Reversi

Reversi or Othello is a board game for two people on an 8 by 8 square board.
The game uses a square board measuring 8x8 cells and 64 special chips.
One of the players plays white, the other — black.

Black makes the first move.
Put the chips in such a way that the opponent's chips are between them and they will become yours.
The winner is the one with the most chips.