Ключевые слова: background, battle, black, board, business, challenge, checkmate, chess, chessboard, competition, concentration, concept, conflict, corporate, decision, defeat, fight, figure, game, idea, intelligence, king, knight, leader, leadership, leisure, management, manager, move, opportunity, pawn, piece, pieces, planning, play, power, professional, queen, risk, sport, strategic, strategy, success, symbol, teamwork, thinking, victory, white, win, winner,