Scalable Search in Computer Chess

Beschreibung

The book presents new results of computer-chess research in the areas of selective forward pruning, the efficient application of game-theoretical knowledge, and the behaviour of the search at increasing depths. It shows how to make sophisticated game-tree searchers more scalable at ever higher depths. Throughout the whole book, the high-speed and master-strength chess program "DarkThought" serves as a realistic test vehicle to conduct numerous experiments at unprecedented search depths. The extensive experimental evaluations provide convincing empirical evidence for the practical usefulness of the presented techniques.
Advantages: - presentation of advanced and brand-new research results
in computer chess (e.g. selective pruning and other
search enhancements, improved endgame databases, etc.)

- numerous experiments at unprecedented search depths

- extensive experimental evaluation

- practical usefulness of new techniques proven within
strong state-of-the-art chess program "DarkThought"

- includes detailed implementation skeletons in ANSI-C

- contains concise introductions into the game of chess
and the basics of computer chess in general


This book presents the results of our past two-and-a-half years of research aimed at increasing the scalability and performance of game-tree search in computer chess. We elaborate on our respective works in the areas of (I) selective forward pruning, (II) the efficient application of game-theoretical knowledge, and (III) the behaviour of the search at increasing depths. The broad range of topics covered by the three distinct parts of the book seek to provide interesting material for everybody interested in the field of "Compu tational Intelligence", regardless of their individual focus (researcher, student, or other). The text does not require readers to know about chess and computer game-playing beforehand. The initial chapter entitled "Computer-Chess Primer" introduces all the necessary basics and fundamentals thereof. The remaining chapters, however, go far beyond those topics. They show how to make sophisticated game-tree searchers still more scalable at ever higher depths. Throughout the whole book, our high-speed and master-strength chess program DARKTHOUGHT serves as a realistic test vehicle to conduct numerous experiments at unprecedented search depths. The extensive experimental evalu ations provide convincing empirical evidence for the practical usefulness of the techniques presented by us. These results will certainly be of special interest to researchers and programmers of computer strategy-games alike (chess, checkers, Go, and Othello in particular). Last but not least, I like to mention that I am most grateful to the series editors for offering me the opportunity to publish my book under their auspices.
Anspruchsvolle und brandneue Forschungsergebnisse des Computer-Schach.
Das Buch präsentiert neue Ergebnisse der Computerschach-Forschung in den
Bereichen der selektiven Vorwärts-Baumbeschneidung, der effizienten
Anwendung spieltheoretischen Wissens und des Suchverhaltens bei
zunehmender Suchtiefe. Es zeigt, wie man die bereits gut abgestimmte
Spielbaumsuche bei immer höheren Suchtiefen noch besser skalierbar macht.
Das spielstarke Hochgeschwindigkeits-Schachprogramm "DarkThought"
fungiert im Rahmen des ganzen Buchs als realistisches Testvehikel zur
Durchführung zahlreicher Experimente mit einmalig hohen Suchtiefen. Die
umfangreichen experimentellen Bewertungen belegen den praktischen Nutzen
der vorgestellten Techniken in empirisch überzeugender Art und Weise.

Autor*in

Ernst A. Heinz

Themen in »Scalable Search in Computer Chess«

Computational Intelligence Computer Chess DarkThought Pruning Scalability Search Search Behaviour algorithms behavior cognition computational intelligence computer computer chess database intelligence

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