#358 Masyu – rated 6/10 [hard]All puzzles © Tom Collyer 2009-21.
Sunday, 22 August 2021
Puzzle 358: Masyu
So I don't think this is really as smooth and polished so as to live up to Nikoli standards, but there are a couple of flashes of something here and there to keep you interested, dearest reader. Enjoy!
Saturday, 21 August 2021
Puzzle 357: Sudoku
I'm going to be posting a few Nikoli style puzzles over the next few days. I was about to say that there probably won't be any Sudoku, but that's not entirely true. As a bit of a preview, there will probably be a few Renban Groups that I'll post, mainly because I've seen too many examples where the groups are presented as lines, rather than shaded regions, and it's annoyed me past a critical point.
Anyhow, puzzles like these I guess aren't as common as they used to be. Nothing too flash here. Enjoy!
#357 Sudoku – rated 3/10 [Easy]
Tuesday, 17 August 2021
Maki Kaji
I saw in the news today that Nikoli president Maki Kaji has passed away at the age of 69.
I had the chance to meet him at the 2010 world sudoku championships, hosted that year in Philadelphia, USA. Always fond of games and gambling - Nikoli the puzzle company takes its name from Nikoli the racehorse - he hosted a couple of rounds of the Nikoli derby in which I was lucky enough to finish to second, winning a tenugui which I still have with me today.
(Thanks - in advance! - to Przemysław Dębiak for the photo)
Kaji was known as the “godfather of sudoku,” following his role in the worldwide explosion of its popularity in 2004.
I am tickled to see an example of a Masyu puzzle included on the BBC website (and also how much better designed it used to be!). But I come under the category of a puzzle fanatic. I think part of his puzzling greatness is reflected in this quote:
"The secret to inventing a good puzzle," he said, "is to make the rules simple and easy for everyone, including beginners."You have to be able to make both easy and difficult puzzles using the same rules."Between 200 and 300 people help to complete a new puzzle. It has to be something that children, old people and everyone in between can enjoy, to be really good."
Rest in peace.
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