Ключевые слова: achievement, analysis, background, battle, black, board, boss, business, businessman, challenge, checkmate, chess, chessboard, competition, concept, control, decision, development, education, executive, figure, game, hand, idea, illustration, intelligence, king, leader, leadership, man, management, manager, move, person, piece, planning, playing, professional, risk, sport, strategy, success, suit, tactic, teamwork, thinking, victory, winner,