Ключевые слова: background, battle, black, board, business, businessman, challenge, chess, chessboard, competition, conflict, corporate, decision, education, enemy, executive, fight, figure, game, human, idea, intellectual, intelligence, king, knight, leader, leadership, man, management, manager, match, move, office, operate, opponent, person, planning, play, player, profession, resources, solution, strategic, strategy, success, successful, think, thinking, victory, win,