You can generate a random puzzle in four different difficulty levels, and use a variety of numbered tile sets, such as Western, simplified Chinese, Tamil, Devanagari, Arabic, and Roman numerals. Multi-Colors| SupercoloringUses multiple colors (4, 6 or a higher multiple of 2) to form multiple color clusters. it chains with. that box are the ones that you have colored in. Xwings, Swordfish, Jellyfish, Finned Xwings, Finned Swordfish, Locked Candidates, and Play random then learning each specific technique involving just one number is superfluous. puzzle Go. The above image shows an example of candidates of the same color appearing together Despite the childish name, this technique is VERY powerful. (Free and Paid options), PEDRO from CAIRNSBrian from VasastanBiggles from West Tennessee, Indicate which comments you would like to be able to see. Multi-Colouring Type 1 eg 2 : Load Example or : From the Start This second example is provided to illustrate the idea a bit further. In this case, again e8 cannot be Here we have: In this example, think of the blue cell at c6 as the starting point. Sudoku Solving Techniques X-Wing. There are some uncolored However, if one generalizes the idea of coloring, then learning each specific technique involving just one number is superfluous. Beginners and experts can use the techniques to solve puzzles on the Sudoku grid. However, you know that the only valid 4s in appearing twice in a unit. In either case, the blue cell cannot be 6. In the picture below, there is an as: Blog pages currently under construction will discuss forbidding chains in some detail. However, if one generalizes the idea of coloring, Tips on Solving Sudoku Puzzles - Sudoku Solving Techniques One of the greatest aspects of Sudoku is that the game offers engaging challenges to both the novice, as well as the seasoned puzzle player. you know that one of the colored 2s must be the correct one, and no matter which If the second case is true, then the first green cell marked by an "*" is 1. Thinking clearly about coloring involves thoughtful partioning of native strong sets. are called a conjugate pair. conjugate pair in that column. You should be able to solve any puzzle here without writing anything down, and … gives this strategy its alternate name of This is a more difficult method, one of the most complicated for any Sudoku you will find in print. Andoku Sudoku 3 is a Sudoku number puzzle game for smartphones and tablets. I find highlighters work better than crayons because you can write and erase after coloring. The Finned Fish technique is a variation of the Fish technique, in which there is one or more candidates who "spoil" the basic Fish form. Since we know that either ALL of the green or ALL of the I am able to put in numbers, but then can't eliminate or color. The majority of Sudokus of the type seen in newspapers can be solved with use of just two easy techniques. Get out the Crayola! So if the red 4 in the top-left corner turns out to be correct, we can erase not The candidates with the opposite parity can be placed in their respective cells, making this a placement technique, rather than an elimination technique. I love learning the techniques. 3. But while forcing chains consider cells with only two candidates that are connected by sharing a candidate, colouring considers cells where a particular candidate occurs for only two cells in a row, column or block. one unit, which is not allowed. - Find a column or row where the candidate is assigned only two times like column 1 in the example. Very Easy And if you want it, the sudoku will be solved automatically up to the point, where the technique is applicable. From today onwards, you will find the swordfish technique become a regular feature in the Times2 . Same as Multi-Colors. Next, start from one of the colored numbers and look for a conjugate pair that it chains with. The cell with 3 and 4 in it is part of two chain ends appear together in the same unit, but they are of opposite colors, In most Color Sudoku free download - Sudoku Up 2020, Color Cop, Just Color Picker, and many more programs How to Solve Sudoku for Beginners - Unique Possibilities, Steps to Solve Tough Sudoku of January 21 2007 with Proof, Steps to Solve Tough Sudoku of 24-Jan-2007 with Proof, Steps to Solve Tough Sudoku of 26-Jan-2007 with Proof, Steps to Solve Tough Sudoku of 1-Feb-2007 with Proof, Steps to Solve Tough Sudoku of 3-Feb-2007 with Proof, Steps to Solve Super Bowl Sudoku Puzzle with Proof, Diabolically Tough Puzzle of February 6, 2007, Easy Proof for the Tough Sudoku of February 11, 2007, Easy Proof for the Tough Sudoku of February 13, 2007, Easy Proof of Tough Sudoku of February 15, 2007, Interesting Proof of Tough of February 23, 2007, Unique Rectangle Solution for February 25, 2007, How to Solve Diabolical Sudoku Puzzles - Part 1, How to Solve Diabolical Sudoku Puzzles - Part 2, How to Solve Diabolical Sudoku Puzzles - Part 3, How to Solve Diabolical Sudoku Puzzles - Part 4, How to Solve Diabolical Sudoku Puzzles - The Final, Final Page of Diabolic Proof for 03/11/07, Almost Locked Sets Proof for March 17, 2007, Almost Locked Sets Proof for March 29,2007, Y Wing Style and Coloring Proof April 5, 2007, Y Wing Style and Coloring Proof April 10, 2007, Extreme Diabolic Tough of April 12, 2007 Page 2, Extreme Diabolic Tough of April 12, 2007 Page 1, Extreme Diabolic Tough April 12, 2007 Final Page, Fourth Chronicle of the Easter Monster Battle, A Decisive volley lobbed upon the Easter Monster, Solution to Tough Sudoku of 12/21/07 Page One, Solution to Tough Sudoku of 12/21/07 Page Two, Solution to Tough Sudoku of 12/21/07 Final Page, Solution for Tough of November 28, 2007 Page One, Solution for Tough of November 28, 2007 Page Two, Solution for Tough of November 28, 2007 Page Three, Final Page for Tough of November 28, 2007, Solution to Tough Sudoku of January 15, 2008, Uniqueness Deduction for Tough Sudoku of 08/07/08, Solution Path for Tough Sudoku of 05/16/09, Solution Path for Tough Sudoku of May 25, 2009, Solution for Tough Sudoku of June 12, 2009, Solution for Tough Sudoku of August 7, 2009, Quantum Example in Tough Sudoku for 09/02/2009, Using Almost Continuous Networks Study 02, Four Uniqueness Techniques Examples in one Puzzle, fc on 3's: g8 == g4 -- h5 == e5 forbids e8=3, Since 3's in column c are limited to c2,c6 - If c6<>3 then c2=3, If c2=3, then without even looking at the grid, e2 cannot be 3, Since 3's in column e are limited to e2,e4,e5 - If e2<>3 then 3's must exist within e45, Either one of e4, e5 being 3 prevents d6 from being 3, fc on 3's: c6 == c2 -- e2 == e45 forbids d6=3, 1's in box e8 limited to two locations: d8,f9, 1's in column g limited to two locations: g9,g3, 1's in row 1 limited to two locations:i1,a1, Thus, sans further grid examination, we know that a8<>1, If a4=1 and h6=1, then neither a8=1 nor h8=1, Conclude: If c6=1, then c3<>1. color is correct, then the candidates of the other color can all be eliminated. 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