Ключевые слова: activity, adults, adversity, and, board, business, businessman, caucasian, challenge, chess, close, color, competition, complexity, concentration, conquering, copy, decisions, ethnicity, fashioned, finger, focus, game, games, hand, head, hobbies, holding, horizontal, human, ideas, image, leisure, man, obsolete, old, one, only, person, piece, playing, power, selective, shot, shoulders, sitting, space, strategy, studio, success, thinking, up, wood, years,