ddm = determination + discipline + motivating
strength, aerobics
fit * 9 + ddm * 2
>= 270 -> 7
>= 240 -> 6
>= 210 -> 5
goalkeeper
gk * 2 + ddm
>=90 -> 7
>=80 -> 6
>=70 -> 5
tactics
tac * 2 + ddm
>=90 -> 7
>=80 -> 6
>=70 -> 5
ball control
tec * 6 + men * 3 + ddm * 2
>=270 -> 7
>=240 -> 6
>=210 -> 5
defense
def * 8 + (tac + ddm) * 3
>=360 -> 7
>=320 -> 6
>=280 -> 5
attack
att * 6 + tac * 3 + ddm * 2
>=270 -> 7
>=240 -> 6
>=210 -> 5
shooting
tec * 6 + att * 3 + ddm * 2
>=270 -> 7
>=240 -> 6
>=210 -> 5
set pieces
(att + men + tec) * 3 + ddm * 2
>=270 -> 7
>=240 -> 6
>=210 -> 5
example:
strength, aerobics
fit 20 + ddm>= 45 =7
fit 19 + ddm>= 50 =7
fit 18 + ddm>= 54 =7
fit 17 + ddm>= 59 =7
goalkeeper
gkp 20 + ddm>= 50 =7
gkp 19 + ddm>= 52 =7
gkp 18 + ddm>= 54 =7
gkp 17 + ddm>= 56 =7
gkp 16 + ddm>= 58 =7
gkp 15 + ddm>= 60 =7
tactics
tac 20 + ddm>= 50 =7
tac 19 + ddm>= 52 =7
tac 18 + ddm>= 54 =7
tac 17 + ddm>= 56 =7
tac 16 + ddm>= 58 =7
tac 15 + ddm>= 60 =7
defense
def 20 + (tac+ ddm)>=67 =7
def 19 + (tac+ ddm)>=70 =7
def 18 + (tac+ ddm)>=72 =7
def 17 + (tac+ ddm)>=75 =7
def 16 + (tac+ ddm)>=78 =7
def 15 + (tac+ ddm)>=80 =7
Stolen from: http://community.sigames.com/showthread.php?t=106997