Claim: Chess 3.0 won the 1970 North American Computer Chess Championship, which was a computer championship organized by the Association for Computing Machinery and by Dr. Monty Newborn.
Evidence: The North American Computer Chess Championship was a computer chess championship held from 1970 to 1994. It was organised by the Association for Computing Machinery and by Dr. Monty Newborn, Professor of Computer Science at McGill University. 1970 Chess 3.0