Search found 481 matches

by jhellis3
Wed Jan 20, 2021 5:33 am
Forum: Computer Chess Club: General Topics
Topic: Crystal 3.1
Replies: 28
Views: 7263

Re: Crystal 3.1

IpMan was also very kind to provide some compiles.

They can be found at: http://ipmanchess.yolasite.com/compiles.php
by jhellis3
Thu Jan 14, 2021 5:19 pm
Forum: Computer Chess Club: General Topics
Topic: Crystal 3.1
Replies: 28
Views: 7263

Crystal 3.1

Release highlights: Not too long after 3.0 was released there was an important false mate fix upstream, which has now been merged. Small performance improvement. Slightly better tactical awareness. Small progress scoring improvement. Numerous upstream patches to Stockfish. Release Page: https://gith...
by jhellis3
Tue Dec 22, 2020 5:09 pm
Forum: Computer Chess Club: General Topics
Topic: Stockfish classical going downhill now
Replies: 9
Views: 1810

Re: Stockfish classical going downhill now

What is happening is the superior NNUE eval allows for more aggressive search optimizations (narrower search) than what was/is optimal with only hand-coded eval.

Using classical eval still has the more aggressive pruning, which is not optimal for it.
by jhellis3
Sun Sep 20, 2020 5:38 pm
Forum: Computer Chess Club: General Topics
Topic: Crystal 3.0
Replies: 34
Views: 10869

Re: Crystal 3.0

Fwiw, I strongly recommend using a power of 2 for hash size. Others may or may not "work."
by jhellis3
Tue Sep 15, 2020 5:18 pm
Forum: Computer Chess Club: General Topics
Topic: Asking to people who believe Leela NN is a book, what they think about SF NN now?
Replies: 86
Views: 16151

Re: Asking to people who believe Leela NN is a book, what they think about SF NN now?

What was your test? Nothing like that. But those ideas bring up a good point which may or may not be clear to others... While I can only speak for myself, I do not personally have any issue whatsoever with the idea of biases in weights or internal structures of the NN provided the information avail...
by jhellis3
Mon Sep 14, 2020 11:44 pm
Forum: Computer Chess Club: General Topics
Topic: Asking to people who believe Leela NN is a book, what they think about SF NN now?
Replies: 86
Views: 16151

Re: Asking to people who believe Leela NN is a book, what they think about SF NN now?

You did not answer the question. And nobody asked what you meant. As has already been explained, search is meaningless to the OP. A static evaluation literally cannot be an opening book without search. Policy recommendations are not static evaluations, either. In fact, they're not even evaluations, ...
by jhellis3
Mon Sep 14, 2020 11:09 pm
Forum: Computer Chess Club: General Topics
Topic: Asking to people who believe Leela NN is a book, what they think about SF NN now?
Replies: 86
Views: 16151

Re: Asking to people who believe Leela NN is a book, what they think about SF NN now?

It's a good thing that we're not comparing the static evaluations, but the engines themselves. Lol, what exactly do you think is meant by the NN? The OP is not referring to the monte carlo tree search. And I hope, for your sake, you are referring to the static eval, because anything else is laughab...
by jhellis3
Mon Sep 14, 2020 10:21 pm
Forum: Computer Chess Club: General Topics
Topic: Asking to people who believe Leela NN is a book, what they think about SF NN now?
Replies: 86
Views: 16151

Re: Asking to people who believe Leela NN is a book, what they think about SF NN now?

In fact, the nice thing about SPSA is that it only learns on match results. And yet, I believe you will find the static eval of SF (especially classic) is hundreds of Elo weaker than Lc0 networks. It is very hard to find a three-move line that SF doesn't have shockingly reasonable PVs for with low ...
by jhellis3
Mon Sep 14, 2020 8:44 pm
Forum: Computer Chess Club: General Topics
Topic: Asking to people who believe Leela NN is a book, what they think about SF NN now?
Replies: 86
Views: 16151

Re: Asking to people who believe Leela NN is a book, what they think about SF NN now?

There's no way around it: SF's search is hilariously well tuned on openings. What? There is no phase information used in or available to search. This statement makes me rather suspicious of your other assertations. Furthermore, a robust (wide) 3-moves book is use for testing, which is rather the op...
by jhellis3
Mon Sep 14, 2020 7:46 pm
Forum: Computer Chess Club: General Topics
Topic: Asking to people who believe Leela NN is a book, what they think about SF NN now?
Replies: 86
Views: 16151

Re: Asking to people who believe Leela NN is a book, what they think about SF NN now?

cucumber wrote:SF12 knows opening theory better than Leela does.
On 1 node (or equal node counts) or via search? Because I have a hard time believing the former....