Ключевые слова: army, attack, battle, business, challenge, checkmate, chess, chessman, chessmen, closeup, color, compete, concept, game, group, hierarchy, hobby, horizontal, idea, indoors, inside, king, leader, leadership, life, metaphor, nobody, objects, pieces, politics, recreation, rivalry, ruler, skill, still, strategy, studio, symbol, tactic, team, teamwork, war, warfare,