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Ivan The Terrible

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[[FILE:IvanTheTerribleBox.jpg|border|right|thumb|link=https://www.flickr.com/photos/10261668@N05/24682030273/in/album-72157600922174174/| Ivan The Terrible Box
<ref>[https://www.flickr.com/photos/10261668@N05/albums/72157600922174174/page2/ 10.Exotic | Page 2 | Flickr] by [[Steve Blincoe|Chewbanta]]</ref> ]]

'''Ivan The Terrible''', (Excalibur 701E Ivan The Terrible)<br/>
a talking [[Dedicated Chess Computers|dedicated chess computer]] by [[Excalibur Electronics]], released in 1996 <ref>[http://www.hiarcs.net/forums/viewtopic.php?t=7591&start=8 Chess Products Ron Nelson designed/programmed] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], January 11, 2016</ref>.
The computer has a [https://en.wikipedia.org/wiki/Hitachi Hitachi] [[H8|H8/3216]] controller running at 12 MHz with 48 KiB [[Memory#ROM|ROM]] and 2 KiB [[Memory#RAM|RAM]],
and features a press [[Sensory Board|sensory board]] along with [https://en.wikipedia.org/wiki/Liquid-crystal_display LCD], button panel and [https://en.wikipedia.org/wiki/PC_speaker speaker].
The program was [[Ron Nelson|Ron Nelson's]] further development of his H8 program of the [[Excalibur Mirage]] applying a [[Excalibur Mirage#TacticalQuiescence|tactical quiescence search]] due to [[Excalibur Mirage#AttackMaps|attack maps]],
adding [https://en.wikipedia.org/wiki/Sound_effect sound effects] and [https://en.wikipedia.org/wiki/Speech_synthesis speech synthesis] with his own [https://en.wikipedia.org/wiki/Data_compression compression] algorithm <ref>[http://www.hiarcs.net/forums/viewtopic.php?t=6768&start=191 Ron Nelson & Talking Chess Computers] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], January 02, 2016</ref>.
[[Evaluation]] tuning was supported by chess consultant [[Larry Kaufman]], who was also responsible for the [[Opening Book|opening book]] <ref>[http://www.hiarcs.net/forums/viewtopic.php?t=6768&start=78 Excalibur Electronics] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], December 22, 2015</ref> <ref>[http://www.hiarcs.net/forums/viewtopic.php?t=6768&start=112 Re: Ron Nelson] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], December 23, 2015</ref>.

=See also=
* [[Excalibur Grandmaster]]
* [[Excalibur Igor]]
* [[Excalibur Mirage]]
* [[Ivan II The Conqueror]]

=Manual=
* [http://www.thechesspiece.com/documents/ivan.pdf Ivan The Terrible Users Manual pdf]

=Forum Posts=
* [http://www.hiarcs.net/forums/viewtopic.php?t=6768&start=122 Re: Ron Nelson] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], December 24, 2015
* [http://www.hiarcs.net/forums/viewtopic.php?t=6768&start=191 Ron Nelson & Talking Chess Computers] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], January 02, 2016
* [http://www.hiarcs.net/forums/viewtopic.php?t=7591 Excalibur Chess Products Ron Nelson designed/programmed] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], January 05, 2016
: [http://www.hiarcs.net/forums/viewtopic.php?t=7591&start=8 Chess Products Ron Nelson designed/programmed] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], January 11, 2016
* [http://www.hiarcs.net/forums/viewtopic.php?t=7877 Ivan the terrible versions] by JMark, [[Computer Chess Forums|Hiarcs Forum]], May 17, 2016
* [http://www.hiarcs.net/forums/viewtopic.php?t=7962 Excalibur Ivan the Terrible] by Celadus, [[Computer Chess Forums|Hiarcs Forum]], July 07, 2016
* [http://www.hiarcs.net/forums/viewtopic.php?t=8983 Igor and Ivan the terrible - The same program?] by Celadus, [[Computer Chess Forums|Hiarcs Forum]], June 11, 2018
* [http://www.hiarcs.net/forums/viewtopic.php?t=9153 Display for Excalibur Ivan The Terrible ...] by [[Frank Quisinsky]], [[Computer Chess Forums|Hiarcs Forum]], October 11, 2018
* [http://www.hiarcs.net/forums/viewtopic.php?t=9426 Anyone Know More About Excalibur "Ivan the Terrible"] by Staragox, [[Computer Chess Forums|Hiarcs Forum]], March 13, 2019
* [http://www.hiarcs.net/forums/viewtopic.php?t=9452 Different playing style Excalibur Igor and Excalibur Ivan] by paulwise3, [[Computer Chess Forums|Hiarcs Forum]], March 27, 2019
* [http://www.hiarcs.net/forums/viewtopic.php?t=9455 Ivan the Terrible, Ivan the Conqueror?] by [[Fernando Villegas]], [[Computer Chess Forums|Hiarcs Forum]], March 29, 2019

=External Links=
==Chess Computer==
* [http://www.spacious-mind.com/html/ivan_the_terrible.html Excalibur Model 701E Ivan The Terrible (1996) Electronic Chess Computer], [[The Spacious Mind]]
* [https://www.schach-computer.info/wiki/index.php/Excalibur_Ivan_The_Terrible Excalibur Ivan The Terrible] - [https://www.schach-computer.info/wiki/index.php?title=Hauptseite_En Schachcomputer.info Wiki] (German)
* Excalibur Ivan the Terrible Electronic Talking Chess Game With Coaching and Sound Effects, February 5, 2016, [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=B2tD9G_KRCM|alignment=left|valignment=top}}
==Misc==
* [https://en.wikipedia.org/wiki/Ivan_the_Terrible Ivan the Terrible from Wikipedia]
* [https://en.wikipedia.org/wiki/Illustrated_Chronicle_of_Ivan_the_Terrible Illustrated Chronicle of Ivan the Terrible - Wikipedia]
* [https://en.wikipedia.org/wiki/Ivan_the_Terrible_(disambiguation) Ivan the Terrible (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Ivan_the_Terrible_(1944_film) Ivan the Terrible (1944 film) from Wikipedia]
* [https://en.wikipedia.org/wiki/Ivan_(name) Ivan (name) from Wikipedia]

=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:H8]]
[[Category:Commercial]]
[[Category:Dedicated]]
[[Category:Nobility]]
[[Category:Arthurian Legend]]
[[Category:Given Name]]
[[Category:Videos]]

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