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BALTIC-WAY 1999 Problem 6

  • Answer

What is the least number of moves it takes a knight to get from one corner of an n×nn \times n chessboard, where n⩾4n \geqslant 4, to the diagonally opposite corner?

Dataset text NuminaMath olympiads. Quoted with source.

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2 \cdot\left\lfloor\frac{n+1}{3}\right\rfloor

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