Questions tagged [computer-chess]

This tag refers to chess games played by computers. If you want to ask a question about those games, use this tag. Otherwise, use the tag [engines].

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68 views

Fire vs Ethereal

One of the few wins of Fire in Season 19 Division P (in the end Fire was relegated), but it was truly a win? [FEN "5r2/6b1/1pPk4/2p5/2P3N1/3PP1K1/5R2/8 b - - 0 1"] (Black to move) It ...
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Stockfish vs Leela zero

In the TCEC Cup 7 , Stockfish and Leela Zero played the below position; Is this a win for White or is Black able to defend this position? Black to Play [Event "TCEC Cup 7"] [White "...
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2k views

Why didn't the Black rook capture the White bishop?

I am a total newbie in chess. I was playing with an ~intermidiate computer~ as White and made a pretty stupid mistake by playing Bf4. I waved the bishop goodbye, yet Black's rook did not capture it. ...
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66 views

Need help finding a tactics database with motifs [duplicate]

I am trying to make a neural network which could determine what chess tactic is present in a position. For this, I need to have a database of chess tactics labelled with correct motifs. A similar ...
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1answer
93 views

Mac - Chess App

I was trying to play chess on the included chess app on mac, and after the computer's turn, it will not allow me to make any move at all, and I am 100% sure I am not in check as the game just started, ...
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Can you suggest some good free chess sites to learn about opening, finding checkmates, endgames etc for a beginner in chess? [duplicate]

I wanted to learn chess formally online and want your help finding good websites which teach chess.
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1answer
112 views

Have there been computer-vs-computer chess games exceeding 493 moves?

From a FIDE Online Arena Facebook post (which appears copy/pasted from elsewhere), I'm interested in the part in bold: (Image of a chess board with two kings and no pawns nor pieces omitted.) This ...
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3answers
256 views

Did Leela Zero miss a win in this position?

Did Leela Zero miss a win in this position from game 106 of the Computer Chess Championship, on move 83 with White to move? [FEN "8/2p1r3/2P4k/1P1pB2p/K2NbP1R/P5r1/8/8 w - - 0 1"] Here, ...
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2answers
140 views

Compiling Stockfish to disable own castling while allowing opponent castling

For artistic purposes, I would like to create and study engine games in which only one side is able to castle. For this, I need to compile a version of Stockfish which never castles, and doesn't ...
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1answer
106 views

Why is stockfish not accepting my move?

I am trying to play with stockfish from terminal. I entered the following commands: position startpos e2e4 d The output was: Why is stockfish not accepting my move?
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How do I improve my Chess rating [duplicate]

Its been almost three and a half years since I am playing chess online on chess.com. But I never crossed my Chess rating above 1500 on chess.com. And I think that three years is enough for anyone to ...
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1answer
116 views

How do I play 30 second games on chess.com?

My current chess rating is approximately 1400 in 1 minute ,3 minute, and 5 minute game. I have seen some of the other players playing 30 seconds games whose rating is around 1200 but I cannot find an ...
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1answer
260 views

What should the practical meaning of “blunder” be?

There have been questions about the reliability of computer evaluation, and famous cases in which computers miss-evaluate positions have been given. What I want to ask is more related to the practical ...
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5answers
4k views

Is it possible that a radically different but equally effective playstyle exists?

There seems to be an established "chess canon", whereby general principles exist for long term strategy in the game. There is a well-characterized set of openings, a small subset of which are even ...
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2answers
524 views

Why are world-class engines playing like this?

I was reading about the Lc0 engine and its evolution. Then took a glimpse at the games between Lc0 and the notorious Stockfish. I am not a professional or anything remotely close, but this particular ...
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1answer
122 views

Creating a New Neural Network for chess

I'd like to have my own chess engine similar to Leela for personal use. I’d want it to have a decent strength, let’s say 2k, and be able to play with it. I'm wondering if I can use Leela to create a ...
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2answers
170 views

What makes a move “weird”?

I am not sure if this question has been asked before, but I recently had a friend, who is a NM, play a blitz match against stockfish (level 12 I believe) and commentate its playing style. What struck ...
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3answers
3k views

When moves are randomized, is there an inherent advantage to the player who goes first, or the player who goes second?

Imagine we are pitting two automated players (bots) against each other, but instead of thoughtful moves made by the players, they make completely random choices. I realize that this is not really the ...
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4answers
900 views

Breadth-first search vs Depth first search in knowledge-based chess engines

I would like to learn about the difference between depth-first and breadth-first search in knowledge-based chess engines (that, of course, excludes alpha-zero). The difference isn't that clear-cut, ...
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2answers
2k views

Sesse supercomputer

How many positions per second can the Sesse supercomputer analyze?
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3answers
1k views

Knowing that AlphaZero beat Stockfish 8 (28 wins, 0 losses, and 72 draws), what would AlphaZero's rating be?

I found three different questions here on SEC that asked what Stockfish 8's rating was for the match against AlphaZero, but none that asked what AlphaZero's rating should have been after (if it had ...
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9answers
21k views

Is Stockfish 11 (level 20) beatable?

I have heard many people saying, “Hah! I beat Stockfish,” and one saying, “I am the best chess player ever! I beat Stockfish.” So I wonder if it is possible, just to know whether I should try to beat ...
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1answer
2k views

Why is Leela better than Leelenstein? (as of January 2020)

Leela Chess Zero is a neural-network based chess engine trained entirely from self play (that's why it has the word "zero" in its name). Leelenstein uses the same binary,* but a different method to ...
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1answer
221 views

How to write an interface to lichess for a millenium board using chesslink?

I am aware of the python chess and chesslink mchess work but would like to attempt to interface it with lichess.org. My purpose would be to play others on lichess using my Millenium board. The API'...
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3answers
4k views

Why is Leela so good at beating Stockfish in the French/Slav?

I notice Lc0 is especially good against Stockfish in French / Slav pawn structures. However, I don't understand why. Here're a couple of games where Leela smoothly outplays Stockfish. Can anyone ...
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10answers
7k views

Is a Finite State Machine a good way to model chess?

A very common model in programming is the Finite State Machine (FSM) (see here for a great worked example.) Is a FSM a good way to model chess? What are the best ways to go about it? What chess ...
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2answers
137 views

How many games to get a good idea of computer chess board rating?

I have an old Radio Shack 1850 Electronic Chess Computer, which I would like to know the ELO rating each level plays at. The instructions just give average number of seconds per move. I figure I ...
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2answers
389 views

When to use Clear Hash

I am developing a program that analyzes games sequentially, i.e. one game after another. Below are the parameters. Engine: Stockfish 10 Threads: 2 Hash Table: 4000 Depth: 30 My question is about ...
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4answers
254 views

Central control disliked by engine in 1.e4 e6 2.d4 a6 3.c4

Recently I played a chess game that started with the moves: 1. e4 e6 2. d4 a6 and then I played 3. c4 which according to Stockfish is inaccurate. [fen ""] 1. e4 e6 2. d4 a6 3. c4 What is the ...
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4answers
8k views

Creating chess engine, machine learning vs. traditional engine?

I am both an avid chess player and computer programmer. I would say that playing chess and programming are the two things I spend the most time doing. Naturally, I am wanting to create my own engine ...
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5answers
837 views

Are engine ratings directly comparable to human-level play?

Yesterday, I play a game against Stockfish 7, and it has 2200 rating points. I drew 2 games, and lost 1. The point is that if I play against a human-rated 2200 player, I would probably have a ...
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49 views

What computing knowledge do you need to solve chess? [duplicate]

I am a 2300-rated FM in chess. Sometimes I want to know to know is this: what computing knowledge do you need to solve the game of chess? Does anyone know precisely?
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1answer
255 views

How strong is each level of Atari 2600's Video Chess?

I used to play Video Chess on Atari with my dad when I was a kid. What is the approximate FIDE rating of each level?
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1answer
333 views

How to use opening books on mac/linux

I would like to use opening books for my stockfish chess engine, but I'm not sure how to do this. As far as I understand stockfish doesn't support these, so I though I setup a system next to stockfish,...
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1answer
78 views

What is the realistic depth in chess we can set in graphical user interface when we have hardware with 16 core processor with 32 threads? [closed]

I want know the depth we can set in 16 core processor and 32 threads time can be maximum set to 15 seconds. Please share your thoughts and ideas.
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1answer
332 views

Bullet tips and tricks [closed]

Nowadays with speedy Internet and in order to play lots of opponents and to decrease the chance of cheating, people are opting for Bullet or blitz. Generally I prefer to play Larsen opening or ...
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2answers
215 views

Which is the most popular and crowded chess server?

Which is the most popular and crowded chess server? I'm new at computer chess, and want to start playing at servers, but I do not understand where I have to play. I am hearing about freechess, ...
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1answer
3k views

Chess GUI recommendation for linux [closed]

Which chess GUI will be good for Linux. I have tried a lot of GUI's, but as I am new at computer chess, I have no idea about pros and cons of chess GUI's. Which is chess GUI will you recommend? Is ...
3
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1answer
209 views

CLI tool to let chess engines play each other [duplicate]

I'm looking for a command-line tool to let two chess engines play a game or a tournament against each other. The tool should support UCI and/or the xboard protocol and it should allow to save the game ...
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2answers
849 views

Have engines refuted any established openings?

Before engines were introduced to chess in late 20th centry, there were many established openings that were played by the top players at that time. I am wondering if any of those openings were refuted ...
3
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1answer
225 views

At what handicap are humans as good as computer?

It is well known that the best chess engines are now far stronger players than the strongest human players. But is it known what the smallest handicap is that makes them roughly equal?
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2answers
91 views

Do someone found if there exists a ever winning side? [duplicate]

Have chess science advanced enough to determine if there is a a chess side that always win if both sides are given unlimited time to think for the next move? Note the question Is not dumb as might ...
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2answers
588 views

Question about the move h5

I recently played a chess game whose link is: https://lichess.org/pCFw1h2w/black#5 After running a computer analysis, I found that in this position: I know that even though Stockfish does not tell ...
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2answers
166 views

Can my pc calculate to depth 125 in 15 seconds, if a chess engine is programmed well?

I have a PC, an AMD RYZEN 7 2700 with minimal graphic card and 8 GB RAM. It has 8 cores and 16 threads. If a chess engine is programmed well will it be able to calculate to a depth of 125 in 15 ...
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6answers
4k views

Carlsen-Caruana Game 12

Any online search about the recent game 12 in Carlsen-Caruana's WCC is filled with the surprise caused by Carlsen offering a draw when in a (possibly?) winning position. It was announced on chess.com ...
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1answer
390 views

Where can I find the saved games or PGN files in the Play Magnus app?

I have completed games on the Play Magnus app and clicked on the option "Export game as PGN file " but I don't know where to find those saved games.
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1answer
332 views

How to use crafty chess engine in the gui chess64.exe link provided

Given below is the crafty chess engine of xboard or winboard version free version. https://github.com/MichaelB7/Crafty/releases/download/25.2/Crafty-25.2-Win64.zip Given below is the book https://...
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1answer
159 views

How to debug Move Generation function?

I'm writing a chess engine, and I'm testing that the move generator is working correctly using a perft() function. In perft position 2 my engine appears to be 90 moves short at ply 2. How do authors ...
2
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3answers
477 views

Which chess app plays regular openings

I play chess regularly, about 1600 rated. Sometimes I want to play chess on my phone (Android). The chess app I use, Chess free, is strong enough. However, it does not play regular openings, so when I ...
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2answers
68 views

Which chess rules cover Internet play?

From FIDE Laws of Chess: FIDE Laws of Chess cover over-the-board play. So, which rules cover Internet chess play?