@echo off &setlocal
for /f "delims=" %%i in ('dir /b /a-d *.jpg') do ( ::This for loop creates the folders and sorts the files
    set "filename1=%%~i"
    setlocal enabledelayedexpansion
    set "name1=!filename1:~0,11!"
    ren "!filename1!" "!name1!.jpg"
)

for /R %%G IN (.) do ( ::This for loop goes through the folders created in the >previous loop< and removed the troopers name from the file name

)
pause