Ключевые слова: achievement, background, battle, black, board, business, challenge, change, checkmate, chess, chessboard, choice, commercial, communication, competition, concept, connection, creative, crown, dark, data, decision, defeat, development, digital, enemy, fight, finance, game, gold, idea, intelligence, investment, king, kingdom, knight, leader, leadership, network, partner, pawn, piece, queen, sport, strategy, success, victory, war, wealth, win,