Explaining Stockfish: Analyze, Learn, Improve

DecodeChess is the 1st chess software to explain the recommended moves of Stockfish in rich language, providing a 360° analysis of any move or position. Join the community of decoders who are improving their chess skills with us.

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“It helps trainers to spot and understand the hidden possibilities of the positions.”

World Championship Challenger
GM Boris Gelfand

Revolutionizing Chess Analysis with Stockfish

Powered by a unique AI algorithm, DecodeChess helps you understand why Stockfish chose the next best chess move using rich, intuitive sentences, revealing concepts and ideas that aren’t present in any other chess analysis software. It’s 100% online and easy to use.

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Unlimited Exploration

Reveal the pros and cons of any move you have in mind! DecodeChess allows you to perform a chess analysis through different perspectives. Per each position you decode, a rich tab system analyzes over five main areas of interest: Threats, Good Moves, Attacking Plans, Piece Functionality, and Concepts.

Play & Learn

Play against our unique, human-like computer opponent and decode positions as you go to enjoy an instructional simulation mode. Usually, when playing against a computer we are no match for the excellent tactics of chess engines, resulting in an unbalanced match. Our opponent lets you enjoy a challenging game with a fair chance of winning!

Who is it for?DecodeChess Technology Founders’ Message

Who is it for?

DecodeChess was created for chess enthusiasts who want to improve their game and win every chess move. If you are a chess player with an ELO rating of up to 2000; passionate about improving your skills through self-analysis; always wondering “what is the next best chess move?”; Can’t stop thinking to yourself “why is this move good?”; want to discover the beauty and logic behind masters’ games

then we think DecodeChess is the right place for you.

We are here to help you win more moves and to become a better chess player, by adding a dimension to chess analysis that was so far out of reach.

The Technology Behind DecodeChess

DecodeChess introduces Explainable AI (XAI) to the world of chess analysis software, by providing in-depth explanations to Stockfish recommended chess moves. Until today, chess engines could tell you what the next best chess move is, but they couldn’t explain why that move was chosen. Learn More…

A Word from the Founders

We are delighted you can join us on this chess adventure. Understanding Chess and AI has been a great source of interest and inspiration for us for a long time. We worked to combine these two worlds for several years and are excited with the results which we call DecodeChess: a tool that promotes chess understanding for the community of chess players.

There is still much more to come, we hope that you enjoy DecodeChess and help us expand this exciting project.

Sincerely yours,
Ofer & Zeev

What Chess Players Say About Us

“I enjoy the insights Decode Chess supplies, especially on the complex mid-game positions. Although I’m not a very strong player (yet) I appreciate the depth and explanations that Decode Chess provides. I highly recommend this app.”

Guy BekerMelbourne - Australia

“I have been playing the DecodeChess computer and using the Decode process to work through the various main lines. The running graph that is displayed is excellent as well. Whole setup is working really well and I am learning a lot, easily the best chess education around.”

Ray JohnsonNSW - Australia

“I am really engaged, and like the way it describes everything in human language and is easy to understand. I fully studied the Danish Gambit, and use it as my main opening now.”

Harut BadalyanOxford - United Kingdom

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Explaining Stockfish: Analyze, Learn, Improve

World Championship Challenger
GM Boris Gelfand