I've noticed that as I've started playing deathmatch more I have trouble mostly when people peek corner or wideswing or just full on run past the corner. Using the footstep noise I can usually predict pretty accurately when they will appear, but I often feel like if I try to hit the head I miss. I also noticed that occasionally I will prefire the corner and they die before I see them. It feels like the hitbox while someone is moving is moved 2 inches in front of the head. I used to have bad ping and I thought that was the issue, but now I play on around 20 ping. Anyone else notice this?