Perfect game

depends on how long the opening is. caro-kann classical can rack nearly 22 moves?
on that basis, 22 of the 32 would already be excellent. leaving 10 excellent moves out of 17.
10 excellent moves and 7 blunders would be bad.
10 excellent moves and 7 mistakes would be bad.
10 excellent moves and 7 inaccuracies would be? well opinions would vary based on rating.