Known as power creep, its a way of making older cards outdated in the hope that players continue to purchase new products, though it can be frustrating when more casual players want to continue making use of their existing card collections
Red Red has access to a lot of damage-based removals, which is normally very good in 60-card constructed because Lightning Bolts and Shocks are very efficient
Its also gotten stricter over time, according to SGC grader Derek Grady, who told Sports Collector Digest in 2019 that In the early days of PSA, cards that were graded an 8 for the most part now if you cracked them out and resubmitted, they would grade lower. Nowadays, PSA uses the half-point system that many other services in the card grading industry also favor, which can be broken down like this: PSA 10 / Gem-Mint (GEM-MT): a virtually perfect card, according to PSAs website

The actions you can take are: Playing a Pokmon to your bench (as many as you like, up to 5 total benched Pokmon) Evolving your Pokmon (you can evolve each Pokmon once per turn, and not on the turn they were played onto the board) Retreating your Pokmon and promoting a benched Pokmon to the active spot Attaching an energy card to your Pokmon (once per turn) Playing a trainer card (you can play as many items, stadiums, and Pokmon tools as you like, but only one supporter per turn) Using the stadium in play (once per turn) Using Pokmon abilities (once per Pokmon per turn) Attacking your opponent's Pokmon Keep in mind that occasionally, a card will affect these actions and make them either impossible or more frequent