Sem vprasal na globalu, pa mi je EGM Perpete odgovoril to (anglescina ni problem, kajne ;) ):
"Those numbers aren't known. People have argued and experimented around those, but I don't know exactly myself what were the conclusions. Maybe someone will give you a good enough answer."
Gre pa priblizno takole, kolikor sem zasledil:
1. stopnja - 50% ucinkovit trener
2. stopnja - 75%
Od tu naprej ne vem, zato ne bom brcal v temo, ampak raje pocakal, da napise kdo, ki ve kaj vec
