Originally posted by Redmike
1. You don't know at the start of a game whether you'll be using books or databases for that particular game;
2. If you've checked the 'no books' box, are you prevented from reading any chess books for the duration of the game? Otherwise you might come across something relevant to the game in progress.
I think this is impractical.
you can DECIDE whether you'll be using them at the start of a game.
i'm talking about using aids to win a particular game.
but then again, re "coming across", the checkbox could be allowed to be marked anytime, since ratings are adjusted at the end of the game.