Simple Coloring Sudoku Strategy

03 Jun, 2021

Simple Colouring or Chains. As one color must be the solution a candidate that sees.

Simple Coloring Singles Chains Strategy Sudoku

11 July 2019 424 AM.

Simple coloring sudoku strategy. The elimination above is missed by programs such as the solver in Simple Sudoku merely because of the grouping of e453. 32 including several examples of Simple Coloring Type I. I understand simple coloring and use some combo of coloring and brute force when solving harder puzzles but cannot seem to internalize the more difficult strategies.

Many of the more interesting and advanced strategies use links or chains of conjugate pairs candidates that occur just twice in a row column or box. Simple Colors Simple Colors is a subtype of coloring which only uses 2 colors. For advanced sudoku strategy watch Sudoku Swami video.

This is a vital trick and we will use it to build some very sophisticated rules. Weak Colors Extends Simple-Colors by the use of hinge linkages. In my humble opinion such a grouping adds little complexity.

X-Colors Uses only 2 colors but also takes the implications for each color into account. Singles Chains also known as Simple Colouring is a chaining strategy and part of a large family of such strategies. To use the coloring technique first color-in all these strong connections for a given candidate.

The Simple Coloring Type 1 example in Figure 1 shows a colored tree of conjugate pairs based on the value 4. Advanced Sudoku Strategies - Coloring Simple Colors Uses only 2 colors to form a single color cluster. You choose a candidate assign it a color then assign the opposite color to other candidates alternating colors until you have discovered eliminations.

This strategy looks for a cell in the puzzle that is not in the conjugate pair tree but is in the same unit as a cell of each color in the colored tree of conjugate pairs. Color Trap A. Oct 25 2018 Demonstration and explanation of how to use Two Colors to map out a network of Conjugate Pairs and then eliminate Candidates that are proven to be False by.

Jan 14 2020 Sudoku pencil marking is a systematic Sudoku solver strategy in which puzzle doers use a pencil to write small numbers inside the squares denoting which numbers may fit in. 3D Medusa starts like Simple Coloring. Conceptis Puzzles says.

SIMPLE COLORING SEES TWO DIFFERENT COLORS. Mar 24 2015 Load Example in Sudoku Helper Simple Coloring Type 1. However if one generalizes the idea of coloring then learning each specific technique involving just one number is superfluous.

Another Candidate if both belong to the same region two candidates of different colors is eliminated by one of them we do not know yet by which one. I understand all of the simple and tough strategies but have issues with more advanced eg 3D Medusa. Using two colors to alternately mark same-digit candidates that are Conjugate Pairs allowing for multiple Candidate Eliminations and sometimes Digit Placements.

A Review of Tutorials 31. The objective of Sudoku is to fill a 9x9 grid made of squares shown above circled in blue so that each row each column and each full 9x9 square use the numbers 1-9. I just cannot see.

Since all cells with the same color have to have the same state regarding the color digit all cells with color 1 cannot contain the color candidate. Simple Coloring Type I. Cells and units with only two remaining candidates N are used to make links and find contradictions.

One of the cells of the other color pair must be true see Simple Colors which means that one of the cells which color 1 has to be false. For each strong connection make one candidate one color and the other candidate another color and make sure these colors match up as strong connections linked together. However 3D Medusa is more complicated.

I am doing my best to become better at Sudoku. How it works 1 The following example demonstrates the principle. While solving the sudoku puzzle you can only use each number one time in the square column and row.

It makes use of bi-value cells to expand the coloring to a bigger network of candidates. To start with lets look at a theoretical example. All the candidates for digit 3 are highlighted.

Type II along with many other helpful tips. Two cells with the same color say color 1 see cells with opposite colors of another color pair. Simple coloring Type II uses two colours to alternately mark same-digit candidates that are conjugate pairs allowing for multiple candidate eliminations.

Simple Coloring Type I. Multi-Colors Supercoloring Uses multiple colors 4 6 or a higher multiple of 2 to form multiple color clusters.

Simple Coloring Singles Chains Strategy Sudoku

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Simple Coloring Singles Chains Strategy Sudoku

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