Ключевые слова: battle, black, black background, black king, black pawn, boss, business, challenge, checkmate, chess, chess game, chess king, chess piece, chessboard, chief, competition, dark, decision, employees, fight, figure, game, group, hobby, influence, intelligence, king, leader, leadership, light, management, pawn, player, power, risk, ruler, security, silhouette, sport, state, strategy, success, tactics, task, team, thinking, tournament, tsar, victory, war,