Tutorial #50 Solving a hard puzzle from the beginning to the end
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- Опубликовано: 22 авг 2024
- #sudokuguy #sudoku #learn sudoku www.sudokuguy.com
A fun, step-by-step video on how to solve a sudoku puzzle from the beginning to the end.
Many procedures, tricks and techniques are used, plus a couple of rules.
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Tim Dolan pointed out a place 7.50 where I jumped ahead. You were right Tim. I wondered how long it would be before sometone noticed. Thanks for your comment Tim
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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.
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!
Glad you enjoyed it!
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
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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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.
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
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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Thanks Robin, your techniques have helped me improve my sudoku skills!
Wonderful Hang in there
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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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?
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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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 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, 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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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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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. ruclips.net/user/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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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.
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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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)
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!!
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. ruclips.net/user/sudokuguy
I love this grandpa. He makes me love Sudoku more
Thanx
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.
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. ruclips.net/channel/UCd8JaOdfEWcJOtwG6YayW0w Robin,
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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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.
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. ruclips.net/channel/UCd8JaOdfEWcJOtwG6YayW0w ruclips.net/user/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
You remind me a lot of my grandfather that has passed away. I love the techniques that you explain so well.
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What a great video. Thank you Sudoku Guy.
Glad you enjoyed it!. Please tell your friends to 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.
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.
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!
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
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
Thank you, Sudoku Guy! This helped so much!
You're welcome Jeanetta
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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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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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.
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. ruclips.net/channel/UCd8JaOdfEWcJOtwG6YayW0w ruclips.net/user/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.
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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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Dear sir, I have already subscribed your channel.Started enjoying Sudoku.
So nice of you
When you absolutely through yourself into your activity your energy will only grow.
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:
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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!
Thank you so much! I am going to practice now!
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.
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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
Good Stuff - I stumbled at 7:50, why can't a Little4 go in Block5Cell2 (5,2)? I see in B4 that c7 and c8 own the 4(and 9), and in B5cells5 and 6(5,5,6) must be a 6 or 8. But I can't see why 5,2 can't have a L4. I don't dispute the solved end result but I just can't see why not.
Hi Tim, You are the first to notice this. You are right. I jumped ahead and should have not done so. No excuse.
Thanks for asking. I was wondering the same.
Not to worry, even a blind squirrel has the right time two times a day. Fwiw, I took your puzzle and tried to solve it my particular way. It took me way more than 30 minutes. When I came to the fork in the road I must’ve gone the other way. Always enjoy your videos 👍👍
Thanks I have mentioned before that there are many paths to take when solving. It depends on what you know, what you spot and when as to which path you will take.
Tim Dolan: yes thank you for asking that because I rewound 4 times and was wondering the very same thing also.
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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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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You are great sir
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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
Sir, your explanation is helpful for us...
Thanks a lot..
Enjoying solving SUDOKU PUZZLES now
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.
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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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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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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.
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.
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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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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Very hard 😢great teaching
thanks so much. You have made my day!!!. Please tell others about my site.
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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
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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Love from India
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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
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 :
ruclips.net/channel/UCd8JaOdfEWcJOtwG6YayW0w
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
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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sudokuguy.com
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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sudokuguy.com
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.
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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sudokuguy.com
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
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.
7:53 why can not Fours go there?
See my comments below.. I jumped ahead.
Sir it was really a great video
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.
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god bless you.
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.
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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
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..
At 7:49 I don't get how you arrived at the matching pairs of 4,9. It seems that R4C5 could be a 4. How did you exclude this square from 4?
I Understand and I ask you to look at the comments Below. Yes I jumped ahead and I am sorry I did that. I knew that the 4 had to go there from experience. Robin
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!
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.
14:50 - 15:50
It appears to me that you ignored the 4 7 in the bottom corner, and therefore “pun” guessed that the 7 went in the right center block.
I missed or do not see what across the very bottom row eliminated the possibility of it being a 7 at this point and time.
The only suggestion I can give you is to look at that section again and I think and hope you will understand. 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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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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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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this is easy sudoku,
Great you are obviously experienced.
Love you videos. I have a question dear sir. I have formed a habit in my short time of playing Sudoku (thanks to you...for playing the game not my habit)
I start with 1 and go through 9. Info through once and then a 2nd time to make sure I am accounting for all the implications from the previous solves. After that I begin looking for the houses that contain the fewest empty spots, patterns etc.
I have noticed NO ONE else does this. At least not any of the good players teaching tutorials on RUclips. Lol
It seems most people actually keep it pretty random in terms of just looking for things that stand out.
You use a Colombo section, Row section technique, ALTHOUGH I suspect you may not use so so religiously when solving puzzles outside a tutorial.
I feel like my technique may affect my interpretation of the board, or limit what I see based on routine and expectations.
Or does it not matter?
If it works that's great. The time may come where you may have to adjust. Have fun
Benjamin Henry I thought everyone solved these puzzles like that.
Start with the 1's thru to the 9's. Then repeat the cycle unless something obvious or easy comes along.
Doing it randomly for me causes more confusion and it takes longer. You end up missing critical solves.
Also, when I complete all of a certain number I indicate that by putting a dot to the left of the big box. 1 at the top down to 9 at the bottom. That way I don't waste time searching for numbers I've already finished.
I guess it's whatever works best for everyone.
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.
7:52 why can't the 4 be in the middle?... or at least to the upper square of the middle row
Yes it could be in the middle. Sorry I jumped ahead knowing that later it had to be on the side. My fault for missing out a step and thanks for pointing it out. Robin
Love that intro!
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.
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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
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.
Dear Sudoku guy,how many twchniques of Sudoku exactly? how can I find all.of them. If you read my comment,please respond.
Go to my channel page here ruclips.net/channel/UCd8JaOdfEWcJOtwG6YayW0w There you will find all playlist and lessons and tutorial in to learn step by step. Click on the playlist there and you will see on the right hand side the list of videos. Robin
You didn't gave an explanation of that 4..... in any of ur comment?? Plz give the explanation.....All guys r wondering in the comment box
See below
@@SudokuGuy I saw all the comments sir....
Pushkar Mehta you are quite right, I have been through all comments several times and there is no explanation. Please Suduko Guy explain it is baffling a lot of us.
How about doing puzzles with rule sets, Themo Ren bans, German & Dutch whispers, equal sum, palindromes, arrows, (lines equal the circle, black & white dots X's &Vs, arrows around the outside cages, snakes, Ying Yangs.
Those type of puzzles with "NO numbers given.
Thank you for your suggestion I will consider it Matthew.
When you put in the matching 4/9 pair in the center box, didn't you neglect the possibility of a 4 in column 5 row 4? And then I got confused when shortly there after you violated your notation and put 3 tentative 4's and 3 tentative 9's, not in the same row (or column) in the middle right box.
Sorry, but I think you were mistaken Only 2 4's and 2 9's.
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.
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.