Poople #397: RISK to POOP

Path analysis

This route reaches POOP in 6 moves. Breadth-first search reaches every route with fewer moves first, so POOP cannot be reached in fewer than 6 moves from RISK.

Moves

6

Difficulty

Hard

Shortest paths

1

The dictionary has one shortest route for this puzzle.

1. Move 1: RISK → RISE — change the 4th letter from K to E.
2. Move 2: RISE → ROSE — change the 2nd letter from I to O.
3. Move 3: ROSE → POSE — change the 1st letter from R to P.
4. Move 4: POSE → POME — change the 3rd letter from S to M.
5. Move 5: POME → POMP — change the 4th letter from E to P.
6. Move 6: POMP → POOP — change the 3rd letter from M to O.