Incremental or non-incremental PST evaluation calcs

Discussion of chess software programming and technical issues.

Moderator: Ras

User avatar
hgm
Posts: 28441
Joined: Fri Mar 10, 2006 10:06 am
Location: Amsterdam
Full name: H G Muller

Re: Incremental or non-incremental PST evaluation calcs

Post by hgm »

Aleks Peshkov wrote:Incremental PST update is more clean and easier solution, because you have to do similar incremental update of Zobrist keys each move anyway. It is even possible to do PST and hash key update together inside the same SSE register (practically for free).
Indeed. But I assume that those advocating from-scratch evaluation of the PST term are also calculating the Zobrist key from scratch. It would be highly illogical if they did not do that. :lol: