Charlie, at that time just entering The College of William & Mary was already an experienced APL programmer by Saturday programming sessions in his father's office at IBM. The Fox played the 4th ACM 1973 on an IBM 370-145 with a win against Tech 2 in the first round, but suffered from too many users on their timesharing system on Monday, where they lost both games due to time forfeit [2].
Charlie Wilkes,
an American chess programmer, together with his father Charles F. Wilkes author of the chess program The Fox. Inspired by the George R. R. Martin essay The Computer Was A Fish in Analog Science Fiction and Fact, August 1972 [1], concerning the early ACM Tournaments, they soon started to write an own chess program in APL, without knowledge of how others had to that point programmed. They invented their own equivalent to alpha-beta pruning.
Charlie, at that time just entering The College of William & Mary was already an experienced APL programmer by Saturday programming sessions in his father's office at IBM. The Fox played the 4th ACM 1973 on an IBM 370-145 with a win against Tech 2 in the first round, but suffered from too many users on their timesharing system on Monday, where they lost both games due to time forfeit [2].
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