Ключевые слова: adversary, background, battle, black, board, business, challenge, checkmate, chess, chessboard, choose, competition, creative, crown, fight, game, gold, idea, intelligence, investment, king, leader, leadership, lost, market, marketing, move, network, objective, occupation, operation, pawn, plan, planning, play, power, queen, service, silver, strategic, strategy, success, victory, win, winner, work,