Makes me feel good seeing it was me who developed it. Step 3 On the R H side is a list of all the tutorials. It is not the end of the world. 14 Q Is it possible to solve a puzzle different ways? 17 Q In lesson 7 is there a discrepancy. Like all sudoku puzzles, there is exactly one correct solution. 1. 22 Q Can I do ram (ramifications( if I see them when doing the first step, which is horizontal blocks. 26 Q Can you do the video tutorials without having done the other Sudoku Guy courses? It was hard. For me that is a test of memory!!! The player can use this strategy when there is one candidate repeated in four cells that form a square or rectangle when mentally connected by row and column. It is called "the 2 string kite" It's another way to eliminate small numbers. There are many ways to solve a puzzle once you have many procedures and techniques.. A Yes you can, however having had the previous courses will help. A. 4 Take a blank grid and transfer the original numbers. Here we present the techniques that will help you solve the hardest puzzles using only logic and no guesswork. Cracking the Cryptic / YouTube It's tempting to claim that this 25-minute video of a man methodically solving a sudoku puzzle is a phenomenon. A swordfish is found when for three rows, there are two or three possible squares in which a particular number can be placed, and for all three rows these squares lie in the same three columns. Therefore, on each of the three intersecting rows, the 3 must be placed in one of the highlighted columns. It does cover more sophisticated solving however an experienced Sudoku player would find it no problem. Avoid entering any number you have seen until you have worked out the logic for it. 6 Q Today I solved a puzzle. 23 Q How many different Sudoku puzzles are there? Now, no more squares can be solved with these techniques; you are stuck. If you complete the puzzle you can check yourself easily whether it is correct. I hope you never lose your enjoyment of life. In general, an x-wing is found when for two rows, there are two, and only two, possible squares in which a particular number can be placed, and for both rows these squares lie in the same two columns. It is so easy to look at another number nearby, which is really cheating and the temptation to put that number in is great. By connecting the cells containing it, it is easy to see that in this situation only the pairs in green or yellow could be possible. However, a simple miscalculation due to lack of concentration can turn the puzzle unsolvable and/or the incompatibility might not arise until the very end of the puzzle, which is why players tend to avoid this technique. The Slate Group LLC. Sudoku Guy has just reached another milestone. What Would David Foster Wallace Have Thought About Pickleball. This is a moredifficult method, one of the most complicated for any Sudoku you will find in print. It is admittedly a small pleasure. The Miracle Sudoku, posted to the channel last week, starts with a seemingly impossible puzzle. Sudoku Guy has just reached another milestone. At this point, you have learned all the basic Sudoku concepts. Do not worry about these rules. First, copy the puzzle onto a large grid that you make up your self. A No there isnt. Above all. The next step is to trace lines in each row and column of the cells to form a square or rectangle. 1 it can become very messy particularly if the grid has small cells..2 when you do solve a number you need to be careful to eliminate all of those numbers in that block, row or column. The format for each video is simple: An unsolved puzzle grid appears on-screen, and the host narrates his process of solving it. Re 3 small similar numbers in a block? A If you are using the technique of only putting small numbers in only 2 cells of a row, column or block, then you can exclude any other small numbers that may appear in that row, column or block. Youve got to be joking, Anthony sighs when he sees the grid. LCR Left Centre Right. Apple, the Apple logo, and iPad are trademarks of Apple Inc., registered in the U.S. and other countries. So, try focusing on just one number 1-9 in turn as you scan your pencil marks in rows and columns. . Tutorial #92 Always something to learn. 2016-2020 Appgeneration. A Not a good idea. Therefore, they must be placed in diagonally opposite corners: one 7 in the first column; one 7 in the last. When testing for both digits, the player finds that the outcome for the highlighted cell with candidates 5 and 7 is always 5. Purists claim only a mistake or a poor puzzle allows for that scenario. If so, that will safely be the solution for it. In Fig. These cells must also be united by column, regardless of the shape they create. Please check out our app, Sudoklue, which teaches all of these techniques! The most popular site on Youtube to learn Sudoku, Index of techniques procedures and tricks, 1 Put a line through the puzzle . Jim W "Sudoku guythanks for still doiing these videos. A Generally, the more numbers, the easier the puzzle. Anthony's latest hit is The Miracle Sudoku, a strangely compelling 25-minute video in which he takes on a seemingly impossible grid. Now this square is solved, you can complete the Sudoku using easy methods. I really enjoy them. 2023 A. Out of the advanced Sudoku strategies, the forcing chains method is usually a last resort as the chains can be very long and complicated and they do not always produce results. (A 3 link chain). Hi All Here comes another video upload., and an important one for ALL players, beginners to advanced levels. A Not necessarily. During the game, and when facing the prospect of a deadly pattern, the player must check if one of those four cells has any other candidates to them. ", Bridgendesar "it's a wonderful way to keep the brain sharp", Bryson Xias "Cool another trick to think about", Anasta3d ""Thanks very much for your lessonsvery helpful and nice to watch", Tom Markson " I prefer putting in my pencil marks rather than let the app do it for me", Amy Koo "Great for me learning step by step", petla bhavya "I like the way you teach and it is not boring", Graeme McGregor "Those who say they can do sudoku without putting in small numbers are either geniuses in which they don't need your help or they have not yet got into very difficult puzzles. These eliminations, in addition with a column/block intersection to remove a 7 pencil mark, leave only one pencil mark in the last square in the second row, so you can now solve it to be a 4. ", Ay Samuel "I was smiling and learning. It can also be applied in some intermediate levels, although its incidence is very low in these cases. A I dont recommend any specific book because publishers use different guidelines for what they term easy or hard. 6 Advanced Sudoku Strategies explained Advanced Sudoku strategies are used in the hardest levels of these puzzles and they can either help to reduce candidates or to find the solution for a specific cell. By Ruth Graham May 20, 20206:00 AM Beautiful. In this case, this particular number can be eliminated as a possibility for all other squares in those two columns. First a couple of preliminary points: if you have ever completed any Fiendish or Super Fiendish Sudoku, you will be familiar with noting down candidates or pencil marks. For example: you can use another similar When all else fails technique. Is that possible? There is a relationship between the diagonally opposite squares, hence the x in x-wing. A 16,930,529,280. Put them out of your mind. In theory, the unique square technique should be the least used out of the advanced Sudoku strategies, even in the hardest levels, as this pattern only occurs when the puzzle is poorly designed albeit not wrong. In this example, the top highlighted cell with the candidates 1 and 2 was used to apply the forcing chains technique. 18 Q In lesson 21, is it possible to solve that puzzle without using Xwing? And while understanding them is certainly no easy task, you have probably realized by now that finding them in puzzles can be even harder. 24 Q Can you solve Sudoku puzzles without putting in any small numbers? The Nishio strategy takes its name from professional puzzle player Tetsuya Nishio who is credited with inventing it. These are lessons using PowerPoint, videos and printable activities designed as a step-by-step approach to teach students how to do sudoku puzzles. Mugs, T shirts etc. In the advanced puzzles this may not be the case. InNovember 2006, The Times introduced a new extreme level of Sudoku giving players a moredifficult level of logic: Super Fiendish. Sudoku is based on logic. Xwing , skyscraper and swordfish patterns are hard to spot. The average number of views per 's YouTube video is 18.6K, while the highest number of views . The only time I look at the answers is to check to see if when trying new logic I am correct. The average views in a 30-day period is 15.5K. It is a fact that you cannot place the 7 in the first column square of both the highlighted rows at the same time. Copyright 2018 Learn how to solve Sudoku Puzzles with Sudoku Guy. A Question About Johnny Depp on the Occasion of His $20 Million Perfume Deal. Its not the end of the world.!!! The purist will say do your own small numbers. That is you cannot have any number in a left, centre or right column twice within vertical set of 3 blocks. Can you elaborate more on the Rule of Exclusion. The X-Wing With many advanced techniques, the key is to spot patterns within your pencil marks to eliminate possibilities within other squares. One of the skills of Sudoku solving is to correctly work out all possible numbers in a cell. Fig. A. The procedures I suggest are such that you can avoid missing opportunities and at the same time self correct as you go by using another technique. 25 Q, Do the video tutorials cover the same techniques and hints as you provide in the other courses. ", Sangeetha Dhakshab "Your way of teaching is so easy to understand. I think it has more than 1 solution. This happens when there is a deadly pattern. The truth, however, is that this 25-minute video of a man methodically solving a sudoku puzzle would have been dynamite viewing no matter what else was going on in the world. I use this procedure for all puzzles to begin with. So, as we increase the difficulty Super Fiendish, the time has come to present the essential techniques for solving the most difficult Sudoku puzzles. Advanced solving techniques As seen on Times Online in February 2007 In November 2006, The Times introduced a new extreme level of Sudoku giving players a more difficult level of logic: Super Fiendish. This leaves one square in the first column with only one pencil mark, so you can now place the 9. Suffice it to say, Anthony is not just an expert solver, but a masterful sportscaster (gamescaster? This is another if not this then that scenario. An advanced technique for players who like to solve difficult puzzles. How to play Sudoku: Advanced Solving Techniques Lessons 13 - 25 by Sudoku Guy Learn advanced sudoku solving techniques from Robin the Sudoku Guy in 13 in-dep. If there are more choices once you have solved one cell, it may become more difficult to know what the other 2 cells should be. You may be able to solve a puzzle using the Xwing technique while someone else solves the same puzzle using another technique. Sudoku Guy. There are times when you get to the very difficult puzzles where you will need to put in more than 2 small numbers in a row, column or block. Its up to you. Its goal is to eliminate candidates. It is more likely you overlooked an earlier mistake. It didnt matter where I put the first 4, the others worked out perfectly. Anthony then sets up the rules for the particular puzzle, which add several layers of difficulty to normal sudoku guidelines. "thanks for teaching me how to do sudoku in a straight forward fashion", Vishal Gaur "Your knowledge means a lot. Advanced Techniques A Quick Warning At this point, you have learned all the basic Sudoku concepts. However, at the most extreme levels, the players might find themselves with two. 2 Q What are the values of solving Sudoku puzzles. That helped a lot. 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