[1331]

Haskell - 112 bytes / 88 score

  a="Fizz"
  b="Buzz"
  i%j=mod i j==0
  f i
   |i%15=a++b
   |i%5=b
   |i%3=a
   |True=show i
  main=mapM_ (putStrLn.f) [1..100]