Stu,

the way I remember it BC represented the AMD view at the Predictor rewrite that the AMD processed WUs were dissadvantaged in terms of the points allocation.

I recall BC saying that they were including in the rewrite that they were switching to a WU matching process by similar processor.

Thus, having fewer AMDs in the wild it would take longer for the same Wus to be validated by similar processors.

I also remember that at the time of the Predictor server crash there was a huge backlog of uploaded Wus to be validated.

Noteably when the server came back up our rank dropped considerably.

I would surmise that this was due in part to 2 things:
1 - it was due to the back log of AMD processed Wus waiting validation whilst the Intels were matching up WUs faster, Intels being more prevalent in the wild.
2 - the repair of the Predictor stats database (I recall it was also impacted in the crash) was lower on the agenda than getting the app back up and running.

I expect that this change in rank should be resulting from our old WUs getting matched up and validated and some repairs to the DB being made as well as the fact that the points should now also be being allocated more equitably as a result of the representations made by BC at the code change sessions.

* Nota Bene - I have not dived into the Predictor forums for any information to base my assumptions on. That is why they are assumptions pure and simple. I am merely basing this on the discussions that we had with BC at the time. Im not in a rush to dive back into preditor forums. All I can say is that this was a correction that I was expecting inthe long run but which has taken a longer time to come about than expected.