Scoring Spreadsheet

Since it looks like most people are only reporting their weight, I have narrowed down the scoring to 2 formulas that only use weight. Let's choose between these two or if someone can give us an exact formula we can consider that as well. I have entered in the weights reported for the first 4 weeks -- if you did not report a weight for a week, then I assumed you maintained the same weight as last reported.

http://spreadsheets.google.com/ccc?key=p6xjiT7NLvrYvOV6TAH-aag&hl=en_US