There is some truth to this. In theory, chess is a game of perfect information. But in practice, this is only true for ~6-piece endgames: every outcome has be

There is some truth to this. In theory, chess is a game of perfect information. But in practice, this is only true for ~6-piece endgames: every outcome has been / can be computed. But for any middle- or early-game position, the amount of finite information greatly exceeds any person's or computer's capacity, practically speaking. In concrete terms, the tablebase for 6-piece endgames is ~150 GiB. For 7-piece, it's 16 TiB. [1] https://syzygy-tables.info/ https://syzygy-tables.info/