>>30496978>>30497006>>30496799>>30497015It's true.
The first Pokémon Stadium game, which was only released in Japan on August 1, 1998, features a tournament mode with two divisions: the L1-30 division, based on Nintendo Cup '98, and the L50-55 division, based on Nintendo Cup '99. The finalists from the Nintendo Cup '97 appear as opponents in the L50-55 Division.
Each division features a set of rules that would become standard for all console games:
The species, self-KO, sleep, and freeze clauses are in effect.