Logic Masters Deutschland e.V.

Rubies and Beads

(Published on 23. June 2026, 10:00 by Sudokujoker)

Normal sudoku rules apply: Place the digits 1-9 once each in every row, column and 3x3 box.

Parity: Along red lines digits alternate between odd and even.

Kropki: Where two cells are connected by a black dot, one is double the other. Where two cells are connected by a white dot, they are consecutive.

Sudokupad link: https://sudokupad.app/j3pp0tj19q

Other puzzles in this series:

20.06.2026: Emeralds and Beads

21.06.2026: Sapphires and Beads

22.06.2026: Amethysts and Beads

23.06.2026: Rubies and Beads

24.06.2026: Ambers and Beads

Solution code: Row 1

Last changed on on 24. June 2026, 08:59

Solved by hanna_werner, L00ping007, wuc, damyan_rm, RebelSystem, jalebc, Piff, alx, Merovius, kisukeA, SweJo, PinkNickels, slowbiex, noodlehead, Reisen, SKORP17, fergus, dickey, Franjo, BULL-TT, SPOU1, abadx, ... Arheus, Bravissimo, lancer102rus, SirRookie, chis_r, TheCutmaster, kaiserbykaiser, HelloKetene, NeroChaos, sedici, vanbelizna, Nagesh, Montikulum, caden83, ofsmul, schmoedoku, cschwartz05, mutex
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Comments

yesterday, 09:17 by vanbelizna
first 2 star puzzle which i could done, so cool!

on 24. June 2026, 02:25 by rictech
Nice one, kept requiring deductions all the way to the end! Enjoyed it, thanks!

on 23. June 2026, 21:26 by abadx
On the top half of 2* to me. I though it would be easier due to parity rules, but some nice tricks were hidden along the solve path. Thanks for setting

on 23. June 2026, 11:29 by wuc
Great puzzle. The third was the hardest so far. This is very smooth and 2* to me. Looking forward to me puzzle thx.

Difficulty:2
Rating:94 %
Solved:78 times
Observed:0 times
ID:000TFF

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