Author: Steven Edwards
Date: 03:52:22 02/18/04
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On February 17, 2004 at 06:41:11, Tord Romstad wrote:
>Yes, Steven started on a project called CIL ("Chess In Lisp"). It is not
>a complete program. The code which is there is entirely unoptimized and
>looks like a complete joke, probably because the project was abandoned
>early.
I wrote CIL to show how a chess bitboard engine and database could be
implemented entirely in Common Lisp. The subgoals were:
1. To determine the performance differences between interpreted and compiled
code in the bitboard domain.
2. To show how to build a move notation system (SAN) in Lisp.
3. To demonstrate overall validity and power of exression by including a general
mate finder in Lisp.
4. To provide a publicly available framework for future exploration of
programming chess in Lisp.
An unplanned use of CIL was to debug a number of Common Lisp implementations as
CIL did a good job exercising a lot of bit level intrinsics.
CIL is a framework, and was never intended to be a competitive chess program.
It was never labeled as such, either. It was not abandoned; it was completed.
Please read more carefully.
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