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Questions tagged [python-chess]

For questions about the python-chess library (for questions about your own chess algorithm, use the [chess] tag instead).

Refers to the python-chess library, developed by Niklas Fiekas.

python-chess is a pure Python chess library with move generation, move validation and support for common formats.

This tag should be used only for questions about the python-chess library.

For general questions about chess-playing algorithms, use the tag combined with the tag. If your question is not actually about chess or the algorithms involved, you should not use the tag.

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129 questions
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Errno 8 Exec Format Error - Stockfish/python chess

I am trying to access Stockfish evaluations through python chess, however, whenever I try to run the code, I am met with "[Errno 8] Exec format error". I tried running the some code off the documentation and am met with the same error. I read some…
Thayer
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python-chess: ModuleNotFoundError: No module named 'chess.uci'

I'm trying to run a program that requires the modules chess and chess.uci. I do the "py -m pip install chess", but get the error message File "D:\Pythonfiler\sjakk\PySimpleGUI\Chess\Demo_Chess_AGAINST_AI.py", line 7, in import…
Patzer
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Running pygame in Sublime Text 3

I'm currently working on a chess programm in Python. I use Sublime Text 3 as an IDE, but it doesn't seem to work properly for pygame. I created a chess board and whenever I run it in Sublime Text the board doesn't appear. Somehow it seems similar to…
cactus_splines
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How do you get the chess board function to work on spyder 3.7?

I've tried this: import chess_py as chess board=chess.Board() but in my kernel it gives this error: File "C:\Users\raghu\anaconda3\lib\site-packages\chess_py\core\board.py", line 67, in __init__ self.king_loc_dict = {white:…
Kartheek Nagamangalam
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How to get a 4v4 chess board version using the python chess library

I am trying to figure out how to use the chess library in python to get a 4x4 board instead of an 8x8 with Rook, Queen, King, and Rook at the back and the middle rows being Pawns. I tried setting up the board through this line but it gives an error…
Scrap
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Creating an Sqlalchemy table within a row to save chess move set

I have a table of games and I want to save the moves made in each game within this table. The only way I can think of doing this(without using pickles) is to have another table for each game to save the moves set. My problem is that I'm not sure how…
Aviv T
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Legal user moves with python-chess

How is the legal moves function supposed to be used on python-chess? By running this code and entering e2e4. It turns out that the move is invalid. import asyncio import chess import chess.engine engine =…
9acca9
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"AssertionError: push() expects move to be legal", showing a board that is not the one passed in

I'm trying to code a simple chess engine that looks for the move that yields the most material advantage. However, I'm running into an odd error that shows a board that is not the one I had passed into it. My code: def best_move(board): …
aidenwilson
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from Chess import ChessEngine: error on Chess Engine

I have reviewed the tutorial numerous times but still, I have this error. After the first video in the series, he is able to display the board. The error highlights ChessEngine on my import statement. this is my primary resource:…
Brian Barton
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How to make deep copy of a specific(mutable) object?

I'm trying to make a chess engine. def botmove(board): legal=list(board.legal_moves)#needed because --->TypeError: 'LegalMoveGenerator' object is not subscriptable boardhalfmove=board.pop() choosemove(board,boardhalfmove, legal) …
NRO
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push_san() missing 1 required positional argument: 'san'

I am using the python-chess modal Input: list called 'pre' containing: ['e2e4','e7e5'] for x in range(0, len(pre)-1): move=chess.Move.from_uci(str(pre[x])) print(move) board.push_san(move()) print(board) The…
Kevin
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Backtracking 8 Queens Python problems

I've started solving the 8 queens problem with backtracking in Python. Everything is nice & fine. It even printed out the first answer. However, it stuck itself on its first backtracking try. The task sounded in that way: Implement a Python function…
mnoznik01
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Infinite while loop stopping unexpectedly python threading

I hope you're having a good day :) Recently I have been making a chess program. I'm now at the point of making the AI and I'm using Stockfish for testing purposes. Since I need the computer to have time to evaluate without pausing the pygame game…
KNN
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Stockfish chess engine gets: "EngineTerminatedError: engine process died unexpectedly" on Heroku

I am trying to build an AI chess bot, with a python back-end and React front-end. When I run it locally it works fine, but when deploying on Heroku for free, I get the following error message: result = engine.play(board,…
Steven
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n a separate class why does taking in an instance of a class in that constructor result in no statement effect errors?

I'm creating a chess game in which I decided to implement two class, the piece class an abstract class extends to various abstract operations(Pawn, King, Queen, Rook, Knight, Bishop), and every piece will be placed on a spot. The spot class…
jona
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