Patrick, at tradewinds they are not on the same course. Waves usually run a smaller course that is inside the bigger course.

Imagine two triangles one inside the other, all non spin boats are on the inside course, all others are on the outside.

Problem is all boats cross into each others course lines. I am interested in knowing what happened? port/starboard? was a protest filed? etc etc.

Inquiring minds want to know.