Question 170
Given a square table $n \times n$, two players $A$ and $B$ are playing the following game: At the beginning all cells of the table are empty, and the players alternate playing with coins. Player $A$ has the first move, and in each of the moves a player will put a coin on some of the cells that doesn't contain a coin and is not adjacent to any of the cells that already contains a coin. The player who makes the last move is the winner. Which player has a winning strategy and what is the strategy?
Remark. The cells are adjacent if they share an edge.
Remark. The cells are adjacent if they share an edge.