Ключевые слова: achievement, background, battle, black, board, business, businessman, challenge, chess, chessboard, competition, concept, crown, decision, education, enemy, executive, fight, figure, game, hand, human, idea, intelligence, king, knight, leader, leadership, leisure, man, management, manager, move, opponent, people, person, piece, planning, play, politic, power, strategic, strategy, success, successful, table, think, thinking, victory, win,