Solution · October 13, 2026
Solution: The Accusation in the Corridor 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.
Spoilers below
Sure you want the answer?
You can reveal one step at a time instead and stop when it clicks.
The solved board: Easy 5×5
The murderer: The killer: Clara.
- Alma: row 5, column 1 (Cloakroom)
- Walter: row 1, column 2 (Corridor)
- Rafael: row 4, column 4 (Playground)
- Mateo: row 2, column 3 (Corridor)
- Clara: row 3, column 5 (Playground)
The clues
- AlmaThe retired botanist.
- WalterThe estate’s groundskeeper.
He was on a sofa. He was in the Corridor.
- Rafael · VictimThe bicycle courier.
The victim. He was alone with the killer. He was on a sofa.
- MateoThe waiter who hears everything.
He was in the Corridor with another man.
- ClaraThe young reporter.
She was in the Playground.
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 Walter, by his testimony or by a row or column already taken. Placed: Walter: row 1, column 2 (Corridor); Rafael: row 4, column 4 (Playground); Mateo: row 2, column 3 (Corridor); Clara: row 3, column 5 (Playground); Alma: row 5, column 1 (Cloakroom).
Today's case
Put it to work on a real case
A new murder at midnight UTC, free in the browser, with one arrangement that fits every clue.