Ключевые слова: background, battle, black, board, business, businessman, challenge, chess, chessboard, competition, concept, education, enemy, fight, figure, game, hand, idea, intelligence, king, leader, leadership, leisure, management, manager, move, moving, pawn, people, piece, planning, play, player, power, professional, resources, risk, sport, strategic, strategy, success, successful, team, teamwork, thinking, victory, white, win,