Ключевые слова: background, battle, black, board, boy, business, caucasian, challenge, checkmate, chess, chessboard, child, childhood, competition, concept, corporate, decision, defeat, fight, figure, game, hand, intelligence, kid, king, leader, leadership, leisure, manager, move, person, piece, planning, player, playing, power, sport, square, strategic, strategy, success, tactic, team, teamwork, thinking, victory, war, white, win, young,