Questions tagged [engines]

Questions relating to chess engines: any computer program that is able to play/analyze chess positions.

11 questions with no upvoted or accepted answers
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Human assisted handicapped engine against engine, adjustable parameters

I am looking for software preferably local interface on windows, to play human+engine against engine with access to search parameters such as depth and "greed" or dismissal factor (controlling ...
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164 views

Wrong perft result?

I'm writing a chess engine for fun. Currently I'm finishing writing the move generator. During the research I leaned about PERFT for debugging my software. Indeed, I found many bugs, some of them was "...
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1answer
76 views

Which engine is better at Chess960-Sttockfish or Leela?

It seems that TCEC has seen Stockfish and Leela go back and forth. It is probable that these days Stockfish is a little bit better than Leela. So, I was wondering since it is different in Chess960, ...
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What does Stockfish NNUE mean for Stockfish?

Apparently there was a major update to Stockfish recently such that it gained +50 elo (per regression tests). I'm told that the difference is coming from the new NNUE (efficiently updatable neural ...
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0answers
38 views

Multi-thread performance

I'm implementing multi-thread in my engine but I think I'm not getting the expected performance boost. Below are the results from the initial position to depth 10. The single thread version takes ...
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0answers
53 views

How to reduce the number of playouts on LeelaChessZero?

So after checking the wiki it seems the parameter "--playouts" allows to chose the number of playouts. But when I try it on my laptop it just fails: $ ./lc0 -w meangirl-7.pb.gz --playouts 5 v0.23....
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0answers
52 views

Magic bitboards: My indexing doesn't seem to work!

I am beginning to understand magic bitboards. I have successfully implemented them with Rooks, and I am currently working with Bishops. The method is very similar though. Problem I have a bishop on g7 ...
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0answers
48 views

UCI protocol recent “official” specifications

I am looking for the most recent specification (offical would be perfect) of the UCI protocol. I found http://wbec-ridderkerk.nl/html/UCIProtocol.html but it is from 2004. The most recent I could ...
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31 views

Arena Question-Can more than one match be played at same time in a tournament?

I am using Arena 3.5.1 version. Is it possible that more than one game can be played parallelly in the tournament? I want to start a Round-Robin tournament between a number of chess engines including ...
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0answers
82 views

SCID vs. PC: Multi-Engine Analysis

Is it possible to configure SCID to output the annotating engine in the variation itself? For example; Ne5 (Stockfish: -0.01 / +0.32 25. Bc4 ...) (Engine2: +0.20 / +0.48 25. 0-0 ...) (Engine3:...
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26 views

Need Help: Chess live data api for wordpress

I am working on a project creating a chess news portal. Can anyone help with Chess live data API for WordPress? That way, I can display live results and updates automatically