Innovative opening-book handling

  • Authors:
  • Chrilly Donninger;Ulf Lorenz

  • Affiliations:
  • HydraChess.com;HydraChess.com

  • Venue:
  • ACG'05 Proceedings of the 11th international conference on Advances in Computer Games
  • Year:
  • 2006

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Abstract

The best chess programs have reached the level of top players in the human chess world. The so-called opening books, which are databases containing thousands of Grandmaster games, have been seen as a big advantage of programs over humans, because the computers do never forget a variation. Interestingly, it is this opening phase which causes most problems for the computers. Not because they do not understand openings in general, but because the opening books contain too much rubbish. We introduce a heuristic which explores the database during a game. Without that, the computer repeats failures of weaker players. Our contribution presents best practice.