Launching today
Chess Revision
Chess Board Scanner, Analysis & Game Review
2 followers
Chess Board Scanner, Analysis & Game Review
2 followers
Scan any 2D chess board from a screenshot, photo or camera and get Stockfish's best move. In Chrome it follows live games and broadcasts on any page. Step back to any move and play it out against Maia, an engine that plays like a human at your rating.
Free Options
Launch Team
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Promoted
Hi Product Hunt 👋 I'm Pawel, and Chess Revision is my solo project.
Why did you build it?
I kept seeing interesting positions in places where I couldn't analyze them: a puzzle on social media, a game in a YouTube video, a screenshot a friend sent. Setting up the board by hand in an analysis tool took longer than looking at the position. So I built an app that reads the board from a screenshot and opens it with Stockfish straight away. Then I wanted the same thing while watching games in the browser, which became the Chrome extension. It follows the game on any page and shows the best move next to the board. Game review and the Maia engine came after that, because seeing what was best is only half of it. You also want to know which moves you could realistically have found.
The part I'm proudest of
While you watch a live game or a broadcast, you can step back to any move and play on from there against Maia, an engine trained to play like a human at the rating you pick. So you can replay a game and try the moves you would have played, against an opponent who answers like a real player, not a perfect engine. I haven't seen that anywhere else.
What feedback would help most?
Boards it reads wrong. If a screenshot or a site gives you the wrong position, please send it to support@chess-revision.com or post it here. Every bad read helps me improve recognition.
Sites where the extension doesn't find the board or loses track of the game.
Whether the game review grades feel fair to you, especially Brilliant and Great.
What would make Premium worth it for you, or what stops you from trying it.