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Subject: Early chess computers..

Author: Eelco de Groot

Date: 08:42:32 08/11/05

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 Congratulations Dick!

Dick I think you are right that probably not many of the earliest Chess
Challengers were sold in Europe. The people that collect chess-computers will
know it best but I at least can't find any mention of these very early models in
Computerschaak, the periodical of the Dutch CSVN. First issue is of february
1981 (1e jaargang Nr.1) and in it Jan Louwman reports of a tournament he held
with 9 state of the art chess computers, one of the first chess computer
tournaments ever held in the world I think!

                            games   won  draw  lost  total  min/    Price
                                                            move   (Dutch
                                                                    guilders)
Boris Sargon 2,5              8      6     2     0     7    1,27    F 1485,-
Mephisto (I)                  8      6     2     0     7    2,57    F  698,-
Ch. Challenger 10             8      4     2     2     5    2,55    F  698,-
Super System III              8      3     2     3     4    3,00    F  465,-
Intelligent Chess             8      2     4     2     4    3,00    DM 875,-
Ch. Challenger 7              8      2     2     4     3    2,44    F  365,-
Ch. Challenger 8 Sensory      8      2     1     5     2½   2,37    F  499,-
Ch. Challenger Sens. Voice    8      1     2     5     2    3,17    F  998,-
Ch. Challenger Voice          8      1     1     6     1½   3,01    F  860,-

Louwman writes in this issue that he is already testing chess computers for 2½
years and has already played 3000 games with them playing against each other,
500 more against human opponents including a grandmaster.

Chess Challenger 10, Jan Louwman writes was the oldest and only "veteran" of the
bunch participating and on the market then for 2½ years. It seems to have been
stronger than some of the later "Sensory" models. There is no mention I can find
of the Chess Challenger 1 in any of these early issues.

Sadly we can't ask Jan Louwman if he knew more about the early CC1..




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