The first call illustrates the application of rule D1.1(b) and answers this question:
A on starboard enters the zone of a windward mark clear ahead of X. X tacks onto port and then tacks back onto starboard. She then establishes an inside overlap with A from clear astern. Does A have to give X mark-room?
Read the answer in: RapidResponseTRCall2009004-.pdf
The second is an official answer to the team race situation discovered by Chris Love from Sailgroove
and discussed earlier in this post: RRS 18.2(c) changed in US College Sailing!
The Move is Legal!
But we already knew, didn't we ?
Read the whole call here: RapidResponseTRCall2009005-.pdf