Hi Keith150
You have a very small window in which to contact the Decision Maker - so if you're going to do so - you should do so now. Don't waste time criticising the assessor - but refute, inaccuracies in the report and concentrate on the areas where you think you should have scored differently. This will not prevent you from putting in a Mandatory Reconsideration if you need to when the decision comes out.
BIS
Nothing on this board constitutes legal advice - always consult a professional about specific problems