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'''[[Main Page|Home]] * [[People]] * Robert 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 <ref>[http://www.talkchess.com/forum/viewtopic.php?t=61289&start=2 Re: Around Crafty dev. ...] by Robert Hyatt, [[CCC]], September 01, 2016</ref> . Bob Hyatt is one of the most active researchers in computer chess, being involved from 1968 until the present. He holds a [https://en.wikipedia.org/wiki/Master_of_Science Master of Science] from [[University of Southern Mississippi]] in 1983 with a thesis on [[Cray Blitz]] <ref>Robert Hyatt ('''1983'''). ''Cray Blitz - A Computer Chess Playing Program''. Master's Thesis, [[University of Southern Mississippi]]</ref> , and a [https://en.wikipedia.org/wiki/Ph.D. Ph.D.] from [[University of Alabama at Birmingham|UAB]] in 1988 on the topic of [[Parallel Search|parallel search]] <ref>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]]</ref>.
His engine [[Crafty]] was the strongest [[:Category:Open Source Engines|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|transposition table]], [[Time Management|time management]] and [[Book Learning|book learning]], Bob is inventor of [[Rotated Bitboards|rotated bitboards]]. He is active poster in [[Computer Chess Forums]], served as moderator of [[CCC]], and as member of the [[Who's Who|Secretariat]] of [[ICGA Investigations]].
=Photos=
==ACM 1982==
[[File:Valvo_Mitman_Newborn_Thompson_Hyatt.Dallas.1982.jpg|none|border|text-bottom|580px|link=http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbdcd092]]
[[Ben Mittman]], [[Monroe Newborn]], [[Ken Thompson]] and Robert Hyatt, [[ACM 1982]] <ref>[http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbdcd092 Photo] from [[The Computer History Museum]]</ref>
==WCCC 1983==
=Selected Publications=
<ref>[http://ilk.uvt.nl/icga/journal/docs/References.pdf [ICGA Journal#RefDB|ICGA Reference Database] (pdf)]</ref> <ref>[http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/h/Hyatt:Robert_M=.html DBLP: Robert M. Hyatt]</ref>
==1980 ...==
* Robert Hyatt ('''1980'''). ''A Southern Blitz''. [[Personal Computing#4_6|Personal Computing, Vol. 4, No. 6]], pp. 93 » [[Blitz]]
* Robert Hyatt, [[Albert Gower]], [[Harry Nelson]] ('''1990'''). ''Cray Blitz''. [[Computers, Chess, and Cognition]]
* Robert Hyatt, [[Harry Nelson]] ('''1990'''). ''[http://ieeexplore.ieee.org/document/130041/ Chess and supercomputers: details about optimizing Cray Blitz]''. [http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=297 Supercomputing '90], [http://archive.computerhistory.org/projects/chess/related_materials/text/3-2.IEEE/chess_and_supercomputers.hyatt_nelson.062303027.pdf pdf]
* [[Albert Gower|Bert Gower]], [[Robert Hyatt|Bob Hyatt]] ('''1993'''). ''Computer Chess: What Remains?'' [[ICGA Journal#16_1|ICCA Journal, Vol. 16, No. 1]] » [[ACM 1993]]
* Robert Hyatt ('''1994'''). ''[http://www.craftychess.com/hyatt/search.html The DTS high-performance parallel tree search algorithm]''.
==1995 ...==
* Robert Hyatt ('''2014'''). ''A Solution to Short PVs Caused by Exact Hash Matches''. [[ICGA Journal#37_3|ICGA Journal, Vol. 37, No. 3]] » [[Transposition Table]], [[Principal Variation#SeparateTT|Separate TT for the PV]]
* [[Monroe Newborn]], Robert Hyatt ('''2014'''). ''Computer Chess Endgame Play with Pawns: Then and Now''. [[ICGA Journal#37_4|ICGA Journal, Vol. 37, No. 4]] » [[Peasant]], [[Crafty]]
==2020 ...==
* [[Robert Hyatt]] ('''2020'''). ''The history of BLITZ/CRAY-BLITZ/CRAFTY''. [[ICGA Journal#42_23|ICGA Journal, Vol. 42, Nos. 2-3]] » [[Blitz]], [[Cray Blitz]], [[Crafty]]
=Forum Posts=
==1993 ...==
* [https://groups.google.com/d/msg/rec.games.chess/J9Pkg9lOpig/tBN5dVRATwsJ Cray Blitz Evaluation] by Robert Hyatt, [[Computer Chess Forums|rgcrec.games.chess]], March 05, 1993 » [[Cray Blitz]], [[Evaluation]]* [https://groups.google.com/d/msg/rec.games.chess/rUVc23O3-Zg/K8P-DjIwKLUJ Re: Parallel Chess Programs?] by [[Robert Hyatt]], [[Computer Chess Forums|rec.games.chess]], January 25, 1993* [https://groups.google.com/d/msg/rec.games.chess/MtVkDmTrYSc/98j7gsMDM4QJ Cray Blitz / ACM '94] by [[Robert Hyatt]], [[Computer Chess Forums|rec.games.chess]], July 07, 1994 » [[Cray Blitz]], [[ACM 1994]]* [https://groups.google.com/d/msg/rec.games.chess/vvl1nLv1MD8/oHVKdLXuiaUJ bitboard move generation] by Robert Hyatt, [[Computer Chess Forums|rgcrec.games.chess]], October 25, 1994 » [[Bitboards]]* [https://groups.google.com/d/msg/rec.games.chess/M4CKCmqDNkI/TjVJEQY0GC0J bitboard position evaluations] by Robert Hyatt, [[Computer Chess Forums|rgcrec.games.chess]], November 17, 1994 » [[Bitboards]], [[Evaluation]]
==1995 ...==
* [http://groups.google.com/group/rec.games.chess.computer/browse_frm/thread/b6d3210fc02baa93 Rotated bitboards - experiment and result] by Robert Hyatt, [[Computer Chess Forums|rgcc]], February 28, 1996 » [[Rotated Bitboards]]
* [http://groups.google.com/group/rec.games.chess.computer/browse_frm/thread/22565bb053a4ddf1 auto232 help needed] by Robert Hyatt, [[Computer Chess Forums|rgcc]], March 3, 1997
* [http://groups.google.com/group/rec.games.chess.computer/browse_frm/thread/99eec6923b0481db computer chess "oracle" ideas...] by Robert Hyatt, [[Computer Chess Forums|rgcc]], April 1, 1997 » [[Oracle]]
* [https://www.stmintz.com/ccc/index.php?id=14009 Re: Square-of-the-pawn] by [[Robert Hyatt]], [[CCC]], January 13, 1998 » [[Blitz]], [[Rule of the Square]]
* [http://www.stmintz.com/ccc/index.php?id=14539 Re: New(?) search idea] by Robert Hyatt, [[CCC]], January 22, 1998 » [[Window#MinimaxWall|Minimax Wall]]
==2000 ...==
* [http://www.stmintz.com/ccc/index.php?id=253688 Re: ICC Connection Closings ???] by Robert Hyatt, [[CCC]], September 23, 2002
* [http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=140141&t=16002 Re: BitBoard Tests Magic v Non-Rotated 32 Bits v 64 Bits] by Robert Hyatt, [[CCC]], August 25, 2007 » [[Magic Bitboards]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=19837 compact bitboard move generator] by [[Robert Hyatt]], [[CCC]], February 25, 2008 » [[Bitboard Serialization]], [[Move Generation]]
* [http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=220004&t=23894 Re: Lemming Poll] by Robert Hyatt, [[CCC]], September 22, 2008 » [[Tapered Eval]], [[LearningLemming]]
* [http://www.talkchess.com/forum/viewtopic.php?t=29798 copy/make vs make/unmake test results] by Robert Hyatt, [[CCC]], September 19, 2009 » [[Unmake Move]] vs. [[Copy-Make]]
* [http://www.talkchess.com/forum/viewtopic.php?t=57035 New "smoothing" issue] by Robert Hyatt, [[CCC]], July 20, 2015 » [[Late Move Reductions]]
* [http://www.talkchess.com/forum/viewtopic.php?t=57036 New SMP stuff (particularly Kai)] by Robert Hyatt, [[CCC]], July 20, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=58830 NUMA 101] by Robert Hyatt, [[CCC]], January 07, 2016 » [[NUMA]]
* [http://www.talkchess.com/forum/viewtopic.php?t=59745 Crafty SMP measurement] by Robert Hyatt, [[CCC]], April 04, 2016 » [[Crafty]], [[Parallel Search]]
* [http://www.talkchess.com/forum/viewtopic.php?t=61289&start=2 Re: Around Crafty dev. ...] by Robert Hyatt, [[CCC]], September 01, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=61559 syzygy users (and Ronald)] by Robert Hyatt, [[CCC]], September 29, 2016 » [[BitScan]], [[Population Count]], [[x86-64]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=72255 oldie but goody] by [[Robert Hyatt]], [[CCC]], November 05, 2019 » [[Blitz#Source Code|Blitz 6.9 Source Code]]
=External Links=
* [http://genealogy.math.ndsu.nodak.edu/id.php?id=55168 The Mathematics Genealogy Project - Robert Hyatt]
* [http://www.rebel.nl/authors.htm Meet the Authors] by [[Ed Schroder|Ed Schröder]]
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Researcher|Hyatt]]
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