an algorithm that horizontally reused and vertically interlaced sprites several times while rendering each frame,
to give the illusion that the system had more than the maximum number of sprites allowed by the hardware <ref>[https://en.wikipedia.org/wiki/Bob_Whitehead Bob Whitehead from Wikipedia]</ref>. However, the computer could not show the position and calculate at the same time.
=Tournament Play=
Two instances of the program played the [[MCC 1980|North American Microcomputer Chess Championship]] 1980 in [https://en.wikipedia.org/wiki/San_Jose,_California San Jose, California], where Atari A gained a respectable 50% score <ref>Bryce Perry ('''1980'''). ''North American Microcomputer Championship''. [http://www.chessdryad.com/articles/chessvoice/index.htm Chess Voice], October - November 1980, [http://www.chessdryad.com/articles/chessvoice/1980cv13_4.pdf pdf], pp. 71</ref>.
=Atari Catalog 1981=
