Questions tagged [stockfish]
Stockfish is a strong open-source chess engine.
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How to use chessbase to find moves that produce "only winning sequences" if present?
A lot of times you may find yourself in a losing position, and with best play surely, you'll stay losing, but there is a possibility that you make a move which is not necessarily considered the best ...
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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 ...
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Stockfish misses mate in 11 with 10 pieces [duplicate]
I fed @HaukeReddmann's "hack" to this scenario
[FEN "8/p7/rp6/rp6/pP6/R7/8/K6k w - - 0 1"]
to Lichess Stockfish 14, white to move. Up to Depth 77 (after which I gave up waiting), ...
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Stockfish Evaluation Bar like chess.com
I programmed my own chess website and I have stockfish included (v16) to play against.
Im trying to make an evaluation bar like on chess.com but I cant seem to figure out how. I thought about using ...
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Why does Stockfish continue analysis and report a non-zero result for a position with insufficient material?
In the position shown in the image, Stockfish (via the lichess interface) shows a top line of 91 ... Rxe5 92. Bxe5 Kxe5 93. Kc5 Kf5. 94 Kd5 Kf4 and so on. It reports an evaluation of +0.1 for the line....
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Is there any stockfish web api?
I would like to create a web page with a stockfish analysis which evaluates the sharpness of position, but to do that I would like to avoid to upload myself a Stockfish program in the cloud. I would ...
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Stockfish crashing on checkmate positions, and erroneous evaluation
I asked the same question on Stockfish's forum.
Black to move in the classic scholar's mate position. mate in 1. Engine produce erroneous results?
position fen rnbqkbnr/pppp1ppp/8/4p3/6P1/5P2/...
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How is AlphaZero defferent from Stockfish?
Obviously one is better than the other and AlphaZero uses machine learning and all, but what is the real reason for their different style of play? Given a position, both evaluate the next best move ...
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What are the strengths of different Chess Engines? [duplicate]
I personally use Komodo most of the time, but lots of people use stockfish. What are the differences between engines and what do they help you improve on better compared to other engines.
Tl;DR Where ...
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Why does Stockfish evaluates the trade of a B vs N that bad, while the trade has the King in the open and doubles pawns?
In this position (White to play)
(Picture credits to the chess compass extension that analyzes a chess.com game after it ended)
The current Stockfish evaluation (before White plays) is ~0.0.
But SF ...
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Stockfish crashes on fen string
I have created a GUI that communicates with a Stockfish 8 engine by passing it a FEN string. Everything works nice but on some specific FEN strings, Stockfish crashes. I don't have any clue why...
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Difference in chess engine strength for ''high end 64-bit multicore PCs'' vs. ''low end multicore 64-bit PCs''
I use Arena for tournaments between chess engines.
The interesting thing is that in different 64-bit multi-processor computers ranking is slightly different. I was expecting that they should be the ...
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What could explain strange performance pattern among Stockfish engine variants?
I have run computer chess tournaments among Stockfish engines, set up for various nominal strengths. The results were really strange, some are in reverse order to their supposed performance. For ...
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Why does Stockfish miss mate in 5 with only two legal moves?
I'm interested to understand what is going on for Stockfish on Lichess here. There are only two legal moves for Black, and it gives the position mate-in-14 for white.
When asked to play its ...
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Are Chess Engines Humanoid Figures?
On Youtube it shows chess engines as humanoid robots (here, for instance). Is this true, and if so do they play chess over the board according to their software? That would explain why they don't ...
user34459
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Get percentage amount of Stockfish usage
Is it a way to paste FEN from a game and see how many of those moves Stockfish would recommend doing? If the percentage is high, the person has most likely been using it. Is there a way of doing this? ...
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How to force Stockfish to make mistake [closed]
I developed a bot. It had a 100% win rate and my account was banned. I need to get it to make mistakes but can't force Stockfish to do it. How can I modify Stockfish to make mistakes?
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Opening saved game Stockfish
I have saved PGN file from a file in Stockfish on mac, but when I open it the position of the pieces does not move. Why?
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Stockfish 9 giving erroneous reading
Sam Loyd, 1860
[fen "8/8/8/8/B6n/7p/6k1/4K3 w - - 0 1"]
1.Bd7!! h2 2.Bc6 Kg1 3.Bh1!! Kxh1 4.Kf2.
(Ke1, Ba4; Kg2, Nh4, h3) says mate in 54 after 1.Bd7!! h2 2.Bc6 Kg1 3.Bh1!! Kxh1 4.Kf2.
This is a ...
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If Magnus Carlsen had the Bishop Pair would he be able to beat Stockfish?
If Magnus Carlsen had neither knight at the start of the game and stockfish had neither bishop would Magnus Carlsen be able to beat Stockfish?
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LICHESS analysis, why did it propose this outrageous move? [closed]
I was playing a game on lichess, and afterwards asked for a computer analysis, where instead of my perfectly fine move XX the computer insisted on another better move YY, why is that, how can I ...
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