Ключевые слова: battle, board, business, businessman, challenge, checkmate, chess, chess board, competition, competitive, concentration, concept, confident, conflict, corporate, decision, education, fight, game, hand, hobbies, holding, intelligence, king, knight, leadership, leisure, lifestyle, man, move, object, occupation, opportunity, opposite, people, pieces, planning, player, playing, queen, sport, strategic, strategy, success, thinking, victory, war, win, woman, young,