Ribbit

Ribbit ( German "quaken" ) was a chess program that was written by students at the Canadian University of Waterloo (UW) in the early 1970s . In 1974 it occupied in the World Computer Chess Championship in third place and won in the same year in the fifth computer chess championship of the USA . His successor, called Treefrog ( German "Tree Frog" ), took second place at the 6th North American Computer Chess Championship a year later (1975) .

history

Was developed Ribbit in the early 1970s at the UW through the computer science -Students Ron Hansen, Russell Cook, Jim Parry and Gary Calnek, who joined a little later. It was in Fortran written one at that time very common object-oriented programming , and ran on a Honeywell 6000 - Computer .

Web links

Photo from the 1st WCCC 1974 in Stockholm. Hansen, Parry and Slate during the game of Chess 4.0 against Ribbit , accessed on November 28, 2017
University of Waterloo brochure PDF; 5.2 MB. Retrieved November 28, 2017

Individual evidence

↑ University of Waterloo brochure PDF; 5.2 MB p. 10, accessed November 28, 2017

[1] University of Waterloo brochure PDF; 5.2 MB p. 10, accessed November 28, 2017