RG-Master - a program to calculate the ranking of competitors in table tennis, but it may also be used to calculate the other ratings. The program provides a unique opportunity to store all the results of games in a single database. You can always build a report about the previous games. And also build a full report on the ratings of participant which in you club.Thus, the RG-Master is a versatile calculator ratings of players. You can install it on a USB-flash or SD card and it will always be with you. This program has been successfully used in the Table Tennis Federation of the city of Belgorod. All ratings were calculated RG-Master program.