Search found 201 matches

by Tony P.
Wed Sep 16, 2020 10:28 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Is cloning a hobby?
Replies: 79
Views: 10093

Re: Is cloning a hobby?

Now that so many engines are open source, everybody knows everything, everywhere. Look at how fast the NNUE-networks are spreading to other engines. In the end, there is no point NOT having such a network, because if you don't, you'll be 80-100 ELO behind an engine that does, all things being equal...
by Tony P.
Wed Sep 16, 2020 10:23 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Is cloning a hobby?
Replies: 79
Views: 10093

Re: Is cloning a hobby?

(I'm just thinking out loud.) Would it be optimal to combine engines 'the Beef way' even if they were permissively licensed? I've started thinking that writing from scratch is easier as long as one wants to make any significant tweaks of their own. CPW and tutorials like maksimKorzh's already provid...
by Tony P.
Fri Jul 17, 2020 3:31 pm
Forum: Computer Chess Club: General Topics
Topic: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........
Replies: 53
Views: 6146

Re: Lizard-NNUE Experiment NOT bad with NNUE Evaluation.........

Considering that all NNUE code is open source, how are you planning integrating open source code into commercial product? Will you make Komodo search code also available as requested per GPL license? There are ways to avoid the infection by GPL: 1. base the proprietary code on the PDF paper only, n...
by Tony P.
Thu Jul 16, 2020 6:47 pm
Forum: Computer Chess Club: General Topics
Topic: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........
Replies: 53
Views: 6146

Re: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........

I don't find Komodo an indispensable source of positional knowledge. Its big disadvantage is that it's a black box, as reverse engineering would be clearly illegal. My intuition says that an ensemble of white box engines, weaker but giving access to entire hashtables, e.g. of Arasan and Cheng, would...
by Tony P.
Thu Jul 16, 2020 5:08 pm
Forum: Computer Chess Club: General Topics
Topic: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........
Replies: 53
Views: 6146

Re: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........

Oops, I meant chess.com's Computer Chess Championship (C3 is a better abbreviation for it, right?). There are no grounds for a ban from Computer Chess Club, of course.
by Tony P.
Thu Jul 16, 2020 4:50 pm
Forum: Computer Chess Club: General Topics
Topic: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........
Replies: 53
Views: 6146

Re: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........

No matter the legal status of a net distilled from Komodo's output without Mark's permission, what he can do is have it banned from C3. If the trainers are fine with the loss of this avenue for promotion, they can go ahead with the distillation :P
by Tony P.
Thu Jul 16, 2020 4:16 pm
Forum: Computer Chess Club: General Topics
Topic: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........
Replies: 53
Views: 6146

Re: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........

Well, maybe it's a good idea to investigate what we are talking about, without the punitive, as Mark said NN's are a whole different world. A quick test with some adviced nets. Using a random epd of 10,000 positions at depth=1. Thanks for the revealing analysis :D What's the correlation between All...
by Tony P.
Thu Jul 16, 2020 8:20 am
Forum: Computer Chess Club: General Topics
Topic: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........
Replies: 53
Views: 6146

Re: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........

^^ Generally, one can ask the author(s) of a program if they mind its cloning. There are strong indications that Jon wouldn't mind (though you'd still better ask): 1. His very choice of the MIT license. 2. The post where he explained his attitude to the reuse of his software. 3. The existence of Ara...
by Tony P.
Thu Jul 16, 2020 6:09 am
Forum: Computer Chess Club: General Topics
Topic: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........
Replies: 53
Views: 6146

Re: Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation.........

dkappe wrote:
Thu Jul 16, 2020 12:10 am
It seems almost like a theft of Komodo’s intellectual property.
Fwiw, behavioral cloning (that's a scientific term!), as well as any other kind of knowledge distillation, from Arasan would be perfectly legal :wink: And ironically, it might still yield a stronger engine than SF.