Skill progress

The skill progress will calculate a skill training process at youth academy, combining training types for primary and secondary, following the options chosen. The combinations will be applied automatically using the best position for the training process.
You should also use the "tiny league" approach consisting in youth leagues of four teams + leaving it when finish + join or create another league that will start sooner.
All training effects after promotion will be styled like this.

Number of decimal digits
Primary training
Secondary training
Player's current values
Training's quality

Skill plan

Skills training formulas for senior squad by Schum.
Tweaks for youth academy by MaxDareDevil.
Individual training studies lead by glynzales.
You may check all involved users with MaxTools's project at About page.