Case Grid 007 · Hill Observatory · Zebra Logic Grid

The Star Chart at Sunrise

At Hill Observatory, four accounts crossed four places and four objects. Match every person to close the star chart at sunrise.

Goal Use each exact clue to complete all four matches.

Today’s workspace

Case Grid

Past grids
0 / 4 people matched
00:00
Cell mark

Automatic deductions can’t be edited here; tap one to see its source.

Verified Zebra logic-grid record

People, places, and objects in The Star Chart at Sunrise

At Hill Observatory, four accounts crossed four places and four objects. Match every person to close the star chart at sunrise.

People

  • Farah Kent
  • Dana Wolf
  • Eli Snow
  • Arlo Price

Places

  • West Ridge
  • Control Booth
  • Lens Workshop
  • Chart Library

Objects

  • Telescope Record
  • Weather Log
  • Signal Flag
  • Red Filter

Exact clues

  1. Arlo Price carried Telescope Record.
  2. Eli Snow did not carry Telescope Record.
  3. Dana Wolf was assigned to Lens Workshop.
  4. Farah Kent did not carry Red Filter.
  5. Farah Kent did not carry Weather Log.
  6. Weather Log was not logged at Lens Workshop.
  7. Telescope Record was not logged at Control Booth.
  8. Eli Snow was not assigned to Control Booth.
  9. Weather Log was not logged at Chart Library.
Read the closed-case resolution

Farah Kent was matched to Control Booth with Signal Flag. Once that link was fixed, every remaining account in the star chart at sunrise had only one possible place.

The rule in ten seconds

How to play

Exclude. Tap a blank cell once to mark an impossible match.

Confirm. Tap again to lock a match and clear its row and column.

Connect. Two linked matches automatically complete the third matrix.

Case Grid belongs to the classic Zebra-puzzle family: every clue connects categories until one complete set of matches remains.