Didn't really look like it to me...
Especially where he the guy is in the corner, and he runs past him and gets shot, without a flag, as if he was looking for him.
You gave yourself away by nading to spec, I just say brb and go obs.
EDIT: PainkE, I see your post below, I understand now, but I still think it's a give away to any hacker if someone is obs, to turn off their hacks...
Maybe one part looked like a wallhack... Could have been luck. Either way, judging by his jumps and stuff he seems pretty good...
