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Questions tagged [software]

Questions about chess-related software, but not including chess-playing engines; there's a more specific tag for those questions, the [engines] tag.

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How to use stockfish with c++?

I downloaded the stockfish.exe from the website and it runs fine. I just want to give it an position and to return an eval. The documentation about c++ in the stockfish website is gone. What can I do? ...
LentilesGR's user avatar
2 votes
1 answer
308 views

is it possible to download pgn from view.livechesscloud links

DGT broadcasts are hosted on links that start with view.livechesscloud https://view.livechesscloud.com/#0ae3ada0-034b-4144-afc7-89257d74f7da. This shows the boards and times in real time but there is ...
cmgchess's user avatar
  • 2,692
1 vote
0 answers
49 views

What kinds of analysis can I do to improve my openings? [closed]

I am working in a project where I can analyze pgn games, so if I apply it to my own games, I would get a full map of the positions I have won as white/black and compare that directly with the ...
Oscar Flores's user avatar
0 votes
2 answers
93 views

xboard and stockfish not working well together

It looks like xboard GUI and stockfish engine are not close friends. I can pick stockfish as an engine in xboard, but stockfish will not respect the time limits (unlike if it is used by chessX). ...
Gyro Gearloose's user avatar
0 votes
5 answers
180 views

Unable to find a chess program where the computer plays against me

It sounds crazy, but I am unable to find a chess program where the computer plays against me. I have halfheartedly looked for such a program but cannot find, or activate, such a thing. In the good ole ...
Gyro Gearloose's user avatar
4 votes
1 answer
273 views

Is there an API for chess-results.com

TL;DR: Does the website chess-results.com have an API? Long version: I'm working on something that needs some information about tournaments and games that reside on chess-results.com. I could use a ...
Marius's user avatar
  • 203
1 vote
1 answer
70 views

Blindfold Simultaneous software

Is there any chess software out there that will let one play blind and simultaneous? I really don't want to find guinea pigs for a couple of reasons, but I do want to learn how to play more than one ...
Paul Burchett's user avatar
1 vote
1 answer
67 views

Lower bound on the number of moves to reach given position

I'm trying to analyze opening positions using the Lichess evaluations database. Loading the entire database into memory is somewhat costly, so I'd like to filter out positions that occur after, say, ...
Jacob's user avatar
  • 111
5 votes
0 answers
530 views

What program/website shows the last captured piece in displaying the last move played in a position?

The following image appeared in the question Can anyone explain this sacrifice? You can see a pawn is captured. Sometimes a position will show the last move played or whose move it is but doesn't ...
BCLC's user avatar
  • 2,060
0 votes
2 answers
99 views

Any functional Stockfish online API in 2024? (preferably with WebSocket support)

I'm on the hunt for an online Stockfish API where I can send either a FEN/PGN position or a list of moves and get back some info like evaluations / variants / best moves. I've been scouring ...
stealz's user avatar
  • 131
3 votes
0 answers
252 views

I have a code in Python which should compute fully optimal moves in an endgame for Black and White player, but it seems that k is playing suboptimally

In this example "'fen': '7Q/8/8/6k1/2K5/8/8/8 w - -', 'moves_to_mate': 9" should be "'fen': '7Q/8/8/6k1/2K5/8/8/8 w - -', 'moves_to_mate': 11" according to Stock-Fish. EDIT The ...
user2925716's user avatar
1 vote
0 answers
52 views

I have a simple code which has a bug at the particular place given below, but I'm unable to detect it exactly and fix it

I have asked a similar question elsewhere and I have detected where roughly is a problem. It is in this function which gets processed for node "1" only, see the output section below: (I'm ...
user2925716's user avatar
3 votes
0 answers
94 views

Why this Python code for a simple endgame yields wrong results?

I have a Python code as below for a trivial (for a human) endgame, but I'm unable to make it output correct results. I'm seeking for a fully optimal play by both player: the stronger player should try ...
user2925716's user avatar
3 votes
1 answer
2k views

Where could I get the Torch Chess Game Installer for Windows 11?

The question: Where could I either buy or download Torch Chess Engine, please? This to install it on my ever offline Laptop. I do not like Stockfish, I prefer a more complex, nastier one, which thinks ...
Ben Floris Robberecht's user avatar
0 votes
1 answer
71 views

Chess.js -- How to access the various fields in .moves({ verbose: true})

I am an experienced Delphi programmer but totally new to JavaScript/TypeScript and I don't understand the structure of what is returned by .moves({ verbose: true}) and the appropriate JS/TS syntax to ...
vmishka's user avatar
  • 11
3 votes
1 answer
140 views

How to access high level tournament game data

I am currently in need of data from high level tournaments for a project and the data needs to include information like each individual move, the engine evaluation after each move, and the time ...
Han's user avatar
  • 31
2 votes
0 answers
66 views

Easily modifiable chess engine

I'm looking for a chess engine that I can (relatively) easily go into the source code, make some tweaks, recompile, and run the modified engine. Ideally, the source code would be well documented and ...
isaacg's user avatar
  • 292
0 votes
2 answers
429 views

Which Chess Engine is Most Preferred by Grandmasters for Analysis and Considered the Fastest and Best Currently?

As an avid chess player looking to improve my game, I am curious about the tools that top-level players, especially grandmasters, use for analysis. Specifically, I am interested in knowing which chess ...
Iman Mohammadi's user avatar
1 vote
0 answers
52 views

How to easily find out which games in pgn database were already analysed/processed

Which software (ideally free/open source (maybe Scid or Chessx) gives the possibility to easily see on the list of games (in PGN) which has: alternative moves or comments added? Basically what I need ...
bridgemnc's user avatar
  • 111
0 votes
1 answer
77 views

Transferring data from chess engine to statistical software

How do I extract data such as board configuration, engine evaluation, time spent per move etc from an engine into a statistical software package like stata? I am currently trying to investigate the ...
Han's user avatar
  • 31
2 votes
0 answers
50 views

Transposition table store/retrieval confusion

I am struggeling to get the transposition table aspect of my search algorithm right. These are the table functions: pub fn lookup(&self, hash: ZHash, depth: u32) -> Option<&...
Curunir's user avatar
  • 121
4 votes
1 answer
126 views

What are the Rules of Baroque chess?

I want to do an AI project implementing a Chess agent, so can anyone please let me know the Rules of Baroque chess?
user36271's user avatar
1 vote
1 answer
223 views

how to download pgn of a chess.com game by game ID programmatically

Every chess.com game has a game ID. For example https://www.chess.com/game/live/2485075845 2485075845 is the game ID. When you go to this URL it is possible to download the PGN by clicking the share ...
cmgchess's user avatar
  • 2,692
-2 votes
1 answer
268 views

Mate Solving or problem solving software

I have some positions in my games which engine analysis indicates that some lines (not the ones I played) lead to a checkmate in 6 or 7 or 10 moves. But normal engines are not reliable here so I use ...
Wassim Saeed's user avatar
1 vote
1 answer
360 views

Lucas Chess Issues with Chess Openings

I am using Lucas Chess but its opening lines don't display appropriately. Here the engine doesn't show opening lines automatically. What opening book can I use with engine for preparation of absolute ...
Mohammad Shahinur Islam's user avatar
3 votes
1 answer
301 views

A different hashing algorithm for chess positions

This is not a question, it is a curious discovery I wanted to share The most common hashing algorithm in chess programming is, I believe, Zobrist hashing. However, I may have found a different way of ...
Grande Dorgas's user avatar
0 votes
0 answers
68 views

What is the maximum theoretical (and practical) limit to an engines Elo? [duplicate]

If I'm not wrong, Chess #1 is at 2800 something, (Magnus) And the #1 Engine is Stockfish, with something of 3200-ish. What I'm asking that is there any theoretical limit to the elo? yes, I know, Elo ...
10xyz Coder's user avatar
4 votes
3 answers
668 views

Is there any program which I can use to train custom tactics puzzles?

Essentially, I would like to have the following features/workflow: I obtain a .pgn file with (puzzle) positions and moves (the solutions) I load that .pgn into the program and then solve (...
ndbd's user avatar
  • 539
0 votes
1 answer
108 views

I would like to make engine play specific openings

I would like to organize an engine tournament on Arena and restrict it only to one opening. How do I do that?
Immortal1993's user avatar
1 vote
0 answers
179 views

Chess Tree Visualization Tool (no engine or database needed)

Looking for a Good Visualization Tool I am looking for a good tool to use for visualization of the game tree and for exploration of variations during correspondence games. The tool would need to ...
Dave's user avatar
  • 327
2 votes
1 answer
557 views

How to implement Zobrist tables?

I am making a chess engine and trying to implement Zobrist tables into my engine. From what I've read, my understanding is that you first calculate the Zobrist hashcode, then get the modulo of the ...
wdk23's user avatar
  • 90
0 votes
1 answer
236 views

How to run perft with Stockfish in the terminal on a macbook?

I just got a Macbook and I'm attempting to build a chess engine, so I want to run the perft function on Stockfish to compare my perft results. When I was on PC, I was able to download the engine from ...
wdk23's user avatar
  • 90
1 vote
1 answer
110 views

Swiss pairings software ignoring colors?

I am looking for a tool that could manage a tournament and calculate the pairings (with Swiss or accelerated Swiss system) with an option to ignore black and white colors. This software, with the ...
Evargalo's user avatar
  • 16.1k
0 votes
0 answers
82 views

Tools to study positions with partial information?

TL;DR Is there a chess engine or other tools to study a "position" where the exact location of certain pieces is not known? From the following chess position, a plan could be to win the a2 ...
FxMySz's user avatar
  • 1
2 votes
1 answer
432 views

Manual pairings in tournaments

I had recently participated in a tournament and I think there is some manual pairing hidden inside which causes my friend to play against me. Since my friend had a higher score, I had to give up and ...
314's user avatar
  • 23
2 votes
2 answers
300 views

Best Repetoire Building Tools

I want to build an opening repertoire manually. what are the computer tools to do that?
Wassim Saeed's user avatar
2 votes
1 answer
638 views

Scid Vs. PC | Using Stockfish on Linux [duplicate]

I have downloaded Stockfish 16 from their site at: https://stockfishchess.org/ Using the command line in linux (I'm a newb), I have compiled it in the 'src' folder. After this, the exec file appears ...
GutenbergMuses's user avatar
3 votes
1 answer
638 views

Differences between normal chessbase and chessbase Steam

I just recently realised that the chessbase software is available on Steam, which would seem normal to me if it wasn't almost half the price compared to the version on the official website. I have ...
Lixue Zhao's user avatar
1 vote
1 answer
47 views

Scid not registering multiple sub-variations

I am trying to save multiple lines in the same game, like the following: 1.e4 1..e5 (1..c5 2. Nf3 (2.Nc3)) 2.Nf3 However, when I try to do this, it is only allowing me to keep either 2.Nf3 or 2.Nc3 ...
r0nald_mcdonald's user avatar
0 votes
2 answers
220 views

How to use Stockfish for the review feature on Chess com?

I really like the "Review" feature in Chess com, where there is a "virtual coach" explaining why a particular move is better than the other. But it requires a paid membership for ...
user3760100's user avatar
0 votes
0 answers
229 views

What's the fastest way to detect blunders with an engine?

My main goal is to detect blunders in chess games. I wrote a python program that loads a large pgn database and then analyses the games. I did it by letting Stockfish go through every game and every ...
RottenSchnitzel's user avatar
2 votes
2 answers
1k views

Are there chess apps that allow users to record moves and do not include a chess engine?

I have seen chess apps that work as a chess clock. Are there chess apps that allow users to record moves and do not include a chess engine? The idea is to use the app during a chess tournament as a ...
Beginner's user avatar
  • 1,292
1 vote
1 answer
214 views

Visualizing the number of pieces attacking each square

Are there any software programs or tools available that can display the number of pieces attacking each square?
Asterion's user avatar
  • 119
2 votes
2 answers
132 views

How would I detect dead position in a tablebase?

I am programming a tablebase for fairy chess, and would like to conclude the game if mate cannot be reached in any way. I guess this has to be detected when the evaluation (win in... / loss in... / ...
Ferazhu's user avatar
  • 192
3 votes
1 answer
350 views

How do I create endgame tablebases?

What software can I use to create and verify endgame databases? I want to create my own tablebases from scratch on my PC - I'm specifically looking for open-source software that I can modify to ...
Someone211's user avatar
2 votes
3 answers
418 views

How to turn the PGN of opening into a image?

Does anyone here knows how to turn a PGN, let's say for example 1.e4 c5 2.Nf3 ( 2.c3 Nf6 ( 2...f6 3.Na3 ) 3.e5 Nd5 ) Nc6 3.d4 cxd4 4.Nxd4 ( 4.c3 ) g6 into an image? I preferably would like to put ...
Tiru84's user avatar
  • 31
4 votes
1 answer
255 views

Program to merge chess opening polyglot database files with recalculation of weights

I have been trying to merge polyglot chess opening databases. When merging databases with existing programs, if any move in a position already exist in the first file, new moves from same position ...
Mats Backstrom's user avatar
1 vote
0 answers
2k views

How can I automate finding games that had brilliant moves in it by a particular player on chess.com?

There's a feature on chess.com for highlighting brilliant moves. I have 30,000 games back to 2015 in one account before that statistics feature came online, and I'd love to hunt for any brilliant ...
SwimBikeRun's user avatar
1 vote
1 answer
363 views

Extract evaluation data from Stockfish in Cpp

I am working on a chess player-rating system based on engine evaluations. As part of this I would like to extract evaluation data from Stockfish for the top 10 moves in a given set of positions. ...
Enforce's user avatar
  • 113
1 vote
1 answer
485 views

What is the Depth reached by chess-AI agents on a regular computer?

I'm looking for some reference for the number of lookahead steps typically used by chess agents (Stockfish / Leela Chess Zero / others?) From a quick search I found that: the answer depends on: ...
Cohensius's user avatar
  • 115

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