Ключевые слова: background, battle, black, board, business, challenge, check, chess, chessboard, competition, concept, corporate, crown, decision, education, executive, fight, figure, game, hand, idea, intelligence, king, leader, leadership, leisure, manager, match, metaphor, move, piece, pieces, plan, planning, play, power, progress, risk, sport, start, strategic, strategy, success, successful, team, teamwork, thinking, victory, war, win,