Ключевые слова: background, battle, black, business, challenge, check, chess, chessman, chessmen, chesspiece, competition, decision, different, fight, figure, figures, fun, game, grey, hobby, intellectual, king, leisure, light, many, mind, move, nobody, object, piece, pieces, plan, play, queen, set, skill, smart, sport, strategy, success, tactics, victory, war, win, wooden,