The Bernstein Chess Program

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The Bernstein Chess Program,
was the first complete chess program, developed around 1957 at Service Bureau Corporation, Madison & 59th Street, Manhattan, New York City [2], by chess player and programmer at IBM, Alex Bernstein with his colleagues Michael de V. Roberts, Timothy Arbuckle and Martin Belsky, supported by chess advisor Arthur Bisguier [3], who became IBM employee at that time and in 1957 international chess grandmaster, and supervised by Nathaniel Rochester [4].

Quote

As mentioned by John McCarthy [5], the Bernstein Chess Program under construction was presented at the 1956 Dartmouth workshop:

Alex Bernstein of IBM presented his chess program under construction. My reaction was to invent and recommend to him alpha-beta pruning. He was unconvinced. 

Shannon Type B

The Bernstein Chess Program was the prototype of a selective forward pruning, Shannon Type B program. On an IBM 704, one of the last vacuum tube computers, it searched four plies minimax in around 8 minutes, considering seven most plausible moves from each position and evaluated material, mobility, area control and king defense [6].

Publications

[7]

External Links

References

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