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Bionic Impakt,
a chess program based on Crafty by Hans Secelle and Albrecht Heeffer. As a strong chess player, Hans added a lot of knowledge incorporated from his former program Bionic in the prescan routines and evaluation as well as the opening book and time controls [1]. There were no attempts to "hide" anything from Hans' and Albrecht's side [2], and despite violating the Crafty license, since program changes were never published [3], and lack of explicit permission by Robert Hyatt [4], Bionic Impakt was allowed by the CSVN to participate the DOCCC 1998.

DOCCC 1998

While Bionic Impakt did quite well at the DOCCC 1998 and caused an éclat after winning from The King, Diep and Kallisto and finally becoming tied third, other participants complained [5] and raised forum discussions about using open source programs [6] and cloning [7], also because during the two weekends of the tournament, the playing version appeared to have changed [8], claiming some the program played the first weekend was more Crafty like [9], but explicitly later denied by Heeffer [10]. However, as a consequence Hans and Albrecht retired on Bionic Impakt and joined forces with Tom Vijlbrief on his program Ant [11] [12].

Forum Posts


External Links


References

  1. ^ Bionic vs Crafty, once again by Đorđe Vidanović, CCC, January 23, 1999
  2. ^ Re: Bionic Vs Crafty Debate: some data required by Albrecht Heeffer, CCC, January 25, 1999
  3. ^ Re: Chess programming by Gian-Carlo Pascutto, rgcc, June 18, 2002
  4. ^ Re: POOR BOB HYATT by Robert Hyatt, rgcc, February 21, 1999
  5. ^ Crafty vs Bionic Impakt, What's the difference Bob ? by Johan Havegheer, CCC, November, 24, 1998
  6. ^ Crafty implications ... by Chris Whittington, rgcc, March 4, 1999
  7. ^ Bionic vs Crafty, once again by Đorđe Vidanović, CCC, January 23, 1999
  8. ^ Re: Dutch CCC - Arthur on 300MHz G3 2nd weekend by Robert Hyatt, CCC, November 29, 1998
  9. ^ Chess program similarity experiment by Bruce Moreland, CCC, January 24, 1999
  10. ^ Re: Bionic Vs Crafty Debate: some data required by Albrecht Heeffer, CCC, January 25, 1999
  11. ^ Some news about H. Secelle (author of Bionic) by Johan Havegheer, Winboard Forum, September 08, 1999
  12. ^ Re: Whatever happened to crafty clone Bionic by Hans van der Zijden, CCC, February 05, 2003

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