Ключевые слова: background, battle, black, blur, board, business, challenge, chess, chessboard, choice, competition, concept, copy, decision, fight, game, glass, group, intelligence, isolated, king, knight, leader, leadership, leisure, line, move, object, piece, play, power, queen, reflection, set, shape, space, sport, square, standing, strategic, strategy, success, team, teamwork, thinking, transparent, victory, war, white, win,