Author: Ernst A. Heinz
Date: 12:09:25 10/10/00
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>Hi Mike, > >>Hi pulsar currently uses R2 (depth-3) nullmove untill maxdepth 7 search then it >>kicks in at R3. I noticed that R3 seems to give more depth. Pulsar also uses >>futility pruning in search. if material value plus possible capture plus >>futility value for that depth <alpha move is not searched. I'm not sure this >>futility pruning is so sound so what i was thinking was get rid of pruning in >>search and be more aggressive with null move. What are peoples opinions >>particularly programmers? I'll probably test this somewhat but its hard to get >>games against high rated opponents for pulsar so i'm hoping for some direction >>before the testing. > >You might consider taking a look at my book "Scalable Search in >Computer Chess" (http://supertech.lcs.mit.edu~heinz/node1.html). Sorry for the typo, the correct link to the info page of the book reads http://supertech.lcs.mit.edu/~heinz/node1.html. =Ernst=
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