Ключевые слова: adult, background, battle, black, board, business, businessman, caucasian, challenge, challenger, check, checkmate, chess, chessboard, competition, concentration, concept, fight, game, hand, intelligence, king, knight, leadership, leisure, male, match, men, move, office, opposition, pawn, person, piece, play, player, power, queen, set, strategic, strategy, success, table, team, think, white, win, winner, wood, wooden,