python-chess
syzygy-tables.info
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| python-chess | syzygy-tables.info | |
|---|---|---|
| 27 | 15 | |
| 2,290 | 59 | |
| - | - | |
| 8.0 | 7.7 | |
| 6 days ago | about 1 month ago | |
| Python | Python | |
| GNU General Public License v3.0 only | GNU Affero General Public License v3.0 |
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python-chess
- Permissive chess lib
- he is 2 years into his CS degree
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Last update on the Chessboard before it's (hopefully) complete
If you do get around to the pi version- I highly recommend this library python-chess. It can handle valid moves in addition to querying an engine like stockfish.
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Chessboard is coming along nicely
There is a very good Python chess library for computing these sorts of things: https://python-chess.readthedocs.io/en/latest/ If you backed the board with this, you could do it pretty easily.
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Chess ECO problem part of a chess data mining project in python
I've never done it, but it should be quite easy with python-chess to read in a detailed opening book, go through each game, and then find the last position in each game that occurs in the opening book.
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[OC] Evaluate Chess Portable Game Notation inside org-babel
pip install chess https://python-chess.readthedocs.io/en/latest/
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I made a heat map of the most frequent en-passant squares!
database.lichess.org I use the python-chess package.
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More transparent engine correlation calculation
The tool requires this library to be installed.
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An Analysis of Unwinnable Chess Positions
python-chess
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A bash script that reads from a txt file and produces a PNG
Do you need to reinvent the wheel? There's python-chess, for example: https://python-chess.readthedocs.io/en/latest/
syzygy-tables.info
- TIL that chess is completely solved with 7 pieces(any combinations) left on the board. This solution is stored in a database table that's 17 terabytes in size.
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Is this a draw?
If both sides play correctly, yes this is a draw. Chess is solved with fewer than 7 pieces on the board. At this website, you can check any such position and see what the result will be, assuming perfect play from both sides
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Chess, unlike war, is a game of perfect information
There is some truth to this.
In theory, chess is a game of perfect information.
But in practice, this is only true for ~6-piece endgames: every outcome has been / can be computed. But for any middle- or early-game position, the amount of finite information greatly exceeds any person's or computer's capacity, practically speaking.
In concrete terms, the tablebase for 6-piece endgames is ~150 GiB. For 7-piece, it's 16 TiB.
[1] https://syzygy-tables.info/
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Sechs Jahre nach AlphaGo: Mensch besiegt erneut "zuverlässig" stärkste Go-KIs
Syzygy-Tables https://www.chessprogramming.org/Syzygy_Bases
- Syzygy Endgame Tablebases
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Analysis board, practicing with the computer settings.
Alternatively, if you're playing an endgame with seven or fewer pieces, I suggest you use the Syzygy 7-piece tablebase to get the objectively best response on every move.
- This puzzle a master showed me today. Can you find the mate in 2?
- Syzygy Chess Endgame Tablebases
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White to move and mate in 584 (longest forced mate ever found)
I suppose you mean the syzgy 7 man tablebases? Yes, they do take 50MR into account because they use DTZ metric (fastest way to checkmate, capture or pawn move).
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What is the longest possible forced mate sequence with K - K + Q on the board? I managed to find a #10 at most but I suspect that you can get more. Has this been investigated?
I'd assume that Stockfish just hasn't found the M9. Tablebases already know the quickest mates in a given position, you can check the tablebase here
What are some alternatives?
Fairy-Stockfish - chess variant engine supporting Xiangqi, Shogi, Janggi, Makruk, S-Chess, Crazyhouse, Bughouse, and many more
lichess-bot - A bridge between Lichess API and chess engines
pychess - PyChess - a chess client for Linux/Windows
chess-image-generator - Accepts FEN, PGN or array data for chess board and generates PNG or buffer.
ChessPositionRanking - Software suite for ranking chess positions and accurately estimating the number of legal chess positions
pgnToFen - Takes PGN as input and returns FEN
Play-online-chess-with-real-chess-board - Program that enables you to play online chess using real chess boards.
BEGAN-tensorflow - Tensorflow implementation of "BEGAN: Boundary Equilibrium Generative Adversarial Networks"
maia-chess - Maia is a human-like neural network chess engine trained on millions of human games.
python-chess-analysis - Full analysis of a chess game including metrics related to imbalances in the positions using Python-Chess library
command-line-chess - A python program to play chess against an AI in the terminal.