Changes

As your character teleports, move your mouse cursor to around the middle of the screen to reaquire your target after the first attack, because that's where you'll arrive after the teleportation. As you arrive, click to swing your weapon. You should connect and keep the target in stun lock. You'll always appear to the south (southwest depending on how you consider the screen angle) of your target, UNLESS something is already there that blocks being there.

These are the positions that a warrior will end up teleporting to when completing a Telekill, numbered according to priority. In other words, he'll always wind up in Location 1 unless an obstacle is blocking that; if so, he'll appear in Location 2 and so on.