Chess Captcha - A simple chess based captcha system written in php and javascript. 2.0.2

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lucius submitted a new resource:

Chess Captcha - A simple chess based captcha system written in php and javascript. - A simple chess based captcha system written in php and javascript.

ChessCaptcha.
This is a captcha system where the user either recreates the position of the pieces on the board - non chess savvy users - or she solves a mate-in-one puzzle by putting the piece on the square where it gives the checkmate - chess savvy users only. There is also a no-js fallback that exists mostly as a placeholder for future iterations; don't use it.

Usage.
Copy the position mode. - Default
In this mode which...

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