608 different templ
  562 bytes (78 words) - 03:40, 4 June 2020
• Sudoku Guides
  There are a number of good Sudoku solving guides out there while Sudopedia is being built up. It should be noted that a number of guides are a bit dated. For the newest developments of Sudoku techniques
  3 KB (401 words) - 04:34, 31 May 2020
• Pattern Overlay Method
  ...This [[solving technique]] should be avoided when there are still a large number of available candidates in the [[grid]]. There are 46656 different patterns. A single placement reduces this number by a factor 9. When a large part of the puzzle is solved, only a handful of
  2 KB (378 words) - 03:45, 4 June 2020
• Gattai
  ...he world of [[Sudoku]], this term is used for '''overlapping Sudokus'''. A number indicates how many 9x9 Sudokus are in the puzzle. ...n complete [[box]]es, although it is theoretically possible to overlap any number of cells. For a puzzle maker, partial overlapping boxes are more difficult
  3 KB (335 words) - 04:01, 20 January 2022
• Naked Single
  * [http://www.playr.co.uk/sudoku/solving.single.php Single Number] by ''Gaby Vanhegan'' ...olving_sudoku_basic.php?strategy=single%20candidate Single Candidate (Lone Number)] by ''Vincent Tandart''
  3 KB (316 words) - 05:09, 31 May 2020
• Cage
  ...ckground color. The cage is marked (usually in the top left corner) with a number which represents the sum of all the cells in the cage.
  861 bytes (141 words) - 04:57, 31 May 2020
• Backdoor
  Backdoors are used to determine the difficulty of a Sudoku puzzle. The number of backdoors has an effect on the chance that a player can complete the puz
  913 bytes (145 words) - 02:18, 5 June 2020
• Strand
  ...and strands in the / direction are identified with the letter '''Z'''. The number refers to the starting position, which can be '''1''' (top), '''2''' (middl
  1 KB (164 words) - 03:13, 20 January 2022
• Constraint
  ...way that all constraints are satisfied. The size of each house matches the number of available digits. In a standard Sudoku, there are 9 digits and each hous
  1,021 bytes (148 words) - 04:53, 31 May 2020
• Hidden Subset
  In a standard Sudoku, the maximum number of empty cells in a house is 9. There is no need to look for [[subset]]s la
  1 KB (203 words) - 19:18, 3 June 2020
• Main Page
  : How many different Sudoku grids exist? What is the minimum number of givens? Answers here.
  2 KB (231 words) - 15:04, 5 July 2023
• Braid Analysis
  ...of '''traveling pairs'''. These are formed because there is only a limited number of ways 3 digits can "travel" through a chute. ...d ways to be organized in a chute. From these limitations, we can deduce a number of rules concerning repeating pairs.
  7 KB (1,117 words) - 03:02, 20 January 2022
• Eureka
  Candidate digits are written as a prefix to the cell, with the digit number in parenthesis.
  2 KB (321 words) - 03:10, 4 June 2020
• X-Wing
  ...ns do not look as neat as the fish diagram. The grey areas can contain any number of candidates. Here is an example with several additional candidates:
  2 KB (320 words) - 03:31, 4 June 2020
• Terminology
  ; Big Number : Collective term for [[given]] and placed digits, as opposed to '''little number''' for [[pencilmark]]s.
  19 KB (2,734 words) - 02:19, 19 December 2022
• 45 rule
  ...deduced from the difference between the sum of the cages and 45 times the number of houses.
  2 KB (305 words) - 02:30, 4 June 2020
• Hidden Single
  * [http://www.playr.co.uk/sudoku/solving.hiddensingle.php Hidden Single Number] by ''Gaby Vanhegan''
  3 KB (348 words) - 05:10, 31 May 2020
• X-Chain
  ...g and ending link being strong. In other words, the chain involves an even number of [[cell]]s having the target [[digit]] as a [[candidate]]. The target dig
  2 KB (411 words) - 02:58, 4 June 2020
• Grouped Turbot Fish
  ...in a Turbot Fish, each group must be linked at both ends. This limits the number of places where groups can be found. They must be located in an [[intersect
  2 KB (456 words) - 03:35, 4 June 2020
• Cage combinations
  A [[Killer]] Sudoku contains [[cage]]s and cage sums. Knowing the number of [[cell]]s in a cage and its sum, we can determine the possible '''cage c
  2 KB (378 words) - 19:02, 31 May 2020
• Diagrams and Notations
  ...'k9''' notation often causes confusion regarding whether the letter or the number denotes the column, and whether the lettering goes from top to bottom or bo ...iques. In order to highlight the concept without getting lost in the large number of candidates in a typical grid, the digit is usually generically referred
  15 KB (1,710 words) - 04:26, 31 May 2020
• Pointing Pair
  Depending on the number of available candidates in the intersection, this technique is also known a
  3 KB (426 words) - 19:53, 31 May 2020
• Line-Box Interaction
  Depending on the number of available candidates in the intersection, this technique is also known a
  3 KB (428 words) - 05:26, 31 May 2020
• Locked Candidates
  Depending on the number of available candidates in the intersection, this technique is also known a
  3 KB (428 words) - 18:59, 31 May 2020
• Scramble
  The total number of permutations for any Sudoku is 1218998108160.
  3 KB (487 words) - 03:28, 20 January 2022
• Sudoku Websites
  ; [http://www.sachsentext.de/en/ Sudoku Variants and other Number Placements] : Contains puzzles of a large number of [[Sudoku Variants]].
  11 KB (1,640 words) - 02:28, 19 December 2022
• BUG
  ...value occurs exactly twice. If we can find a valid solution using half the number of remaining candidates, all the eliminated candidates would also satisfy e
  4 KB (638 words) - 20:38, 31 May 2020
• Bivalue Universal Grave
  ...value occurs exactly twice. If we can find a valid solution using half the number of remaining candidates, all the eliminated candidates would also satisfy e
  5 KB (782 words) - 03:48, 4 July 2020
• Broken Wing
  A correct Sudoku cannot contain a closed [[loop]] with an odd number of strong links. Every candidate would contradict itself when the [[implica
  7 KB (1,122 words) - 03:20, 20 January 2022
• Solving Technique
  : Considers the number of times a digit can be placed in a selected subset of cells.
  10 KB (1,369 words) - 21:31, 20 August 2022
• Solving technique
  : Considers the number of times a digit can be placed in a selected subset of cells.
  10 KB (1,408 words) - 04:40, 31 May 2020
• Solving Techniques
  : Considers the number of times a digit can be placed in a selected subset of cells.
  10 KB (1,407 words) - 05:07, 31 May 2020
• Techniques
  : Considers the number of times a digit can be placed in a selected subset of cells.
  10 KB (1,407 words) - 05:23, 31 May 2020