gistfile1.rb

#!/usr/bin/env ruby

i = 0
moves = ["a7a6","a6a5","a5a4","a4a3"]
ARGF.each do |command|
  if command.start_with?("protover")
    $stdout.puts "feature ping=0 setboard=1 ics=1 usermove=1"
  elsif command.start_with?("usermove")
    $stdout.puts "move #{moves[i]}"
    i+=1
  end
  $stdout.flush
end