Ключевые слова: action, advice, against, attack, background, battle, black, business, businessman, challenge, chess, chess player, chessboard, competition, concept, contrarian, exploration, fight, front, game, grayscale, illustration, king, leader, leadership, leisure, match, mate, piece, planning, play, power, protest, queen, recruitment, research, rivalry, russia, sanctions, sport, strategic, strategy, success, syria, table, team, thinking, usa, victory, white,