5 ms·

A chess program without castling, promotion, and en passant is incomplete. It is not chess, it is a work in process.

• johnklos 8y ago
  Let's see you do better ;)
  • xiaoxiae 8y ago
    I mean he is right, and it's even said in the article. It is an amazing piece of software, nobody's arguing against that, but it's not chess.