Search found 157 matches

by Fabio Gobbato
Thu Aug 20, 2020 6:34 pm
Forum: Computer Chess Club: General Topics
Topic: New release Pedone 2.1
Replies: 6
Views: 1917

New release Pedone 2.1

I've just released a new version of my engine. These are the changes: Speed optimizations Tuning Bug fixing Don't try null move at low depths Improved history Prune moves with bad history Default DrawScore set to 0 Improved time management Improved imbalances evaluation it's 30 elo stronger than 2.0...
by Fabio Gobbato
Thu Aug 13, 2020 5:45 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Neural Networks weights type
Replies: 2
Views: 1276

Neural Networks weights type

I have seen in Stockfish NNUE that the network uses integer types for the weights instead of floating point types. One advantage is surely the speed but there could also be some drawbacks. What are the differences between integer and floating point networks? Is it possible to build a good net that r...
by Fabio Gobbato
Wed Jun 17, 2020 7:25 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Profile with gprof and code::blocks
Replies: 5
Views: 1491

Re: Profile with gprof and code::blocks

You have to first build the executable with the flags "Produce debugging symbols", "Profile code when executed" and optimizations disabled.
Then you have to run the executable and at the end you can go to Plugins->Code Profiler.
This steps should work.
by Fabio Gobbato
Sat May 30, 2020 11:52 am
Forum: Computer Chess Club: General Topics
Topic: Forbidden
Replies: 55
Views: 9897

Re: Forbidden

In Italy it doesn't work.
by Fabio Gobbato
Thu May 14, 2020 8:51 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: SAN encoding test
Replies: 4
Views: 887

Re: SAN encoding test

You can use python-chess to generate all legal moves in san format for a lot of fen hoping they coverage the most of cases.
by Fabio Gobbato
Thu Apr 30, 2020 11:32 am
Forum: Computer Chess Club: General Topics
Topic: linux GUI
Replies: 4
Views: 875

Re: linux GUI

xboard could be an option, I know there is a version for linux of arena but I haven't tried it
by Fabio Gobbato
Sun Apr 19, 2020 9:44 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Pawn structure tuning
Replies: 3
Views: 920

Re: Pawn structure tuning

If I can ask, how do you compare the 10 depth search eval from Ethereal with its static evaluation? The two evals can differ a lot.
by Fabio Gobbato
Wed Mar 04, 2020 7:14 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Pedone memory consumption
Replies: 10
Views: 1921

Re: Pedone memory consumption

I have solved the allocation problem and now it works also with concurrency. I have changed the development version so the fix will be available with the next release. Thank you for reporting me the problems.
by Fabio Gobbato
Mon Mar 02, 2020 7:08 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Pedone memory consumption
Replies: 10
Views: 1921

Re: Pedone memory consumption

Cutechess cli or the gui? What OS are you using? Linux or Windows? I will have a look
by Fabio Gobbato
Mon Mar 02, 2020 12:53 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Pedone memory consumption
Replies: 10
Views: 1921

Re: Pedone memory consumption

Maybe you have used a lot of threads or maybe you have used a larger trasnposition table and you have changed it without sending and ucinewgame. The transposition table is allocated once the engine receive an ucinewgame. Are you using the tablebase or not? What are the commands that the gui sends to...