Ключевые слова: background, battle, board, business, businessman, challenge, check, chess board, choice, competition, concept, concepts, conflict, decision, determination, difficult, difficulty, direction, enemy, fight, financial, game, games, group, idea, leadership, management, match, metaphor, partnership, piece, pieces, plan, play, player, playing, power, problem, risk, smart, solving, strategic, strategy, strength, struggle, successful, victory, win, work,