Did Grandpa get better as a duelist as the series went on or was he the same since episode 1? | tcgmode

When Grandpa dueled Joey in the KC Grand Prix, he gave a battle hardened Joey who had dueled Bandit Keith, Yugi, Espa Roba, Weevil, Mako, Odion, Marik, a pretty hard time. But he got pretty throughly trounced by Kaiba in episode 1 even though he could’ve just been overwhelmed by the holograms. ...