Maximize Your Chess Strategy: A Guide to Using Stockfish on

Stockfish is a powerful chess engine that can take your game to the next level. In this article, we will explore what Stockfish is, how it works, and how you can download and install it for use on

We will also delve into the features of Stockfish on, including real-time analysis, multiple variations, and position evaluation.

Find out how Stockfish can help you improve your chess skills by identifying mistakes, learning new strategies, and analyzing your opponent’s moves.

What Is Stockfish?

Stockfish is a chess open-source UCI (Universal Chess Interface) engine that plays chess without a graphical interface to provide speed and ease of access for both programmers and end-users. Marco Costalba, Joona Kiiski, Gary Linscott, and other contributors developed Stockfish. The project started in late 2008 and was released to the general public in late 2009. Stockfish has ranked highly on the CCRL, CEGT, Fishtest, and other computer elo rating lists, where it faces off against other chess engines by the use of self-play AI.

Since March 2011, nearly all of Stockfish has been licenced under the GNU General Public License v3 (GPLv3). This allows users to work with the engine and incorporate it in other applications. It is, for instance, used as the default engine in the chess platforms Lichess (except in Titled Arenas),, Winboard, Lucas Chess, and countless other online and offline chess installations. Gary Linscott continues to be the primary organizational and development leader.

How Does Stockfish Work?

Stockfish is a UCCI or UCI-only (Universal Chess Interface) binary. It reads a specific protocol called a FEN (Forsyth–Edwards Notation) string consisting of 6 blank-separated fields which represent the state of a chess game in terms of the position of the pieces on the board, capture flags, side to move, castling availability, en passant target square, and halfmove clock.

A FEN string is linked to an EPD (Extended Position Description) that gives all available legal moves (along or ordered pairs of letters and digits) in the current position. Actions that started the game, such as checks, checkmates, or draws, are reflected in the FEN information. Chess engines keep a set of tables linked to bitmaps that represent every object and action in the game. These are used to quickly calculate all valid alternatives, and pick a best move to play.

How to Download and Install Stockfish?

You download Stockfish from the official Stockfish GitHub page

After following that link, select the version of Stockfish to download. As of 18 July 2021, the most recent is Stockfish 14 for Windows, macOS, Linux, Debian, iOS, Android, Raspbian, Plus Calibrated, Plus SfBench, Plus with NNUE, GTCP, SugaR, LcZero, Arasan, Corchess, Pedone, Senpai, Cfish, and Booot.

Find the corresponding zip download and unpack it. On Windows, the most recommended version on the GitHub page is `` for 64-bit devices. There are no installation or setup requirements. Stockfish is already operational after unpacking the zip file and launching `stockfish_14_x64.exe`. If guidelines such as running the binary via the command line confuse you, you can also drag and drop the `stockffish_14_x64.exe` file onto `cmd.exe`. Stockfish should write its version in the `cmd.exe` console if it was properly drag and dropped. Any version of Stockfish after 9 will work on macOS and start performing proper operations immediately after unpacking. The initial parameter setting is for ideal performance even though some players might prefer to change it. There is abundant documentation from the Stockfish team on the `Stockfish Programming Wiki` if any player wants to learn more about potential parameter changes.

How to Use Stockfish in

To use Stockfish in, open the Analysis Board and see its analysis as the bigger analysis board will optionally contain both Stockfish’s Analysis labeled and’s computer analysis. Note that features will be highlighted in blue on the maker’s side. You can turn Stockfish on whenever you want. Its depth of analysis can be controlled though, up to depth 20 which keeps it competitive with other top online chess engines.

Location: Analysis board

Download the Stockfish Chess Engine

To use Stockfish in, first download it. Go to and select the appropriate download version for your operating system. For example, windows users should select the Stokfish 13 for Windows link, while those on MacOS should choose the Stockfish 13 for Mac one.

After the download is complete, follow the installation steps and install the program on your computer. It will automatically appear in the drop-down box under the local analysis engine in the analysis board as a selectable option.

Open and Go to Settings

Open, then click on the gear icon in the lower-left corner of the page to bring up the Settings window. The settings tool will appear, and on the left side of the screen, you will see popular settings options. Scroll down until you see Stockfish Analysis, Expand option settings by clicking on the right arrow pointing to the right.

Additional settings include turning stockfish analysis on or off, selecting the stockfish library to use, and selecting a secondary evaluator to use. Choosing the stockfish library to use offers three options that all rely on different hardware. These settings allow users to make adjustments based on the computing power they have available and adjust settings depending on desired levels of analysis depth. implementation of the Open Exchange model of control. This entails allowing site access to new chess tools that connect via API. The design allows independent developers, whether it is in the area of chess analysis, learning, or tournament management, to add value to the collection of available tools. does this to avoid heavy dependence on premium users. The fact that existing partners under the makers program have already developed chess tools proves that the implementation is theoretically easy.

Select Stockfish as the Chess Engine

To now select Stockfish as your default chess engine in the Playzone tool of (often called Live Chess by users), click on the woods ear icon on the bottom right of the LIVE CHESS board. Settings will drop down and default to Settings – Analysis and Bots. Choose Engine. Make sure ‘Analyze games’ is set to In Analysis (automatically) or All Important Moments (manually). You will get a sidebar with Stockfish analysis during your game.

If you want to be able to follow a post-game analysis, go into the Playzone (button with two white men on left called Play) and find where it says Play with the computer and has the Computer symbol. Click that and there is an option to get an analysis by Stockfish computer post game.

Analyze Your Games with Stockfish

  • Play online, over the board, or correspondence games against the computer.
  • Use the Analysis board on
  • Analyze your games with Stockfish.

Analysis of games played with friends on which you want to improve can be done with Stockfish which shows the best plays, whether the games are played over the board or online. Here are the steps to do so when using online games on and the Analysis board or mobile app.

Locate the game you would like to analyze in My Games on Select the game and you will be brought to the Analysis board.

  1. Do not log onto or use your computer to view.
  2. Move pieces on the Analysis board by clicking and dragging with your mouse.
  3. Select Set up position below the Analysis board if you wish to look at a specific position and/or moves in the game or if you would like to start a game from that point.
  4. Loading Stockfish, you will see the g in the engine analysis slide at the bottom of the panel on the right.
  5. To pause the analysis, click on the panel on the right side of the Analysis board. Stockfish will continue to analyze after you have turned it off.
  6. Even though Stockfish will do continuous analysis after you have paused, it will not display further moves on the board. You will have to turn Stockfish back on to see the further moves but Stockfish will pick back up from the time you paused and be in the same position of moves as if you never turned it off.

What Are the Features of Stockfish in

The features of Stockfish in include analysis, setting up positions, and multiple level boards. In the analysis tab, users can click on Stockfish to start a game review that includes recommended moves. The Stockfish app users set up FEN positions in the FEN position input to play out the moves that would have been made, and can then activate Stockfish to find moves from that position. If allowed under the plan being used, a Quizbot can be created for other users to try to figure out the special position.

On the standard interface, Stockfish can be used to play a game of chess at nearly any level. It accepts input on the board settings menu about its level of play, have its performance limited to avoid it playing mu h analysis, and be used by either side. Different analysis and skill levels for Stockfish regular and insight.

Real-time Analysis

Stockfish real-time analysis is a Premium-only feature from With this enabled, play against any live opponent with Stockfish running moves live. The analysis is provided in real-time and calculates processes for around 50,000-250,000 positions per second. They give a +3 advantage for Stockfish real-time analysis for white arrocha, but it looks as if the commander in this game from Rio de Janeiro has gotten back on top against his new opponent.

News18 helps people understand the mechanisms of analysis that Stockfish uses to calculate moves. It analyses the best move for all units live and pulls the results from 4 to 6 processing algorithms open source documents known as “chesses wiki.” Chesses wiki calculates the probability distributions of moves and provides an exact mathematical formula for the engine to analyze the game in real time. Stockfish has been rated at Elo 3397 and is one of the best chess engines available, but using Stockfish in real-time analysis on is not indicative of the movement’s current capacities. However, it is instructive for understanding effective chess strategy strategies, particularly for more complex positions or when planning your chess move live.

Watch the following video from the YouTube Channel of Sam Copeland talking about using real-time analysis on

Multiple Variations

In their core, staples offer only one line, so they are not well-suited for multiple variations of the same type of chess opening. However, if the same opening line occurs in different chess openings, one can access higher-level variations as long as the branch open is followed by the new type of initial setup. provides only one variation of the backbone of the Winnawer line during the Advanced Variation after the move up to the Knight of 7 squares. The second move is usually to g3, but in a game with the same initial positions, the game move was Kg2. If that happens, Stockfish will respond with Bg4, h4. The subsequent real openings in the second move of the top 9 moves are Reifenstahl gambit, Bb5 check, but Stockfish does not vary from the main line medium confidence opening.

Stockfish is for the most part a backup coach to the opening book. When in doubt, players using Stockfish will default to the digital assistant’s position suggestions. The idea is to add a strong, high-speed assistant to the regular’s experience without reducing its depth. In many lines, analyzes past rated games and its own engine DeepDiamond to provide suffusion data analysis. Stockfish is meant to reinforce or challenge these conclusions, as a worthy elder assistant for those who wish to see more position options.

Depth and Time Settings

Active Parameters Preset only has the Stockfish Depth set to go up to 16 levels but the app for the Stockfish engine itself has levels going up to 60 as one would expect of the world’s strongest publicly available chess engine. Adjust the Depth of the analysis so that you remember the important ideas. During my game, I will typically let the analysis engine run to about Depth 25. I can get some idea of long-term strategy from that. But running the engine all the way up to however many levels it can is the best if I want to make sure we give an evaluation at the end of the game.

Leave the Minimum thinking time for Stockfish at zero. Timer settings on the club and regular analysis should have longer minimum thinking times for Stockfish. But if I want to cycle through suggestions of what the Stockfish engine things are the best moves for me the zero value for minimum thinking time will dispense its popular answers. I would rather build my own understanding.

Position Evaluation

What is Stockfish Chess and where is Stockfish in Position evaluation is where Stockfish screen shows moves, and explanations behind those moves while it is analyzing. While the instructions for seeing Stockfish analysis on’s website have not been released as of April 2022, according to positions from older versions, after starting the analysis of a game, the Stockfish popup can be viewed by clicking on the new Tab button and provided that Stockfish does not give an error message.

How Can Stockfish Improve Your Chess Skills?

Stockfish can improve chess skills by being used to provide nuanced post-play analysis. Stockfish will identify moves that are not the most optimal, find better moves or alternative lines, and identify where the turning points in play intersect. These are key markers during study to determine how a match was won or lost, as well as for identifying areas of a player’s game that need improvement.

Identify Mistakes

To use Stockfish on to identify mistakes, replay a game at the move you want to analyze. Click on the Analysis tab below the board. This will cause the Chess Analysis pane to appear. Click the Modify settings button to change your chess engine, then press the Play button to see who Stockfish recommends to have an advantage in the position.

Learn New Strategies

Stockfish is useful for learning new strategies in every phase of the game. Chess is a complex and dynamic game in which strategies and themes change with each move. Watching the Stockfish Engine Analysis Panel helps players view and asses the changes.

The following are examples of how players can use Stockfish analysis to learn new strategies during different phases of the game:

  1. Opening: Utilize key squares, castle early on, and open lines for developmental pieces.
  2. Middlegame: Regroup your pieces to advantageous positions, deny your opponent space, and perform a pawn break.
  3. Endgame: Have king position in mind, study opposition positions, avoid time-wasting stalemates.

Analyze Opponent’s Moves allows you to play with players of different skills and play chess with a computer at different difficulties. At beginner to intermediate levels, you have to analyze your own moves rather quickly during the game while relying on blunder and inaccuracy checks on and only afterwards on Stockfish analysis.

At an intermediate to expert level you are able to freeze the game and run stockfish analysis to help you make strategic in-game moves more because both you and your opponent are making better tactical moves.

Improve Calculation and Evaluation Skills

Improving calculation and evaluation skills can only be accomplished by playing games. An expansion of the evaluation skill of positional understanding can be improved by consulting a stockfish chess engine’s analysis after the game to find out in which positions the computer was evaluating you or your opponents’ position as stronger or weaker.

Improving calculation can be done by setting easier problems first, as stockfish will assist by showing its moves in perfect solutions. Hannah Pover, a sophomore at Asheville School in the US and a competitive club chess player, describes her approach to using stockfish to improve her calculation by recommending GFTPM’s YouTube channel. She offers tacit confidence in calculations and solving mate problems using a stockfish engine.

Frequently Asked Questions

1. What is Stockfish and how can I use it on

Stockfish is a powerful chess engine that can analyze your games and provide you with valuable insights and suggestions. You can use Stockfish on by downloading the engine and integrating it with your account.

2. How do I download Stockfish and integrate it with

To use Stockfish on, you can download the engine from the official website and then follow the instructions provided by to integrate it with your account. This will allow you to access Stockfish directly from your game analysis board.

3. Can I use Stockfish in live games on

No, Stockfish can only be used in game analysis on It is not allowed to use any outside assistance during live games, as it goes against the fair play policy of the platform.

4. How accurate is Stockfish’s analysis on

Stockfish is known to be one of the strongest chess engines in the world, with a rating of over 3500. Its analysis on is also highly accurate and can provide valuable insights for players of all levels.

5. Can I adjust the settings of Stockfish on

Yes, you can adjust the settings of Stockfish on to customize its analysis for your specific needs. You can change the depth of analysis, evaluation function, and other parameters to get more accurate or simplified suggestions.

6. Is it necessary to have Stockfish to improve my chess skills on

No, Stockfish is not necessary to improve your chess skills on However, it can be a helpful tool for analyzing your games and learning from your mistakes. It is always recommended to use a combination of your own analysis and engine suggestions to improve your game.

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