Ключевые слова: background, battle, black, boards, boy, brain, business, businessman, career, check, chess, chess board, competition, concept, corporate, detail, double bed, drawing, fell asleep, fight, game, hand, horse, intelligence, isolated, king, kit, look, lost, match, movement, part, person, player, risk, sleep, solution, step, strategic, strategy, success, table, think, tired, white, win, winner, work,