Ключевые слова: background, battle, black, board, board game, business, challenge, checkmate, chess, chess board, chess piece, chessboard, competition, concept, conflict, decision, defeat, fight, game, horizontal, idea, intelligence, king, king chess piece, knight, leadership, leisure, leisure games, move, pawn, piece, planning, play, power, queen, sports, strategic, strategy, success, team, teamwork, victory, white, winning,