I used several draftnik sites to get an average draft position for the players - thus the "consensus". I then grouped the prospects into seven tiers, colored them following the rainbow (magenta, blue=good, red=bad). Then moved those guys up and down arbitrarily based on their stats, what little I know of the prospects, how they fit in the 49ers' schemes as I perceive it.
My previous tables and bit more on the method can be read here:
http://www.ninersnation.com/2013/4/2/4177058/consensus-49ers-big-board-linebackers-v-1-0
http://www.ninersnation.com/2013/4/3/4181282/consensus-49ers-big-board-ol-and-qb-v-1-0
http://www.ninersnation.com/2013/3/31/4168806/consensus-49ers-big-board-defensive-tackles-v1-0
http://www.ninersnation.com/2013/4/1/4172832/consensus-49ers-big-board-te-and-olb-v1-0
http://www.ninersnation.com/2013/4/2/4176538/consensus-49ers-big-board-defensive-backs-v-1-0
via i47.tinypic.com
The consensus appears to be very strong in this one. There is a leading group of three with minimal separation, and no clear blue chip player. Despite all rumors, there are a lot of WRs projected in the middle rounds. The top-12 is almost the same for everyone. For the later round prospects, the prospect positions vary from board to board, seemingly depending on how the actual player performed in the gametapes that were studied. Everyone agrees to disagree on Dobson, Swope and Harper, as all of them got both 2nd and 5th round grades.