Ключевые слова: battle, black color, business, business strategy, challenge, chess, chess board, closeup, competition, concepts, concepts topics, decisions, defeat, fighting, focus concept, horizontal, ideas, intelligence, king chess piece, knight chess piece, leisure activity, leisure games, loss, no people, part of, pawn chess piece, playing, politics, queen chess piece, risk, rook chess piece, single object, sport, strategy, success, symbol, white color, winning, wood material,