gamenumber
Thegamenumber  filter consists of the single word gamenumber. It is a numeric filter that represents the game number of the game
  currently being examined. The first game examined is game number 1 and each subsequent game increases the game number by 1:
  
    gamenumber == 1
  The gamenumber filter can be a CQL parameter. The game number can also be specified on the command line
  using the command line option -gamenumber or -g, where it is followed by a range:
  
    cql -g 1 10 foo.cql.