Ключевые слова: background, battle, black, board, business, businessman, challenge, chess, chessboard, competition, concept, control, copy, corporate, decision, fight, game, group, intelligence, investment, isolated, king, knight, leadership, management, move, negotiating, pawn, person, piece, play, politics, power, queen, rule, space, sport, standing, strategic, strategy, success, successful, symbol, tactics, team, teamwork, toy, victory, white,