Author: Cristian Zaslo
Date: 13:25:54 10/06/98
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Hi John and thanks for your reply! Well, I haven’t any source code of ZX Spectrum chess programs, but as you know, pressing SPACE key when ‘Colossus 4.0’ is “thinking” displays a new window containing various searching information like nodes, best line and current line. So, I got a ZX emulator and the TAP file of ‘Colossus 4.0’ from <ftp.nvg.unit.no>. Afterwards, I just generated an emulated code almost 10 times slower than the original one, ran it, looked at the current line in progress and noticed what happened. I also wonder if this kind of ‘PV Search’ gathers in a pretty good PV witch will allow many null-window-alpha-beta cutoffs on next iterations. Thanks again, Cristian
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