[ Seeing as Xander was mostly good at being in the way last they met, the dodge does take the blond by surprise. Not that it matters much, seeing as the chip fires before the swing even connects and then he's too busy biting back the pained howl and making sure his head didn't just split clean open to really care about anything else.
Note to self — short and quick next time. He'll get you yet, Xander Harris! ]