"Schlag auf Schlag"? What have you guys been drinking? Or have your wifes threatening you that they will get divoced if you haven't finished this at the end of the weekend?
This is how I see it.
So if Black just would do it, then White could go on with that, and heaven would have it's ways, so that we all would be able to be one happily family again, and all this hostile aggression would soon be over.