I have no idea, but I have a suggestion for your checkmate problem. You get a full point for delivering the checkmate. Your piece gets half a point if it is a supporting piece. This can be guarding the piece that delivered the checkmate, or cutting off an escape square for the enemy king.
I'm thinking you might want to give "survival" points, too. So if your GM draws every game, you can get points if your piece is still on the board after the last move is played.
UPDATE: I've started an Excel Spreed sheet with some of the ideas we've talked about here using 2011 US Champ data. Please feel free to comment and/or change info as you see fit.
https://docs.google.com/spreadsheet/ccc?key=0AlQIGenb_kfvdG5ESF9QTUhpUnh4OEp4WGNLMldGSGc#gid=2
I'm looking for a Fantasy Chess site that is set up like Fantasy Football. The Fantasy Chess sites I've found so far you just pick what order you think each person will place in. BORING! I want a draft where each Fantasy player picks their team by the piece!
Example (for 2012): Someone might pick GM Nakamuras' Bishops, someone else's Rooks, etc... Each round you get points based off how many points of material your team took with the pieces you picked for them (Not sure what to do about checkmates).
Anyone know of a site that plays Fantasy Chess like this?