Nigel, why did Kasparov retire from chess?
He’s someone who is very intelligent … but you never know which mood he is going to be in.
Some days he will treat you like his long-lost brother. The next day he ignores you completely.
I have seen him totally drunk and singing Ukrainian poetry and then the next day I have seen him give an impressive talk.
For a while he was trying to learn Turkish. Don’t ask me why … Every day is a surprise with him.