The 2014 Candidates Tournament is in the books, and as you probably know, Anand took 1st place! In so doing, he set up a rematch with Magnus Carlsen (currently scheduled for end of this year), the first World Championship rematch since Kasparov-Karpov in 1990.
He’s also the first ex-Champion to re-qualify via a Candidates Cycle (tournament or match format). There’ve been plenty of rematches in the past, but most were via an automatic rematch clause that most Champions enjoyed from the 1930s through the 1980s.
Also, since then, I’d say the chess world has generally advanced at a faster pace and so if you were Champion and then lost the title, it was probably a sign that your time was up rather more than it used to be in the 1950s, for example.
Anyway, sometime last summer, after seeing Anand beat Topalov in Norway, I became interested in figuring out how World Championship match opponents did against each following their match. I resurrected that old analysis and then added some stuff in for rematches. Here’s what I found …