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Work · August 5, 2011

MW

My weekend project - Chessboard picture recognition

Follow the discussion on YCombinator . I like to play chess. It is challenging, it requires strategic thinking and it is a great way to ...

My weekend project - Chessboard picture recognition launched on August 5, 2011 with 51 votes, #29 of 248 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 15 years on.

In plain words

This is a chess piece recognition project that uses image processing to identify chess pieces from photographs of a chessboard. The tool is designed for chess players who want to digitize physical games. It addresses the technical challenge of recognizing pieces from various angles and lighting conditions, with discussion around implementing neural networks for improved accuracy and preprocessing techniques to handle spatial distortion.

written from the facts on this page · September 2026

From the sources

Awesome! Congrats, this is a great first step!! The piece recognition seems to be complex indeed. How about some kind of neural network that you could feed many chess pieces pictures for the training, then use to recognize? Not sure if that would work ... or what folks are doing to solve this kind of issues nowadays, but that's what comes to mind from my CS background anyway :). You may need to pre-process the image before the neural network recognition though, since the angle makes things even more complex... can you guess the spatial / angle issue from the lines info? The chess rules also can help you (i.e. you can use them in combination with the neural network... you know there's no…from codebazaar.blogspot.com

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Launched alongside, August 2011

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