Search found 3859 matches

by Ferdy
Sat Jul 17, 2010 2:18 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: WCRCC 2010 - Deuterium Games
Replies: 9
Views: 662

WCRCC 2010 - Deuterium Games

[Event "ICS unrated standard match"] [Site "chessclub.com"] [Date "2010.07.17"] [Round "1"] [White "Deuterium2009"] [Black "Sjeng"] [Result "0-1"] [WhiteElo "2023"] [BlackElo "2908"] [TimeControl "1500+4"] [Annotator "2. +0.00"] 1. e4 e5 2. Nf3 {+0.00/11 1.0} Nc6 3. Bb5 {-0.35/11 1.2} a6 4. Ba4 {-0....
by Ferdy
Thu Jul 15, 2010 4:13 pm
Forum: Computer Chess Club: General Topics
Topic: 2010 World Computer Rapid Chess Championships
Replies: 101
Views: 16964

Re: 2010 World Computer Rapid Chess Championships

New entrant: Deuterium by Ferdinand Mosca http://compchess.org/ACCAWCRCC/2010ACCAWCRCC/WCRCC.html Under Region/Nation you may change it to Philippines for Deuterium. I am in Philippines on vacation at present. Nice to see on hardware, only few TBD's :) Any idea how many rounds would this be? Good l...
by Ferdy
Fri Jun 18, 2010 5:53 pm
Forum: Computer Chess Club: General Topics
Topic: CCT: Update to rules for future events
Replies: 69
Views: 2817

Re: CCT: Update to rules for future events

Hello everyone, I have tweaked the rules for future CCT events: ----------------------------------------------------------------------------------- Registration: 1. FICS has agreed to facilitate computer accounts for the CCT tournament. Authors should sign up a human account first, then contact the...
by Ferdy
Fri May 14, 2010 4:07 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Qsearch of Stockfish 1.7.1
Replies: 9
Views: 2274

Re: Qsearch of Stockfish 1.7.1

There is no bug. oldAlpha as the name puts it is "original alpha", this is initialized in the beginning of the qsearch and must not be changed at any point :) The thing I see under current scheme is that, ss[ply].pv[ply] can not guarantee to contain a move :o TT.store(pos.get_key(), value_t...
by Ferdy
Thu May 13, 2010 6:33 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Qsearch of Stockfish 1.7.1
Replies: 9
Views: 2274

Qsearch of Stockfish 1.7.1

There could be a bug in updating oldAlpha.
At the top of it there is oldAlpha = alpha, at the middle there is a possibility that alpha will be updated with staticValue or bestValue, if it happens then oldAlpha will now be wrong.
At the end saving of tt info. will be affected.
by Ferdy
Sun May 09, 2010 2:26 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Considering Moves Or Just Positions
Replies: 1
Views: 537

Re: Considering Moves Or Just Positions

Several places in Tinker look at specific characteristics of the most recent move. This is typically part of search extension/pruning, but could also apply in evaluation. I am now thinking that this is perhaps not quite right. Instead of looking at any particular move, why not _only_ consider the c...
by Ferdy
Wed Mar 10, 2010 5:38 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: ChessWar XV D : final standings
Replies: 4
Views: 446

Re: ChessWar XV D : final standings

ChessWar XV D 40m/20' Final standings after round 11 Engines ranked 1 to 24 promote to ChessWar XV C Engines ranked 51 to 74 demote to ChessWar XVI E Thanks for following the event ! Group C will start shortly. Olivier Pl. Name Elo Fed Pts 1 KOMODO 1.0_x64_ja 2389 USA 9.5 2 BISON 9.11 2222 RUS 9 3 ...
by Ferdy
Wed Feb 24, 2010 8:37 pm
Forum: Computer Chess Club: General Topics
Topic: CCT: New rules for CCT Events #2
Replies: 74
Views: 6869

Re: CCT: New rules for CCT Events #2

Revision: 2. Only the original author, Operator or a team member of the original program may enter and operate. The definition of a team member is as follows: An individual who is recognized by the author as a member of the development team.. i.e. Developer, book maker. The operator of the team mus...
by Ferdy
Tue Feb 23, 2010 7:13 pm
Forum: Computer Chess Club: General Topics
Topic: CCT: New rules for CCT Events #2
Replies: 74
Views: 6869

Re: CCT: New rules for CCT Events #2

Hello everyone, I have looked over the rules, and have tweaked a few for future events. -------------------------------------------------------------------------------------- Registration: 1. FICS has agreed to facilitate computer accounts for the CCT tournament. Authors should sign up a human acco...
by Ferdy
Tue Feb 23, 2010 7:00 pm
Forum: Computer Chess Club: General Topics
Topic: CCT: New rules for CCT Events #2
Replies: 74
Views: 6869

Re: CCT: New rules for CCT Events #2

Hello everyone, I have looked over the rules, and have tweaked a few for future events. -------------------------------------------------------------------------------------- Registration: 1. FICS has agreed to facilitate computer accounts for the CCT tournament. Authors should sign up a human acco...