DON Chess Engine

[tmokonen]

This guy was cloning (clowning?) while some of us were still in diapers.

[chrisw]

Evaluation Enhancements:

More accurate pawn structure evaluation including isolated and doubled pawns.
Improved king safety evaluation and mobility factors.
Enhanced tuning of piece-square tables for better positional play.

Question for the moderator: would commenting 'clown' here be subject to a penalty?

Thanks,
Alex

Search Optimizations:

Enhanced move ordering with improved history heuristics and killer move tracking.

Very suspicious. Stockfish dumped killer moves sometime ago. DON (which may or may not be an SF copy/clone, I leave that to others) doesn't appear to have killer moves either. So how how does the author who presumably wrote both the code and the associated documentation marry together this alleged "killer move tracking" with apparently not having killers in the engine? Just. Like. Stockfish. Or not. Does his left hand know what his right hand is doing?

Well?

[Brunetti]

Stockfish dumped killer moves sometime ago. DON (which may or may not be an SF copy/clone, I leave that to others) doesn't appear to have killer moves either. So how how does the author who presumably wrote both the code and the associated documentation marry together this alleged "killer move tracking" with apparently not having killers in the engine? Just. Like. Stockfish. Or not. Does his left hand know what his right hand is doing?
Well?

Well, it's derived from SF, he acknowledges it himself and writes it on his GitHub.

Alex

[Ras]

Question for the moderator: would commenting 'clown' here be subject to a penalty?

Moderation: You can comment on suspicious aspects, but please, let's focus on the matters, not the person. As in, critique the arguments, viewpoint, source code, rather than just delivering a summary statement on the author. As in, if you think so, this engine is ridiculous, along with supporting arguments, rather than just calling its author a clown.

[erashid]

I uploaded the binary to:

All binaries
https://github.com/ehsanrashid/DON/acti ... 3119621443

DON 3.0 x64 BMI2.exe
https://pixeldrain.com/u/qabugbyi

Please check and let me know

[mar]

Evaluation Enhancements:

More accurate pawn structure evaluation including isolated and doubled pawns.
Improved king safety evaluation and mobility factors.
Enhanced tuning of piece-square tables for better positional play.

how did you manage to do that with a NNUE engine? you must be a magician perhaps you hand-edited the weights?
also some net archs can't possibly learn mobility. perhaps you copy-pasted the improvements from a wrong version of fish?

[Joerg Oster]

Evaluation Enhancements:

More accurate pawn structure evaluation including isolated and doubled pawns.
Improved king safety evaluation and mobility factors.
Enhanced tuning of piece-square tables for better positional play.

how did you manage to do that with a NNUE engine? you must be a magician perhaps you hand-edited the weights?
also some net archs can't possibly learn mobility. perhaps you copy-pasted the improvements from a wrong version of fish?

Very likely a leftover from one of the former versions from many years ago,
when Stockfish still was using its handwritten eval.

I seem to recall that Marco took one or two code changes from DON back then, but that was it.

[erashid]

I uploaded the new DON Chess Engine executables

here are the links:

DON 3.0 x64 AVX2.exe
https://pixeldrain.com/u/ynLC2Xbk

DON 3.0 x64 BMI2.exe
https://pixeldrain.com/u/XtSnExS1


try and let me know if it works

Thanks

[erashid]

I uploaded the new DON Chess Engine executables

here are the links:

DON 3.0 x64 AVX2.exe
https://pixeldrain.com/u/ynLC2Xbk

DON 3.0 x64 BMI2.exe
https://pixeldrain.com/u/XtSnExS1


try and let me know if it works

Thanks

Did any one try on Fritz 19?

Some one reported an issue with Fritz 19.

Thanks

[erashid]

I uploaded the new DON Chess Engine executables
It has some updates.


here are the links:

DON 3.1 x64 AVX2.exe
https://pixeldrain.com/u/YSkyngwG

DON 3.1 x64 BMI2.exe
https://pixeldrain.com/u/271JSW6x


try and let me know if it works

Thanks