lc0
cutechess
lc0 | cutechess | |
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12 | 9 | |
2,321 | 565 | |
1.2% | 2.3% | |
8.7 | 6.3 | |
7 days ago | about 1 month ago | |
C++ | C++ | |
GNU General Public License v3.0 only | GNU General Public License v3.0 only |
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lc0
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How the Lc0 Training Games Work (In Windows)
So according to the Releases page at https://github.com/LeelaChessZero/lc0/releases on the 1st of January 2022, Lc0 was in version 0.28.2. That takes care of the [White ""] and [Black ""] headers. To get the ratings, I went to the CCRL and looked it up: https://ccrl.chessdom.com/ccrl/404/cgi/compare_engines.cgi?family=Leela%20Chess
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Leela Chess Zero v0.29.0 has been released!
Lc0 0.29.0 - released - A beautiful gift for Mac users. (chessengeria.com) Release v0.29.0 · LeelaChessZero/lc0 (github.com)
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Setting up Maia chess locally and making it play unique games
Sorry, I should've said it in a more clear way. The feature isn't broken in general, but it wasn't intended to be used for randomizing move selection by policy value (normally it uses number of visits, if I understand correctly). This was changed in this PR so I don't think there's any issue that needs to be reported.
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FM Dennis Monokroussos' Open Letter to Ken Regan + Regan's response
UCI is designed to interface with GUIs. He needs it to be usable in "batch mode" which means providing input games/files on a command-line. I just looked at the lc0 documentation. There doesn't seem to be any way of integrating a batch mode https://github.com/LeelaChessZero/lc0/blob/master/FLAGS.md
- Stockfish 15 Eval(x-axis) to Leela Eval(y-axis) Graph
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Can you find the only winning move for White?
If you are curious where this game is from, this is actually a computer chess game that I ran on my machine between Leela Chess Zero 0.29.0 prerelease on https://github.com/LeelaChessZero/lc0/releases (CUDNN) playing with the black pieces, and Stockfish 22060708 64X BMI2 on https://abrok.eu/stockfish playing with the white pieces. The game continued 17. Bxe6 Kxe6 18. f4 Nxf4 19. Qg4+ Kd5 20. Rxf4 gxf4. If you check that position with Stockfish 15 NNUE on chess.com, it should realize that it is winning.
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TIL no human has beaten a computer in a chess tournament in over 15 years
For example: https://github.com/LeelaChessZero/lc0/wiki/Contributing-Training-Games
- Silent chip swap in GTX1650 cards craters performance
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What's a simple engine to modify? (Preferably in Python)
I suspect in a PUCTS based engine, simply changing the parameters to make the search wider could have the effect you want. Ie, the engine will try losing moves more often, which reduces the expected value of a node if it doesn't have a lot of similar options. I haven't checked Leela out in a while, but there is a good chance you don't even need to modify code to try that. https://github.com/LeelaChessZero/lc0
- CPU-based algorithm trains deep neural nets up to 15 times faster than top GPU
cutechess
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I wrote a very basic python code chess engine (it makes random moves only), but I'm having issues with it getting "Stuck" on moves in Banksiagui after a few moves, but when playing a computer in Banksiagui it has no issues, and with CuteChess it never has any issues playing a computer or a person.
So I've uploaded my code to github (https://github.com/Tyler-Jay-Stevahn/Chess-Engines/), and for a more specific version of the GUI's I am using Cutechess (https://github.com/cutechess/cutechess/releases/tag/v1.3.1) and Banksiagui (https://banksiagui.com/download/) Version 0.58 for Windows. I am using Pyinstaller to make the python file into an exe file as well.
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Setting up Maia chess locally and making it play unique games
Additionally, I ran a round-robin tournament between all 9 Maia networks using cutechess. Here you can download the tournament results with full 36k game PGN/EPD as well as the json configuration used to specify engine settings.
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Need help picking / understanding a chess engine, and interface
Some recommended programs (for desktop) are Nibbler, LucasChess, CuteChess and Arena. In all of those you will use your own hardware.
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Recommendations for Chess GUIs?
CuteChess: https://github.com/cutechess/cutechess/releases/latest
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I want to write my own computer programs to train and analyze my games. I would like a computer interface for inputting and outputting chess moves. Any suggestions?
I use cutechess for automatic engine vs engine tournaments as a great way to test playing strength improvements. The GUI is supposed to have less features than the command line tool, but it's more than enough for me. This also has support for playing a set of openings from a pgn file.
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Is there an offline chess analysis program for windows?
LucasChess: https://lucaschess.pythonanywhere.com/downloads Nibbler: https://github.com/rooklift/nibbler/releases/latest CuteChess: https://github.com/cutechess/cutechess/releases/latest Arena: http://www.playwitharena.de/ Banksia: https://banksiagui.com/download/
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Any software developper here? I need some help with my chess app
If your app supports xboard or UCI protocols, you can use cutechess to make it play against any engine supporting one of these protocols, including stockfish.
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Losing Chess but you gotta lose the King to win
This variant is also known as Codrus chess. It is e.g. supported by Cutechess https://github.com/cutechess/cutechess and Fairy-Stockfish https://github.com/ianfab/Fairy-Stockfish. Some info on the game can be found in the cutechess documentation: https://github.com/cutechess/cutechess/blob/e47db4d9553d9a76202ee3c8f2357f5d3ed59f49/projects/lib/src/board/codrusboard.h#L29-L47
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Engines Opening Books
That said, if you are planning on running an engine tournament, I hope you are aware of cutechess cli. Using this would avoid the need to specifically use abk format opening books.
What are some alternatives?
Stockfish - A free and strong UCI chess engine
igel - UCI compatible chess engine
maia-chess - Maia is a human-like neural network chess engine trained on millions of human games.
laser-chess-engine - Laser, a UCI-compliant chess engine.
Koivisto - UCI Chess engine
lunachess - luna: a UCI-compliant chess engine in c++
nnue-pytorch - Stockfish NNUE (Chess evaluation) trainer in Pytorch
nibbler - Chess analysis GUI for UCI engines, with extra features for Leela (Lc0) in particular.
SLIDE
Fairy-Stockfish - chess variant engine supporting Xiangqi, Shogi, Janggi, Makruk, S-Chess, Crazyhouse, Bughouse, and many more
secondchess - secondchess is a chess engine by Emilio Díaz, based on firstchess by Pham Hong Nguyen
xiphos - UCI chess engine