What fun! It was so great to watch you solve from beginning to end. Many online Sudoku teachers don't fully explain their thinking, but you are so clear and easy to follow it's a pleasure. Thanks for a great lesson!
You have made my day. There is more coming every month on the 21st I upload a new tutorial. Not alwasy a complete puzzle. Will do more complete puzzles from now on.
My pleasure! So glad you found my site."the most popular site online to learn sudoku" Please share with others, give me a thumbs up below the video, and subscribe and click the bell by the subscribe button. By doing so you will be notified by youtube when I upload a new video. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html th-cam.com/users/sudokuguy www.sudokuguy.com
Wow, I just noticed that you reply to every comment on your video! It's really awesome to see such dedication and engagement with your viewers. It shows how much you value and appreciate the community you've built around your content. Keep up the great work!
Thanks to you, sir, I don’t think of sudoku as a boring and tedious puzzle anymore! Thanks for all the useful tips and solving techniques, your methods work like a charm!
Happy to help Matt So glad you found my site. “the most popular site online to learn sudoku” Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step to solve. You will find all of my videos below. th-cam.com/users/sudokuguy
This is tremendous. Well done Robin! More live solve videos will be fantastic. It feels good when you spot the naked singles. I find it often opens the puzzle up
Oh thank you! CBEST. So glad you found my site. “the most popular site online to learn sudoku” Please share with others, subscribe (FREE) and click the bell by the subscribe button. Have fun as you learn step by step to solve. You will find all of my videos below. sudokuguy.com th-cam.com/users/sudokuguy
You are so welcome! downundervlogs. So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. For a list of videos go here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html sudokuguy.com
Thank you, Robyn, I started sudoku two weeks ago and on my first youtube search for a mentor, I choose you as my tutor/professor and find all your vids amazing. I did my first 100 so call EASY and did pretty well, BUT now for first 3/100 have been a failure after this tutorial I am hoping that my next 96 puzzles will be easy 🙂🙂as you say "let's see" thank you so much.
Wonderful! I suggest that if you are new go and watch the beginners lessons a videos. You will find them below. So glad you found my site."the most popular site online to learn sudoku" Please tell others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can view all of my videos here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html sudokuguy.com
I watched your tutorials......solved this puzzle own my own.....and it came out correct......I am so happy....thank you so much for your concerned teaching
You are awesome! Been following all your videos and because of you I've become quite the expert from the easy to medium puzzles. I still can't do the diabolical puzzles but I'm determined. God bless. Thanks!
Watching you solve it makes it look so easy, then I tried it myself and I couldn't figure it out. So I put your video and the puzzle side by side, solved it together, and boy! I am amazed at your skill
Glad it helped! So glad you found my site." the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step-by-step how to solve. For a list of videos go here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Hi Syam, yes matching pairs play a big part in all puzzles. So glad you found my site. "The most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It's FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html th-cam.com/users/sudokuguy www.sudokuguy.com
Great . Nicely explained all the intricacies in solving this Hard Puzzle. Firstly not putting 5s in third row of first block and remember first & then solving later is amazing.
Thanks so much for your comment. I hope you learnt something. from this video.. So glad you found my site."the most popular site online to learn sudoku" Please share with others, give me a thumbs up below the video, and subscribe and click the bell by the subscribe button. By doing so you will be notified by youtube when I upload a new video. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/users/sudokuguy
I just love how you explain things .First I though that sudoku is an impossible game, but now every sudoku puzzle is a fun and interesting challenge for me. I am now your fan. Thank you very much:):):):)
Thanks karin. so glad to know you are finding the game now interesting. Hang in there. Master the easy ones first. Please subscribe as it is free.. You will be notified when I upload a new tutorial.
Thank you very much for your videos. You have greatly improved my understanding of sudoku. I appreciate not only the knowledge you give us but the gentle manner in which you give it. Thank you.
I have already subscribed to this channel & learnt many things. Now I am able to solve medium level puzzles appearing in our daily news paper Times Of India without any difficulty. Trying to solve now some hard level puzzles. Thank You so much Robin Sir.
My suggestion is to look at tutorials from #18 and up as this will help you learn more tricks and procedures. All the best. So glad you found my site."the most popular site online to learn sudoku" Please share with others, give me a thumbs up below the video, and subscribe and click the bell by the subscribe button. By doing so you will be notified by youtube when I upload a new video. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/users/sudokuguy
I started to learn sudoku solving during lockdown begining with tutorial one. Your teaching is amazing and generating so much interest. Although a first timer I am able to solve easy ones.I keep on watching vedios again and again if I am stuck anywhere. Thanks so mych
Great to hear! Smita, Hang in there...the more puzzles you do the better you will become at solving. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Thank you sir. I've found myself trying to tackle the more intermediate puzzles using my own self taught (but limited) techniqus and either falling short or getting it just plain wrong.This will surely help.
Glad to help! I suggest you go step by step lesson by lesson. In doing so you will learn all the tricks ,proceders and strategies needed solve. One of the biggest mistakes is to try very hard puzzles before you have mastered the easy ones. Go back and revise by watching my ealier lessons This saves frustration. So glad you found my site."the most popular site on line to learn sudoku" Please tell others and subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can view all of my videos here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Thanks for your support. So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. For a list of videos go here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html sudokuguy.com
So happy to have you as sudoku teacher .. lots of love from India .... I learned lots of the tricks that i cound have not without you... So energetic ... Thank you sir
Wonderful! And thanx for your supportive comment. So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve.You will find all my videos here th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html th-cam.com/users/sudokuguy sudokuguy.com
Glad to hear that. You are are doing well. Keep learning and watch videos up to 100 to become an expert. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html Robin,
I do enjoy this method of solving Sudoku . Thank you Robin :-) I still get mistakes when I do these but most of my mistakes are from not paying attention to what else is further up or down in the column or row...
@@SudokuGuy: I don't even mind my mistakes that much... I find the Sudoku process very relaxing. And I just try again... LOL (Honestly it might be a Sudoku addiction... LOL)
My pleasure 😊 Munis. Always something to learn. So glad you found my site."the most popular site online to learn sudoku" Please share with others, give me a thumbs up below the video, and subscribe and click the bell by the subscribe button. By doing so you will be notified by youtube when I upload a new video. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html th-cam.com/users/sudokuguy www.sudokuguy.com
7:50 could someone explain to me how he decided that the small fours could only go where he put them? Why couldn't one go in the top middle square of the middle block, or the bottom left square of the top block?
Sorry i jumpred ahead. Watch further on and you will see why and also see below. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Congrats for this nice channel and videos. I stopped sudokus in 2007 because I could not find challenges anymore. First contact with them again. Nice souvenir.
Welcome back! Yves So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
You are wonderful too. Please tell your friends and subscribe. When you click on the bell by the side of the subscribe button you will receive notifications from me free.
It was hard but not difficult. The more techniques and tricks you know and spot, the easier the puzzle and the faster you can solve it. Have fun Thanks!
Hi Robin. Imo you are not only a great teacher but also a very good sudoku solver. I am 32 and l played 3 times world championship sudoku. Unfortunately my best finishing was 8th place. You are very strong because you solved this puzzle in 25 minutes losing time explaining. I made it in 12 minutes without losing time explaining. Not a big gap between you and me. Did or do you play tournaments ? Cheers from France from à big fan. Take care of you
My pleasure GXZZ. So glad you found my site. “the most popular site online to learn sudoku” Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step to solve. You will find all of my videos below. th-cam.com/users/sudokuguy
Stumbled upon this video because lately I've been challenging myself with hard sudoku puzzles and from all the videos I've seen so far, you're the best teacher here! You got nice techniques too. Also, keep the puns coming, I like them and your humor. 😂
Gee thanks. There are more coming. Have fun. Please subscribe. Here are all of my videos for your interest. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Glad you liked it! So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
It's my pleasure MN. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Thank you Sree. So glad you found my site. "The most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It's FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html th-cam.com/users/sudokuguy www.sudokuguy.com
Well done kind sir. I chuckled a bit when you were doing this puzzle. I had accidentally discovered the exclusion rule. I was calling it the "odd man out" because I didn't remember you mentioning rule of exclusion, or my feeble brain didn't comprehend it. Such as when you had the 2-8, 2-8 and the 2-9. Rule of exclusion meant the 2 of the 2-9 was impossible and therefore could be removed and the 9 put in the box
Well done Mike. I use this frequently. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
I'm always interested in other techniques. My own method uses the same process on every sudoku, unless quite hard, and uses no pencil marks. I simply start at the top row and memorize all missing numbers in that row. I then test each empty spot moving left to right to see if only of those numbers is possible. After that I test the missing numbers in the row one by one to see if they only work in one position. Then I go on to all the other rows repeating the process. Once I have gone through all the rows once, I repeat the same process with the columns. After that, I repeat the process for the nine cells. At this point I will have never backtracked or changed my focus. I've done one single process from beginning to end. At this point I will have many numbers filled in, possibly completing the puzzle, but if not, I just start back at the top and repeat the entire process again and again until I have solved or can't fill any more numbers with this process. Since there are no pencil marks, I then find matching pairs, and use various techniques to see if they force numbers to be locked into position. Beyond that It gets very hard to visualize and as a last resort I will use pencil marks. Most often I can solve without them though.
Wonderful. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
The 4 at 7:50! I GET IT!!! This genius was thinking several steps ahead and had already realized that a 7 was going to end up in row three, column 4. He just didn’t mention it. Can’t do two things at once. In the video at 8:50, you’ll see where this happens at 9:25. But he had already solved this in his mind minutes earlier! If he had actually shown this first, a lot of questions would have been avoided. Wish I was that smart!!!
Thank you for your comment. So glad you found my site. “the most popular site online to learn sudoku” Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step to solve. You will find all of my videos below. th-cam.com/users/sudokuguy
Great Hope you learnt something. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Hi Mr Jimmy I'm glad you enjoyed the journey and will continue to enjoy the journey as you learn more. So glad you found my site."the most popular site on line to learn sudoku" Please tell others and subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can view all of my videos here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
You have made my day. Thanks. So glad you found my site." the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step-by-step how to solve. For a list of videos go here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html sudokuguy.com
So nice of you. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Gee thanks mary. So glad you found my site, “the most popular site on line to learn sudoku" Please tell others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can view all of my videos here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
You're welcome... So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. For a list of videos go here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html sudokuguy.com
Thanks. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html th-cam.com/users/sudokuguy www.sudokuguy.com
Thank you too! I do many puzzles from beginning to end. So glad you found my site."the most popular site online to learn sudoku" Please share with others, give me a thumbs up below the video, and subscribe and click the bell by the subscribe button. By doing so you will be notified by youtube when I upload a new video. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html th-cam.com/users/sudokuguy www.sudokuguy.com
Thanks Anton Lots to learn in this video. Another one is coming soon Please subscribe. It is free and you will be notified when I put up another video lesson/tutorial
Glad you enjoyed! So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Hi Pushpa, Thanks. More of these tutorials are coming. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Suggestion for next vidéos. Try to explain how to solve s puzzle called Al escargot... Probably the hardest puzzle ever. I spent 2 hours and half to finish this monster
thanks so much. You have made my day!!!. Please tell others about my site. So glad you found my site." the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step-by-step how to solve. For a list of videos go here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
This tutorial is a very important one in that it shows many trick and techniques. More of these tutroials are coming. I myself am always learning and I have been doing these puzzles for many years. Hang in there Achillies 2117
At 13:18 using the rule of exclusion, you could put a nine into the 4th cell down in the 9th column, then you could solve the 3x3 in the right block of the middle row
Yes you could, but you must be able to explain why you put the 9 there. The rule of exclusion you mention does not help you get that 9. In the end it does become a 9 but due to other factors.
@@SudokuGuy it's the only place the 9 could go. All of the other cells in that column have 9's in there row. The only one that doesn't have a 9 is the 4th cell down.
@@SudokuGuy sorry I must be confusing the rule of exclusion with another rule. I just noticed the nine could only go in the 4th cell down because all of the other cells in the column had nine's in their rows
Same to you Neeray. So glad you found my site. “the most popular site online to learn sudoku” Please share with others, subscribe (FREE) and click the bell by the subscribe button. Have fun as you learn step by step to solve. You will find all of my videos below. sudokuguy.com th-cam.com/users/sudokuguy
Could you do a New York Times medium puzzle on day? I can do the easy ones now but I can't make progress on the medium puzzles. They always seem harder than the ones you do on the video even when I try your techniques.
Really suzanne! Have you looked at the tutorials from 50 onwards. They may help you. sometimes it is worth looking at a tutorial more than once. So glad you found my site. “the most popular site online to learn sudoku” Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step to solve. You will find all of my videos below. www.sudokuguy.com
Another great lesson :) although many people asked the 7:50 question about the four and there is no answer to this despite looking through the comments. I guess it was a mistake that got lucky.
Thanks. Hope you learnt something. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Thanks Crystal So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Hi Namaste Manik. So glad you found my site,” the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can find all of my videos by clicking on the link below. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html th-cam.com/users/sudokuguy
7:49 - 7:55 Why was 4 placed in R1 & R2, C1 of BLOCK 5? Why was R1C2 discarded? Thanks a bunch! Anybody can pitch in to help ;) EDIT: Is it because we were only solving for the 4th column of the overall matrix? EDIT 02: I understand the reason; it's because of conjugate 7 in R3 of Block 5.
Hi Shreyam thanks for your kind words. Please subscribe and ask your friends to subscribe. It is free and if you click on notifications when you subscribe, when I upload a video on the 21st of the month you will be notified by youtube.
You are right Eric. thanks for your support and telling me about this. So glad you found my site."the most popular site online to learn sudoku" Please tell others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can view all of my videos here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html sudokuguy.com
around 7:50 4 does not necessarily constitute a member of 4-9 matching pair... it can also go on the top center cell of the middle box of the sudoku grid...
It's great that you found this helpful Seowoo. So glad you found my site."the most popular site on line to learn sudoku" Please tell others and subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can view all of my videos here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Hello, at the 7:27 mark, why can't a 4 go in the middle? I don't see anything stopping it from going in the very top middle box. Can someone help with that in simple terms please?
See my comments under the video. Yes I have to confess. I jumped ahead knowing that the 4 would eventually have to go there. You are irght in questioning this. Robin
You are very welcome to add sudoku guy in order watch list. So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. For a list of videos go here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html sudokuguy.com
Thanks. You are definitely on your way to master sudoku. Keep watching tutorials up to 100 to learn advanced techniques more. So glad you found my site." the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step-by-step how to solve. For a list of videos go here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
I've just learnt playing Sudoku for a few days but it's just my instinct and it's really slow so i wanna learn a method systematically that can solve any level. Is there a way and which videos should I watch ?
Good question. go here : th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html sudokuguy.com And you will find all of my videos from beginners to advanced. Tutorial #50 is quite difficult if you have not watched my beginning videos. which take you step by step to learn how to solve. All the best and thanks for your support. Please tell others about my site. Robin
thank you for the nice lessons. i don't see why at 7.56 of this lesson sir Robin choose the left column to enter 4 and therefore arrive at a 49 matching pair. Please explain
Hello Lavon. thanks for understanding that i have beginners and I am a teacher by profession, sharing sudoku with the world in retirement. Yes this would be a hard puzzle for beginners if they have not looked at my beginners section which often happens unfortunately. So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. For a list of videos go here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html sudokuguy.com youtube.com./@SudokuGuy
@Sudoku Guy I totally understand. It was my fault, I clicked on your video for the first time. At my level l was looking for a difficult puzzle and a strategy like X-Wing. I've always used my logic, and never have read or watched video on even how to play. I assumed in ignorance that difficult, or hard meant difficult as I knew. That was foolish. You are a wonderful teacher, being intelligent enough to make the complex simple so people can learn. You have that caring spirit of one who really wants his students to learn. I'm sure you were a favorite of many, many students. You held my attention just with the way you presented yourself and your joy about the subject matter, and excitement that people will learn. This world badly needs teachers like you! God bless you, and thank you for taking the time to respond.😊 Your video came up first, so I knew you were the most popular. I certainly wasn't expecting a response. I will definitely look at more of your videos. God speed 🙏
Interesting. I have never of that rule. Sorry I can't help you on this one. Usually I have no problems but you have stumped me. If you could show me where this comes from I may be able to help.
@@SudokuGuy Hi thanks for replying back. In its base form it means that there is only one solution to a puzzle. But sometimes on the harder puzzles, I find myself stumped over some of the twin pairs. They explain the rule in sudokuprimer.com/ambiguity-rule.php and there is another you tuber by the name of Harold Nolte who shows them. I just prefer the method of how you teach because it is very slow and you show your notes of possible numbers in a cell.
At around 8:10 he deduced that the 4 could only be in D4 or E4 and I’m not sure why. At that point in the puzzle I don’t see any reason why the 4 couldn’t be in D5 as well. Any insight would be most appreciated
I am! Clark. the move to Australia from Canada had been an adventure to say the least with 3 lots of quarantine.. My filming equipment has been held up and it is somewhere in the Pacific still. Hoping to get my famous white board soon. Watch tutorial 83 for the lastest.
Hello Robin, do you offer help in solving Hitoshii puzzles? There appears to be very few people out there offering help, except the whisperer, and I can't hear what he's saying. Thank you
Sorry I am completely swamped just look after my Sudoku Site. So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. For a list of videos go here: th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html sudokuguy.com
I wonder if there are some Sudokus with only one path right through to the solution? I see lots where there are a number of choices for the next step at one stage or another. I think a 'one-path' Sudoku might seem hard even if the steps are easy.
HI Anda, So glad you found my site."the most popular site online to learn sudoku" Please share with others, give me a thumbs up below the video, and subscribe and click the bell by the subscribe button. By doing so you will be notified by youtube when I upload a new video. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/users/sudokuguy
Hi Narayan, thanks for your greeting. Have fun as you watch my videos and learn many techniques and tricks. More tutorials are coming th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html
Sir,can it be predicated that after up to what stage we can be sure that now the puzzle will certainly be FULFILLED...? As I started filling hard puzzles, Thanking you Hoping will get positive reply.. Mahendrakumar Dubai
Yes it will Mn. Lots depend on the puzzle and what techniques you know and what you spot and when. Most puzzles have 2 sections. The first section is where you buld up enough numbers by using a procedure and then spotting a technique. After you have solved it then the rest of the puzzle falls into place. Watch my tutorial #64 which is being uploaded in July. It shows that once you have solved numbers by using a technique such as spotting a pattern, then the rest of the puzzle is easily completed
What fun! It was so great to watch you solve from beginning to end. Many online Sudoku teachers don't fully explain their thinking, but you are so clear and easy to follow it's a pleasure. Thanks for a great lesson!
You have made my day. There is more coming every month on the 21st I upload a new tutorial. Not alwasy a complete puzzle. Will do more complete puzzles from now on.
I got lost right around 7:50 mark. You said the 4 could not go in column 5 rows 4 and 6. Why?
@@SudokuGuy i
@@danielgaudet871 Thanks so much for your support and encouragement.
Good question. I apologize in that I jumped ahead knowing that it would go there. See the comment below.
That was great. Fun to see you go through and use all the tips and techniques you teach
Yes we did cover many tricks. Hope you learnt something
@@SudokuGuy 9 yu
I love your technique! I just started doing sudoku yesterday and after watching your tutorials I'm breezing through puzzles like this.
Thanks MzQue. Have fun as you continue to learn new tricks.I'll by uploading another tutorial like this soon.
I've never seen someone so passionate about Sodoku. Thank you for the tips, coach !
My pleasure! So glad you found my site."the most popular site online to learn sudoku" Please share with others, give me a thumbs up below the video, and subscribe and click the bell by the subscribe button. By doing so you will be notified by youtube when I upload a new video. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed.
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Wow, I just noticed that you reply to every comment on your video! It's really awesome to see such dedication and engagement with your viewers. It shows how much you value and appreciate the community you've built around your content. Keep up the great work!
Thankyou so much for your observation and support. Robin
Thanks to you, sir, I don’t think of sudoku as a boring and tedious puzzle anymore! Thanks for all the useful tips and solving techniques, your methods work like a charm!
Happy to help Matt So glad you found my site. “the most popular site online to learn sudoku” Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step to solve. You will find all of my videos below.
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This is tremendous. Well done Robin! More live solve videos will be fantastic. It feels good when you spot the naked singles. I find it often opens the puzzle up
Right!!! sometimes just one new number will lead to the end of the puzzle.
Thanks Robin, your techniques have helped me improve my sudoku skills!
Wonderful Hang in there
You are a lot of fun! There -"four"........Love your red jacket too.
Oh thank you! CBEST. So glad you found my site. “the most popular site online to learn sudoku” Please share with others, subscribe (FREE) and click the bell by the subscribe button. Have fun as you learn step by step to solve. You will find all of my videos below.
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So glad I found your channel Thanks for teaching us these methods and you explain everything very clearly in laymans terms.
You are so welcome! downundervlogs. So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. For a list of videos go here:
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Thank you, Robyn, I started sudoku two weeks ago and on my first youtube search for a mentor, I choose you as my tutor/professor and find all your vids amazing. I did my first 100 so call EASY and did pretty well, BUT now for first 3/100 have been a failure after this tutorial I am hoping that my next 96 puzzles will be easy 🙂🙂as you say "let's see" thank you so much.
Wonderful! I suggest that if you are new go and watch the beginners lessons a videos. You will find them below. So glad you found my site."the most popular site online to learn sudoku" Please tell others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can view all of my videos here:
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I watched your tutorials......solved this puzzle own my own.....and it came out correct......I am so happy....thank you so much for your concerned teaching
Most welcome 😊Dude 3. Please tell your firends. There is much to learn. Hang in there.
You are awesome! Been following all your videos and because of you I've become quite the expert from the easy to medium puzzles. I still can't do the diabolical puzzles but I'm determined. God bless. Thanks!
Thank you Frenchie. You have made my day. Hang in there. Please tell your firends. about my site "the most popular site on you tube to learn sudoku"
Watching you solve it makes it look so easy, then I tried it myself and I couldn't figure it out. So I put your video and the puzzle side by side, solved it together, and boy! I am amazed at your skill
Glad it helped! So glad you found my site." the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step-by-step how to solve. For a list of videos go here:
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yes.getting a matching pair,it is really a fun as you express
Hi Syam, yes matching pairs play a big part in all puzzles. So glad you found my site. "The most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It's FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html th-cam.com/users/sudokuguy www.sudokuguy.com
I love this grandpa. He makes me love Sudoku more
Thanx
What a great video. Thank you Sudoku Guy.
Glad you enjoyed it!. Please tell your friends to go here.
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Great . Nicely explained all the intricacies in solving this Hard Puzzle. Firstly not putting 5s in third row of first block and remember first & then solving later is amazing.
Thanks so much for your comment. I hope you learnt something. from this video.. So glad you found my site."the most popular site online to learn sudoku" Please share with others, give me a thumbs up below the video, and subscribe and click the bell by the subscribe button. By doing so you will be notified by youtube when I upload a new video. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/users/sudokuguy
I just love how you explain things .First I though that sudoku is an impossible game, but now every sudoku puzzle is a fun and interesting challenge for me. I am now your fan. Thank you very much:):):):)
Thanks karin. so glad to know you are finding the game now interesting. Hang in there. Master the easy ones first. Please subscribe as it is free.. You will be notified when I upload a new tutorial.
Thank you very much for your videos. You have greatly improved my understanding of sudoku. I appreciate not only the knowledge you give us but the gentle manner in which you give it. Thank you.
You can do it. Have fun. Please subscribe It's free
I have already subscribed to this channel & learnt many things.
Now I am able to solve medium level puzzles appearing in our daily news paper Times Of India without any difficulty.
Trying to solve now some hard level puzzles.
Thank You so much Robin Sir.
My suggestion is to look at tutorials from #18 and up as this will help you learn more tricks and procedures. All the best. So glad you found my site."the most popular site online to learn sudoku" Please share with others, give me a thumbs up below the video, and subscribe and click the bell by the subscribe button. By doing so you will be notified by youtube when I upload a new video. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/users/sudokuguy
I started to learn sudoku solving during lockdown begining with tutorial one.
Your teaching is amazing and generating so much interest.
Although a first timer I am able to solve easy ones.I keep on watching vedios again and again if I am stuck anywhere.
Thanks so mych
Great to hear! Smita, Hang in there...the more puzzles you do the better you will become at solving. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed.
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Thank you, Sudoku Guy! This helped so much!
You're welcome Jeanetta
Thank you sir. I've found myself trying to tackle the more intermediate puzzles using my own self taught (but limited) techniqus and either falling short or getting it just plain wrong.This will surely help.
Glad to help! I suggest you go step by step lesson by lesson. In doing so you will learn all the tricks ,proceders and strategies needed solve. One of the biggest mistakes is to try very hard puzzles before you have mastered the easy ones. Go back and revise by watching my ealier lessons This saves frustration. So glad you found my site."the most popular site on line to learn sudoku" Please tell others and subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can view all of my videos here:
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@@SudokuGuy will do, thankyou.
You remind me a lot of my grandfather that has passed away. I love the techniques that you explain so well.
Thanks for your support. So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. For a list of videos go here:
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HEY SIR I AM ANVESHA NOW I CAN ALSO DO SUDOKU YOU ARE THE BEST
You are on your way to enjoy sudoku.
So happy to have you as sudoku teacher .. lots of love from India ....
I learned lots of the tricks that i cound have not without you...
So energetic ...
Thank you sir
Wonderful! And thanx for your supportive comment. So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve.You will find all my videos here
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Sir Today i learned how to solve suduku problem i saw so many tutorials but you are amazing sir
Glad to hear that. You are are doing well. Keep learning and watch videos up to 100 to become an expert. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html Robin,
I do enjoy this method of solving Sudoku . Thank you Robin :-) I still get mistakes when I do these but most of my mistakes are from not paying attention to what else is further up or down in the column or row...
Thanks for your comments. Nothing like practice eh!
@@SudokuGuy: I don't even mind my mistakes that much... I find the Sudoku process very relaxing. And I just try again... LOL (Honestly it might be a Sudoku addiction... LOL)
Tq Robin its a pleasure following your tutorial
My pleasure 😊 Munis. Always something to learn. So glad you found my site."the most popular site online to learn sudoku" Please share with others, give me a thumbs up below the video, and subscribe and click the bell by the subscribe button. By doing so you will be notified by youtube when I upload a new video. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed.
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7:50 could someone explain to me how he decided that the small fours could only go where he put them? Why couldn't one go in the top middle square of the middle block, or the bottom left square of the top block?
I wondered the same! The middle block is part of a matching pair (6+8) but then bottom left square still seems a possibility.
Sorry i jumpred ahead. Watch further on and you will see why and also see below. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed.
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Me toooo...
I still don't see how he came up with 4..... can anyone explain
@@SudokuGuy how you got to 4?
Congrats for this nice channel and videos. I stopped sudokus in 2007 because I could not find challenges anymore. First contact with them again. Nice souvenir.
Welcome back! Yves So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed.
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You are wonderful. Watched all your Sudoku lessons and I've learned so much. Will keep watching. God bless.
You are wonderful too. Please tell your friends and subscribe. When you click on the bell by the side of the subscribe button you will receive notifications from me free.
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That couldn’t have been that hard of one. I finished it! Lol. Thanks.
It was hard but not difficult. The more techniques and tricks you know and spot, the easier the puzzle and the faster you can solve it. Have fun Thanks!
Hi Robin. Imo you are not only a great teacher but also a very good sudoku solver. I am 32 and l played 3 times world championship sudoku. Unfortunately my best finishing was 8th place. You are very strong because you solved this puzzle in 25 minutes losing time explaining. I made it in 12 minutes without losing time explaining. Not a big gap between you and me. Did or do you play tournaments ? Cheers from France from à big fan. Take care of you
Thanks so much for being a big fan. There is always tricks to learn. More is coming.
What a wonderful video, thank you for explaining all your thoughts 👍👍
My pleasure GXZZ. So glad you found my site. “the most popular site online to learn sudoku” Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step to solve. You will find all of my videos below.
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Stumbled upon this video because lately I've been challenging myself with hard sudoku puzzles and from all the videos I've seen so far, you're the best teacher here! You got nice techniques too. Also, keep the puns coming, I like them and your humor. 😂
Gee thanks. There are more coming. Have fun. Please subscribe. Here are all of my videos for your interest.
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Missed this first time round. Great puzzle. Hope you are still well, haven't heard from you lately! Take care, Jim L
Thanks Jim. I am still around.... very busy each day helping players
Wonderful video. Lots of cool tricks.
Glad you liked it! So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed.
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I am thankful to you sir,as I have learnt many useful tecnic to solve a sudoku puzzles.sudokuuz are very helpful to learn the logical way..
It's my pleasure MN. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed.
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Thank you sir.you explained it really well and in an enjoyable manner .god bless you.
Thank you Sree. So glad you found my site. "The most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It's FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed. th-cam.com/channels/d8JaOdfEWcJOtwG6YayW0w.html th-cam.com/users/sudokuguy www.sudokuguy.com
You are the best Sudoku teacher ever!
I was thinking that Sudoku is a difficult and boring game, now I am Alsudoic.
Great . Hang in there as you learn step by step
It was very interesting to see how you write a 4 !
Thanks, It's the way I was taught to draw a 4 when I was a child in Australia.
Well done kind sir.
I chuckled a bit when you were doing this puzzle. I had accidentally discovered the exclusion rule. I was calling it the "odd man out" because I didn't remember you mentioning rule of exclusion, or my feeble brain didn't comprehend it.
Such as when you had the 2-8, 2-8 and the 2-9. Rule of exclusion meant the 2 of the 2-9 was impossible and therefore could be removed and the 9 put in the box
Well done Mike. I use this frequently. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed.
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I'm always interested in other techniques. My own method uses the same process on every sudoku, unless quite hard, and uses no pencil marks. I simply start at the top row and memorize all missing numbers in that row. I then test each empty spot moving left to right to see if only of those numbers is possible. After that I test the missing numbers in the row one by one to see if they only work in one position. Then I go on to all the other rows repeating the process. Once I have gone through all the rows once, I repeat the same process with the columns. After that, I repeat the process for the nine cells. At this point I will have never backtracked or changed my focus. I've done one single process from beginning to end. At this point I will have many numbers filled in, possibly completing the puzzle, but if not, I just start back at the top and repeat the entire process again and again until I have solved or can't fill any more numbers with this process. Since there are no pencil marks, I then find matching pairs, and use various techniques to see if they force numbers to be locked into position. Beyond that It gets very hard to visualize and as a last resort I will use pencil marks. Most often I can solve without them though.
Well done. If it works for you that's great sprocket. I suggest you look at tutorial 79, 82 and 83
Dear sir, I have already subscribed your channel.Started enjoying Sudoku.
So nice of you
Sir, your explanation is helpful for us...
Thanks a lot..
Enjoying solving SUDOKU PUZZLES now
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The 4 at 7:50!
I GET IT!!!
This genius was thinking several steps ahead and had already realized that a 7 was going to end up in row three, column 4. He just didn’t mention it. Can’t do two things at once.
In the video at 8:50, you’ll see where this happens at 9:25. But he had already solved this in his mind minutes earlier!
If he had actually shown this first, a lot of questions would have been avoided.
Wish I was that smart!!!
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You are right! There are only two missing numbers in row 6 (7 and 2) and it´s pretty easy to see where the 7 goes. Thanks!!
Thank you so much! I am going to practice now!
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Thank you Sir, I enjoyed that journey! ;-)
Hi Mr Jimmy I'm glad you enjoyed the journey and will continue to enjoy the journey as you learn more. So glad you found my site."the most popular site on line to learn sudoku" Please tell others and subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can view all of my videos here:
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This is a great channel, I mean it
You have made my day. Thanks. So glad you found my site." the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step-by-step how to solve. For a list of videos go here:
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Sir it was really a great video
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When you absolutely through yourself into your activity your energy will only grow.
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At 7:53 I don't understand when u said 4 can't go in the 2nd cell of the middle block
Sorry Danial , I jumped ahead knowing the next section. My fault. See the comments below. thanks for your support.
Thank you
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You are great sir
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Amazing,,, thanks
Thank you too! I do many puzzles from beginning to end. So glad you found my site."the most popular site online to learn sudoku" Please share with others, give me a thumbs up below the video, and subscribe and click the bell by the subscribe button. By doing so you will be notified by youtube when I upload a new video. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed.
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Super video. Nice presentation. Ik become an addict I think. Super video and a nice and enthousiastic man.
Thanks Anton Lots to learn in this video. Another one is coming soon Please subscribe. It is free and you will be notified when I put up another video lesson/tutorial
Love your good explonations as well as the puns, thereFOUR I enjoyed watching your video xD
Glad you enjoyed! So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. (It’s FREE) Have fun as you learn step by step how to solve. Below is my home page with all the videos listed.
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Great explanation
Hi Pushpa, Thanks. More of these tutorials are coming. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve.
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7:40 "8" can go in bottom middle block of 9 in top row, where "small 56" is marked.
?? sorry not sure what you mean.
Suggestion for next vidéos. Try to explain how to solve s puzzle called Al escargot... Probably the hardest puzzle ever. I spent 2 hours and half to finish this monster
Where do I find it? You can send me a copy via my email if you go to www.sudoku guy.com
@@SudokuGuy Just google ai escargot. It's easy to find.
Very hard 😢great teaching
thanks so much. You have made my day!!!. Please tell others about my site.
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Lol!
It is suppppppppper easy!😂
Idk how , but alhamdolilah I have that felling that nothing is impossible😉!
Thanks
@@SudokuGuy thanks to u sir
Im getting there!
Hang in there,you are progressing to more difficult puzzles. Hang in there Robin
Thank you for the ideas sir
This tutorial is a very important one in that it shows many trick and techniques. More of these tutroials are coming. I myself am always learning and I have been doing these puzzles for many years. Hang in there Achillies 2117
Hi @ 7:53 you say a 4 cant go in the center block -center column - top row. Can you explain why ? thanks
sorry I jumpred ahead ...see below.
I had the same question!
At 13:18 using the rule of exclusion, you could put a nine into the 4th cell down in the 9th column, then you could solve the 3x3 in the right block of the middle row
Yes you could, but you must be able to explain why you put the 9 there. The rule of exclusion you mention does not help you get that 9. In the end it does become a 9 but due to other factors.
@@SudokuGuy it's the only place the 9 could go. All of the other cells in that column have 9's in there row. The only one that doesn't have a 9 is the 4th cell down.
@@SudokuGuy sorry I must be confusing the rule of exclusion with another rule. I just noticed the nine could only go in the 4th cell down because all of the other cells in the column had nine's in their rows
7:53 can someone please explain to me why can't the 4 go to the middle?
I'm just a beginner
And this guy didn't even explain why the 4 can't go there
sorry folks I jumped ahead without explaining this. I knew that the 4 was not going to go in there. Thanks for pointing this out.
@@SudokuGuy you didn't even answer my question my goodness
god bless you.
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Could you do a New York Times medium puzzle on day? I can do the easy ones now but I can't make progress on the medium puzzles. They always seem harder than the ones you do on the video even when I try your techniques.
Really suzanne! Have you looked at the tutorials from 50 onwards. They may help you. sometimes it is worth looking at a tutorial more than once. So glad you found my site. “the most popular site online to learn sudoku” Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step to solve. You will find all of my videos below.
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Another great lesson :) although many people asked the 7:50 question about the four and there is no answer to this despite looking through the comments. I guess it was a mistake that got lucky.
That's right I jumped ahead. Sorry.
nicely done
Thanks. Hope you learnt something. So glad you found my site."the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve.
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Love that intro!
Thanks Crystal
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You are the best sudoku master, you forgot to use a red pen to show the difference
Hi Valli, Yes I did Look at other lessons and tutorials and you will see that I do use other colours.
thank you sir
HI Sargon, So glad you are enjoying how to solve. Have fun. Please subscribe. It is free.
Love from India
Hi Namaste Manik. So glad you found my site,” the most popular site on line to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can find all of my videos by clicking on the link below.
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7:49 - 7:55
Why was 4 placed in R1 & R2, C1 of BLOCK 5?
Why was R1C2 discarded?
Thanks a bunch!
Anybody can pitch in to help ;)
EDIT:
Is it because we were only solving for the 4th column of the overall matrix?
EDIT 02:
I understand the reason; it's because of conjugate 7 in R3 of Block 5.
See comments under my video.
You are the best
Hi Shreyam thanks for your kind words. Please subscribe and ask your friends to subscribe. It is free and if you click on notifications when you subscribe, when I upload a video on the 21st of the month you will be notified by youtube.
At 13:15 you had, in the right most column, a 4-6, 6-7, 4-6-7, and 4-7-9. The 4-7-9 has to be a 9 and would have cleared up several boxes. 🙂
You are right Eric. thanks for your support and telling me about this. So glad you found my site."the most popular site online to learn sudoku" Please tell others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can view all of my videos here:
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Thanks robin
Thanks to you for watching my videos and applying the techniques. Master the easy puzzles first. Have fun
around 7:50 4 does not necessarily constitute a member of 4-9 matching pair... it can also go on the top center cell of the middle box of the sudoku grid...
Sorry I jumped ahead.....se my comments below
@@SudokuGuy Ok a 7 around there saved me.... you were lucky!
Your the best
It's great that you found this helpful Seowoo. So glad you found my site."the most popular site on line to learn sudoku" Please tell others and subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. You can view all of my videos here:
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Hello, at the 7:27 mark, why can't a 4 go in the middle? I don't see anything stopping it from going in the very top middle box. Can someone help with that in simple terms please?
See my comments under the video. Yes I have to confess. I jumped ahead knowing that the 4 would eventually have to go there. You are irght in questioning this. Robin
May i should add it into my watch list..🗿🙏
You are very welcome to add sudoku guy in order watch list. So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. For a list of videos go here:
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Super sir
Thanks. You are definitely on your way to master sudoku. Keep watching tutorials up to 100 to learn advanced techniques more. So glad you found my site." the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step-by-step how to solve. For a list of videos go here:
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I've just learnt playing Sudoku for a few days but it's just my instinct and it's really slow so i wanna learn a method systematically that can solve any level. Is there a way and which videos should I watch ?
Good question. go here :
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And you will find all of my videos from beginners to advanced. Tutorial #50 is quite difficult if you have not watched my beginning videos. which take you step by step to learn how to solve.
All the best and thanks for your support. Please tell others about my site.
Robin
thank you for the nice lessons. i don't see why at 7.56 of this lesson sir Robin choose the left column to enter 4 and therefore arrive at a 49 matching pair. Please explain
See below I'm sorry I jumped ahead.didn't mean to. hang in therel have fu nlearning.
Exactly.. i too had the same doubt..
It's a medium puzzle at best, not difficult at all. I do like the way you go through it for beginners.
Hello Lavon. thanks for understanding that i have beginners and I am a teacher by profession, sharing sudoku with the world in retirement. Yes this would be a hard puzzle for beginners if they have not looked at my beginners section which often happens unfortunately.
So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. For a list of videos go here:
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youtube.com./@SudokuGuy
@Sudoku Guy I totally understand. It was my fault, I clicked on your video for the first time. At my level l was looking for a difficult puzzle and a strategy like X-Wing. I've always used my logic, and never have read or watched video on even how to play. I assumed in ignorance that difficult, or hard meant difficult as I knew. That was foolish. You are a wonderful teacher, being intelligent enough to make the complex simple so people can learn. You have that caring spirit of one who really wants his students to learn. I'm sure you were a favorite of many, many students. You held my attention just with the way you presented yourself and your joy about the subject matter, and excitement that people will learn. This world badly needs teachers like you! God bless you, and thank you for taking the time to respond.😊 Your video came up first, so I knew you were the most popular. I certainly wasn't expecting a response. I will definitely look at more of your videos. God speed 🙏
Thankyou muchly for your kind response. I hope you look at my videos as you will learn much.
Hi, I was wondering if you could show us a puzzle and explain the ambiguity rule?
I seem to get confused on how it is supposed to work.
Interesting. I have never of that rule. Sorry I can't help you on this one. Usually I have no problems but you have stumped me. If you could show me where this comes from I may be able to help.
@@SudokuGuy Hi thanks for replying back. In its base form it means that there is only one solution to a puzzle. But sometimes on the harder puzzles, I find myself stumped over some of the twin pairs. They explain the rule in sudokuprimer.com/ambiguity-rule.php and there is another you tuber by the name of Harold Nolte who shows them. I just prefer the method of how you teach because it is very slow and you show your notes of possible numbers in a cell.
At around 8:10 he deduced that the 4 could only be in D4 or E4 and I’m not sure why.
At that point in the puzzle I don’t see any reason why the 4 couldn’t be in D5 as well. Any insight would be most appreciated
Well done....you are right, I jumped ahead know what was coming ...my fault. congratulations for picking up on this missed out section.
Hoping that you're still doing great right now :)
I am! Clark. the move to Australia from Canada had been an adventure to say the least with 3 lots of quarantine.. My filming equipment has been held up and it is somewhere in the Pacific still. Hoping to get my famous white board soon. Watch tutorial 83 for the lastest.
Hello Robin, do you offer help in solving Hitoshii puzzles? There appears to be very few people out there offering help, except the whisperer, and I can't hear what he's saying. Thank you
Sorry I am completely swamped just look after my Sudoku Site. So glad you found my site."the most popular site online to learn sudoku" Please share with others, subscribe and click the bell by the subscribe button. Have fun as you learn step by step how to solve. For a list of videos go here:
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I wonder if there are some Sudokus with only one path right through to the solution? I see lots where there are a number of choices for the next step at one stage or another. I think a 'one-path' Sudoku might seem hard even if the steps are easy.
There are many paths you can take to solve. It depends on what you see and know and when you spot it.
Hi from turkey
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Namaskar sir
From India
Hi Narayan, thanks for your greeting. Have fun as you watch my videos and learn many techniques and tricks. More tutorials are coming
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this is easy sudoku,
Great you are obviously experienced.
7:53 why can not Fours go there?
See my comments below.. I jumped ahead.
Sir,can it be predicated that after up to what stage we can be sure that now the puzzle will certainly be FULFILLED...? As I started filling hard puzzles,
Thanking you
Hoping will get positive reply..
Mahendrakumar Dubai
Yes it will Mn. Lots depend on the puzzle and what techniques you know and what you spot and when. Most puzzles have 2 sections. The first section is where you buld up enough numbers by using a procedure and then spotting a technique. After you have solved it then the rest of the puzzle falls into place. Watch my tutorial #64 which is being uploaded in July. It shows that once you have solved numbers by using a technique such as spotting a pattern, then the rest of the puzzle is easily completed
hello，sir ,in 7:56 the video why said 4 can’t be in D5 ?
Good question. I jumpred ahead knowing that the 4's had to go there. Keep watching and you will see. See comments below.