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by Dann Corbit
Fri Apr 23, 2021 4:34 am
Forum: Computer Chess Club: General Topics
Topic: Any compositions like this?
Replies: 52
Views: 866

Re: Any compositions like this?

The second link is a song by Helen Reddy called "You and me against the world."
The first link is an EPD file named "youi-and-me-against-the-world.epd"

I guess that two chessmen facing the whole opposing army of 16 is an example of "you and me against the world"

But what do I know.
by Dann Corbit
Fri Apr 23, 2021 3:06 am
Forum: Computer Chess Club: General Topics
Topic: When there is no wood, the fire goes out
Replies: 6
Views: 374

Re: When there is no wood, the fire goes out

towforce wrote:
Thu Apr 22, 2021 8:32 am
More importantly, I now know what the American word "Bozo" means! :)
Don't forget the French version, Beauzeaux

We used to have advertisements for Gai's bakery featuring Professor Beauzeaux.
Tragic that they were discontinued.
by Dann Corbit
Fri Apr 23, 2021 3:04 am
Forum: Computer Chess Club: General Topics
Topic: Cluster engine
Replies: 2
Views: 159

Re: Cluster engine

There was a scorpio engine that worked as a cluster.
Don't remember which version.
Colchess has a cluster version.

You are not going to get double speed with two machines using any of them.
by Dann Corbit
Fri Apr 23, 2021 2:57 am
Forum: Computer Chess Club: General Topics
Topic: A quick LC0 experiment. Which NN from my drawer is best?
Replies: 0
Views: 64

A quick LC0 experiment. Which NN from my drawer is best?

I ran a tournament using various Nets that I was told were good ones at one time or another. Here is the result: # Program Elo + - Games Score Av.Op. Draws - -------------------- ---- -- -- --- ------ ---- ------ 1 Lc0-68002 : 3430 15 15 500 55.2 % 3394 74.8 % 2 Lc0-68501 : 3415 14 14 500 52.6 % 339...
by Dann Corbit
Fri Apr 23, 2021 2:44 am
Forum: Computer Chess Club: General Topics
Topic: Any compositions like this?
Replies: 52
Views: 866

Re: Any compositions like this?

https://drive.google.com/file/d/1cMQ4v4 ... sp=sharing
https://www.youtube.com/watch?v=gJAKmWAIKcY
Two chessmen bravely face 16.
Sorted by lowest score to highest.

Some of the draws are probably wrong.
by Dann Corbit
Fri Apr 23, 2021 12:52 am
Forum: Computer Chess Club: General Topics
Topic: Any compositions like this?
Replies: 52
Views: 866

Re: Any compositions like this?

People here like chess puzzles. I guess the big problem for me was what is a puzzle 'like this'? Same chessmen? King in a corner with one friendly rook on the board? Such constructions with a queen instead of rook are much more common. Given enough information, we can probably find such things with...
by Dann Corbit
Thu Apr 22, 2021 3:39 pm
Forum: Computer Chess Club: General Topics
Topic: Any compositions like this?
Replies: 52
Views: 866

Re: Any compositions like this?

Certainly you are right and the OP deserves better. Other than the original posted here, only the 15 alternatives: 1Kr4k/3R4/1P1Q1P2/1P2BBR1/1P6/1P6/1PP3P1/2NN4 w - - pv Ka7; 2nn4/1pp3p1/1p6/1p6/1p2bbr1/1p1q1p2/1k1r4/2R4K b - - pv Ka2; 2nn4/1pp3p1/1p6/1p6/1p2bbr1/1p1q1p2/3r4/1kR4K b - - pv Ka2; 2nn...
by Dann Corbit
Thu Apr 22, 2021 4:25 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: I did some magic bitboard "science" and mostly learned not to worry about it
Replies: 13
Views: 551

Re: I did some magic bitboard "science" and mostly learned not to worry about it

OK, thanks, that makes perfect sense.
Compilers today can be incredibly efficient.
Long ago, they could eliminate tail recursion.
Now, they even improve algorithms (no, really).
by Dann Corbit
Thu Apr 22, 2021 4:08 am
Forum: Computer Chess Club: General Topics
Topic: Any compositions like this?
Replies: 52
Views: 866

Re: Any compositions like this?

Certainly you are right and the OP deserves better. Other than the original posted here, only the 15 alternatives: 1Kr4k/3R4/1P1Q1P2/1P2BBR1/1P6/1P6/1PP3P1/2NN4 w - - pv Ka7; 2nn4/1pp3p1/1p6/1p6/1p2bbr1/1p1q1p2/1k1r4/2R4K b - - pv Ka2; 2nn4/1pp3p1/1p6/1p6/1p2bbr1/1p1q1p2/3r4/1kR4K b - - pv Ka2; 2nn4...
by Dann Corbit
Thu Apr 22, 2021 4:01 am
Forum: Computer Chess Club: General Topics
Topic: MadChess 3.0 Released
Replies: 15
Views: 972

Re: MadChess 3.0 Released

Typically, Stockfish of old would be about one megabyte. But now that everyone is pulling 20MB of dead weight NN nodes into the binary (we used to read data with I/O, but today people can't be bothered to browse to a file), it has ballooned into a blue whale. Well, I do have a 140 TB disk server, so...