New engine releases & news H2 2022

[Graham Banks]

Clover 3.2.1 bugfix
same link
(hopefully) fixes occasional crashes...

As reported by Graham, Clover 3.2.1 still crashed at CCRL Divison 2, so I recommend not using it . I will try fixing the crash errors as soon as possible, which is weird, cause in my testing I never got any crash... Sorry to all testers that tested 3.2 or 3.2.1.

Hmm, nevermind, it seems that it was an issue on Graham's side. Seems like 3.2.1 is safe and I recommend using it over 3.2

I recommend opening the exe before you use it.
I had to give permission for it to 'run anyway'.

[Gabor Szots]

I recommend opening the exe before you use it.
I had to give permission for it to 'run anyway'.

I have to do that with every engine.

[Wolfgang]

....
Hmm, nevermind, it seems that it was an issue on Graham's side. Seems like 3.2.1 is safe and I recommend using it over 3.2

So far (~400 games) no crashes here and @Jörg, so I think 3.2.1 is safe. I'll continue our 40/4 test with this version.

[lucametehau]

....
Hmm, nevermind, it seems that it was an issue on Graham's side. Seems like 3.2.1 is safe and I recommend using it over 3.2

So far (~400 games) no crashes here and @Jörg, so I think 3.2.1 is safe. I'll continue our 40/4 test with this version.

Thanks for letting me know and thanks for testing!

[bastiball]

Code: Select all

v0.29.0 Latest
In this release:

New metal backend for apple systems. This is now the default backend for macos builds.
New onnx-dml backend to use DirectML under windows, has better net compatibility than dx12 and is faster than opencl. See the README for use instructions, a separate download of the DirectML dll is required.
Full attention policy support in cuda, cudnn, metal, onnx, blas, dnnl, and eigen backends.
Partial attention policy support in onednn backend (good enough for T79).
Non multigather (legacy) search code and --multigather option are removed.
Now the onnx backends can use fp16 when running with a network file (not with .onnx model files). This is the default for onnx-cuda and onnx-dml, can be switched on or off with by setting the fp16 backend option to true or false respectively.
The onednn package comes with the latest dnnl compiled to allow running on an intel gpu by adding gpu=0 to the backend options.
The default net is now 791556 for most backends except opencl and dx12 that get 753723 (as they lack attention policy support).
Support for using pgn book with long lines in training: selfplay can start at a random point in the book.
New "simple" time manager.
Support for double Fischer random chess (dfrc).
Added TC-dependent output to the backendbench assistant.
Starting with this version, the check backend compares policy for valid moves after softmax.
The onnx backend now allows selecting gpu to use.
Improved error messages for unsupported network files.
Some assorted fixes and code cleanups.

https://github.com/LeelaChessZero/lc0/releases

[chrisw]

I recommend opening the exe before you use it.
I had to give permission for it to 'run anyway'.

I have to do that with every engine.

All any any executables not somehow registered or passed as clean by Control Centre will generate that warning

It’s probably just as well, but it’s a bit of a pain

[voffka]

Igel 3.2.0 at https://github.com/vshcherbyna/igel/releases/tag/3.2.0 (official executable binaries for Windows and IGN net).

This release brings adequate improvement in strength.

What's new:

- smaller margin for prunning quiets
- scale down eval to 1000
- history extensions only on non pv moves
- adjust scale formula
- less reductions in lmp when not improving
- negative extensions
- futility pruning improvements
- implement cutnode
- new network ign-1-9a48854b created by using prev network (ign-1-3e998e78) and re-trained with a different lambda

Regression run against Igel 3.1.0:

Long Time Control With Increment

Code: Select all

ELO   | 43.53 +- 3.13 (95%)
CONF  | 60.0+0.60s Threads=1 Hash=64MB
GAMES | N: 25000 W: 8152 L: 5036 D: 11812

Short Time Control With Increment

Code: Select all

ELO   | 41.22 +- 3.25 (95%)
CONF  | 10.0+0.10s Threads=1 Hash=8MB
GAMES | N: 25008 W: 8572 L: 5619 D: 10817

In case of any questions please ask them in the main thread for Igel at https://talkchess.com/forum3/viewtopic. ... 06#p939706

[rulleeeee]

This is virus

[pohl4711]

Little Goliath 3.16:

http://www.goliathchess.de/goliath/down ... _v3.16.zip

Many minor changes, bug fixes and optimisations of the code (for more speed).
Major improvement is the introduction of neural networks for extension and pruning decisions.

[Szil]

BlackCore v4.0:
https://github.com/SzilBalazs/BlackCore ... es/tag/4.0
Estimated elo on 1 thread: ~3100
Estimated elo on 4 threads: ~3200