News for hackers. Stuff that matters.
Re:Ask HN: A Good Alternative for ReCaptcha? by viceroyalbean on Friday May 31, 2019 @08:31AM (#20060251)
GazelleGames does that with game covers. Lichess has one where you need to find a checkmate in one move. It's usually pretty easy, but could in theory be frustrating for someone just starting with chess.

There are no comments on this comment yet.