3 ms·

Also, database software gets so clever with storing games that they often can't save games that have illegal moves in them. But there are plenty real games from

• duskwuff 3y ago
  What's the proper notation for "while White closes his eyes to think about his next move, Black quietly moves one of his pawns over a square"? :)
• bjourne 3y ago
  That's a very good point. Similar issues affect file systems that has to store files with invalid filenames and parsers that have to gracefully handle invalid parse trees.
• LorenPechtel 3y ago
  Yeah, I was trying to send a chess puzzle to someone on Gameknot.com. White to mate in 1--except there was no black king. (The objective was to mate anyway--find the move that would mate the black king no matter where it was.) Their encoder created the king.
  • teo_zero 3y ago
    Do you perhaps mean that there was no white king?
    • LorenPechtel 3y ago
      No black king--in other words, you don't know where the black king is since it must exist. The puzzle was to find the move that would mate the king no matter what square it was in.