[CoD2] 125 FPS jump help tutorial jm_nothing

Hey, im trying to jump jm_nothing with 125 fps but i just cant do it. Whats the trick? Other ppl jump those hard jumps with only one try...

Could somebody make a video or demo of this jump? Screenshot:

Attachment 121

Thanks!

Found something:
http://www.codjumper.com/strafejumping.php

Thanks for the link but he is just jumping 225 units there :D