Sudoku Essentials Blog
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Sudoku Essentials Blog is your destination for all essential information about Sudoku. Sign up here. You will find ...en-usSudokuSat, 6 Apr 2019 21:09:19 -0400Sat, 6 Apr 2019 21:09:19 -0400sudokuessentials.comThe Intersecting Value
http://www.sudokuessentials.com/the-intersecting-value.html0be3ece4395a71df0898848eaabdc767If in a given row a certain number is determined to reside in a certain 3x3 block; and furthermore, that same number for a given column must also resideTue, 30 Oct 2018 08:49:45 -0400Double Square Logic
http://www.sudokuessentials.com/double-square-logic.htmldba12f0fc9ee76946adb09400a97c6d2In a Sudoku puzzle, if a number can contain only in B1, B2, A5, B5, that number must be inserted in A5.Sat, 27 Oct 2018 19:21:52 -0400Trustworthy Sudoku Handheld Game Reviews
http://www.sudokuessentials.com/sudoku-handheld-game.htmlc1bcba1b4d793f57d705e50db5c7a676Before you buy a Sudoku handheld game, check this collection of reliable Sudoku game reviews. Let me get burned, not you. I will give you the straight facts.Tue, 7 Aug 2018 18:26:25 -0400Free Sudoku For Kids Logic Puzzles In PDF Format
http://www.sudokuessentials.com/sudoku_for_kids.html0dc30739cdd5a62b4b7c12b2b7bb7acbHere is Sudoku Essentials' collection of free printable Sudoku for kids logic puzzles. Our very easy Sudoku Puzzles are designed for kids of all ages.Tue, 7 Aug 2018 18:20:37 -0400Be The Master Of Evergreen Game – Sudoku Puzzle
http://www.sudokuessentials.com/be-the-master-of-evergreen-game-sudoku-puzzle.html910e9c8e82a1e4c575be4c4108721855So exactly what is Sudoku puzzle game? It is a number placement brainteaser, which calls for you to tap into your reasoning skills. Patience is also aMon, 9 Jan 2017 14:23:40 -0500Sudoku Puzzle -- Boxout Pattern
http://www.sudokuessentials.com/sudoku-puzzle-boxout-pattern.html4c59b422d8315f4427d1feee341c37f8Sudoku Puzzle -- Boxout Pattern A true Sudoku Puzzle must be resolvable to only one solution. A Boxout Pattern is a Sudoku Puzzle condition to be avoidedSat, 4 Jun 2016 01:20:18 -0400Sudoku Puzzle -- Shuffle 288
http://www.sudokuessentials.com/sudoku-puzzle-shuffle-288.htmlca311c562ceccd438af0188a85cd8d6cSudoku Puzzle -- Shuffle 288 Introduction: This article describes and demonstrates how the entries in a single Sudoku puzzle can be shuffled to createThu, 2 Jun 2016 23:26:39 -0400Sudoku Puzzle Triplets -- Identifying and Understanding
http://www.sudokuessentials.com/sudoku-puzzle-triplets-identifying-and-understanding.htmle82515fdf1302cd5b9dc37cf149bbf55Sudoku Puzzle; Identifying and Understanding Triplets: The “Sudoku Puzzle -- Triplets” example attached can be used as a visual aid to promote the theWed, 1 Jun 2016 18:08:31 -0400Mirror Readoku - A Sudoku Twist
http://www.sudokuessentials.com/mirror-readoku-a-sudoku-twist.htmle76a32863b4ec8f584ffc927ba949c94Fast, focused, head-to-head Sudoku action. Timed, of course - the pace is competitive. Bragging rights are up for the puzzler who finds their numbers firstSun, 24 Apr 2016 18:26:51 -0400Sudoku Essentials
http://www.sudokuessentials.com/c43b809cf78cf5107532c67e357d3d60Sudoku! Everything you need to know about this addictive puzzle. Come for the knowledge. Stay for the fun.Sat, 23 Jan 2016 18:29:45 -0500My Favorite Sudoku Puzzle Books
http://www.sudokuessentials.com/sudoku-puzzle-books.htmlaa6846b2be9b11f219ceac2b83c3a786The Sudoku craze spawns numerous Sudoku puzzle books. Read about the best Sudoku strategies. Solve progressively more difficult Sudoku puzzles. My book reviews can ... Wed, 5 Aug 2015 21:18:19 -0400Sudoku Online Book Store - Sudoku Books, Games, Calendars
http://www.sudokuessentials.com/online-book-store.htmlc4a0411e5741451e54e188f8e7510038Check our online book store for the latest Sudoku books, puzzles, electronic handheld touchscreen Sudoku games, wooden Sudoku games boards, Sudoku watches and calendars.Online Sudoku Store Wed, 5 Aug 2015 21:11:32 -0400Is Sudoku Dragon Worth Downloading? Critical Review Gives Details!
http://www.sudokuessentials.com/sudoku-dragon.html494badd4a697ab8a1ac6a817f2eabe69Don't download or buy Sudoku Dragon until you read my Critical Sudoku Dragon Review. Discover the truth about this Sudoku program.Mon, 5 Jan 2015 16:54:47 -0500Sudoku Square and Space Notation
http://www.sudokuessentials.com/sudoku-square-and-space-notation.html5fbff09806a130ecc9a23d6f8d250687Sudoku Square and Space Notation As we know, a Sudoku Puzzle Template is a 9x9 matrix of 81 Spaces, which are initially all empty. These 81 Spaces areMon, 14 Jul 2014 20:40:08 -0400Find Naked and Hidden Singles and Pairs First
http://www.sudokuessentials.com/find-naked-and-hidden-singles-and-pairs-first.html42e2a16e1cd9fa66192951a67792ff3fYes, everyone says to do that, but no one explains how to do it systematically. Here is how I do it: I first create a frequency distribution of all theSat, 12 Jul 2014 19:28:52 -0400Sudoku - 54 Clues in 5 Minutes
http://www.sudokuessentials.com/sudoku-54-clues-in-5-minutes.html60eaaf9424fa8ab9b076267f9407fcf6Sudoku --54 Clues in Five Minutes This methodology is easy to utilize, but the explanation is wordy so stay with me. Start the Clock! There are 9 SquaresTue, 1 Jul 2014 16:06:54 -0400Sudoku Puzzling Materials
http://www.sudokuessentials.com/sudoku-puzzling-materials.html5b93713bc14245eb4504d00bebf7393cSudoku Puzzling Materials OK... So, minimally all one needs is a puzzle and a pencil (or pen) and it's “Game On!”. But some Sudoku puzzles necessitateTue, 24 Jun 2014 11:10:18 -0400All Candidacies of # w/in Region Alligned =
http://www.sudokuessentials.com/all-candidacies-of-win-region-alligned-.html35557f6bdb2e41bea7ef46c7906f98a9Though likely written somewhere in this site already: Two or three of the same candidate forming a line in a region eliminates that candidate as a possibilityMon, 18 Nov 2013 16:35:39 -0500Sudoku Tips : Learn How To Solve Sudoku Puzzles
http://www.sudokuessentials.com/sudoku_tips.htmlcf3d5325127c28edc366fc4ecfd4b56aIllustrative Sudoku tips teach you how to solve difficult Sudoku puzzles and games. Learn techniques that will make you a pro.Sat, 4 May 2013 20:20:33 -0400Solve Hard Sudoku Puzzles Using The Links Method
http://www.sudokuessentials.com/hard-sudoku.html7e9c72fbcd22aeaca4d9923fe371956aSolve hard Sudoku puzzles in less time using the links method. Don't be stumped. Download the free Links Method eBook by Gus Coyote and discover a new method that will help you be a better solver.Sat, 4 May 2013 20:13:13 -0400Sudoku Articles Wanted!
http://www.sudokuessentials.com/sudoku-articles.html7598351d7106748aa61ca31cea372945Do you have any Sudoku articles you would like published online? Share them here and see what Sudoku articles others have contributed. This is like a Sudoku forum where you will find unique and ...Mon, 31 Dec 2012 20:18:59 -0500Sudoku Board Game Reviews And Recommendations
http://www.sudokuessentials.com/sudoku_board_game.html2a69a06a5e8ff40fb38189ed6f073530Du-KO - A Sudoku board game that brings families together! What was once an individual game, now can be played by 1 to 9 players. Competitive, challenging, fun!Mon, 31 Dec 2012 17:24:16 -0500Row of 3
http://www.sudokuessentials.com/row-of-3.html4df5e1d292abc68c4099827f521a4eaeSuppose you have solved three cells in a row (or column) within a region. (Rows with letters, from top; columns with numbers from left.) For instance,Sun, 23 Sep 2012 21:57:17 -0400Using Colors
http://www.sudokuessentials.com/using-colors.htmlb42d274b78a9b74493901ff010e99de6First I use Orange to mark the start of color mapping,in this example the candidate is (1). - Find a column or row where the candidate is assigned onlyThu, 14 Jun 2012 17:18:08 -0400Rule of Two
http://www.sudokuessentials.com/rule-of-two.html54896ef4590ee7b97bdae618804d5e3cFor difficult puzzles, I've adopted what I call the Rule of Two. Simply put: no cell should ever have more than two numbers it. Using numbers that defaultTue, 13 Mar 2012 10:34:56 -0400Not In My Hood( 3x3 Square) - or - The Reject List
http://www.sudokuessentials.com/not-in-my-hood-3x3-square-or-the-reject-list.html4e4f6cf3d34d02813eb61fd119ff6f34Recently, My wife asked me to find a computer program so that she could play the game on her home computer. As her computer is not Intel x86 based, ISat, 27 Aug 2011 21:47:40 -0400Chain
http://www.sudokuessentials.com/chain.html992676d5ca86d625cc3a71479f5f9b89To use the chain strategy, pick a box with only 2 candidates that you would like to solve. Now imagine that the answer to that box is the first candidate.Mon, 27 Jun 2011 18:05:31 -0400Check Empty Cells In A Row Or Column By Process Of Elimination
http://www.sudokuessentials.com/check-empty-cells-in-a-row-or-column-by-process-of-elimination.html54bd64e7a0506d54c49e0e88c36b6d74If a row has three empty cells, look at the columns of the empty cells of that row. If either column contains two of the three missing numbers, then theThu, 31 Mar 2011 23:10:33 -0400Is Sudoku Works ™ Worth Downloading? Critical Review Gives Details!
http://www.sudokuessentials.com/sudoku-works.html3e92150330158bddb9776def77e45767Don't download or buy Sudoku Works until you read my Critical Sudoku Works Review. Discover the truth about this Sudoku program.Thu, 24 Feb 2011 15:41:42 -0500Dots
http://www.sudokuessentials.com/dots.htmld1ddbddb8b4e5c6a6e975b4a8746870cIn the cell I put a dot for 1 2 3 4 5 6 7 8 9 When I lookMon, 14 Feb 2011 20:26:30 -0500The Numbers In Order
http://www.sudokuessentials.com/the-numbers-in-order.html22698d170c610c007953e01d178f8899I am not 100% sure this is the way to go, but look at the square. Is there a 1? If there is not, then look at each row for ones. The rows that do haveSun, 23 Jan 2011 22:42:29 -0500Easy Two Number Referencing
http://www.sudokuessentials.com/easy-two-number-referencing.htmla28a246d9dd7aeb68216806dc5b5af56Whenever you have only 2 candidates in your cell, look for couples, triples and quads that go with that cell. When writing the candidates in your cells,Wed, 15 Dec 2010 12:50:31 -0500How To Use Sudoku XY-Wing To Solve Difficult Sudoku
http://www.sudokuessentials.com/Sudoku-XY-Wing.html7525214e96c4d0a9f5e2973a6a3cca6dSudoku XY-Wing can solve some of your most difficult Sudoku puzzles. This illustrative article will help you identify and solve Sudoku successfully.Wed, 1 Dec 2010 15:16:51 -0500Sudoku Puzzle Solver Solves Your Puzzle Instantly
http://www.sudokuessentials.com/sudoku-puzzle-solver.html5a9e6685131509155a7e78ab7375e924Use a Sudoku puzzle solver to solve your most difficult puzzle instantly! You have several Sudoku solvers from which to pick. I reviewed several Sudoku programs to help you decide which is best for...Thu, 18 Nov 2010 11:33:30 -0500Forbidden Double X-wing
http://www.sudokuessentials.com/forbidden-double-xwing.htmldcce19da330a8a2ac1b452651c16d21eWhen you see in two 3*3 squares a pattern that looks almost a double X-wing, you are certain a double X-wing there is forbidden because then there wouldMon, 15 Nov 2010 11:19:05 -0500The Ninth Number Of The Grid
http://www.sudokuessentials.com/the-ninth-number-of-the-grid.html4ac6587e253272eeaaa7cc43f1f234cc When you have 8 of the same number in any combination of 8 of the 9by9 squares, you can always put the ninth number using the scanning method. For example,Sat, 13 Nov 2010 15:46:10 -0500Process of elimination using Dots instead of Numbers
http://www.sudokuessentials.com/process-of-elimination-using-dots-instead-of-numbers.html196d3a1dba8e053707cbd0bdca0b3d01Process of elimination using Dots instead of Numbers. When you are putting possible numbers that can be in a square. Use Dots instead. No need to useMon, 1 Nov 2010 23:15:27 -0400Follow SudokuEssentials.com On Twitter
http://www.sudokuessentials.com/sudoku-blog.html#Follow-SudokuEssentialscom-On-Twittera87c37467d73e5f65683a1c8e8aa5d18SudokuEssentials.com is now on Twitter. Follow my tweets.Tue, 26 Oct 2010 12:20:37 -0400Coupled Pairs
http://www.sudokuessentials.com/coupled-pairs.html82efefdc7abe57c8e74b5f86e45bbbf3While I use all the methods you give, one of my favorites (which I have not seen in print yet) is to use coupled pairs of numbers. The major drawback ofFri, 16 Jul 2010 15:10:30 -0400How To Solve Sudoku Puzzles
http://www.sudokuessentials.com/how-to-solve-sudoku-puzzles.htmlfeacd5b8662abfd54bfa8faa51a0059aLearn how to solve Sudoku puzzles and never be stumped again! There are over thirty techniques you need to know in order to solve all Sudoku puzzles from easy to fiendish. Here is how you ...Tue, 29 Jun 2010 12:27:46 -0400Programming Sudoku - Start Here!
http://www.sudokuessentials.com/programming-sudoku.htmle657b1188ed24e064307245900f2864fProgramming Sudoku is a challenge for computer programmers. Could a little advice help you in creating your next masterpiece?Wed, 23 Jun 2010 12:18:55 -0400How To Solve Sudoku
http://www.sudokuessentials.com/how-to-solve-sudoku.htmla7195da68b9c0f648bc42c37e20f17cfMany people have asked me how to solve Sudoku X-Wing, which is a very hard Sudoku puzzle pattern to identify and solve. Here is a step by step explanation of how you get to the X-Wing pattern in our aMon, 24 May 2010 12:50:16 -0400Sudoku Directions
http://www.sudokuessentials.com/sudoku-directions.htmlebbeaa449afd53b68c4deac31e1c84cbMany people have asked me for step-by-step Sudoku directions for solving XY-Wing example number 1. If you have been puzzled about how I solved this puzzle, read this article.Fri, 21 May 2010 14:15:07 -0400Sudoku Rules
http://www.sudokuessentials.com/sudoku_rules.html68ea6a5c6557af8baaec211935b6b84aSudoku Rules Are Simple. It's the solution that's the challenge. Here are the illustrated Sudoku puzzle rules.Thu, 8 Apr 2010 11:48:15 -0400