The Death Of The Berlin Defense
"You might not be able to fight like a samurai, but you can at least die like a samurai." -- Kill Bill, Vol. 1.
The Berlin Defense in the Ruy Lopez is a very peculiar opening.
Spectators hate it, most chess players hate it (count how many Berlins you'll see in the next tournament you are going to play!) and yet it remains the weapon of choice of the super elite.
Moreover, one of those GMs stated in an interview that the Berlin effectively neutralizes the 1.e4 move!
I think the explanation of this statement is simple: the shock of the Kasparov-Kramnik match is too fresh in everybody's memory! Otherwise I cannot explain this public madness of going straight into this endgame that requires a lot of theoretical knowledge in order to get a speck of an advantage.
I wrote this article exactly seven years ago and I'm still ready to reiterate what I said there: if Kasparov couldn't win one single game out of four in the world championship match (that implies a thorough preparation of his whole team with a computer's help), the chances are you won't win it either!
In that article I mentioned one of the ways to fight the Berlin. It looks like some of the top grandmasters decided to give it a try: