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Subject: Question to Urban Koistinen

Author: Alvaro Jose Povoa Cardoso

Date: 15:05:14 11/05/01


You posted a comment about an alternative to rotated bitboards in generating
attacks sometime ago.
I've been reading it but I'm having trouble understanding it, in particular the
construction of the 8bit index.
Could you please explain in more detail how do you generate the attack bitboards
(for bishops and rooks) using a lookup table?

Thanks you,
Alvaro Cardoso



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