Problem #PRU-78689

Problems Algebra and arithmetic Word problems Tables and tournaments Chessboards and chess pieces Set theory and logic Theory of algotithms Game theory Game theory (other)
 13–13  2.0

Problem

A White Rook pursues a black bishop on a board of 3×1969 cells (they walk in turn according to the usual rules). How should the rook play to take the bishop? White makes the first move.