Admin work doesn't get a lot of attention in coaching. If you get it wrong, though, it can have a big impact on your success.
The management of the competition phase probably isn't the biggest driver coaching success, but it definitely matters - especially when margins are narrow.
Your relationship with your players - both individually and collectively - can be a massive influence on your success as a coach.
If your training sessions produce better results than the competitions' - even if only by just a little each time - your chances of success go up.
A coach who is skillful in team organization is one who gets the absolute most of their personnel. This is a major driver of success in a team sport.
The quality, depth, and breadth of players available to the coach go a long way in determining success. So too does the ability to make good selections.
Do you know why Supercoach Sam wins so much? It could be any of a number of factors. Best to understand which one(s) before you try to replicate them.
We coaches (should) know how much we can influence those around us, emotionally and otherwise. It's something we also need to teach our players about.