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From Sudopedia, the Free Sudoku Reference Guide
Jump to navigationJump to search- 19:42, 25 October 2021 diff hist +2,025 N Constraint Subsets Created page with "'''Constraint subsets''' is an abstraction of subsets and fish. By itself, it is not a solving technique that can be employed by human players, but the broad range..." current
- 19:41, 25 October 2021 diff hist +6,659 N Braid Analysis Created page with "'''Braid Analysis''' or '''Braiding''' is a solving technique that analyzes the way digits are placed in a chute. The basis for this technique is the discovery of..." current
- 19:40, 25 October 2021 diff hist +1,024 N Strand Created page with "A '''strand''' is a distribution pattern for a single digit in 3 of the 9 intersections aligned in a chute. This term is used in Braid Analysis. There are 6 d..." current
- 19:40, 25 October 2021 diff hist 0 N File:Strands in Towers.png current
- 19:39, 25 October 2021 diff hist +352 N Rope Created page with "'''Rope''' is a term that defines a particular type of distribution of digits in a chute. It is used in Braid Analysis. Image:Rope.png In a rope, a group of..." current
- 19:38, 25 October 2021 diff hist 0 N File:Rope.png current
- 19:37, 25 October 2021 diff hist +422 N Braid Created page with "'''Braid''' is a term that defines a particular type of distribution of digits in a chute. It is used in Braid Analysis. Image:Braid.png In a braid, there is..." current
- 19:37, 25 October 2021 diff hist 0 N File:Braid.png current
- 19:34, 25 October 2021 diff hist 0 N File:Pattern analysis tower 2.png current
- 19:34, 25 October 2021 diff hist 0 N File:Ropes-braids.png current
- 19:33, 25 October 2021 diff hist 0 N File:Braid mapping 3t.png current
- 19:33, 25 October 2021 diff hist 0 N File:Braid mapping 3.png current
- 19:32, 25 October 2021 diff hist 0 N File:Braid mapping 2t.png current
- 19:31, 25 October 2021 diff hist 0 N File:Braid mapping 2.png current
- 19:31, 25 October 2021 diff hist 0 N File:Braid mapping 1.png current
- 19:30, 25 October 2021 diff hist 0 N File:Strands(2).png current
- 19:29, 25 October 2021 diff hist 0 N File:Traveling Pairs.png current
- 19:19, 25 October 2021 diff hist +4,087 N Subset Counting Created page with "'''Subset Counting''' is a highly advanced solving technique that requires a lot of searching, counting, testing and calculating. Thus, it is not a technique suitable for..." current
- 19:16, 25 October 2021 diff hist +2,009 N Sue de Coq Created page with "The '''Sue de Coq''' solving technique uses two intersecting sets '''A''' and '''B''', where '''A''' is a set of N cells with N candidates in a line, '''B''' i..." current
- 19:16, 25 October 2021 diff hist 0 N File:Sue de coq.png current
- 19:13, 25 October 2021 diff hist +24 Solving technique
- 19:13, 25 October 2021 diff hist +1,290 N Subset Exclusion Created page with "<blockquote>''The name '''Subset Exclusion''' is not commonly used in the Sudoku community. This article is created as a bridge between '''Aligned Pair Exclusion''' and ''..." current
- 19:13, 25 October 2021 diff hist 0 N File:SubsetExclusion.png current
- 19:11, 25 October 2021 diff hist +916 N Aligned Triple Exclusion Created page with "'''Aligned Triple Exclusion''' is a solving technique in which the solver checks combinations of digits in a triple of cells located in an intersection. It is..." current
- 19:10, 25 October 2021 diff hist 0 N File:AlignedTripleExclusion.png current
- 19:07, 25 October 2021 diff hist +4,011 N Aligned Pair Exclusion Created page with "'''Aligned Pair Exclusion''' or '''APE''' is a solving technique in which the solver checks combinations of digits in a pair of cells located in an [[intersection]..."
- 19:06, 25 October 2021 diff hist 0 N File:APE2.png current
- 19:06, 25 October 2021 diff hist 0 N File:APE.png current
- 19:01, 25 October 2021 diff hist +476 N Almost ALS Created page with "An almost ALS, or AALS is an ALS one step further. An AALS has N cells with N+2 candidates between them. The simplest of AALS's is one trivalue cell. The most obvious thing..." current
- 19:00, 25 October 2021 diff hist +2,891 N Death Blossom Created page with "The '''Death Blossom''' solving technique involves a ''stem'' cell of N candidates that sees N ''petals'', each an Almost Locked Set. The technique was invente..." current
- 19:00, 25 October 2021 diff hist +3,349 N Scramble Created page with "When you '''scramble''' a Sudoku puzzle, you change it to a mathematically equivalent puzzle. This '''scrambled''' version requires the same solving techniques, althou..."
- 18:58, 25 October 2021 diff hist +1,228 N Mathematically equivalent Created page with "Two Sudoku puzzles are '''mathematically equivalent''' if one can transform the first into the second via a series of zero or more operations, where the allowed operations..." current
- 18:58, 25 October 2021 diff hist +249 N Asymmetrical Created page with "A pattern is '''asymmetrical''' when the same pattern cannot be formed by reflection or rotation. A Sudoku is asymmetrical when the pattern formed by the givens is as..." current
- 18:55, 25 October 2021 diff hist +427 N Symmetrical Created page with "A pattern is '''symmetrical''' when the same pattern can be formed by reflection or rotation. A Sudoku is symmetrical when the pattern formed by the givens is symmetr..."
- 18:50, 25 October 2021 diff hist +5,625 N Canonical form Created page with "<!-- Merged from "Canonicalize" and "Canonical Form" --> <!-- Order modified and terminology (floors & towers) standardised --> The best way to compare two Sudokus is to..."
- 18:50, 25 October 2021 diff hist +516 N Canonical grid Created page with "The '''canonical grid''' is a solution grid where the same 3 digits repeat 3 times in very chute. In terms of Braid Analysis, there are 18 ropes and no ..." current
- 18:40, 25 October 2021 diff hist 0 N File:DeathBlossom.png current
- 18:37, 25 October 2021 diff hist +1,931 N ALS-XY-Chain Created page with "An '''ALS-XY-Chain''' is a XY-Chain whose nodes are Almost Locked Sets. It is a generalization of the usual XY-Chain (whose nodes are bivalue cells), s..." current
- 18:35, 25 October 2021 diff hist +5,087 N ALS-XY-Wing Created page with "The '''ALS-XY-Wing''' rule is a solving technique that uses three Almost Locked Sets. Make sure you understand the concept of Almost Locked Sets (ALSs) before you..." current
- 18:31, 25 October 2021 diff hist 0 N File:ALSXYWingExample.png current
- 18:27, 25 October 2021 diff hist +5,975 N ALS-XZ Created page with "The '''ALS-XZ''' rule is a solving technique that uses two Almost Locked Sets. It is the easiest of the ALS techniques, but still a technique that is rarely used by th..." current
- 18:26, 25 October 2021 diff hist 0 N File:ALS-XZ.png current
- 17:51, 25 October 2021 diff hist +2,708 N W-Wing Created page with "A '''W-Wing''' is formed by a chain of four cells: * '''A''': A cell with two candidates '''W''' and '''X'''. * '''B''': A cell with '''X''' as a candidate. * '''C''':..." current
- 17:51, 25 October 2021 diff hist 0 N File:Wwing-example.png current
- 17:49, 25 October 2021 diff hist +3,242 N WXYZ-Wing Created page with "The '''WXYZ-Wing''' is an extension of the XYZ-Wing, and is sometimes called '''XYZW-Wing'''. Seeing the extension of XYZ-Wing to WXYZ-Wing, one can further extend the s..." current
- 17:48, 25 October 2021 diff hist 0 N File:WXYZWing.png current
- 17:48, 25 October 2021 diff hist +264 N Restricted common Created page with "A digit is '''restricted common''' to 2 Almost Locked Sets when it cannot be present in both sets at the same time. As a result, one of the sets must be locked for th..." current
- 17:42, 25 October 2021 diff hist +1,645 N XYZ-Wing Created page with "The '''XYZ-Wing''' is an extension of the XY-Wing. The pivot cell also carries the '''Z''' candidate. Up to 2 candidates can be eliminated by an XYZ-Wing, bec..." current
- 17:39, 25 October 2021 diff hist +170 N Pincer Created page with "A '''pincer''' is a cell at the start or end of an XY-Chain, XY-Wing or XYZ-Wing. Each of these chains have 2 pincers. A WXYZ-Wing has 3 pincers." current
- 17:37, 25 October 2021 diff hist +394 N Pivot Created page with "A '''pivot''' or '''pivot cell''' is the central cell in a '''Wing''' pattern. In an XY-Wing, it contains the '''X''' and '''Y''' candidates and has 2 pincers..." current
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