Logic Masters Deutschland e.V.

Entropical Pairadise (Pairrow, Yin Yang)

(Eingestellt am 23. Januar 2025, 16:44 Uhr von DubiousMobius)

Here's my attempt at setting a pairrow Yin Yang. Thanks to Roger Wrightshoe and Aqjhs for testing! All feedback is appreciated, and thanks for playing!


Rules:

Sudoku: Place the digits 1-9 once each in every row, column, and 3x3 Box.

Kropki: Cells separated by a white dot contain consecutive digits.

Yin and Yang: Divide the grid into two regions. Each region must be orthogonally connected, and no 2x2 area may belong entirely to either region.

Entropic Yin Yang Pairrows: A cell with a pair of arrows containing the digit N will target the two cells N moves away in the directions indicated by the arrows.

If those two cells belong to the same yin yang region as one another, then the target cells and the clue cell will all share the same entropic class, i.e. they will all be lows (1,2,3), mids (4,5,6) or highs (7,8,9). The clue cell may be a different region than its targets.

If the targeted cells belong to opposing yin yang regions then the target cells and the clue cell will all have different entropic classes.

Click the puzzle to play!

Lösungscode: Row 4 with slashes separating cells that belong to opposing yin yang regions. E.g.: 1234/56/789


Gelöst von Snookerfan, Joyofrandomness, redgecko, bansalsaab, aqjhs, han233ing, Asphodel, jkuo7, itweb, Starlight, Piff, mihel111, gfoot, Brodie2000, Clara123, Vodakhan , zlotnleo, steeto, qinqi, jmw, ... palpot, Shape, IcyFruit, MrBrewer, ralphwaldo1, madhupt, SSBear, Racteal, Isael, Silverstep, lmdemasi, ViKingPrime, roflsalot, Sedum, elpadrinoIV, tuturitu, GoodMorningCallum, feverlute, cherryhaunt
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Kommentare

am 1. Februar 2025, 15:34 Uhr von GoodMorningCallum
Fantastic puzzle with incredibly rewarding logic. I found it difficult, but there was always a way through. I loved the interaction between the arrows and yin and yang - a brilliantly clever invention!

am 30. Januar 2025, 08:40 Uhr von elpadrinoIV
Perfect puzzle!

While it's hard, it's far from impossible, and I wasn't stuck for long on each step.

The interaction between rules are awesome.

Thank you so much for setting!

Zuletzt geändert am 27. Januar 2025, 17:24 Uhr

am 27. Januar 2025, 14:35 Uhr von madhupt
This is avery very nice puzzle. Brutally hard though. Felt like giving up many a times but it was too tantalising to give up. Had to do so much of scanning to finally solve this. Totally agree with @Solverscree ‘s comment that the yin-yang part of it really did not help in placing the digits in mid-solve. Completed that part after the sudoku. Totally echo the wish that it features on CtC to see if there is another more efficient solve path.

I solved it again. I think this time around, I solved on the most efficient path. It is so smooth. Beautiful! A total masterpiece!

am 27. Januar 2025, 11:10 Uhr von ralphwaldo1
I like puzzles that make you feel like a genius for solving them! Seems like a multi-stage break-in which required good deductions at each stage before things started getting easier, but each one a pleasure to find.

am 25. Januar 2025, 16:55 Uhr von askaksaksask
Sublime setting. This must be one of my new favorites. There is a great interaction among the arrows i haven't seen explored before, and the way the region building and entropy rules play off each other is very rewarding. Some really beautiful logic here. Thank you very much!

am 25. Januar 2025, 12:55 Uhr von mihel111
A masterpiece.
Congratulations and thank you for sharing.

am 24. Januar 2025, 22:23 Uhr von gfoot
Nice idea and well set, great logical deductions to follow throughout

am 24. Januar 2025, 04:25 Uhr von aqjhs
i solved it three times, it is that good.

am 23. Januar 2025, 20:57 Uhr von Joyofrandomness
Wowowow really delightful! Quite challenging but beautiful logic and absolutely wonderful. Thank you so much for this fantastic puzzle

am 23. Januar 2025, 18:42 Uhr von Snookerfan
Fantastic puzzle! I found it very hard, but also very rewarding and fun. The way the yin yang resolved throughout was marvelous. Thank you

Schwierigkeit:5
Bewertung:97 %
Gelöst:44 mal
Beobachtet:4 mal
ID:000LQC

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