First of all, i just copied it from another forum, to make it sure how it began.
not even LOOL if u play only horror mode or TDM your wins and losses will be lower
Dude are you stupid? Those horror and tdm modes are quit new, compared with 2007. It takes ages to get 160.000 wins! So till horror came out, it was more easy to rank up, but if you had a account after that date, you can't have a 1 star rank atm. Then it's probably boosted. I could give an idea for aeria: Ask someone to play the whole day (24 hour, 7 hours to sleep 24-7=17 hours soldierfront) and let him play only team battle or horror mode. If he's pro, he will get more exp then a regular/noob player indeed. He will give aeria the next day the details about his gameplay and the total exp mount he made for that day. That will be the TOTAL EXP THAT A PLAYER CAN GET AROUND OR LESS. So lets say it takes 30 minutes for 1200 exp, so 800x2= 1 hour=1600 exp x14hours (3 hours break from those 17 hours as example) hour = 27200 exp a dayx 365=9928000 EXP, but dude noone is that lifeless, people don't have that much time so i think a normal person could have less than that what i've calculated. I hope this information could help aeria.
With a good calculation of a player, you could compare to accounts and their time spent and exp, to check if they're valid, if above the regular exp in a year/month/day he'll probably getting banned! I hope my idea will work, i do think so, IF it runs.
Example: Maximum exp a player can get IN A DAY around: ~20.000 exp if nolife and pro. <LOL
*If a player has above the maximum like he obtained 19999534 exp in some time, he will be banned.