Logic Masters Deutschland e.V.

Leap Frog in the Fog

(Eingestellt am 14. Dezember 2024, 00:21 Uhr von Jrosas)

Ordinary sudoku and fog of war rules apply. No guessing is required. Before posting a comment claiming the puzzle requires guessing, please view my video of how to solve without guessing:

https://youtu.be/9042L5oke8M?si=FJ8MRoTtPHOxtJN8

There are nine cells that show frogs hidden in the fog, one in each row, column, and box. Frog cells contain a set of the digits 1 to 9. Correctly placing a digit will reveal clues including frogs.

Digits in cages that are not in a cell showing a frog sum to the given clue and do not repeat. Digits in frog cells in cages may repeat if allowed by other rules.

Adjacent Digits on green lines differ by at least 5 but green lines “leap frog” any frog cells on the line as though the frog cells were not on the line, so that digits in any two cells adjacent to the same frog cell ignore the frog cell and themselves differ by at least 5.

Purple lines also “leap frog” any frog cells and digits on purple lines that are not in frog cells contain a set of consecutive digits.

Solve on Sven Neumann’s Sudokupad: LEAP FROG

Lösungscode: Row one left to right no spaces

Zuletzt geändert am 3. Januar 2025, 03:07 Uhr

Gelöst von sujoyku, Rheax, avsmith, NotSoMagnifique, raaaaa, arteful, itweb, rkm_sts, raj64107, Targora, jalebc, ole-1995a, Piff, SKORP17, 3ColorTheorem, antzervos, Iluvsodah, lune, heyalaine, rdesmarais2, ... dzamie, sarabtx, teuthida, Sarhik, Friedhelm, dingledork, MattJones, jkuo7, tjomi, Nickyo, Nagesh, zrbakhtiar, Aeneryss, tdeo, AllLemons, abadx, Schneehuhn, Uhu, kapostolou, MaxSmartable, schnitzl
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Kommentare

Zuletzt geändert am 5. Januar 2025, 00:05 Uhr

am 4. Januar 2025, 21:43 Uhr von abadx
Hi, once I watched the video and saw the technique used for disambiguating, I have corrected my rating although in my opinion this is a full 3 star puzzle as technique used is not very straightforward (of course the star rating is an average of all the solver's experience with the puzzle so nothing to say about it)

[Thank you. I, too, rated it 3-star because of the logic at the end. I suspect people guess and rate it “easy.” Thank you for watching my video, too.]

am 3. Januar 2025, 03:07 Uhr von Jrosas
Revised the rules to place my video solve link higher and more prominent after another comment claims guessing is required.

Zuletzt geändert am 3. Januar 2025, 03:12 Uhr

am 3. Januar 2025, 00:43 Uhr von abadx
A bittersweet experience. I found the constraint quite original in a positive way, but I was confused by the setting as sometimes I had no other way to advance than guessing a number (that happened three times in the last part of the game). I still doesn't know if frogs were intended to be seen or not, but without seeing them in advance I had to guess. Perhaps other players had the same feeling and that is the reason of the low rating .

Absolutely no guessing is required. There is a tricky part after 6 of the frogs are located, but there is only one possible way to locate the 9 frogs with different digits. I notice the rating dropped after your comment. Kindly view my solve video and consider raising your rating.

Zuletzt geändert am 1. Februar 2025, 17:54 Uhr

am 18. Dezember 2024, 22:38 Uhr von MattJones
I thought this was a lot of fun, with some nice flowing logic. Deserves a higher rating in my view.

am 15. Dezember 2024, 11:40 Uhr von whtshername
This puzzle requires no guessing and all frogs are displayed in the grid (turn "background image" on!)

After realizing this it was a nice solve. Thanks

am 14. Dezember 2024, 19:08 Uhr von rdesmarais2
1.5* for me. Very fun though. I was surprised how to proceed at times in fun way. Nice setting!

am 14. Dezember 2024, 12:31 Uhr von Martina
Nice one. I may have had only lucky hit in Box 5 :-)

am 14. Dezember 2024, 04:17 Uhr von NotSoMagnifique
Very fun, although I found some answers completely by accident! A hint for solvers - see if you can figure out the leapfrog positions early on!

Schwierigkeit:2
Bewertung:73 %
Gelöst:66 mal
Beobachtet:4 mal
ID:000KZV

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Lösungscode:

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