In aggressive games, the piece colours are allotted to gamers because of the organizers; in casual online games, the colors tend to be decided randomly, for example by a coin toss, or by a single player concealing a white pawn in a single hand as well as a black pawn https://chess76208.educationalimpactblog.com/49216540/the-smart-trick-of-chess-that-no-one-is-discussing