Chess pairing program for double round robin We have regular friendly matches in our chess club. So far we have used an older version of swiss manager for swiss and round robin; but today when we had to pair using double round robin format, I was so puzzled. 

Is there a chess pairing system that can be used for double round robin system?
Just use the "Berger" Pairings/Tables. If there are an odd number of players, then a "dummy" player is added. When creating the pairings each round, whoever is playing the "dummy" player is simply receiving a bye. Then you run it again with colors reversed. If your program has no major issues, you should be able to manually enter people into your program, and the program should allow for people to be paired again with reversed colors.