CHAMPIONSHIP CHESS written by Alex Ford for the Commodore 64 came out in 1985. It is however the famous SARGON 2 chess program written by Dan & Kathe Spracklen which was originally published in 1983 for the Commodore 64.
You can read about the original SARGON 2 here:
There is another budget version which also came out in 1985 called CHESS CHAMPION. You can read about the original CHESS CHAMPION here:
The instructions on how to use CHAMPIONSHIP CHESS are shown in the photos below. However, you must remember when using an Emulator that the position of the minus sign (-) on a Commodore 64/128 is the equal sign (=) on a PC. Therefore in order to enter your moves using an Emulator you must enter as follows: e2=e4 etc. !
The approximate rating for CHAMPIONSHIP CHESS is 1150 - 1250 ELO (1350 - 1450 USCF)