Just an idea to promote less played classes

[Soldier . . .]

Add a bonus system for the less played classes.

A rough design, so feel free to add, change and/or comment about it.

Global

Add a 3 step bonus globally.
Based on time played per class.

1. below 95%: 5 to 10% extra time or 5 extra points to there abilities.
2. below 90%: 10 extra points per kill.
3. below 85%: 5 to 10% extra time or 5 extra points to there abilities.
   

Code:

ArmoredTimePlayed  x NumberOfClasses x 100% / TotalTimePlayed
MedicTimePlayed    x NumberOfClasses x 100% / TotalTimePlayed
EngineerTimePlayed x NumberOfClasses x 100% / TotalTimePlayed
SoldierTimePlayed  x NumberOfClasses x 100% / TotalTimePlayed
ScoutTimePlayed    x NumberOfClasses x 100% / TotalTimePlayed
HeavyTimePlayed    x NumberOfClasses x 100% / TotalTimePlayed

example:

Code:

Armored:  6453 x 7 x 100% / 21131 = 213%   => no bonus
Medic:    5634 x 7 x 100% / 21131 = 186%   => no bonus
Engineer: 3404 x 7 x 100% / 21131 = 112%   => no bonus
Soldier:  247  x 7 x 100% / 21131 = 8%     => bonus level 3
Scout:    2547 x 7 x 100% / 21131 = 84%    => bonus level 3
Heavy:    2846 x 7 x 100% / 21131 = 94%    => bonus level 1

Player

Add a 5 step bonus per player.
Based on time played per class.

1. - below 95%:    5% extra time or 5 extra points to there abilities.
2. - below 90%:    10 extra points per kill.
3. - below 85%:    5% extra time or 5 extra points to there abilities.
4. - below 80%*:  10 extra points per kill.
5. - below 75%**: 5% extra time or 5 extra points to there abilities.
   

*  : 5 of the 7 classes need to be above 95%
** : all other 6 classes need to be above 95%

Code:

ArmoredPlayerTimePlayed  x NumberOfClasses x 100% / PlayerTimePlayed
MedicPlayerTimePlayed    x NumberOfClasses x 100% / PlayerTimePlayed
EngineerPlayerTimePlayed x NumberOfClasses x 100% / PlayerTimePlayed
SoldierPlayerTimePlayed  x NumberOfClasses x 100% / PlayerTimePlayed
ScoutPlayerTimePlayed    x NumberOfClasses x 100% / PlayerTimePlayed
HeavyPlayerTimePlayed    x NumberOfClasses x 100% / PlayerTimePlayed

first example:

Code:

Armored:  128 x 7 x 100% / 357 = 250%   => no bonus
Medic:    105 x 7 x 100% / 357 = 205%   => no bonus
Engineer: 74  x 7 x 100% / 357 = 145%   => no bonus
Soldier:  1   x 7 x 100% / 357 = 1%     => bonus level 3
Scout:    2   x 7 x 100% / 357 = 3%     => bonus level 3
Heavy:    47  x 7 x 100% / 357 = 92%    => bonus level 1

second example:

Code:

Armored:  128 x 7 x 100% / 364 = 246%   => no bonus
Medic:    105 x 7 x 100% / 364 = 201%   => no bonus
Engineer: 74  x 7 x 100% / 364 = 142%   => no bonus
Soldier:  1   x 7 x 100% / 364 = 1%     => bonus level 4
Scout:    2   x 7 x 100% / 364 = 3%     => bonus level 4
Heavy:    54  x 7 x 100% / 364 = 103%   => no bonus

third example:

Code:

Armored:  128 x 7 x 100% / 364 = 205%   => no bonus
Medic:    105 x 7 x 100% / 364 = 168%   => no bonus
Engineer: 74  x 7 x 100% / 364 = 118%   => no bonus
Soldier:  3   x 7 x 100% / 364 = 4%     => bonus level 5
Scout:    65  x 7 x 100% / 364 = 104%   => no bonus
Heavy:    62  x 7 x 100% / 364 = 99%    => no bonus