Solution · October 6, 2026
Solution: The Last Alarm at the School
Where everyone stood, who did it, and the order of deductions that gets there without a guess. If you have not tried the case yet, the board is on the case page. Play this case.
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The solved board: Easy 5×5
The murderer: The killer: Nora.
- Greta: row 2, column 4 (Cloakroom)
- Paula: row 5, column 3 (Chapel)
- Nora: row 4, column 1 (Chapel)
- Bruno: row 3, column 5 (Cloakroom)
- Hugo: row 1, column 2 (Playground)
The clues
- GretaThe gardener who talks to her roses.
She was in the second row. She was in the fourth column from the left.
- Paula · VictimThe opera singer between engagements.
The victim. She was alone with the killer. She was in the bottom row.
- NoraThe village doctor.
She was in the left column.
- BrunoThe cook who tastes everything.
He was in the Cloakroom.
- HugoThe retired colonel.
He was in the second column from the left. He was not in the Chapel.
Step by step
The order our solver finds. Each step uses only the clues and what the steps before it proved, and its heading links to the technique.
- Last cell left Every other cell is ruled out for Greta, by her testimony or by a row or column already taken. Placed: Greta: row 2, column 4 (Cloakroom); Bruno: row 3, column 5 (Cloakroom); Hugo: row 1, column 2 (Playground).
- Pinned suspects Paula can only be in the bottom row, so nobody else can be there. Placed: Nora: row 4, column 1 (Chapel); Paula: row 5, column 3 (Chapel).
Put it to work on a real case
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