How levels are calculated? See here

# PLAYER NAME LEVEL
1 Mentos | CSGO5007
2 ][_,ysY. owner of Vgo7 . C O M6
3 Hitachi ☾ ム ★ max_kov6
4 Dazzer vgo7.com3
5 VGORoulette.com vgo7.com3
6 csgoempire.com3
7 Cio 1K *3 csgoatse*3
8 isoawsa2
9 RUSHB vgo7.com2
10 BIGBOSS vgo7.com2