Thus far my comeback has gone better than expected. I have finished first (either jointly or on my own) in all three tournaments I have played in despite taking a half point bye in the first round of each of them. Out of the 12 games played there have been 10 wins and 2 draws with a rating performance that is around my previous peak in the mid 1990s.
Why does it seem to be going OK? For one thing I’ve been doing chess for around 20 hours a week despite not playing, either working with students or preparing material for Tiger Chess. When you teach something you learn a lot in the process, and during this time I’ve become much better at endgames and certain position types.
It’s harder of course if you do relatively little on chess, which I suspect has been the case with Garry Kasparov. He’s still a tremendous player but his other interests seem to have distracted him. And as recent events have shown he is not as good as he used to be: