The Biggest Sudoku Channel On RU-vid. Two videos every day (8.30pm & 11pm UK time)
Hosts (Simon Anthony & Mark Goodliffe) attempt to solve a world-class puzzle live in each of these videos.
Mark Goodliffe (12 times winner of The Times Crossword Championship) and Simon Anthony (former record holder for consecutive Listener Crossword solves) have represented the UK in the World Puzzle and World Sudoku Championships on numerous occasions. Each week there will be something for everyone from beginner through expert!
Don't be surprised if, from time to time, the videos include other puzzle types too (eg Japanese pencil puzzles, puzzle hunts etc)!
Amusingly, I got caught on the exact same bit at the end. I ended up having to color and finding that a 18 touched both colors of 24, so had to be an 8. Totally didn’t see one of them touched a 9. I swear I looked over them all 10 times! 😂
Proud of my performance here! I spotted the 165 constraint immediately, then fooled around to prove the low-middle-high snookering from 1-5-9 puzzles, then figured out the descent. Really fun how it just completely falls apart after that, I've never filled so many squares back to back!
That puzzle was really a tripper. And it did keep me on my flipper. ...s. But before it was done I had mountains of fun Saying "Simon, examine your zipper!"
Simon ruling 9 out of the centre circle in box 8 by going through a longish process by looking at the effects on the other zipper lines rather than using the pencil marked 9s in box 2 is such a Simon thing to do.
CTC is my sleep aid of choice and mental health booster. The puzzles are engaging enough to stop intrusive and racing thoughts. I need to focus and concentrate to follow Simon and Marks mental gymnastics. The way you deliver the logic is kind amd sweet and predictable and safe (meant in the best way possible). People often confuse peacefulness as being boring. When your mind is constantly in chaos you appreciate peace. I catch up on what I missed the next day, especially when I need to calm down and focus my thoughts. Thank you Simon and Mark.
I finished in 103 minutes. I really bungled the ending and wasted 50 minutes trying to find the end, only to realize I made a foolish error. I did the beginning quite quickly and colored the Yin Yang in 16 minutes. As I switched to even odd colors, things were going great until my error where I missed that r2c2 was already even. Missing that wrongly led my brain to put r3c1 to be odd, destroying my 6 even total. I carried on not knowing what I had done, causing me to furiously try to calculate then ending, before trying bifurcation as a last resort where I finally noticed my error. I spotted my error 95 minutes in, so I could have saved a lot of time. Otherwise, this was a very good puzzle that had some really cool logic within its ruleset. I like minesweeper rulesets and it worked great with the Yin Yang and Parity clues. Great Puzzle!
22:12 for me, with a break-in that looked very different from Simon's. Mine involved zipper logic plus sudoku* on high digits gradually reducing the maximum values that could appear on various dots until one was absolutely forced. Really enjoyable puzzle! *Thus, why it looked different from Simon's solve. 😉
To me this one was easy. Altought I made a mistake (twice) in the line at box 9, but it was almost at the end so I needed to go back just a little! Thanks 😊
It is a beautiful puzzle. I have been enjoying the Miracle Sudoku app very much, and have become quite used to looking for nonconsecutive situations (even in puzzles where that is NOT part of the rules, which can slow one down a lot in solving). Thanks for this. Can I do this puzzle? Probably. Could I do it without watching your video? Maybe. But I'm very glad to have watched it, and to have the chance to watch you twice a day, Mark (Wordle) and also on Patreon. Thanks for all that you and Simon give to this channel!
At 16:49 it is indeed true that you can't put 6 on a line that adds up to 6, but that isn't relevant here because the line adds up to 7. The reason you can't put a 6 in R3C1 is because it would place a 1 in R1C5 but there already is a 1 in that column, as part of a 1/2 pair that could have been resolved a while back.
I can confirm I had a chocolate cup cake on my birthday. Thank you Simon for the birthday wish! When your brain does 100mph all day every day it's nice to have it focus on something
Finished in 64:22. I totally forgot about the consecutive digits constraint and made a very bad assumption which eventually lead me to a dead end after more than 30 minutes. After restarting with the constraint in mind, it still took me a while to figure out the solution. Mind the consecutive digits constraint! Fun puzzle!
I solved this almost entirely in a notepad. Wrote out my logic up to the point where I knew the pattern each column must conform to. Spent an *embarrassingly* long time looking at the grid before realizing the given 7 determines a whole column, then wrote that in. Then worked out the possibilities for the cages, figured out there was only 1, and wrote the remaining 72 digits directly into the grid
I finished in 101 minutes. I almost gave up on this puzzle and watched the video. I was starting to watch the video until Simon pointed that the puzzle is very symmetrical and should repeat logic. I already had down the break-in in the middle, so using that logic just rotated was the key to me finishing. Great Puzzle!
You FINALLY remembered the rule of "digits on the line must appear a prime number of times" ... at 14:25, you could have filled in most of the rest of the line (4 can not be on the line twice, so R5C4 must be 3, etc) ... it would have made the whole thing much easier 😁
It would be brilliant if the rules stated "white dots separate consecutive digits, black dots separate digits in 2:1 ratio, digits separated by V sum up to 5, digits separated by X sum up to 10, all possible dots, V's and X's are given"
I haven't even looked at the puzzle, just read the rules, already the mathematician in me is raging at the "1 counts as prime" rule. Have to remember this is just a sudoku puzzle; number theory need not apply. Calming down... starting puzzle...
You should definitely play Braid and also a French game called Tsioque (pronounced like "chalk"). I won't spoil it, but it's incredibly cute and clever with a nice twist ending.