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Murray Campbell got hooked in computer chess at the [[University of Alberta]] in [https://en.wikipedia.org/wiki/Edmonton Edmonton], Canada, where he worked with [[Tony Marsland]] on [[Parallel Search|parallel search]] and [[Principal Variation Search|principal variation search]] <ref>[[Tony Marsland]], [[Murray Campbell]] ('''1982'''). ''Parallel Search of Strongly Ordered Game Trees.'' [[ACM#Surveys|ACM Computing Surveys]], Vol. 14, No. 4, [http://www.cs.ualberta.ca/%7Etony/OldPapers/strong.pdf pdf]</ref> <ref>[http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=254906&t=26974 Re: PVS] by [[Robert Hyatt]], [[CCC]], March 12, 2009</ref>. He left Canada to enroll at [[Carnegie Mellon University]] (CMU) as a doctoral candidate in computer science. Supported by his advisor [[Hans Berliner]], he developed the [[Chunking|chunking]] [[Pawn Endgame|pawn endgame]] program [[Chunker]], and received his Ph.D. in 1987 for his work on ''chunking as an abstraction mechanism in solving complex problems'' <ref>[[Murray Campbell]] ('''1988'''). ''Chunking as an Abstraction Mechanism''. Ph.D. thesis, [[Carnegie Mellon University]]</ref>. Along with [[Gordon Goetsch]], he researched on the [[Null Move Pruning|null move heuristic]] - none [[Recursion|recursively]] with a modest [[Depth Reduction R|depth reduction]] <ref>[[Gordon Goetsch]], [[Murray Campbell]] ('''1990'''). ''Experiments with the Null-move Heuristic''. [[Computers, Chess, and Cognition]]</ref>.
Campbell was member of the [[HiTech]] team around Berliner, while [[Feng-hsiung Hsu]] and [[Thomas Anantharaman]] were already developing [[ChipTest]], the predecessor of [[Deep Thought]]. In 1986, Murray Campbell left joined the HiTech ChipTest team for ChipTest and Deep Thought, and in 1989, Campbell and Hsu joined [[IBM]] to develop [[Deep Blue]]. Murray Campbell's main function in the Deep Blue team was the development of the [[Evaluation Function|evaluation function]]. He worked closely with the team's chess consultant, [https://en.wikipedia.org/wiki/Joel_Benjamin Joel Benjamin], in preparing the opening book <ref>[http://www.research.ibm.com/deepblue/meet/html/d.4.3.html Murray Campbell IBM Research Scientist]</ref>.
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