CCCP © 1971 Koenig-Bellovin-Yalow.
Chess program written in PL/I.
CCCP stands for Columbia Computer Chess Program.
The game's graphical user interface evolved from the earlier "J. Biit".
The game played at the second United States Computer Chess Championship in 1971.
Overal structure of the program and human interface: Andrew Koenig
Tree searching and pruning routines: Steven M. Bellovin
Move generation and evaluation routines: Ben Yalow
Collaborator: Hans Berliner