Stockfish
LevelDB
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| Stockfish | LevelDB | |
|---|---|---|
| 150 | 27 | |
| 10,468 | 35,046 | |
| 3.0% | 1.2% | |
| 9.6 | 0.0 | |
| 10 days ago | 7 days ago | |
| C++ | C++ | |
| GNU General Public License v3.0 only | BSD 3-clause "New" or "Revised" License |
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.
Stockfish
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Manipulating the Internal World Model of a Chess Playing Language Model
The Stockfish program can be set to play at strength level 0-20. Estimates of the levels' Elo is provided here: https://github.com/official-stockfish/Stockfish/commit/a08b8...
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A chess terminal user interface implementation
- and handicapped Stockfish (https://stockfishchess.org).
The whole thing is at https://github.com/magv/bchess, and can be installed with just 'pip install bchess'.
- What could I contribute to chess as a developer?
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posttest-cli beta testers wanted
This was the result searching for all the 35 stockfish benchmark positions to depth 6.
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How many positions can the top GMs analyze per second? In engine terms what is the highest nps for humans?
Stockfish doesn't have a classical evaluation anymore. And before this, most of the time (around 90%), NNUE was used to evaluate.
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Stockfish 16 Released +47 Elo gain over Stockfish 15 (Single threaded, UHO)
If you use ChessBase on a MacBook through Parallels, there's an issue where people have posted Apple Silicon compiles for Windows: https://github.com/official-stockfish/Stockfish/issues/4241
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Stockfish 16 is ready!
Progress can be found here https://github.com/official-stockfish/Stockfish/wiki/Regression-Tests At 1 thread it has gained +18.3 elo on a balanced book, and +47.03 on UHO (unbalanced) book as well as +39.4 elo for FRC and +65.56 for DFRC. At 8 threads it has gained +14.33 elo on a balanced book and +49.46 on UHO (unbalanced book). Also testing was done on 8 threads with 180+1.8 (this is considered very long time control for fishtest standards) and progress was +9.45 on balanced book and +49.65 on UHO.
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Stockfish 16 is ready
Downloads are available temporarily here https://github.com/official-stockfish/Stockfish/releases/tag/stockfish-dev-20230622-a49b3ba7
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Is there an engine stronger than Stockfish 15.1?
The strongest version of Stockfish is the latest development version of Stockfish
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How to integrate Stockfish chess engine into React Native app (for both Android and iOS)
I am trying to implement Stockfish (a popular chess engine) into my React Native app.
LevelDB
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Codebases to read
I'm partial to how cleanly written https://github.com/google/leveldb is. It is a reasonable size to fully read & grok in not too long.
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Unpacking LSM-Trees: The Powerhouse Behind Modern Databases
[4] leveldb/doc/impl.md at main · google/leveldb. GitHub. Retrieved October 21, 2023 from https://github.com/google/leveldb/blob/main/doc/impl.md
- Bloom filter support to leveldb by Sanjay Ghemawat
- SQLite performance tuning: concurrent reads, multiple GBs and 100k SELECTs/s
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The Witty Guide to Installing LevelDB on Ubuntu: HostRooster® Edition
git clone https://github.com/google/leveldb.git
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Is there a lightweight, stable and embedded database library?
leveldb?
- Ask HN: What's the best source code you've read?
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LevelDB VS ZoneTree - a user suggested alternative
2 projects | 22 Aug 2022
- Is Mongo as popular in the job world as it is with tutorial makers?
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Open Source Databases in Go
goleveldb - Implementation of the LevelDB key/value database in Go.
What are some alternatives?
nibbler - Chess analysis GUI for UCI engines, with extra features for Leela (Lc0) in particular.
RocksDB - A library that provides an embeddable, persistent key-value store for fast storage.
nnue-pytorch - Stockfish NNUE (Chess evaluation) trainer in Pytorch
MongoDB - The MongoDB Database
lc0 - The rewritten engine, originally for tensorflow. Now all other backends have been ported here.
Redis - Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.
fishtest - The Stockfish testing framework
SQLite - Unofficial git mirror of SQLite sources (see link for build instructions)
maia-chess - Maia is a human-like neural network chess engine trained on millions of human games.
LMDB - Read-only mirror of official repo on openldap.org. Issues and pull requests here are ignored. Use OpenLDAP ITS for issues.
Stockfish - UCI chess engine
CouchDB - Seamless multi-master syncing database with an intuitive HTTP/JSON API, designed for reliability