Robert Hyatt

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Robert Hyatt [1]

Robert Morgan (Bob) Hyatt,
an American computer scientist, computer chess researcher, chess programmer, acknowledged computer chess authority, and associate professor at Faculty of Computer and Information Sciences, University of Alabama at Birmingham, since September 2016 officially retired from UAB [2] . Bob Hyatt is one of the most active researchers in computer chess, being involved from 1968 until the present. He holds a Master of Science from University of Southern Mississippi in 1983 with a thesis on Cray Blitz [3] , and a Ph.D. from UAB in 1988 on the topic of parallel search [4].

His engine Crafty was the strongest open source engine for many years in the 90's and early 00's. He was primary author of Blitz and Cray Blitz, the two-time winner of the World Computer Chess Championship, the WCCC 1983 and the WCCC 1986. Beside research and publications on parallel search, transposition table, time management and book learning, Bob is inventor of rotated bitboards. He is active poster in Computer Chess Forums, served as moderator of CCC, and as member of the Secretariat of ICGA Investigations.


ACM 1982

Valvo Mitman Newborn Thompson Hyatt.Dallas.1982.jpg

Ben Mittman, Monroe Newborn, Ken Thompson and Robert Hyatt, ACM 1982 [5]

WCCC 1983


Harry Nelson, Robert Hyatt and Don Beal, Cray Blitz vs BCP, WCCC 1983 [6]

London 1984


David Levy and Robert Hyatt at Advances in Computer Chess 4, London 1984 [7]

ACM 1988

3-1 and 3-2.Nelson Hyatt Weiner.ACM 19 NACCC.Orlando.1988.102645367.NEWBORN.lg.jpg

Harry Nelson, Robert Hyatt and Ossi Weiner at the ACM 1988, Orlando [8]

ACCA 2007


James Swafford, Charles Roberson, Bob and Brian Richardson watching ACCA 2007 [9]

Selected Publications

[10] [11]

1980 ...

1985 ...

1990 ...

1995 ...

2000 ...

2010 ...

2020 ...

Forum Posts

1993 ...

1995 ...

2000 ...

2010 ...

2015 ...

External Links


  1. Image from Dr. Robert Hyatt's UAB homepage (Wayback Machine)
  2. Re: Around Crafty dev. ... by Robert Hyatt, CCC, September 01, 2016
  3. Robert Hyatt (1983). Cray Blitz - A Computer Chess Playing Program. Master's Thesis, University of Southern Mississippi
  4. Robert Hyatt (1988). A High-Performance Parallel Algorithm to Search Depth-First Game Trees. Ph.D. Thesis, Department of Computer Science, University of Alabama at Birmingham
  5. Photo from The Computer History Museum
  6. László Lindner, A SZÁMÍTÓGÉPES SAKK KÉPEKBEN című melléklete - The pictures of the Beginning of Chess Computers
  7. László Lindner, A SZÁMÍTÓGÉPES SAKK KÉPEKBEN című melléklete - The pictures of the Beginning of Chess Computers
  8. Photo courtesy of Monroe Newborn, The Computer History Museum (wrong text)
  9. The 2007 Second Annual ACCA Americas' Computer Chess Chamionships Site Pics from UAB
  10. ICGA Reference Database
  11. DBLP: Robert M. Hyatt
  12. 3 interviews about engine protocols with T. Mann, R. Hyatt and M. Blume by Frank Quisinsky, CCC, August 15, 2002

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