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by jdart
Mon Sep 13, 2021 1:08 am
Forum: Computer Chess Club: General Topics
Topic: Anti-cheating
Replies: 43
Views: 3622

Re: Anti-cheating

Since most online computer players use Stockfish, a correlation between game moves and Stockfish-selected moves would also be interesting. Of course, a lot of opening nowadays follows Stockfish recommendations, but a human player following known theory for a long series of moves is also a tell: most...
by jdart
Sat Sep 11, 2021 5:27 pm
Forum: Computer Chess Club: General Topics
Topic: Anti-cheating
Replies: 43
Views: 3622

Re: Anti-cheating

Really, the performance history tells you everything. On the chess servers, anyone who's winning regularly against computer opposition is cheating. Arasan some time ago played a series of games against a 2500+ GM and the GM lost all of them. Of course most players are lower-rated and will have even ...
by jdart
Fri Sep 10, 2021 7:44 pm
Forum: Computer Chess Club: General Topics
Topic: Arasan 23.0
Replies: 27
Views: 4288

Re: Arasan 23.0

I don't know why NMAKE wouldn't work. I use it all the time. I don't think the supplied Makefile is defective. Note per the build instructions: Arasan can also be built using the Cygwin development tools, which simulate a Linux environment under Windows. Use the Linux source package for building wit...
by jdart
Fri Sep 10, 2021 1:31 am
Forum: Computer Chess Club: General Topics
Topic: Arasan 23.0
Replies: 27
Views: 4288

Re: Arasan 23.0

I searched the web and found that this could be caused by using spaces in the makefile instead of tabs. However, whatever I do the message remains.
You are using which compiler? and which Makefile?
by jdart
Fri Sep 10, 2021 1:13 am
Forum: Computer Chess Club: General Topics
Topic: About my amateur chess engine
Replies: 5
Views: 1400

Re: About my amateur chess engine

So in the matches the openings will be handled by some GUI? as in the moves will be passed to the engine in the form of "position startpos move etc etc"? Yes, customarily the GUI handles the opening book. Some engines (Arasan for example) have their own internal opening book support but that is not...
by jdart
Thu Sep 09, 2021 2:54 pm
Forum: Computer Chess Club: General Topics
Topic: Arasan 23.0
Replies: 27
Views: 4288

Re: Arasan 23.0

Trying to compile it under Windows using the makefile I get this message: Makefile:41: *** missing separator. Stop. I searched the web and found that this could be caused by using spaces in the makefile instead of tabs. However, whatever I do the message remains. There are two Makefiles. Makefile.w...
by jdart
Thu Sep 09, 2021 9:41 am
Forum: Computer Chess Club: General Topics
Topic: Arasan 23.0
Replies: 27
Views: 4288

Re: Arasan 23.0

Rebel wrote:
Thu Sep 09, 2021 8:49 am
[The problem for non AVX2 compiles remains the same, only 86K NPS. And the 32 bit version is even faster 101K NPS.
That's a known issue: no SIMD support for non-AVX2 architectures. On the to-do list. For right now I just recommend disabling NNUE if not on AVX2.
by jdart
Wed Sep 08, 2021 9:38 pm
Forum: Computer Chess Club: General Topics
Topic: Arasan 23.0
Replies: 27
Views: 4288

Re: Arasan 23.0

Re the questions about the network: The network is compatible with the Stockfish 13 network architecture. The initial network was trained using 1B or so selfplay positions using nodchip's tuner. The first gen network was then used to generate 2B selfplay games and those were used for another tuning ...
by jdart
Wed Sep 08, 2021 7:46 pm
Forum: Computer Chess Club: General Topics
Topic: Arasan 23.0
Replies: 27
Views: 4288

Re: Arasan 23.0

I have just now pushed an update that fixes the issue with the default NNUE option values under UCI.

The console app does output a message on startup saying what net it is loading but it's not prefixed with "info" so may not be visible in the GUI. You should see it in debug output, though.

--Jon
by jdart
Tue Sep 07, 2021 4:47 pm
Forum: Computer Chess Club: General Topics
Topic: Arasan 23.0
Replies: 27
Views: 4288

Re: Arasan 23.0

When you start arasan from the command line, uci -> go depth 5 -> it says the NNUE file is loaded and so I ran it without setting the NNUE option. When I saw the bad results (similar to the current) I added the NNUE option and went to bed. Still not good and so I aborted the tournament. Not clear w...