Foresight
(Published on 2. December 2024, 22:02 by jwsinclair)
Foresight, by James Sinclair
Normal sudoku rules apply, and all clues are standard.
Arrows: the sum of the digits along an arrow is equal to the digit in the connected circle, and these digits can repeat if allowed by other rules.
Thermometers: digits on thermometers increase from the bulb.
Quadruple circles: a digit inside a white circle must appear in one of the four cells surrounding that circle.
Play online
Originally published in Artisanal Sudoku, Volume 152. I publish five new puzzles there every Monday morning, and I only cross-post a handful of them here.
Solution code: row 1
Comments
on 31. December 2024, 11:07 by Crusader175
Beautiful! Everything blends so well together.
on 31. December 2024, 00:28 by TheNineElements
Solve Time: 15:53
I rated this 2/5 difficulty.
Very nice approachable sudoku with some interesting logic! I really liked the quads interacted with the other clues around the grid during the break-in.
The tricky part of this puzzle, for me, was figuring out how the quads worked to eliminate digits in their respective boxes/rows/cols when combined with other information from clues that shared a respective region/set.
I found this puzzle fairly easy given my experience/skill level, but I think the logic was a bit too tricky in the break-in to rate it 1/5 difficulty, so I think 2/5 is fair for the difficulty. Even though it was 'easy', it wasn't trivial and it had quite a fun solve path. This puzzle used some cool tricks that led to some interesting revelations/deductions.
Great setting, and thanks for sharing! I think this had some very interesting logic, especially for a 2* difficulty puzzle. Balancing interesting logic while remaining approachable seems quite tough, but this puzzle struck a nice balance. Definitely worth giving it a go!
on 16. December 2024, 23:23 by wuc
Great handcrafted material. Took me some time to break in. Great fun thx.
on 6. December 2024, 06:03 by MSDOS
What a fantastic puzzle! I loved how the final ambiguity held on right until the end! Always something to spot, lovely flow. Thanks James!
on 3. December 2024, 22:29 by sujoyku
Truly magical, what a beautiful puzzle! Thank you for this superb construction, jwsinclair!
on 3. December 2024, 21:58 by Norkas
This was super fun. You really nail the flow of these 2 star-ish puzzles.
on 3. December 2024, 19:46 by mihel111
The flow is incredible. Thx JS
on 3. December 2024, 18:42 by Playmaker6174
Ok now you're flexing hard there James, stop it-
Anyway, lovely puzzle with a very sweet opening sequence x)
on 3. December 2024, 17:50 by Franjo
Amazing puzzle with an incredibly satisfying break-in. Thank you very much for creating and sharing.
on 3. December 2024, 13:19 by OGRussHood
Gorgeous, as always!
on 3. December 2024, 12:56 by glum_hippo
F’ing magical
on 3. December 2024, 12:22 by GeorgeTheToad2
Thank you for all of your creative puzzles which are always a joy to solve. This one is great.
on 3. December 2024, 06:11 by VitP
looks intractable until you recognize the virtual quadrupole
on 3. December 2024, 01:04 by antiknight
Great break-in!
on 2. December 2024, 22:48 by askaksaksask
Great puzzle. I'm also a big fan of your newsletter, and I highly recommend it to anyone interested in a well curated collection of accessible puzzles.
