Given two squares on a chess board of 5x5 or under, how can we determine the minimum number of moves required by a knight to reach one square starting from the other, including a way to determine if it is impossible to reach the knight?
2026-03-25 06:04:39.1774418679
Minimum number of steps for a knight on chess board (5 x 5 or under)
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Model your knight's errand as a graph: the squares are vertices, edges connect squares if a knight can jump from one to the other. Finding the shortest sequence from one to the other can then be done using e.g. Dijkstra's algorithm.