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by hgm
Fri Feb 22, 2019 7:16 pm
Forum: Computer Chess Club: General Topics
Topic: Knight equals 48 pawns?
Replies: 36
Views: 2077

Re: Knight equals 48 pawns?

This blundering away of pieces is a consequence of the winning probability saturating; by the time it is >99% it just drawns in the noise. It was not trained to recognize that two Knights up is better than 1 Knight up, won is won. This makes it extremely sluggish in converting won positions. Better ...
by hgm
Fri Feb 22, 2019 4:25 pm
Forum: Computer Chess Club: General Topics
Topic: Knight equals 48 pawns?
Replies: 36
Views: 2077

Re: Knight equals 48 pawns?

Most of that seems plain wrong. LC0 does evaluate heuristically; the only way it differs in this from other programs is that it warps the scale to expected score rather than an additive (and thus linear) advantage. Although this is partly necessary, because the output of NN cells only has a finite r...
by hgm
Fri Feb 22, 2019 2:14 pm
Forum: Computer Chess Club: General Topics
Topic: WCCC / Computer Olympiad 2019 in Macao?!
Replies: 2
Views: 214

Re: WCCC / Computer Olympiad 2019 in Macao?!

Well, write a Chess program with 2500+ Elo, and your travel will be subsidized too!

Personally I am not so happy with locations in the far east: travel is exhaustive.
by hgm
Fri Feb 22, 2019 10:20 am
Forum: Computer Chess Club: Tournaments and Matches
Topic: CCRL 40/40, 40/4 and FRC lists updated (16th February 2019)
Replies: 47
Views: 1028

Re: CCRL 40/40, 40/4 and FRC lists updated (16th February 2019)

No! No to what??? Our discussion rapidly went down because I am making a case to allow learning now that LZ has entered the Arena and as shown by your answers the only thing you are interested in is to turn each point down by saying - not allowed under the CCRL rules. What a waste of time. What cau...
by hgm
Fri Feb 22, 2019 10:03 am
Forum: Computer Chess Club: Tournaments and Matches
Topic: CCRL 40/40, 40/4 and FRC lists updated (16th February 2019)
Replies: 47
Views: 1028

Re: CCRL 40/40, 40/4 and FRC lists updated (16th February 2019)

As was pointed out to us, we say we are a standard hardware list but we are not. We have 1CPU and 4CPU engines on there and they play each other to some extent so that the list is joined up. So a "GPU" could be just another variation of that. So the list would be "1CPU", "4CPU" and "GPU". I think C...
by hgm
Fri Feb 22, 2019 9:10 am
Forum: Computer Chess Club: General Topics
Topic: WCCC / Computer Olympiad 2019 in Macao?!
Replies: 2
Views: 214

WCCC / Computer Olympiad 2019 in Macao?!

Has this been announced here? I only noticed it because someone pointed it out to me yesterday, but the ICGA website seems to mention already since Dec. 10 that the WCCC and Computer Olympiad 2019 will be helt August 10-16 in Macao. And I didn't get any hits with the forum search function on 'WCCC 2...
by hgm
Fri Feb 22, 2019 8:54 am
Forum: Computer Chess Club: General Topics
Topic: Knight equals 48 pawns?
Replies: 36
Views: 2077

Re: Knight equals 48 pawns?

Be that as it may, it doesn't seem to apply here. There is nothing special about Knight odds that would justify special treatment; it is just an advantage of a Knight, similar in winning prospects to the advantage of 3 or 4 extra Pawns, or an extra Rook versus 2 or 3 Pawns in an opening-type positio...
by hgm
Fri Feb 22, 2019 7:53 am
Forum: Computer Chess Club: Tournaments and Matches
Topic: CCRL 40/40, 40/4 and FRC lists updated (16th February 2019)
Replies: 47
Views: 1028

Re: CCRL 40/40, 40/4 and FRC lists updated (16th February 2019)

For MIT (Material Imbalance Table) check: - http://rebel13.nl/rebel13/ideas.html Ah, that. This is just tuning of material values beyond the simple model of additive piece values. No individual positions are stored, so CCRL rules allow it, and rightly so. anyone ?? You seem to underestimate the fol...
by hgm
Thu Feb 21, 2019 10:22 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: CCRL 40/40, 40/4 and FRC lists updated (16th February 2019)
Replies: 47
Views: 1028

Re: CCRL 40/40, 40/4 and FRC lists updated (16th February 2019)

So you say, but so far you have not offered a single valid argument why that would be. The argument that its evaluation resides in a different file doesn't impress anyone.

In fact the current CCRL rules give LC0 a tremendously unfair disadvantage, because the standard hardware does not include a GPU.
by hgm
Thu Feb 21, 2019 9:57 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: CCRL 40/40, 40/4 and FRC lists updated (16th February 2019)
Replies: 47
Views: 1028

Re: CCRL 40/40, 40/4 and FRC lists updated (16th February 2019)

Just ask what's not clear. What is 'valuation of move sequences'? What does MIT stand for, and what does it do? Tell me what's so wrong on the following example: ... Why should this be forbidden, it's blocking progress. How do you expect anyone to see that from the output? It is what goes on inside...