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Software of the Month Club 1996 November
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History of MacChess - Wim van Beusekom
======================================================================
TOBBER Atari Rotterdam 1989
I entered my TOBBER (Atari) chess program in the Dutch Computer Chess
Championships in 1989 and 1990. These were organized by the CSVN
(Computer Chess Association Netherlands).
In 1989 there were 14 programs and I was 11th with 2.5 points out of 7.
in 1990 there were 16 programs and I was 10th with 3 points out of 7.
After this I stopped programming for a while.
======================================================================
MacChess 1.0 Rotterdam December 1994
In April 1993 I began converting TOBBER to an Apple Macintosh.
MacChess 1.0 is nearly identical to TOBBER (Atari). On a Classic II
MacChess 1.0 is comparable to the Kasparov TEAM-MATE chess computer
and on a Centris 610 to the Mephisto MMII.
MacChess 1.0 was developed in THINK C,
the interface has been written in C and
its search routines were written in assembler.
In October 1994 I visited the 14th Dutch Computer Chess Championship
and was inspired to play again at the 15th Championship in 1995.
======================================================================
MacChess 2.0 Rotterdam December 1995
On November 1995 I entered the 15th Open Dutch Computer Chess Championship.
There were 20 programs and I was 12th with 5.5 points out of 11 games.
MacChess ran on a Macintosh Centris 610 (20 Mhz).
This was the best result to date. See the results in the folder NK 1995.
MacChess 2.0 was tactically improved by using null-moves and better
move ordering techniques.
Positional play and end games are still weak.
======================================================================
MacChess 2.5 Rotterdam June 1996
The chess engine was slightly improved, and many enhancements were made
in the user interface and import/export facilities.
Major New features:
- Sliding pieces
- selectable board patterns & a new piece set
- PGN/EPD import/export
- separate mating module
- batch position analysis.
- greatly enhanced game review capabilities
====================================================================
postal address:
Wim van Beusekom
Hogenbanweg 72d
3028 GP Rotterdam.
The Netherlands
email address: beusekom@knoware.nl