Logic Masters Deutschland e.V.

Some X-Sums

(Published on 7. October 2026, 23:00 by GiAnMMV)

Some X-Sums

Rules:

  • Classic Sudoku: Every row, column and 3x3 box must contain every number from 1 to 9.
  • X-Sums: A clue outside the grid indicates the sum of the first X digits of its row or column, where X is the digit placed in the first cell in that direction.

Play it online in SudokuPad.

Solution code: Row 9, left to right.

Last changed on -

Solved by Hyoryn, micjo, fergus, maniacaljackal, Onyx, sacklunch, StevenS, JoeyJoeJoe, Jesper, FireTruckFuel, Steven R, doomedmageknight, Joyofrandomness, alx, r45, lina_hyena, Calesch, jalebc, marcmees, ... BlackApolloX, Orangezorki, olivrms, hanna_werner, ffricke, Grey, BeansInCrocs007, KingBas94, clapslat, bereolosp, Krisz, Leaving Leaves, Heikoo, Enterprize1, dingledork, sujoyku, Ipit, Ceguest215
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Comments

yesterday, 23:54 by VitP
actually, all of them (title)

on 9. October 2026, 17:22 by GorgeousNicko
It took me about half that time, and I am not a speed merchant. Flow was almost smoother than I would prefer.

on 8. October 2026, 00:38 by JoeyJoeJoe
1 star difficulty for me, took 00:18:03 - perhaps if you are unfamiliar with the rule it could be more difficult.

Difficulty:1
Rating:88 %
Solved:110 times
Observed:0 times
ID:000VD3

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Solution code:

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