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The book describes a VLSI implementation for both move generation and position evaluation. The VLSI move generator searches about 200,000 moves per second and includes all the ancillary circuitry required for it to interface cleanly with the rest of the system. The speed of the move generator is independent of the number of legal moves in a position, and the speed of the evaluation depends only logarithmically on the amount of knowledge encoded in the evaluation. In practice, this means that the amount of analysis performed by the evaluation does not slow the speed of the search.
Beyond the VLSI architecture, Ebeling also describes the other Hitech hardware and software, and presents a performance analysis of Hitech as a whole.
Hitech already has had a revolutionary effect on computer chess, the impact of which is discussed in the book's final chapter.
Contents: Introduction. Background and Related Work. The Move Generator Architecture. Position Evaluation. The Hitech System. Performance Results. Conclusion.
Carl Ebeling is an Assistant Professor in the Department of Computer Science at the University of Washington, Seattle. All the Right Moves is a 1986 ACM Distinguished Dissertation.