Compute a word's Pi Value by mapping the letters to the numbers in Pi, i.e. A = 3, B = 1, C = 4, etc. Any non-letter character is skipped over. Add all the numbers up, and if the result is more than one digit, add the digits until you have a single digit value. This is the word's Pi Value.

Example:

Mike = 9 + 5 + 5 + 5
     = 2 + 4
     = 6
     
Jack = 3 + 3 + 4 + 5
     = 1 + 5
     = 6

So Mike is a Pi-fect match with Jack.