Search found 313 matches

by marcelk
Wed Mar 24, 2010 10:13 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Pawn Hash
Replies: 48
Views: 7993

Re: Pawn Hash

Nodes per pawnking hash miss. High is better. Low is poor.
by marcelk
Wed Mar 24, 2010 8:17 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Pawn Hash
Replies: 48
Views: 7993

Re: Pawn Hash

Many programs include the king position in the pawn hash. I hope not, it absolutely kills hash hit rate. In Cray Blitz we actually did a king safety hash, which included pawns + K in a separate table. The hit rate was never even 50%, whereas the normal pawn hash hit rate (for me) is always > 99%. m...
by marcelk
Sun Feb 28, 2010 8:50 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Rotor uses Rookie's attack table!
Replies: 7
Views: 1356

Re: Rotor uses Rookie's attack table!

So lately I have been refactoring Rotor So far I have been quite happy with this format. I discovered that Rookie uses exactly this same format for its attack table! Just wanted to let you know :) That is good to hear. I have been working on a new Rookie version 3 as well for a couple of months now...