Search found 222 matches

by Sergei S. Markoff
Tue Sep 13, 2011 5:05 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: c# for chess engine
Replies: 15
Views: 4193

c# for chess engine

I've just spent a few days to write a simple engine on C#. I was surprised that it's not so slow as I presumed. Bitboard engine (base on de Bruijn numbers) with alpha/beta, w/o move ordering and with eval based on psq/material does 1 200 000 pos/sec. at my notebook (while SmarThink does about 450 kn...
by Sergei S. Markoff
Tue Sep 13, 2011 5:01 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Breadth-first search: revisiting
Replies: 6
Views: 1858

Breadth-first search: revisiting

Couple decades ago there was some papers about best-first-like alternatives to PVS/negascout (SSS*, A*, Dual*, conspiracy numbers, MT-class searches and so on). Inspite of great hopes all of them was finally declined, mostly because of bad null-move behavior in such trees and also because of (probab...