Search found 66 matches

by Ratosh
Sun Jul 14, 2019 12:43 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: CEGT - rating lists July 14th 2019
Replies: 4
Views: 608

Re: CEGT - rating lists July 14th 2019

Thanks for testing Pirarucu! I was expecting +25 elo, +30 is really nice.
by Ratosh
Thu Jun 27, 2019 5:29 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: tuning for the uninformed
Replies: 64
Views: 15908

Re: tuning for the uninformed

I saw 2 issues in Micah.cpp: double K = calculate_error(&work, &results, positions, 1.0); double min_err = 1000.0; Juse use a constant K for now, i'm using 1.4 on Pirarucu. Set your min_err to the error from your current used variables. Should be something like this: double K = 1.4; double min_err =...
by Ratosh
Wed Jun 26, 2019 5:47 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: tuning for the uninformed
Replies: 64
Views: 15908

Re: tuning for the uninformed

Eval value is always as white POV.
by Ratosh
Sun Mar 10, 2019 7:29 pm
Forum: Computer Chess Club: General Topics
Topic: Will TCEC need to rewrite their rules?
Replies: 11
Views: 1830

Re: Will TCEC need to rewrite their rules?

TB support is a feature, all those engines work without this feature. I think TCEC is right demanding uniqueness but needs to be clear about uniqueness and fair use.
by Ratosh
Thu Feb 21, 2019 12:01 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Top Engines without Piece-Square Tables?
Replies: 6
Views: 1571

Re: Top Engines without Piece-Square Tables?

Hi Erin! I made an experiment on my engine, removing the PSQT for each piece on 5k games (This is the strength of my engine psqt): https://github.com/ratosh/pirarucu/projects/14 What i noticed from my experiment: - Knight psqt seems weak, i need to improve it; - Pawn psqt seems too strong, i need to...