Search found 56 matches

by Thomas Zipproth
Mon Jul 25, 2016 1:16 am
Forum: Computer Chess Club: General Topics
Topic: Brainfish, a new concept of a chess engine
Replies: 166
Views: 40707

Brainfish, a new concept of a chess engine

Hello together, today I released Brainfish, which realizes a new concept of a chess engine, the unification of an opening book and the engine. Brainfish ist build upon Stockfish, therefore it is of course under the GPL license and the source code is available. The additional parts are not StockFish ...
by Thomas Zipproth
Mon Jul 25, 2016 12:03 am
Forum: Computer Chess Club: Tournaments and Matches
Topic: SPCC: Testruns of BrainFish 160610 and 160712 finished
Replies: 14
Views: 3803

Re: SPCC: Testruns of BrainFish 160610 and 160712 finished

The internal book is more like an iDea tree, than an opening book, then? Yes, that's true. It has some improvements in calculating the single positions and in transposition handling, but I don't know iDea in full detail, so I can't really compare then. But the basic Idea is a an opening book create...
by Thomas Zipproth
Tue Jul 30, 2013 4:14 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: Test of the current Stockfish version from 29.07, 2000 games
Replies: 2
Views: 570

Re: Test of the current Stockfish version from 29.07, 2000 g

Hi Jesús,

thanks for correcting the error.
As it is only a half point, I'm lucky and the principal message keeps the same :)

The book I mentioned is for the selection of the different starting positions.
"no books" means that the engines are not using any opening books like book.bin.

Thomas
by Thomas Zipproth
Tue Jul 30, 2013 3:21 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: Test of the current Stockfish version from 29.07, 2000 games
Replies: 2
Views: 570

Test of the current Stockfish version from 29.07, 2000 games

Because of the rapid progress of Stockfish in the last weeks I made a little tournament, here are the results :) Stockfish: stockfish_13072901_x64_modern_sse42.exe Elostat, start value = 3100: program ELO games 1 Houdini 3 : 3133 2000 (+712, =856, -432), 57.0 % 2 Komodo cct : 3085 2000 (+461, =9...
by Thomas Zipproth
Sun Nov 11, 2012 7:23 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Variations of Houdini evaluations with identical depth
Replies: 1
Views: 1052

Variations of Houdini evaluations with identical depth

Hi everyone, while analyzing some positions with Houdini 3.0 multiple times, I realized that the variation of the evaluation was sometimes bigger or even much bigger than expected. Of course, when analyzing a position with multiple Threads, the calculation is not deterministic because of the timing ...
by Thomas Zipproth
Sun Oct 28, 2012 7:12 pm
Forum: Computer Chess Club: General Topics
Topic: Houdini 3 evaluation score +62
Replies: 3
Views: 1106

Houdini 3 evaluation score +62

The worst position ever? [d]2rrb3/q5b1/p2pk1p1/2pNpnBp/2P1P2P/1P1R2PB/P4Q2/3R2K1 w - - A variation from a game Nakamura - Tiviakov, I never saw such a high score :o Houdinin 3 Pro, 1 Thread, 1GB Hash, POPCNT Score: +20.96 Time: 0.0 Depth: 10 h3f5 e6f7 f5c8 f7g8 g5d8 g8h8 d5f6 e8f7 d3d6 a7b8 f2c5 g7f...