Sum of the Shade
(Published on 26. May 2024, 01:38 by randall)
Thanks to @XeonRisq for letting me bounce ideas around, and helping me put this one together. Thanks to @Crusader175 and @chilly for the test solves.
Enjoy!
Rules
- Normal Sudoku rules apply. Place the digits 1-9 exactly once in every row, column, and 3x3 box.
- Yin Yang. Shade some cells such that all shaded cells in the grid form a single orthogonally connected region and all unshaded cells also form a single orthogonally connected region. No 2x2 region may be fully shaded or unshaded.
- Circles: Numbers in circles are the sum of the digits within shaded cells that touch the circle. Only shaded cells count toward the total.
Puzzle Link
SudokuPad: https://sudokupad.app/54j9prbaax
Solution code: Row 3 - no spaces or punctuation.
Comments
on 14. July 2024, 14:57 by madhupt
So smooth and enjoyable! Great fun! Thanks a lot for sharing this
on 14. July 2024, 00:04 by wuc
Great fun puzzle. To me: At start there is a 4 star ramp. After that it is more 2 star. Enjoyed it. Thx.
on 31. May 2024, 08:00 by XeonRisq
Really a clever idea that has a tremendous amount of potential. This puzzle is definitely worth solving, very enjoyable solve path with interesting logic throughout.
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thanks, mate - and thanks again for your support! The final grid is better because of your input on this one, for sure!!
on 29. May 2024, 20:19 by sacklunch
Absolutely gorgeous puzzle, this is immediately one of my favorites. Beautifully designed! The interactions between the yin yang and the circle sums are so elegant, you constantly need to work back and forth between the two right to the end. Loved it!
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Wow, that's so kind of you to say so. I really appreciate the kind words!
on 29. May 2024, 07:18 by tryote
on 28. May 2024, 17:00 by Crusader175
Interact very nicely!
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thanks, mate! And thank you again for the test solve :)
on 28. May 2024, 16:09 by GandalfLeRouge
What a cool Yin Yang puzzle! Would 100% recommend it ;)
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thank you!
on 28. May 2024, 12:04 by puzzlepandit
Wow, nicely created randall! Nice combination of sudoku, yin yang and circle sum. Till end I had to use all.
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thanks for the kind words :)
on 28. May 2024, 11:24 by Lion Crow
I thoroughly enjoyed that. Thankyou.
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Glad you enjoyed it!
on 28. May 2024, 00:40 by elpadrinoIV
This was just brilliant. Very smooth, each step leading to the next one. Thank you so much for setting!
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My pleasure. I'm just glad you enjoyed it :)
on 27. May 2024, 23:39 by codewizard
I can only echo what others have said; really fun and very smooth. It just kept flowing :-)
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Thanks for the kind words, I'm glad you enjoyed it :)
on 27. May 2024, 23:33 by mandourin
Magnificent logic!
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You're too kind!
on 27. May 2024, 21:43 by timotab
Fun solve. Found this via James Sinclair's Artisanal Sudoku
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Thanks! And yes, it was an honour to get a mention in AS.
on 27. May 2024, 19:43 by 9Rookienumbers
Loved it! Thanks for setting
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Thanks, glad you enjoyed it :)
on 26. May 2024, 22:28 by Opsi
Even though I made a mistake and had to start over I very much enjoyed this wonderful puzzle :)
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thanks for sticking with it!
on 26. May 2024, 15:30 by Christounet
Very nice killer logic. Thanks :)
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Thank you, glad you enjoyed it :)
on 26. May 2024, 13:31 by nunc
Thanks a lot for this very satisfying puzzle. It was a very smooth solve.
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Thank you for the kind words!
on 26. May 2024, 11:51 by Perladel
Very smooth solve! Great puzzle!
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thank you - glad you enjoyed it :)
on 26. May 2024, 10:51 by Snookerfan
Beautiful and great fun! Thank you
on 26. May 2024, 10:51 by Snookerfan
Beautiful and great fun! Thank you
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Glad you enjoyed it :)
on 26. May 2024, 10:29 by Franjo
Nice ruleset, very well executed, smooth solving path - what a lovely puzzle! Thank you so much for sharing this gem.
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Thank you for the kind words!
on 26. May 2024, 07:30 by mihel111
Very well done randall. A good flow, nothing too easy, nothing too hard.
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thanks! Glad you enjoyed it.
on 26. May 2024, 06:46 by rameshsrivats
Brilliant puzzle. Just loved the way the whole thing flowed.
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Aw, thanks! That has made my day :)
on 26. May 2024, 02:54 by hardline35
This was a hard one but fun challenge. Thanks!
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Glad you had fun - thanks for solving :)
on 26. May 2024, 02:44 by Chilly
Great setting Randall - really enjoyed this one :)
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thanks, mate! And thanks for the test solve :)
