Helpmate Analyzer
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Chess diagram recognition
Upload a chessboard image or paste it from the clipboard (Ctrl+V in most browsers).
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A recognized position is presented in the diagram editor. If a position is recognized incorrectly, you can correct it yourself.
Tips: You can use Snipping Tool to take a screenshot. For best results, include the border and crop close to it. To copy an image from a webpage, right-click the image and select "Copy Image" from the menu.
OCR - optical character recognition.
Chess OCR - a separate online tool for chess diagram recognition that is more accurate. NEW

Welcome to Helpmate Analyzer!

Helpmate Analyzer is a tool for chess composers and judges. In the Analyzer, you can specify the position and stipulation of a helpmate problem, and the program will analyze the problem and provide information on its thematic content, effects of departure / arrival of individual moves, and other features.

A helpmate is a type of chess problem in which both sides cooperate in order to achieve the goal of checkmating Black. Read more on Wikipedia.

See also

Chess problem databases

Books about helpmates (PDF)

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Examples of helpmates

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