python-chess
D3-Chess
python-chess | D3-Chess | |
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27 | 11 | |
2,303 | 48 | |
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8.0 | 5.0 | |
12 days ago | 3 months ago | |
Python | C++ | |
GNU General Public License v3.0 only | GNU General Public License v3.0 only |
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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/
D3-Chess
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If black would run out of time in this position, would it count as a draw or as a win?
Is it, though? Checking for a mate can be very difficult for humans in some positions and tools like https://chasolver.org/ exist, making it reasonably easy for computers. The chess websites just haven't implemented it yet.
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If white flagged black would this be a draw or win because there’s no checkmate possible
Here is a project on github that aims to solve this exact problem, determining when a game cannot be won by a given side. The algorithm appears to be completely accurate, terminating either when it finds a helpmate or when it is certain that a position is unwinnable, but their FAQ says that while it does well on every known position in the lichess games database, it could be very slow on some highly artificial positions.
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in this position if white dont make any move and run out of time it will be a draw (USCF RULES)
Actually, since few months ago, there is: https://github.com/miguel-ambrona/D3-Chess
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An Analysis of Unwinnable Chess Positions
Of course, somebody eventually made a project to find all of these games and created the Chess Unwinnability Analyzer (known as CHA):
- Draw by insufficient material on chess.com
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In this position, any move White makes leads to mate in 1 for Black. But if white sits there and lets their own clock run out, I believe it is legally a Draw by insufficient mating material
Anyway, here's a helpmate solver that could be implemented into Lichess.
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I reached this position that checkmate is impossible for both sides. Lichess didn't call it a draw so I flagged my opponent.
For all we know the cost to implement this could be negligible, or not. I would lean not considering someone has made a software that can process positions in an average of 5 microseconds. CHA
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Is there any name for this position? No progress seems possible. The position looks strange but is achievable in a normal game (albeit almost always deliberately). Tried on lichess and it doesn't draw, the game continues indefinitely.
There is a project to try to solve this, it's a very interesting problem. https://github.com/miguel-ambrona/D3-Chess
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If white ran out of time, would it be a loss for white or a draw?
According to this: https://github.com/miguel-ambrona/D3-Chess
What are some alternatives?
Fairy-Stockfish - chess variant engine supporting Xiangqi, Shogi, Janggi, Makruk, S-Chess, Crazyhouse, Bughouse, and many more
lila - ♞ lichess.org: the forever free, adless and open source chess server ♞
pychess - PyChess - a chess client for Linux/Windows
Lila - ♞ lichess.org: the forever free, adless and open source chess server ♞ [Moved to: https://github.com/lichess-org/lila]
chess-image-generator - Accepts FEN, PGN or array data for chess board and generates PNG or buffer.
ChessUnwinnableAnalyzer - Categorizing unwinnable chess positions
syzygy-tables.info - User interface and public API for probing Syzygy endgame tablebases
pgnToFen - Takes PGN as input and returns FEN
BEGAN-tensorflow - Tensorflow implementation of "BEGAN: Boundary Equilibrium Generative Adversarial Networks"
python-chess-analysis - Full analysis of a chess game including metrics related to imbalances in the positions using Python-Chess library
chess_engine
neural_network_chess - Free Book about Deep-Learning approaches for Chess (like AlphaZero, Leela Chess Zero and Stockfish NNUE)