P(S) = i/A + j(N/3) + k(1/Q)^2 + x((1/GT)^3)

A = Average age of founders

N = Number of founders

Q = Quality of idea, 0-1

G = Graham Quotient: How hard you'll work, 0-1

T = Taleb Quotient: How lucky you'll get

i, j, k, x: Adjust to fit the sample of 5 famous startups in the news this week

Repeat as required