2player game on 1x2005 strip All-Russian MO 2005 Regional (R4) 8.2
Source:
August 26, 2024
combinatoricsgamegame strategy
Problem Statement
In the middle cell of the strip there is a chip. Two players each queues move it: first, the first player moves the piece one cell in any direction, then the second one moves it cells, the st - by cells, the 2nd by , etc. (the -th shift occurs by cells). That, whoever cannot make another move loses. Who can win regardless of the opponent's play?