The 2 versions of the Virtuoso

Information about particular/rare/specific chess computers

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CHVL
Posts: 111
Joined: Tue Jun 13, 2017 9:02 pm

The 2 versions of the Virtuoso

Post by CHVL » Tue Oct 24, 2017 6:25 am

Following Veldhuis, I am asking if somebody knows the reason for which it exists 2 versions of the Virtuoso corresponding to 2 different model numbers?
http://www.schaakcomputers.nl/hein_veld ... rtuoso.pdf

I have the the 411 and the 412 models.
I believe that the 412 is rare.
Externally, they are different by the color of the board and by the lettering. However, these external differences are probably not enough to justify the change of model number.
I am intrigued...

Maurice

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