Author: William Bryant
Date: 09:07:01 03/25/01
I'v just released Screamer, build 57.
Screamer is a freeware Macintosh chess engine that is fully compatable with the
Exachess chess database. It has full opening book and EGTB support.
Much of the changes came from improvements as I work on Ad_Hoc (a bitboard
chess engine in development). I suspect the next release to be a MacOX binary
(that can run under OS 8.6 and later using CarbonLib).
This is from the _Read_Me_First_ file.
What's New - build 57
Screamer has a new log option, "Log to PGN File".
This option allows all games played to be send to a file in PGN
format.
The PGN file can be used a a game database and directly inported
into Exachess or any chess database program.
What's Better
Rewrote the evaluation function.
This increases Screamer's score on test suites as follows:
Correct ELO USCF Rating
CCR 19 / 25 2350 2530
LCT II 23 / 35 2415 2595
BT2630 23 / 30 2376 2556
Average: 2380 2560
WAC 292/300 @ 1 minute
Note: This is on my G3 Tower 266mhz (66mhz system bus).
What's Fixed
A number of minor bug fixes were made.
I have sent this to MacGifts so it should appear on the InfoMac archive soon.
William
wbryant@ix.netcom.com
The web page has also been updated:
http://pweb.netcom.com/~wbryant/screamer.html
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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