You win by denying their plan, not just executing yours. Petrosian and Capablanca, plus the heavyweight structures and the hardest basic mate.
Goal: 'What does my opponent WANT to do?' becomes your first thought, every move.
Goal: Capablanca's golden rule of conversion: one weakness is never enough.
Goal: IQP, hanging pawns, and the Benoni wall: three skeletons every advanced player meets.
Goal: K+B+N vs K: the mate every 2000-rated player has to deliver.