I don't know much about making trainers but you can export
\dlc\dlc_FootballCompEng\dlc\FootballCompEng\data\training_result_converter.ini from
data_ini.big (via CG File Explorer 16 e.g.)
and modify the chance of the specific grades like this:
[CM_TRAINING_SIMULATION]
// Difficulty: 0 = Bronze, 1 = Silver, 2 = Gold, the sum of the values for a given difficulty must be 100
// Grade: 0 = A, 1 = B, 2 = C, 3 = D, 4 = F
DIFFICULTY_0_GRADE_0 = 100
DIFFICULTY_0_GRADE_1 = 0
DIFFICULTY_0_GRADE_2 = 0
DIFFICULTY_0_GRADE_3 = 0
DIFFICULTY_0_GRADE_4 = 0
DIFFICULTY_1_GRADE_0 = 100
DIFFICULTY_1_GRADE_1 = 0
DIFFICULTY_1_GRADE_2 = 0
DIFFICULTY_1_GRADE_3 = 0
DIFFICULTY_1_GRADE_4 = 0
DIFFICULTY_2_GRADE_0 = 100
DIFFICULTY_2_GRADE_1 = 0
DIFFICULTY_2_GRADE_2 = 0
DIFFICULTY_2_GRADE_3 = 0
DIFFICULTY_2_GRADE_4 = 0
alternatively, download this paste (
Link) and save it as
training_result_converter.ini under
\FIFA 16\dlc\dlc_FootballCompEng\dlc\FootballCompEng\data\ (you will have to create the data folder)
then regenerate the
data_ini.bh with the FHL-BH-Editor (
Link)