Ivan The Terrible

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Ivan The Terrible Box [1] Ivan The Terrible, (Excalibur 701E Ivan The Terrible)

a talking dedicated chess computer by Excalibur Electronics, released in 1996 [2]. The computer has a Hitachi H8/3216 controller running at 12 MHz with 48 KiB ROM and 2 KiB RAM, and features a press sensory board along with LCD, button panel and speaker. The program was Ron Nelson’s further development of his H8 program of the Excalibur Mirage applying a tactical quiescence search due to attack maps, adding sound effects and speech synthesis with his own compression algorithm [3]. Evaluation tuning was supported by chess consultant Larry Kaufman, who was also responsible for the opening book [4] [5].

Manual

Forum Posts

Chess Products Ron Nelson designed/programmed by ChessChallenger, Hiarcs Forum, January 11, 2016

Chess Computer

Misc

References

  1. 10.Exotic | Page 2 | Flickr by Chewbanta
  2. Chess Products Ron Nelson designed/programmed by ChessChallenger, Hiarcs Forum, January 11, 2016
  3. Ron Nelson & Talking Chess Computers by ChessChallenger, Hiarcs Forum, January 02, 2016
  4. Excalibur Electronics by ChessChallenger, Hiarcs Forum, December 22, 2015
  5. Re: Ron Nelson by ChessChallenger, Hiarcs Forum, December 23, 2015

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