nnue-pytorch
Stockfish NNUE (Chess evaluation) trainer in Pytorch (by official-stockfish)
secondchess
secondchess is a chess engine by Emilio Díaz, based on firstchess by Pham Hong Nguyen (by emdio)
| nnue-pytorch | secondchess | |
|---|---|---|
| 14 | 2 | |
| 284 | 16 | |
| 3.9% | - | |
| 6.3 | 10.0 | |
| 6 days ago | over 5 years ago | |
| C++ | C | |
| GNU General Public License v3.0 only | - |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
nnue-pytorch
Posts with mentions or reviews of nnue-pytorch.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-05-22.
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Are Super-GMs far more cautious in opening choice than they were even ten years ago?
There's extremely detailed information on how Stockfish's neural network evaluation works, but none of this will tell you the why of why the engines' assessment changed: https://github.com/glinscott/nnue-pytorch/blob/master/docs/nnue.md
- Why are people using bitboards for chess input?
- Resources for learning and implementing a NNUE for a chess engine?
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I am the first author of Stockfish. Ask me anything.
If you want a readable explanation of all the details, this document is phenomenal.
- What's a simple engine to modify? (Preferably in Python)
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"RL Fine-Tuning: Scalable Online Planning via Reinforcement Learning Fine-Tuning", Fickinger et al 2021 {FB}
Getting SOTA in chess would be earth-shattering, especially since Stockfish has now adopted very light-weight NNs (called NNUE) and has doubled down on alpha-beta search, regaining the upper hand against A0 style programs.
- Where would an absolute beginner to neural networks start when trying to learn how to build a NNUE evaluation function?
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Stockfish 14 Released
Stockfish NNUE is deep network. You can find out more about it's architecture and internal working here:
https://github.com/glinscott/nnue-pytorch/blob/master/docs/n...
It's pretty interesting read.
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Official release version of Stockfish 14
[0] https://tests.stockfishchess.org/tests/view/60dae5363beab81350aca077 [1] https://nextchessmove.com/dev-builds [2] https://stockfishchess.org/blog/2021/stockfish-13/ [3] https://lczero.org/blog/2021/06/the-importance-of-open-data/ [4] https://github.com/official-stockfish/Stockfish/commit/e8d64af1 [5] https://github.com/glinscott/nnue-pytorch/ [6] https://stockfishchess.org/get-involved/
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How do Neural Networks work?
https://github.com/glinscott/nnue-pytorch/blob/master/docs/nnue.md There is some info there.
secondchess
Posts with mentions or reviews of secondchess.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-04-11.
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Easy to read chess engine source code
Secondchess
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What's a simple engine to modify? (Preferably in Python)
In any case, you can try https://github.com/emdio/secondchess It's written in C, but (hopefully) quite easy to understand/modify.
What are some alternatives?
When comparing nnue-pytorch and secondchess you can also consider the following projects:
Ceres - Ceres - an MCTS chess engine for research and recreation
Ethereal - Ethereal, a UCI Chess Engine by Andrew Grant
Stockfish - A free and strong UCI chess engine
sunfish - Sunfish: a Python Chess Engine in 111 lines of code
KataGo - GTP engine and self-play learning in Go
Koivisto - UCI Chess engine
irwin - irwin - the protector of lichess from all chess players villainous
blunder - A UCI compatible chess engine written in Golang
lc0 - The rewritten engine, originally for tensorflow. Now all other backends have been ported here.
fishtest - The Stockfish testing framework
Halogen - C++ chess engine